// ==UserScript==
// @name         MZ - Training Report Checker
// @namespace    douglaskampl
// @version      2.1
// @description  Checks training report status and visually indicate readiness on a daily basis (except for saturdays)
// @author       Douglas
// @match        https://www.managerzone.com/*
// @icon         https://www.google.com/s2/favicons?sz=64&domain=managerzone.com
// @grant        none
// @license      MIT
// @downloadURL none
// ==/UserScript==

(function() {
    'use strict';

    const CONFIG = {
        START_HOUR: 19,
        START_MINUTE: 1,
        END_HOUR: 23,
        END_MINUTE: 59,
        CHECK_INTERVAL: 300000, // 5 minutes in milliseconds
        TIMEZONE_OFFSET: -3     // Brazil timezone (can be adjusted)
    };

    const DAY_MAP = {
        0: 1, // Sunday
        1: 2, // Monday
        2: 3, // Tuesday
        3: 4, // Wednesday
        4: 5, // Thursday
        5: 6, // Friday
        6: null // Saturday
    };

    class TrainingReportChecker {
        constructor() {
            this.linkId = 'shortcut_link_trainingreport';
        }

        getBrazilianDate() {
            const date = new Date();
            const utc = date.getTime() + (date.getTimezoneOffset() * 60000);
            const brazilTime = new Date(utc + (3600000 * CONFIG.TIMEZONE_OFFSET));
            return brazilTime.toISOString().slice(0, 10);
        }

        getBrazilianTime() {
            const date = new Date();
            const utc = date.getTime() + (date.getTimezoneOffset() * 60000);
            return new Date(utc + (3600000 * CONFIG.TIMEZONE_OFFSET));
        }

        isWithinCheckWindow() {
            const now = this.getBrazilianTime();
            const hour = now.getHours();
            const minute = now.getMinutes();

            const startTime = hour * 60 + minute;
            const checkStartTime = CONFIG.START_HOUR * 60 + CONFIG.START_MINUTE;
            const checkEndTime = CONFIG.END_HOUR * 60 + CONFIG.END_MINUTE;

            return startTime >= checkStartTime && startTime <= checkEndTime;
        }

        addTrainingReportLink() {
            const targetDiv = document.getElementById('pt-wrapper');
            if (!targetDiv) {
                console.log('Target div not found.');
                return;
            }

            const link = document.createElement('a');
            link.id = this.linkId;
            link.title = 'Training Report';
            link.href = '/?p=training_report';
            link.innerHTML = '| <i class="fa fa-unlock"></i>';
            targetDiv.appendChild(link);
        }

        isReportReady(table) {
            return Array.from(table.querySelectorAll('tr'))
                .some(row => row.querySelector('img[src*="training_camp.png"]'));
        }

        markReportAsChecked() {
            const today = this.getBrazilianDate();
            localStorage.setItem('reportCheckedDate', today);
            document.getElementById(this.linkId).style.color = 'green';
        }

        hasReportBeenCheckedToday() {
            const today = this.getBrazilianDate();
            return localStorage.getItem('reportCheckedDate') === today;
        }

        async checkTrainingReport() {
            const today = new Date();
            const dayIndex = DAY_MAP[today.getDay()];

            if (!dayIndex) {
                console.log('No check needed: It is Saturday.');
                return;
            }

            if (!this.isWithinCheckWindow()) {
                console.log('Outside check window (19:01-23:59).');
                return;
            }

            if (this.hasReportBeenCheckedToday()) {
                console.log('Training report already checked today.');
                document.getElementById(this.linkId).style.color = 'green';
                return;
            }

            try {
                const response = await fetch(
                    `https://www.managerzone.com/ajax.php?p=trainingReport&sub=daily&sport=soccer&day=${dayIndex}&sort_order=desc&sort_key=modification&player_sort=all`
                );
                const text = await response.text();
                const parser = new DOMParser();
                const doc = parser.parseFromString(text, "text/html");
                const table = doc.querySelector("body > table:nth-child(3)");

                if (table && this.isReportReady(table)) {
                    console.log('Report is ready.');
                    this.markReportAsChecked();
                } else if (this.isWithinCheckWindow()) {
                    console.log('No report yet. Will check again in 5 minutes.');
                    setTimeout(() => this.checkTrainingReport(), CONFIG.CHECK_INTERVAL);
                }
            } catch (error) {
                console.error('Error fetching training report:', error);
            }
        }

        init() {
            const sport = new URL(document.querySelector("#shortcut_link_thezone").href)
                .searchParams.get("sport");

            if (sport !== "soccer") {
                console.log('Script not running: sport is not soccer.');
                return;
            }

            this.addTrainingReportLink();
            this.checkTrainingReport();
        }
    }

    const checker = new TrainingReportChecker();
    checker.init();
})();