// ==UserScript==
// @name         Namu Hot Now
// @name:ko      나무위키 실검 알려주는 스크립트
// @namespace    https://arca.live/b/namuhotnow
// @version      0.6
// @description  이게 왜 실검?
// @author       KEMOMIMI
// @match        https://namu.wiki/*
// @match        https://arca.live/
// @match        https://arca.live/e/*
// @match        https://arca.live/u/*
// @match        https://arca.live/settings/*
// @connect      arca.live
// @icon         https://www.google.com/s2/favicons?sz=64&domain=namu.wiki
// @grant        GM_xmlhttpRequest
// @downloadURL none
// ==/UserScript==

function findLinkByPartialMatch(pairs, searchString) {
    for (var i = 0; i < pairs.length; i++) {
        if (pairs[i].text.toLowerCase() === searchString.toLowerCase()) {
            return pairs[i].link;
        }
    }
    return null;
}

function getSpansContent() {
    var spansContent = [];
    var spans = document.querySelectorAll('#app ol span');
    spans.forEach(function(span) {
        spansContent.push(span.textContent);
    });
    return spansContent;
}

const targetURL = 'https://arca.live/b/namuhotnow';
var linkElements = [];
var pairs = [];
var previousSpansContent = getSpansContent();
var storedElements = [];

function removeLinkElements() {
    for (var i = 0; i < linkElements.length; i++) {
        var linkElement = linkElements[i];
        linkElement.parentNode.removeChild(linkElement);
    }
    linkElements = [];
}

function checkMobileHotkeword(){
    var chk = setInterval(function() {

        const appElement = document.querySelector('#app form div > div');
        if (!appElement) {
            var whyHotElements = document.querySelectorAll('.whyHot');
            whyHotElements.forEach(function(element) {

                element.remove();
            });
            const elementsWithParentClass = document.querySelectorAll('.namuHotParentClass');
            elementsWithParentClass.forEach(parentElement => {
                const childAElement = parentElement.querySelector('a');
                if (childAElement) {
                    parentElement.parentNode.insertBefore(childAElement, parentElement.nextSibling);
                    parentElement.remove();
                }
            });
        }else{
            if (document.querySelector('#app form div>div').textContent.trim() === '실시간 검색어') {
                const elementsWithParentClass = document.querySelectorAll('.namuHotParentClass');
                let count = 0;
                elementsWithParentClass.forEach(parentElement => {
                    const childAnchorElements = parentElement.querySelectorAll('a');
                    childAnchorElements.forEach(anchorElement => {
                        if (anchorElement.getAttribute('href') === '#') {
                            count++;
                        }
                    });
                });

                if (count == 0) {
                    const elementsWithParentClass = document.querySelectorAll('.namuHotParentClass');
                    elementsWithParentClass.forEach(function(element) {
                        element.remove();
                    });
                }
                if (elementsWithParentClass.length == 0) {
                    clearInterval(chk);
                    refreshLink(2);
                }
            }
        }
    }, 100);


}
function refreshLink(type) {
    GM_xmlhttpRequest({
        method: 'GET',
        url: targetURL,
        onload: function(response) {
            const htmlData = response.responseText;
            const parser = new DOMParser();
            const doc = parser.parseFromString(htmlData, 'text/html');
            var elements = doc.querySelectorAll('.article-list .list-table a:not(.notice)');
            storedElements = Array.from(elements);
            elements.forEach(function(element) {
                var link = element.getAttribute('href');
                var titleElement = element.querySelector('.title');
                var text = titleElement ? titleElement.innerText.trim() : '';
                pairs.push({text: text, link: link});
                if (text.includes(',')) {
                    var textArray = text.split(',').map(function(item) {
                        return item.trim();
                    });

                    textArray.forEach(function(subText) {
                        pairs.push({ text: subText, link: link });
                    });
                }
                if (text.includes(' ')) {
                    textArray = text.split(' ').map(function(item) {
                        return item.trim();
                    });

                    textArray.forEach(function(subText) {
                        pairs.push({ text: subText, link: link });
                    });
                }
                if (text.includes('(')) {
                    var removeParenthesis = text.replace(/\s*\([^)]*\)$/, '');
                    pairs.push({ text: removeParenthesis.trim(), link: link });
                }
            });
            if(type == 0){
                previousSpansContent = getSpansContent();
                var spans = document.querySelectorAll('#app span');
                spans.forEach(function (span) {
                    if (span.textContent.includes('실시간 검색어')) {
                        var parentDiv = span.parentElement.parentElement;
                        var realtimeList = parentDiv.querySelectorAll('li');
                        realtimeList.forEach(function(element) {

