// ==UserScript==
// @name         MZ Player Values
// @namespace    http://tampermonkey.net/
// @version      0.42
// @description  Add Squad Value to some pages
// @author       z7z
// @license      MIT
// @grant        GM_addStyle
// @grant        GM_xmlhttpRequest
// @connect      self
// @match        https://www.managerzone.com/?p=players*
// @match        https://www.managerzone.com/?p=league*
// @match        https://www.managerzone.com/?p=cup&*
// @match        https://www.managerzone.com/?p=private_cup&*
// @match        https://www.managerzone.com/?p=friendlyseries&*
// @match        https://www.managerzone.com/?p=federations
// @match        https://www.managerzone.com/?p=federations&fid=*
// @match        https://www.managerzone.com/?p=federations&sub=clash*
// @match        https://www.managerzone.com/?p=match&sub=result&*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=managerzone.com
// @downloadURL none
// ==/UserScript==
(function () {
    "use strict";

    /* *********************** Styles ********************************** */

    const squadSummaryStyles = `
    table.squad-summary tbody td, table.squad-summary thead th {
        padding: 0.3em 0.5em;
    }
    `;

    const clashStyles = `
    .donut {
        width: 1.7em;
        height: 1.7em;
        margin-right: 5px;
        border-radius: 50%;
        text-align: center;
        font-size: 1.2em;
        padding: 3px;
        background-color: yellow;
        color: yellow;
    }

    .final-donut {
        border: rgb(213, 232, 44) solid 2px;
        color: inherit;
        padding:0;
    }

    .loading-donut {
        border-bottom-color: rgb(213, 232, 44);
        animation: 1.5s donut-spin infinite linear;
    }

    @keyframes donut-spin {
        to {
            transform: rotate(360deg);
        }
    }
    `;

    const tableMobileStyles = `
    @media only screen and (max-device-width: 1020px) {
        thead.responsive-show.mzp-responsive-show {
            display: table-header-group !important;
        }
        tbody tr.responsive-show.mzp-responsive-show {
          display: table-row !important;
      }
    }
    `;

    /* *********************** Utils ********************************** */

    function hasDuplicates(array) {
        return new Set(array).size !== array.length;
    }

    function getSportType(doc = document) {
        const zone = doc.querySelector("a#shortcut_link_thezone");
        if (zone) {
            return zone.href.indexOf("hockey") > -1 ? "hockey" : "soccer";
        }
        return "soccer";
    }

    function getCurrency(doc) {
        const players = doc.getElementById("playerAltViewTable")?.querySelectorAll("tbody tr");
        if (players && players.length > 0) {
            const parts = players[0].querySelector("td:nth-child(3)")?.innerText.split(" ");
            return parts[parts.length - 1];
        }
        return "";
    }

    function getNationalCurrency(doc) {
        // works for both domestic and foreign countries
        const playerNode = doc.getElementById("thePlayers_0")?.querySelector("table tbody tr:nth-child(6)");
        if (playerNode) {
            const parts = playerNode.innerText.split(" ");
            return parts[parts.length - 1];
        }
        return "";
    }

    function extractTeamId(link) {
        const regex = /tid=(\d+)/;
        const match = regex.exec(link);
        return match ? match[1] : null;
    }

    function extractPlayerID(link) {
        const regex = /pid=(\d+)/;
        const match = regex.exec(link);
        return match ? match[1] : null;
    }

    function formatBigNumber(n, sep = " ") {
        if (n) {
            const numberString = n.toString();
            let formattedParts = [];
            for (let i = numberString.length - 1; i >= 0; i -= 3) {
                let part = numberString.substring(Math.max(i - 2, 0), i + 1);
                formattedParts.unshift(part);
            }
            return formattedParts.join(sep);
        }
        return "0";
    }

    function formatAverageAge(age, fractionDigits = 1) {
        if (age) {
            return age.toFixed(fractionDigits);
        }
        return "0.0";
    }

    function getPlayers(doc, currency) {
        const playerNodes = doc.getElementById("playerAltViewTable")?.querySelectorAll("tr");
        if (!playerNodes) {
            return [];
        }

        const players = [];
        for (const playerNode of [...playerNodes]) {
            const age = playerNode.querySelector("td:nth-child(5)")?.innerText.replace(/\s/g, "");
            if (age) {
                const value = playerNode.querySelector("td:nth-child(3)")?.innerText.replaceAll(currency, "").replace(/\s/g, "");
                const shirtNumber = playerNode.querySelector("td:nth-child(0)")?.innerText.replace(/\s/g, "");
                const pid = playerNode.querySelector("a")?.href;
                players.push({
                    shirtNumber,
                    age: parseInt(age, 10),
                    value: parseInt(value, 10),
                    id: extractPlayerID(pid),
                });
            }
        }
        return players;
    }

    function getNumberOfFlags(infoTable) {
        const images = infoTable.getElementsByTagName("img");
        return images ? [...images].filter((img) => img.src.indexOf("/flags/") > -1).length : 0;
    }

    function isDomesticPlayer(infoTable) {
        return getNumberOfFlags(infoTable) === 1;
    }

    function getNationalPlayers(doc, currency) {
        const players = [];
        const playerNodes = doc.querySelectorAll("div.playerContainer");
        if (playerNodes) {
            for (const playerNode of [...playerNodes]) {
                const id = extractPlayerID(playerNode.querySelector("h2 a")?.href);
                const infoTable = playerNode.querySelector("div.dg_playerview_info table");
                const age = infoTable.querySelector("tbody tr:nth-child(1) td strong").innerText;
                const selector = isDomesticPlayer(infoTable) ? "tbody tr:nth-child(5) td span" : "tbody tr:nth-child(6) td span";
                const value = infoTable.querySelector(selector)?.innerText.replaceAll(currency, "").replace(/\s/g, "");
                players.push({
                    age: parseInt(age, 10),
                    value: parseInt(value, 10),
                    id,
                });
            }
        }
        return players;
    }

    function getNumberOfPlayers(players, ageLow = 0, ageHigh = 99) {
        return players.filter((player) => player.age <= ageHigh && player.age >= ageLow).length;
    }

    function filterPlayers(players, count = 0, ageLow = 0, ageHigh = 99) {
        if (players.length === 0) {
            return { values: 0, avgAge: 0.0 };
        }

        const n = count === 0 ? players.length : count;
        const filtered = players
        .filter((player) => player.age <= ageHigh && player.age >= ageLow)
        .sort((a, b) => b.value - a.value)
        .slice(0, n);
        if (filtered.length === 0) {
            return { values: 0, avgAge: 0.0 };
        }
        const values = filtered.map((player) => player.value).reduce((a, b) => a + b, 0);
        const avgAge = filtered.map((player) => player.age).reduce((a, b) => a + b, 0) / filtered.length;
        return { values, avgAge };
    }

    function displayOnModal(url) {
        const divContent = document.getElementById("squad-display-modal-content");

        const loading = document.createElement("p");
        divContent.replaceChildren(loading);
        loading.innerText = "loading...";
        loading.style.width = "fit-content";
        loading.style.textAlign = "center";
        loading.style.backgroundColor = "#fefefe";
        loading.style.padding = "0.5em";

        const modal = document.getElementById("squad-display-modal");
        modal.style.display = "flex";
        modal.style.alignItems = "center";
        modal.style.justifyContent = "center";

        GM_xmlhttpRequest({
            method: "GET",
            url,
            onload: function (resp) {
                const parser = new DOMParser();
                const doc = parser.parseFromString(resp.responseText, "text/html");
                const sport = getSportType(doc);
                const currency = getCurrency(doc);
                const players = getPlayers(doc, currency);
                const summary = squadGetSummaryInfo(players, currency, sport);
                const table = squadCreateSummaryTable(summary, currency, sport);
                table.classList.add("tablesorter", "hitlist", "marker", "hitlist-compact-list-included");
                table.style.width = "auto";
                table.align = "center";
                table.style.backgroundColor = "#fefefe";
                table.style.padding = "0.5em";

                const target = document.getElementById("squad-display-modal-content");
                target.replaceChildren(table);
            },
        });
    }

    function createModal() {
        const modal = document.createElement("div");
        document.body.appendChild(modal);

        modal.classList.add("powerbox");

        modal.style.display = "none";
        modal.style.position = "fixed";
        modal.style.zIndex = "1";
        modal.style.left = "0";
        modal.style.top = "0";
        modal.style.width = "100%";
        modal.style.height = "100%";
        modal.style.overflow = "auto";
        modal.style.backgroundColor = "rgba(0, 0, 0, 0.4)";
        modal.id = "squad-display-modal";
        modal.onclick = () => {
            modal.style.display = "none";
        };

        const modalContent = document.createElement("div");
        modal.appendChild(modalContent);
        modalContent.style.margin = "15% auto";
        modalContent.style.padding = "20px";

        const divContent = document.createElement("div");
        modalContent.appendChild(divContent);
        divContent.id = "squad-display-modal-content";
    }

    /* *********************** Squad Summary ********************************** */

    function squadGetSummaryInfo(players, currency = "USD", sport = "soccer") {
        const rows = [];
        if (players) {
            if (sport === "hockey") {
                {
                    const all = filterPlayers(players);
                    const top21 = filterPlayers(players, 21);
                    rows.push({
                        title: "All",
                        count: players.length,
                        all: all.values,
                        allAge: all.avgAge,
                        top21: top21.values,
                        top21Age: top21.avgAge,
                    });
                }
                {
                    const all = filterPlayers(players, 0, 0, 23);
                    const top21 = filterPlayers(players, 21, 0, 23);
                    rows.push({
                        title: "U23",
                        count: getNumberOfPlayers(players, 0, 23),
                        all: all.values,
                        allAge: all.avgAge,
                        top21: top21.values,
                        top21Age: top21.avgAge,
                    });
                }
                {
                    const all = filterPlayers(players, 0, 0, 21);
                    const top21 = filterPlayers(players, 21, 0, 21);
                    rows.push({
                        title: "U21",
                        count: getNumberOfPlayers(players, 0, 21),
                        all: all.values,
                        allAge: all.avgAge,
                        top21: top21.values,
                        top21Age: top21.avgAge,
                    });
                }
                {
                    const all = filterPlayers(players, 0, 0, 18);
                    const top21 = filterPlayers(players, 21, 0, 18);
                    rows.push({
                        title: "U18",
                        count: getNumberOfPlayers(players, 0, 18),
                        all: all.values,
                        allAge: all.avgAge,
                        top21: top21.values,
                        top21Age: top21.avgAge,
                    });
                }
            } else {
                {
                    const all = filterPlayers(players);
                    const top16 = filterPlayers(players, 16);
                    const top11 = filterPlayers(players, 11);
                    rows.push({
                        title: "All",
                        count: players.length,
                        all: all.values,
                        allAge: all.avgAge,
                        top16: top16.values,
                        top16Age: top16.avgAge,
                        top11: top11.values,
                        top11Age: top11.avgAge,
                    });
                }
                {
                    const all = filterPlayers(players, 0, 0, 23);
                    const top16 = filterPlayers(players, 16, 0, 23);
                    const top11 = filterPlayers(players, 11, 0, 23);
                    rows.push({
                        title: "U23",
                        count: getNumberOfPlayers(players, 0, 23),
                        all: all.values,
                        allAge: all.avgAge,
                        top16: top16.values,
                        top16Age: top16.avgAge,
                        top11: top11.values,
                        top11Age: top11.avgAge,
                    });
                }
                {
                    const all = filterPlayers(players, 0, 0, 21);
                    const top16 = filterPlayers(players, 16, 0, 21);
                    const top11 = filterPlayers(players, 11, 0, 21);
                    rows.push({
                        title: "U21",
                        count: getNumberOfPlayers(players, 0, 21),
                        all: all.values,
                        allAge: all.avgAge,
                        top16: top16.values,
                        top16Age: top16.avgAge,
                        top11: top11.values,
                        top11Age: top11.avgAge,
                    });
                }
                {
                    const all = filterPlayers(players, 0, 0, 18);
                    const top16 = filterPlayers(players, 16, 0, 18);
                    const top11 = filterPlayers(players, 11, 0, 18);
                    rows.push({
                        title: "U18",
                        count: getNumberOfPlayers(players, 0, 18),
                        all: all.values,
                        allAge: all.avgAge,
                        top16: top16.values,
                        top16Age: top16.avgAge,
                        top11: top11.values,
                        top11Age: top11.avgAge,
                    });
                }
            }
        }
        return rows;
    }

    function createCompactElement(title, value) {
        const dd = document.createElement("dd");
        dd.innerHTML = `<span class="listHeadColor">${title}</span><span class="clippable">${value}</span>`;
        return dd;
    }

    function createCompactSquadRow(row, currency = "USD", sport = "soccer") {
        const dl = document.createElement("dl");
        dl.classList.add("hitlist-compact-list", "columns");

        dl.appendChild(createCompactElement("Count", row.count));
        dl.appendChild(createCompactElement("Total", `${formatBigNumber(row.all)} ${currency}`));
        if (sport == "soccer") {
            dl.appendChild(createCompactElement("Top 16", `${formatBigNumber(row.top16)} ${currency}`));
            dl.appendChild(createCompactElement("Top 11", `${formatBigNumber(row.top11)} ${currency}`));
        } else {
            dl.appendChild(createCompactElement("Top 21", `${formatBigNumber(row.top21)} ${currency}`));
        }
        return dl;
    }