                            var titleElement = element.querySelector('span');
                            var resultLink = findLinkByPartialMatch(pairs, titleElement.innerText.trim());
                            if (resultLink != null){
                                var linkElement = document.createElement('a');
                                linkElement.href = 'https://arca.live' + resultLink;
                                linkElement.textContent = '이왜실?';
                                linkElement.display = 'flex'
                                linkElement.width = '40%'
                                linkElement.target="_blank"
                                element.querySelector('a').style.width = "60%";
                                element.appendChild(linkElement);
                                linkElements.push(linkElement);
                            }
                        });
                    }
                });
            }else if(type == 1){
                var firstLinkList = document.querySelector('aside .link-list');
                var arcalinkElements = firstLinkList.querySelectorAll('a');
                var titleArray = [];
                arcalinkElements.forEach(function(aLinkElement) {

                    var resultLink = findLinkByPartialMatch(pairs, aLinkElement.getAttribute('title'));

                    if(resultLink != null){
                        aLinkElement.style.paddingRight = "1em";
                        var newSpanHTML = `
<div style="padding:.15rem .5rem .15rem 0; user-select: auto;">
<span class="leaf-info float-right" title="${aLinkElement.getAttribute('title')} 왜 실검?" style="margin:0; user-select: auto;"><time style="user-select: auto;"><a href="${resultLink}" target="_blank" style="font-size: 1em; padding-Right: 0; user-select: auto;">이왜실?</a></time></span>
<a href="//namu.wiki/Go?q=${aLinkElement.getAttribute('title')}" target="_blank" title="${aLinkElement.getAttribute('title')}" style="padding:.15rem 1.5rem .15rem 0; user-select: auto;">${aLinkElement.getAttribute('title')}</a>
</div>
`;
                        aLinkElement.insertAdjacentHTML('beforebegin', newSpanHTML);
                        aLinkElement.remove()

                    }
                });
            }else if(type == 2){
                var namuHotParentClass = document.querySelectorAll('.namuHotParentClass');
                if (!namuHotParentClass[0]) {
                    var realtimeMobile = document.querySelector('#app form div>div');
                    var mobileParentDiv = realtimeMobile.parentElement;
                    var mobileList = mobileParentDiv.querySelectorAll('a');

                    mobileList.forEach(function(element) {
                        var resultLink = findLinkByPartialMatch(pairs, element.innerText.trim());
                        var newParent = document.createElement('span');
                        newParent.classList.add('namuHotParentClass');

                        if (resultLink != null){

                            var linkElement = document.createElement('a');
                            linkElement.href = 'https://arca.live' + resultLink;
                            linkElement.textContent = '이왜실?';
                            linkElement.width = '20px'
                            linkElement.target="_blank"
                            linkElement.classList.add('whyHot');
                            element.style.width = "70%";

                            var beforePseudoElement = window.getComputedStyle(element, ':before');
                            element.parentNode.insertBefore(newParent, element);
                            newParent.appendChild(element);
                            newParent.appendChild(linkElement);
                            newParent.style.display = 'flex';
                            linkElements.push(linkElement);
                        }else{
                            element.parentNode.insertBefore(newParent, element);
                            newParent.appendChild(element);
                            element.style.width = "100%";
                            newParent.style.display = 'flex';
                        }
                    });
                    checkMobileHotkeword();
                }
            }

        }
    });
}


function spansContentChanged(arr1, arr2) {
    return arr1.join() !== arr2.join();
}

function hasAsideTag() {
    var asideElement = document.querySelector('aside');
    return asideElement !== null;
}


function appendStyle(){
    var style = document.createElement('style');
    var css = `
.namuHotParentClass:nth-of-type(1) > a:nth-child(1):before {
    content: "1." !important;
}
.namuHotParentClass:nth-of-type(2) > a:nth-child(1):before {
    content: "2." !important;
}
.namuHotParentClass:nth-of-type(3) > a:nth-child(1):before {
    content: "3." !important;
}
.namuHotParentClass:nth-of-type(4) > a:nth-child(1):before {
    content: "4." !important;
}
.namuHotParentClass:nth-of-type(5) > a:nth-child(1):before {
    content: "5." !important;
}
.namuHotParentClass:nth-of-type(6) > a:nth-child(1):before {
    content: "6." !important;
}
.namuHotParentClass:nth-of-type(7) > a:nth-child(1):before {
    content: "7." !important;
}
.namuHotParentClass:nth-of-type(8) > a:nth-child(1):before {
    content: "8." !important;
}
.namuHotParentClass:nth-of-type(9) > a:nth-child(1):before {
    content: "9." !important;
}
.namuHotParentClass:nth-of-type(10) > a:nth-child(1):before {
    content: "10." !important;
}
.whyHot {
    align-items: center;
    border: 1px solid transparent;
    border-radius: var(--nav-bar-child-radius-var);
    display: flex;
    padding: var(--search-box-suggest-item-gutter-y-var) var(--search-box-suggest-item-gutter-x-var);
    text-decoration: none;
    word-break: break-all;
}
`;
    style.appendChild(document.createTextNode(css));
    document.head.appendChild(style);
}

if (window.location.href.includes('namu.wiki')) {
    if(hasAsideTag()){
        refreshLink(0);

        setInterval(function() {
            var currentSpansContent = getSpansContent();
            if (spansContentChanged(previousSpansContent, currentSpansContent)) {
                removeLinkElements();
                refreshLink(0);
            }
        }, 1000);
    }else{
        var interNamuMobile = setInterval(function() {
            var firstLinkLista = document.querySelector('#app form div > div');
            if (firstLinkLista) {
                if (firstLinkLista.textContent.trim() === '실시간 검색어') {
                    clearInterval(interNamuMobile);
                    appendStyle();
                    refreshLink(2);
                }
            }
        }, 50);
    }
}



if (window.location.href.includes('arca.live')) {
    var intervalId = setInterval(function() {
        var firstLinkLista = document.querySelector('aside .link-list a');
        if (firstLinkLista && firstLinkLista.innerHTML !== "&nbsp;") {
            clearInterval(intervalId);
            refreshLink(1);
        }
    }, 50);
}