    function squadCreateSummaryTable(rows, currency = "USD", sport = "soccer") {
        const table = document.createElement("table");
        table.classList.add("squad-summary");

        const thead = document.createElement("thead");
        table.appendChild(thead);

        const tr = document.createElement("tr");
        thead.appendChild(tr);

        const titleHeader = document.createElement("th");
        tr.appendChild(titleHeader);
        titleHeader.classList.add("header");
        titleHeader.innerText = "Group";
        titleHeader.style.textAlign = "center";
        titleHeader.style.textDecoration = "none";

        const countHeader = document.createElement("th");
        tr.appendChild(countHeader);
        countHeader.classList.add("header");
        countHeader.innerText = "Count";
        countHeader.title = "Number of Players";
        countHeader.style.textAlign = "center";
        countHeader.style.textDecoration = "none";

        const totalHeader = document.createElement("th");
        tr.appendChild(totalHeader);
        totalHeader.classList.add("header");
        totalHeader.innerHTML = "Total";
        totalHeader.title = "Total Value of Players";
        totalHeader.style.textAlign = "center";
        totalHeader.style.textDecoration = "none";

        if (sport === "soccer") {
            const top16Header = document.createElement("th");
            tr.appendChild(top16Header);
            top16Header.classList.add("header");
            top16Header.innerHTML = "Top 16";
            top16Header.title = "Value of Top 16 Players";
            top16Header.style.textAlign = "center";
            top16Header.style.textDecoration = "none";

            const top11Header = document.createElement("th");
            tr.appendChild(top11Header);
            top11Header.classList.add("header");
            top11Header.innerHTML = "Top 11";
            top11Header.title = "Value of Top 11 Players";
            top11Header.style.textAlign = "center";
            top11Header.style.textDecoration = "none";
        } else {
            const top21Header = document.createElement("th");
            tr.appendChild(top21Header);
            top21Header.classList.add("header");
            top21Header.innerHTML = "Top 21";
            top21Header.title = "Value of Top 21 Players";
            top21Header.style.textAlign = "center";
            top21Header.style.textDecoration = "none";
        }

        const tbody = document.createElement("tbody");
        table.appendChild(tbody);

        for (const row of rows) {
            const tr = document.createElement("tr");
            tbody.appendChild(tr);

            const title = document.createElement("td");
            title.innerHTML = `${row.title}`;
            title.classList.add("hitlist-compact-list-column");
            tr.appendChild(title);
            const compact = createCompactSquadRow(row, currency, sport);
            title.appendChild(compact);

            const count = document.createElement("td");
            count.innerHTML = `${row.count}`;
            count.style.textAlign = "center";
            tr.appendChild(count);

            const all = document.createElement("td");
            all.innerText = `${formatBigNumber(row.all)} ${currency}`;
            all.style.textAlign = "end";
            tr.appendChild(all);

            if (sport === "soccer") {
                const top16 = document.createElement("td");
                top16.innerText = `${formatBigNumber(row.top16)} ${currency}`;
                top16.style.textAlign = "end";
                tr.appendChild(top16);

                const top11 = document.createElement("td");
                top11.innerText = `${formatBigNumber(row.top11)} ${currency}`;
                top11.style.textAlign = "end";
                tr.appendChild(top11);
            } else {
                const top21 = document.createElement("td");
                tr.appendChild(top21);
                top21.innerText = `${formatBigNumber(row.top21)} ${currency}`;
                top21.style.textAlign = "end";
            }
        }

        return table;
    }

    function squadInjectSummaryInfo() {
        const sport = getSportType(document);
        const currency = getCurrency(document);
        const players = getPlayers(document, currency);
        const summary = squadGetSummaryInfo(players, currency, sport);
        const table = squadCreateSummaryTable(summary, currency, sport);

        table.classList.add("tablesorter", "hitlist", "marker", "hitlist-compact-list-included");
        table.style.borderSpacing = 0;
        table.style.marginBottom = "10px";
        table.align = "center";

        const place = document.querySelector("table#playerAltViewTable");
        if (place) {
            place.parentNode?.insertBefore(table, place);
        }
    }

    function squadWaitAndInjectSummaryInfo(timeout = 16000) {
        const step = 500;
        const interval = setInterval(() => {
            const table = document.querySelector("table#playerAltViewTable");
            if (table) {
                clearInterval(interval);
                if (!table.SummaryInfoInjected) {
                    table.SummaryInfoInjected = true;
                    squadInjectSummaryInfo();
                }
            } else {
                timeout -= step;
                if (timeout < 0) {
                    clearInterval(interval);
                }
            }
        }, step);
    }

    function squadAddClickCallbackForSquadSummaryTab() {
        const summaryTab = document.querySelector(`a[href="#squad_summary"]`);
        if (summaryTab) {
            summaryTab.parentNode.onclick = squadWaitAndInjectSummaryInfo;
        }
    }

    /* *********************** Clash ********************************** */

    function getSquadSummaryLink(url) {
        const tid = extractTeamId(url);
        return `https://www.managerzone.com/?p=players&sub=alt&tid=${tid}`;
    }

    function getTopPlyers(doc) {
        const currency = getCurrency(doc);
        const players = getPlayers(doc, currency);
        const sport = getSportType(doc);
        const count = sport === "soccer" ? 11 : 21;
        return players ? filterPlayers(players, count).values : 0;
    }

    function calculateRankOfTeams(rows) {
        const finals = [];
        for (const row of rows) {
            if (!row.isMatchRow) {
                const team = row.querySelector("a.team-name");
                const url = getSquadSummaryLink(team.href);
                finals.push({
                    target: team,
                    row,
                    url,
                    values: 0,
                    done: false,
                    currency: "",
                    playedMatches: row.playedMatches,
                });
                GM_xmlhttpRequest({
                    method: "GET",
                    url,
                    context: finals,
                    onload: function (resp) {
                        const parser = new DOMParser();
                        const doc = parser.parseFromString(resp.responseText, "text/html");
                        const currency = getCurrency(doc);
                        const values = getTopPlyers(doc);
                        const fin = resp.context?.find((p) => resp.finalUrl === p.url);
                        if (fin) {
                            fin.values = values;
                            fin.done = true;
                            fin.currency = currency;
                        }
                    },
                });
            }
        }

        let timeout = 16000;
        const step = 500;
        let interval = setInterval(() => {
            if (finals.every((a) => a.done)) {
                clearInterval(interval);
                finals.sort((a, b) => b.values - a.values);
                let rank = 0;
                for (const team of finals) {
                    rank++;
                    team.row.className = rank % 2 ? "odd" : "even";
                    const target = team.row.querySelector("button.donut.rank");
                    if (target) {
                        target.classList.remove("loading-donut");
                        target.classList.add("final-donut");
                        target.innerText = `${rank}`;
                    }
                    const value = team.row.querySelector("td.value");
                    if (value) {
                        value.innerText = `${formatBigNumber(team.values, ",")} ${team.currency}`;
                    }
                }
                const newOrder = finals.map((t) => t.row);
                const newOrderWithPlayedMatches = [];
                for (const row of newOrder) {
                    newOrderWithPlayedMatches.push(row);
                    for (const playedMatch of row.playedMatches) {
                        playedMatch.className = row.className;
                        newOrderWithPlayedMatches.push(playedMatch);
                    }
                }
                const tbody = document.querySelector("div.panel-2 table tbody");
                tbody.replaceChildren(...newOrderWithPlayedMatches);
            } else {
                timeout -= step;
                if (timeout < 0) {
                    clearInterval(interval);
                    for (const team of finals) {
                        const target = team.row.querySelector("button.donut.rank");
                        target.classList.remove("loading-donut");
                        target.classList.add("final-donut");
                        target.innerText = `-`;

                        const value = team.row.querySelector("td.value");
                        value.innerText = `N/A`;
                    }
                }
            }
        }, step);
    }

    function addRankView(team, url = "") {
        const value = document.createElement("td");
        value.style.width = "max-content";
        value.innerText = "";
        value.classList.add("value");
        value.style.textAlign = "right";
        team.insertBefore(value, team.firstChild);

        const rank = document.createElement("td");
        rank.style.width = "max-content";
        team.insertBefore(rank, team.firstChild);
        const button = document.createElement("button");
        button.innerText = "_";
        button.classList.add("donut", "loading-donut", "rank", "fix-width");
        button.title = "Click to see squad summary";
        rank.appendChild(button);
        button.onclick = () => {
            displayOnModal(url);
        };
    }

    function injectToClashPage() {
        GM_addStyle(clashStyles);
        createModal();

        const table = document.querySelector("table.hitlist.challenges-list");

        const headers = table.querySelector("thead tr");
        // mobile view has not headers section
        if (headers) {
            const value = document.createElement("th");
            value.style.textAlign = "right";
            value.innerText = "Values";
            value.style.width = "15%";
            headers.insertBefore(value, headers.firstChild);

            const rank = document.createElement("th");
            rank.innerText = "Rank";
            rank.style.width = "5%";
            headers.insertBefore(rank, headers.firstChild);
        }

        const rows = table.querySelectorAll("tbody tr");
        for (const row of rows) {
            // in mobile view played challenges are also <tr> and for this rows, the team name is not a hyperlink
            const name = row.querySelector("a.team-name");
            if (name?.href) {
                const url = getSquadSummaryLink(name.href);
                addRankView(row, url);
                row.playedMatches = [];
                row.isMatchRow = false;
            } else {
                row.previousSibling.playedMatches?.push(row);
                const firstTd = row.querySelector("td");
                firstTd.colSpan = "3";
                row.isMatchRow = true;
            }
        }
        calculateRankOfTeams(rows);
    }

    /* *********************** Federation Page ********************************** */

    function fetchTopPlayers(context, tid) {
        const url = `https://www.managerzone.com/?p=players&sub=alt&tid=${tid}`;
        GM_xmlhttpRequest({
            method: "GET",
            url,
            context,
            onload: function (resp) {
                const parser = new DOMParser();
                const doc = parser.parseFromString(resp.responseText, "text/html");
                const team = resp.context.teams.find((t) => t.username === resp.context.username);
                team.currency = getCurrency(doc);
                team.values = getTopPlyers(doc);

                const name = document.createElement("div");
                name.style.color = "blue";
                name.style.width = "100%";
                name.style.marginTop = "0.5em";
                name.title = team.name;
                const teamName = team.name.length > 20 ? team.name.substring(0, 16) + " >>>" : team.name;
                name.innerHTML = `<span style="color:red;">Team: </span>${teamName}`;
                team.node.querySelector("td").appendChild(name);

                const value = document.createElement("div");
                value.style.color = "blue";
                value.style.width = "100%";
                value.style.marginTop = "0.5em";
                const count = resp.context.sport === "soccer" ? 11 : 21;
                value.innerHTML = `<span style="color:red;">Top${count}: </span>${formatBigNumber(team.values, ",")} ${team.currency}`;
                team.node.querySelector("td").appendChild(value);

                team.done = true;
            },
        });
    }

    async function fetchTeamValue(sport, teams, username) {
        const url = `https://www.managerzone.com/xml/manager_data.php?username=${username}`;
        GM_xmlhttpRequest({
            method: "GET",
            url: url,
            context: { sport, teams, username },
            onload: function (resp) {
                const parser = new DOMParser();
                const doc = parser.parseFromString(resp.responseText, "text/xml");
                const teamId = doc.querySelector(`Team[sport="${resp.context.sport}"]`).getAttribute("teamId");
                const name = doc.querySelector(`Team[sport="${resp.context.sport}"]`).getAttribute("teamName");
                resp.context.teams.find((t) => t.username === resp.context.username).name = name;
                fetchTopPlayers(resp.context, teamId);
            },
        });
    }

    function getUsername(node) {
        return node.querySelector("a").innerText;
    }

    function getTableHeader() {
        const thead = document.querySelector("#federation_clash_members_list thead td");
        return thead.innerText;
    }

    function setTableHeader(text) {
        const thead = document.querySelector("#federation_clash_members_list thead td");
        thead.innerText = text;
    }

    function sortFederationTeamsByTopPlayers() {
        const tbody = document.querySelector("#federation_clash_members_list tbody");
        const sport = getSportType();
        const teams = [];
        for (const child of tbody.children) {
            const username = getUsername(child);
            teams.push({
                node: child,
                username,
                name,
                teamId: "",
                values: 0,
                currency: "",
                done: false,
            });
            fetchTeamValue(sport, teams, username);
        }

        let timeout = 60000;
        const step = 500;
        const tableHeader = getTableHeader();
        let dots = 0;
        let interval = setInterval(() => {
            if (teams.every((t) => t.done)) {
                clearInterval(interval);
                teams.sort((a, b) => b.values - a.values);
                const newOrder = teams.map((t) => t.node);
                let rank = 0;
                for (const row of newOrder) {
                    rank++;
                    row.className = rank % 2 ? "odd" : "even";
                }
                tbody.replaceChildren(...newOrder);
                setTableHeader(tableHeader + " ▼");

                let totalValue = 0;
                for (const team of teams) {
                    totalValue += team.values;
                }

                const total = document.createElement("tr");
                total.style.color = "blue";
                total.style.width = "100%";
                total.style.marginTop = "3px";
                total.innerHTML = `<td><hr><span style="color:red;">Total: </span>${formatBigNumber(totalValue, ",")} ${teams[0].currency}</td>`;
                tbody.appendChild(total);
            } else {
                timeout -= step;
                setTableHeader(tableHeader + " " + ".".repeat(1 + (dots % 3)));
                dots++;
                if (timeout < 0) {
                    clearInterval(interval);
                    setTableHeader(tableHeader + " (failed)");
                }
            }
        }, step);
    }

    /* *********************** Match ********************************** */

    // ---------------- Top Players -------------

    function matchCreateSummaryTable(rows, currency = "USD", sport = "soccer") {
        const table = document.createElement("table");
        table.classList.add("squad-summary");

        const thead = document.createElement("thead");
        table.appendChild(thead);

        const tr = document.createElement("tr");
        thead.appendChild(tr);

        const titleHeader = document.createElement("th");
        tr.appendChild(titleHeader);
        titleHeader.classList.add("header");
        titleHeader.innerText = "Group";
        titleHeader.style.textAlign = "center";
        titleHeader.style.textDecoration = "none";

        if (sport === "soccer") {
            const top11Header = document.createElement("th");
            tr.appendChild(top11Header);
            top11Header.classList.add("header");
            top11Header.innerHTML = "Top 11";
            top11Header.title = "Value of Top 11 Players";
            top11Header.style.textAlign = "center";
            top11Header.style.textDecoration = "none";

            const ageHeader = document.createElement("th");
            tr.appendChild(ageHeader);
            ageHeader.classList.add("header");
            ageHeader.innerHTML = "Average Age";
            ageHeader.title = "Average Age of Top 11 Players";
            ageHeader.style.textAlign = "center";
            ageHeader.style.textDecoration = "none";
        } else {
            const top21Header = document.createElement("th");
            tr.appendChild(top21Header);
            top21Header.classList.add("header");
            top21Header.innerHTML = "Top 21";
            top21Header.title = "Value of Top 21 Players";
            top21Header.style.textAlign = "center";
            top21Header.style.textDecoration = "none";

            const ageHeader = document.createElement("th");
            tr.appendChild(ageHeader);
            ageHeader.classList.add("header");
            ageHeader.innerHTML = "Average Age";
            ageHeader.title = "Average Age of Top 21 Players";
            ageHeader.style.textAlign = "center";
            ageHeader.style.textDecoration = "none";
        }

        const tbody = document.createElement("tbody");
        table.appendChild(tbody);

        for (const row of rows) {
            const tr = document.createElement("tr");
            tbody.appendChild(tr);

            const title = document.createElement("td");
            title.innerHTML = `${row.title}`;
            title.classList.add("hitlist-compact-list-column");
            tr.appendChild(title);

            if (sport === "soccer") {
                const top11 = document.createElement("td");
                top11.innerText = `${formatBigNumber(row.top11)} ${currency}`;
                top11.style.textAlign = "end";
                tr.appendChild(top11);

                const age = document.createElement("td");
                age.innerText = `${formatAverageAge(row.top11Age)}`;
                age.style.textAlign = "center";
                tr.appendChild(age);
            } else {
                const top21 = document.createElement("td");
                tr.appendChild(top21);
                top21.innerText = `${formatBigNumber(row.top21)} ${currency}`;
                top21.style.textAlign = "end";

                const age = document.createElement("td");
                age.innerText = `${formatAverageAge(row.top21Age)}`;
                age.style.textAlign = "center";
                tr.appendChild(age);
            }
        }

        return table;
    }

    function matchInjectTopPlayersValues(players, team, currency, sport) {
        const summary = squadGetSummaryInfo(players, currency, sport);
        const table = matchCreateSummaryTable(summary, currency, sport);

        table.classList.add("tablesorter", "hitlist", "marker", "hitlist-compact-list-included");
        table.style.borderSpacing = 0;
        table.style.marginBottom = "10px";
        table.align = "center";
        table.style.marginTop = "2em";

        team.appendChild(table);
    }

    // ---------------- Lineup --------------------

    function matchGetLineupPlayers(teamNode, teamPlayers, sport) {
        const lineup = [];
        const teamPlayerIDs = teamPlayers.map((p) => p.id);
        const lineupPlayers = teamNode.querySelectorAll("tbody tr");

        for (const playerNode of lineupPlayers) {
            const pos = playerNode.querySelector("td:nth-child(2)");
            const order = Number(pos.querySelector("span").innerText);
            const pid = extractPlayerID(playerNode.querySelector("a").href);
            const playerInfo = {
                id: pid,
                order,
                exPlayer: !teamPlayerIDs.includes(pid),
                starting: sport === "hockey" || order < 12,
                value: teamPlayers.find((p) => p.id === pid)?.value ?? 0,
                age: teamPlayers.find((p) => p.id === pid)?.age,
            };

            const shirtNumber = playerNode.querySelector("td");
            if (playerInfo.starting) {
                shirtNumber.style.background = "lightgreen";
            }
            if (playerInfo.exPlayer) {
                shirtNumber.style.background = "#DD0000";
            }

            const value = document.createElement("td");
            value.innerText = `${playerInfo.value ? formatBigNumber(playerInfo.value, ",") : "N/A"}`;
            playerNode.appendChild(value);

            const age = document.createElement("td");
            age.innerText = `${playerInfo.age ?? "N/A"}`;
            playerNode.appendChild(age);

            lineup.push(playerInfo);
        }
        return lineup;
    }

    function matchInjectLineupValues(players, team, currency, sport) {
        const valueHeader = document.createElement("td");
        valueHeader.innerText = `Value`;
        valueHeader.title = `Player Value (in ${currency})`;
        team.querySelector("table thead tr:nth-child(2)").appendChild(valueHeader);
        team.querySelector("table tfoot tr td").colSpan += 1;

        const ageHeader = document.createElement("td");
        ageHeader.innerText = `Age`;
        ageHeader.title = `Player Age`;
        team.querySelector("table thead tr:nth-child(2)").appendChild(ageHeader);
        team.querySelector("table tfoot tr td").colSpan += 1;
        team.querySelector("table thead tr td").colSpan += 1;

        const lineupPlayers = matchGetLineupPlayers(team, players, sport).filter((player) => player.starting && !player.exPlayer);
        const value = lineupPlayers?.map((player) => player.value).reduce((a, b) => a + b, 0);
        let averageAge = lineupPlayers?.map((player) => player.age).reduce((a, b) => a + b, 0);
        if (averageAge) {
            averageAge /= lineupPlayers.length;
        }

        const div = document.createElement("div");
        div.innerHTML =
            `${sport === "soccer" ? "Starting " : ""}Lineup` +
            `<br>Value: <b>${formatBigNumber(value, ",")}</b> ${currency}` +
            `<br>Average Age: <b>${formatAverageAge(averageAge)}</b>` +
            `<br><br>Note: <span style="background:lightgreen">YYY</span>` +
            ` are ${sport === "soccer" ? "starting " : "current"} players and ` +
            `<span style="background:#DD0000">NNN</span> are ex-players.` +
            `<br>ex-player's value is N/A and not included in Lineup Value calculation.`;

        div.style.margin = "10px";
        div.style.padding = "5px";
        div.style.border = "2px solid green";
        div.style.borderRadius = "10px";
        const place = team.querySelector("table");
        team.insertBefore(div, place);
    }

    // ---------------- Top Players -------------

    function matchAddTopPlayersValueNational(team, sport) {
        const teamLink = team.querySelector("a").href;
        const tid = extractTeamId(teamLink);
        const url = `https://www.managerzone.com/ajax.php?p=nationalTeams&sub=players&ntid=${tid}&sport=${sport}`;
        GM_xmlhttpRequest({
            method: "GET",
            url,
            context: { team, sport },
            onload: function (resp) {
                const parser = new DOMParser();
                const doc = parser.parseFromString(resp.responseText, "text/html");
                const currency = getNationalCurrency(doc);
                const players = getNationalPlayers(doc, currency);
                const team = resp.context.team;
                const sport = resp.context.sport;

                matchInjectTopPlayersValues(players, team, currency, sport);
            },
        });
    }

    function matchAddTopPlayersValue(team, sport) {
        const teamLink = team.querySelector("a").href;
        const tid = extractTeamId(teamLink);
        const url = `https://www.managerzone.com/?p=players&sub=alt&tid=${tid}`;
        GM_xmlhttpRequest({
            method: "GET",
            url,
            context: { team, sport },
            onload: function (resp) {
                if (resp.finalUrl.search("p=national_teams") > -1) {
                    matchAddTopPlayersValueNational(resp.context.team, resp.context.sport);
                } else {
                    const parser = new DOMParser();
                    const doc = parser.parseFromString(resp.responseText, "text/html");
                    const currency = getCurrency(doc);
                    const players = getPlayers(doc, currency);
                    const team = resp.context.team;
                    const sport = resp.context.sport;

                    matchInjectTopPlayersValues(players, team, currency, sport);
                }
            },
        });
    }

    // ------------ Lineup -----------------------

    function matchAddLineupValuesNational(team, sport) {
        const teamLink = team.querySelector("a").href;
        const tid = extractTeamId(teamLink);
        const url = `https://www.managerzone.com/ajax.php?p=nationalTeams&sub=players&ntid=${tid}&sport=${sport}`;
        GM_xmlhttpRequest({
            method: "GET",
            url,
            context: { team, sport },
            onload: function (resp) {
                const parser = new DOMParser();
                const doc = parser.parseFromString(resp.responseText, "text/html");
                const currency = getNationalCurrency(doc);
                const players = getNationalPlayers(doc, currency);
                const team = resp.context.team;
                const sport = resp.context.sport;
                matchInjectLineupValues(players, team, currency, sport);
            },
        });
    }

    function matchAddLineupValues(team, sport) {
        const teamLink = team.querySelector("a").href;
        const tid = extractTeamId(teamLink);
        const url = `https://www.managerzone.com/?p=players&sub=alt&tid=${tid}`;
        GM_xmlhttpRequest({
            method: "GET",
            url,
            context: { team, sport },
            onload: function (resp) {
                if (resp.finalUrl.search("p=national_teams") > -1) {
                    matchAddLineupValuesNational(resp.context.team, resp.context.sport);
                } else {
                    const parser = new DOMParser();
                    const doc = parser.parseFromString(resp.responseText, "text/html");
                    const currency = getCurrency(doc);
                    const players = getPlayers(doc, currency);
                    const team = resp.context.team;
                    const sport = resp.context.sport;
                    matchInjectLineupValues(players, team, currency, sport);
                }
            },
        });
    }

    function matchInjectTeamValues() {
        const sport = getSportType();
        const teams = document.querySelectorAll("div.team-table");
        for (const team of teams) {
            if (team.querySelector("table")) {
                matchAddLineupValues(team, sport);
            } else {
                matchAddTopPlayersValue(team, sport);
            }
        }
    }

    /* *********************** League ********************************** */

    function tableGetAgeLimit(url) {
        if (url.search("type=u23") > -1) {
            return 23;
        } else if (url.search("type=u21") > -1) {
            return 21;
        } else if (url.search("type=u18") > -1) {
            return 18;
        }
        return 99;
    }

    function tableGetValeTitle(sport = "soccer", age = 99) {
        const count = sport === "soccer" ? 11 : 21;
        if ([18, 21, 23].includes(age)) {
            return `Top ${count} - U${age}`;
        }
        return `Top ${count} - All`;
    }

    function tableGetAgeClass(age = 99) {
        if ([18, 21, 23].includes(age)) {
            return `values-u${age}`;
        }
        return "values-all";
    }

    function tableGetNextAge(age = 99) {
        if (age === 99) {
            return 23;
        } else if (age === 23) {
            return 21;
        } else if (age === 21) {
            return 18;
        }
        return 99;
    }

    function tableDisplayAgeInfo(team, ageLimit) {
        const target = team ?? document;
        target.querySelectorAll("td.mzp-injected span")?.forEach((el) => {
            el.style.display = "none";
        });
        const ageClass = tableGetAgeClass(ageLimit);
        target.querySelectorAll("td.mzp-injected span." + ageClass)?.forEach((el) => {
            el.style.display = "unset";
        });
    }

    function tableGetSquadSummaryUrl(team) {
        const teamLink = team.querySelector("td:nth-child(2) a:last-child")?.href;
        const tid = extractTeamId(teamLink);
        return `https://www.managerzone.com/?p=players&sub=alt&tid=${tid}`;
    }

    function tableModifyTeamInBodyForPcView(team, url) {
        const teamValue = document.createElement("td");
        team.appendChild(teamValue);
        const ageValue = document.createElement("td");
        team.appendChild(ageValue);

        teamValue.innerText = "loading...";
        teamValue.classList.add("mzp-injected", "team-value");
        teamValue.title = "Click to see squad summary";
        teamValue.style.textAlign = "center";
        teamValue.style.whiteSpace = "nowrap";
        teamValue.style.padding = "auto 3px";
        teamValue.onclick = () => {
            displayOnModal(url);
        };

        ageValue.classList.add("mzp-injected", "age-value");
        ageValue.innerText = "...";
        ageValue.style.textAlign = "center";
        ageValue.style.whiteSpace = "nowrap";
        ageValue.style.padding = "auto 3px";
    }

    function tableAddTeamToBodyForMobileView(team, url) {
        const firstRow = team.cloneNode(true);
        team.parentNode.insertBefore(firstRow, team.nextSibling);

        const secondRow = document.createElement("tr");
        firstRow.parentNode.insertBefore(secondRow, firstRow.nextSibling);
        const value = document.createElement("td");
        const age = document.createElement("td");
        secondRow.appendChild(value);
        secondRow.appendChild(age);

        firstRow.children[0].rowSpan = "2";
        firstRow.children[1].rowSpan = "2";

        firstRow.classList.add("responsive-show", "mzp-responsive-show");
        secondRow.classList.add("responsive-show", "mzp-responsive-show");

        value.colSpan = "6";
        value.innerText = "loading...";
        value.classList.add("mzp-injected", "team-value");
        value.title = "Click to see squad summary";
        value.style.textAlign = "center";
        value.style.whiteSpace = "nowrap";
        value.style.padding = "auto 3px";
        value.style.backgroundColor = "aquamarine";
        value.onclick = () => {
            displayOnModal(url);
        };

        age.colSpan = "2";
        age.classList.add("mzp-injected", "age-value");
        age.innerText = "...";
        age.style.textAlign = "center";
        age.style.whiteSpace = "nowrap";
        age.style.padding = "auto 3px";
        age.style.backgroundColor = "aqua";

        // modify borders to match the original view
        firstRow.style.borderBottom = "inherit";
        secondRow.style.borderBottom = team.style.borderBottom;

        return secondRow;
    }

    function tableAddTeamTopPlayersInfo(team, ageLimit, sport) {
        const url = tableGetSquadSummaryUrl(team);

        // for mobile
        const mobileView = tableAddTeamToBodyForMobileView(team, url);

        // for PC
        team.classList.add("responsive-hide");
        tableModifyTeamInBodyForPcView(team, url);

        GM_xmlhttpRequest({
            method: "GET",
            url,
            context: { team, mobileView, sport, ageLimit },
            onload: function (resp) {
                const parser = new DOMParser();
                const doc = parser.parseFromString(resp.responseText, "text/html");
                const currency = getCurrency(doc);
                const players = getPlayers(doc, currency);

                const pcView = resp.context.team;
                const mobileView = resp.context.mobileView;
                const sport = resp.context.sport;
                const ageLimit = resp.context.ageLimit;

                const playersOfSport = sport === "soccer" ? 11 : 21;

                const all = filterPlayers(players, playersOfSport, 0, 99);
                const u23 = filterPlayers(players, playersOfSport, 0, 23);
                const u21 = filterPlayers(players, playersOfSport, 0, 21);
                const u18 = filterPlayers(players, playersOfSport, 0, 18);

                for (const team of [pcView, mobileView]) {
                    const valueElement = team.querySelector("td.team-value");
                    // prettier-ignore
                    valueElement.innerHTML =
                        `<span class="values-all" style="display:none">${formatBigNumber(all?.values)} ${currency}</span>` +
                        `<span class="values-u23" style="display:none">${formatBigNumber(u23?.values)} ${currency}</span>` +
                        `<span class="values-u21" style="display:none">${formatBigNumber(u21?.values)} ${currency}</span>` +
                        `<span class="values-u18" style="display:none">${formatBigNumber(u18?.values)} ${currency}</span>`;
                    valueElement.style.textAlign = "right";

                    const ageElement = team.querySelector("td.age-value");
                    // prettier-ignore
                    ageElement.innerHTML =
                        `<span class="values-all" style="display:none;">${formatAverageAge(all?.avgAge)}</span>` +
                        `<span class="values-u23" style="display:none;">${formatAverageAge(u23?.avgAge)}</span>` +
                        `<span class="values-u21" style="display:none;">${formatAverageAge(u21?.avgAge)}</span>` +
                        `<span class="values-u18" style="display:none;">${formatAverageAge(u18?.avgAge)}</span>`;

                    tableDisplayAgeInfo(team, ageLimit);
                }
            },
        });
    }

    function tableDisplayNextAgeInfo() {
        const headers = document.querySelectorAll("th.team-value-header");
        let changed = false;
        for (const header of headers) {
            header.age = tableGetNextAge(header.age);
            header.innerText = tableGetValeTitle(header.sport, header.age);
            if (!changed) {
                changed = true;
                tableDisplayAgeInfo(null, header.age);
            }
        }
    }

    function tableModifyHeaderForPcView(header, sport = "soccer", ageLimit = 99) {
        const firstRow = header.querySelector("tr");
        const value = document.createElement("th");
        firstRow.appendChild(value);
        const age = document.createElement("th");
        firstRow.appendChild(age);

        value.classList.add("responsive-hide", "team-value-header");
        value.style.textAlign = "center";
        value.innerText = tableGetValeTitle(sport, ageLimit);
        value.title = "Click to see other age limits";
        value.age = ageLimit;
        value.sport = sport;
        value.onclick = tableDisplayNextAgeInfo;

        age.classList.add("responsive-hide");
        age.style.textAlign = "center";
        age.innerText = `Age`;
        age.title = "Average Age Of the Top Players";
    }

    function tableAddHeaderForMobileView(mainHeader, sport = "soccer", ageLimit = 99) {
        const mobileHeader = mainHeader.cloneNode(true);
        mainHeader.parentNode.insertBefore(mobileHeader, mainHeader.nextSibling);
        const secondRow = document.createElement("tr");
        mobileHeader.appendChild(secondRow);
        const value = document.createElement("th");
        const age = document.createElement("th");
        secondRow.appendChild(value);
        secondRow.appendChild(age);

        mobileHeader.classList.add("responsive-show", "mzp-responsive-show");

        const firstRow = mobileHeader.querySelector("tr");
        firstRow.children[0].rowSpan = "2";
        firstRow.children[1].rowSpan = "2";

        value.classList.add("team-value-header");
        value.colSpan = "6";
        value.style.textAlign = "center";
        value.innerText = tableGetValeTitle(sport, ageLimit);
        value.title = "Click to see other age limits";
        value.age = ageLimit;
        value.sport = sport;
        value.onclick = tableDisplayNextAgeInfo;
        value.style.backgroundColor = "aquamarine";

        age.colSpan = "2";
        age.style.textAlign = "center";
        age.innerText = `Age`;
        age.title = "Average Age Of the Top Players";
        age.style.backgroundColor = "aqua";
    }

    function tableAddTopPlayersInfo(table) {
        GM_addStyle(tableMobileStyles);
        createModal();
        const ageLimit = tableGetAgeLimit(document.baseURI);
        const sport = getSportType(document);
        const mainHeader = table.querySelector("thead");

        // for mobile
        tableAddHeaderForMobileView(mainHeader, sport, ageLimit);

        // for PC
        mainHeader.classList.add("responsive-hide");
        tableModifyHeaderForPcView(mainHeader, sport, ageLimit);

        const teams = table.querySelectorAll("tbody tr");
        for (const team of teams) {
            tableAddTeamTopPlayersInfo(team, ageLimit, sport);
        }
    }

    function tableWaitAndInjectTopPlayersInfo(timeout = 16000) {
        const step = 500;
        const interval = setInterval(() => {
            const table = document.querySelector("table.nice_table");
            if (table) {
                clearInterval(interval);
                if (!table.TopPlayersInfoInjected) {
                    table.TopPlayersInfoInjected = true;
                    tableAddTopPlayersInfo(table);
                }
            } else {
                timeout -= step;
                if (timeout < 0) {
                    clearInterval(interval);
                }
            }
        }, step);
    }

    function tableInjectTopPlayersToOfficialLeague() {
        // default sub-page (or tab) for leagues is Table. so try to inject team value after table is loaded
        tableWaitAndInjectTopPlayersInfo();

        // also add 'onclick' handler to Table tab
        const links = document.getElementsByTagName("a");
        for (const link of links) {
            if (["p=league", "sub=table"].every((text) => link.href.indexOf(text) > -1)) {
                link.onclick = tableWaitAndInjectTopPlayersInfo;
            }
        }
    }

    function tableInjectTopPlayersInfoToFriendlyLeague() {
        const links = document.getElementsByTagName("a");
        for (const link of links) {
            if (["p=friendlySeries", "sub=standings"].every((text) => link.href.indexOf(text) > -1)) {
                link.onclick = tableWaitAndInjectTopPlayersInfo;
            }
        }
    }

    function tableInjectTopPlayersInfoToCup() {
        const links = document.getElementsByTagName("a");
        for (const link of links) {
            if (["p=cups", "sub=groupplay"].every((text) => link.href.indexOf(text) > -1)) {
                link.onclick = tableWaitAndInjectTopPlayersInfo;
            }
        }
    }

    /* *********************** Schedule ********************************** */

    function tableClearAllColorings(teams) {
        teams.forEach((team) => {
            team.style.backgroundColor = team.originalColor;
        });
    }

    function tableResultColors(result) {
        if (result.length < 2) {
            return ["cyan", "cyan"];
        }
        if (result[0] === "X") {
            return ["cyan", "cyan"];
        }
        if (result[0] < result[1]) {
            return ["orangered", "lime"];
        } else if (result[0] > result[1]) {
            return ["lime", "orangered"];
        }
        return ["yellow", "yellow"];
    }

    function tableColorizeThisTeam(teams, selected) {
        teams.forEach((team) => {
            if (team.innerText === selected) {
                const tr = team.parentNode;
                const opponents = tr.querySelectorAll("td:nth-child(odd)");
                const result = tr.querySelector("td:nth-child(2)").innerText.split(" - ");
                const colors = tableResultColors(result);
                if (opponents[0].innerText === selected) {
                    opponents[0].style.setProperty("background-color", colors[0], "important");
                }
                if (opponents[1].innerText === selected) {
                    opponents[1].style.setProperty("background-color", colors[1], "important");
                }
            }
        });
    }

    function tableInjectColoring(tab) {
        let selected = "";
        const teams = tab.querySelectorAll("div.mainContent td:nth-child(odd)");
        for (const team of teams) {
            team.originalColor = team.style.backgroundColor;
            team.onclick = null;
            team.addEventListener("click", function (evt) {
                if (selected && selected !== this.innerText) {
                    // new team is selected
                    tableClearAllColorings(teams);
                    selected = "";
                }
                if (selected === this.innerText) {
                    // de-colorize
                    selected = "";
                    tableClearAllColorings(teams);
                } else {
                    // colorize
                    selected = this.innerText;
                    tableColorizeThisTeam(teams, selected);
                }
            });
        }
    }

    function tableHasDuplicateName(round) {
        const teams = round.querySelectorAll("td:nth-child(odd)");
        const names = [...teams].map((t) => t.innerText);
        return hasDuplicates(names);
    }

    function tableWaitAndInjectScheduleColoring(timeout = 16000) {
        const step = 500;
        const interval = setInterval(() => {
            const firstRound = document.querySelector("div[aria-labelledby='league_tab_schedule'] div.mainContent");
            if (firstRound) {
                const schedule = firstRound.parentNode;
                if (tableHasDuplicateName(firstRound)) {
                    const note = document.createElement("p");
                    note.innerHTML = `<b style="color: red;">Note: </b><span>Some teams have similar names. Coloring will not work as expected.</span>`;
                    note.style.fontSize = "1.2em";
                    schedule.insertBefore(note, schedule.firstChild);
                }
                clearInterval(interval);
                tableInjectColoring(schedule);
            } else {
                timeout -= step;
                if (timeout < 0) {
                    clearInterval(interval);
                }
            }
        }, step);
    }

    function tableInjectScheduleColoringToOfficialLeague() {
        const link = document.getElementById("league_tab_schedule");
        if (link) {
            const tab = link.parentNode;
            if (!tab.coloringInjected) {
                tab.coloringInjected = true;
                tab.onclick = tableWaitAndInjectScheduleColoring;
            }
        }
    }

    /* *********************** Inject ********************************** */

    function isCupPage(uri) {
        return document.baseURI.search("/?p=cup&") > -1 || document.baseURI.search("/?p=private_cup&") > -1;
    }

    function inject() {
        GM_addStyle(squadSummaryStyles);
        const uri = document.baseURI;
        const url = document.URL;
        if (uri.search("/?p=federations") > -1) {
            if (uri.search("&sub=clash") > -1) {
                injectToClashPage();
            } else if (uri.search("&fid=") > -1 || url.endsWith("p=federations")) {
                sortFederationTeamsByTopPlayers();
            } else if (url.search("p=federations#fid=") > -1) {
                // redirect
                window.location.href = url.replace("#", "&");
            }
        } else if (uri.search("/?p=players") > -1) {
            if (uri.search("/?p=players&sub=alt") > -1) {
                squadInjectSummaryInfo();
            } else {
                squadAddClickCallbackForSquadSummaryTab();
            }
        } else if (uri.search("mid=") > -1) {
            matchInjectTeamValues();
        } else if (uri.search("/?p=league") > -1) {
            tableInjectTopPlayersToOfficialLeague();
            tableInjectScheduleColoringToOfficialLeague();
        } else if (uri.search("/?p=friendlyseries") > -1) {
            tableInjectTopPlayersInfoToFriendlyLeague();
        } else if (isCupPage(uri)) {
            tableInjectTopPlayersInfoToCup();
        }
    }

    if (document.readyState === "loading") {
        // Loading hasn't finished yet
        document.addEventListener("DOMContentLoaded", inject);
    } else {
        // `DOMContentLoaded` has already fired
        inject();
    }
})();