// ==UserScript==
// @name         粤语屋 小宝影院 看剧吧 剧集屋去视频内嵌广告
// @name:zh-CN   粤语屋 小宝影院 看剧吧 剧集屋去视频内嵌广告
// @name:zh-TW   粤语屋 小宝影院 看剧吧 剧集屋去视频内嵌广告
// @name:zh-HK   粤语屋 小宝影院 看剧吧 剧集屋去视频内嵌广告
// @namespace    https://bbs.tampermonkey.net.cn/
// @version      2.0.0
// @description  去除粤语屋 小宝影院 看剧吧 剧集屋视频里嵌入的广告
// @description:zh-CN 去除粤语屋 小宝影院 看剧吧 剧集屋视频里的嵌入的广告
// @description:zh-TW 去除粤语屋 小宝影院 看剧吧 剧集屋视频里的嵌入的广告
// @description:zh-HK 去除粤语屋 小宝影院 看剧吧 剧集屋视频里的嵌入的广告
// @author       hua
// @grant        unsafeWindow
// @license      MIT
// @include      https://m3u8.yueyuwu.cc/player/*
// @include      https://xbyy.app/player/*
// @include      https://kandaju.net/js/player/*
// @include      https://ffzyplayer.com/*
// @run-at       document-start
// @downloadURL none
// ==/UserScript==

//粤语屋 小宝影院 看剧吧 剧集屋


const config_infos = {
    'yyw': {
        'm3u8_file_flag': /mixed\.m3u8$/,
    },
    'xbyy': {
        'm3u8_file_flag': /\.m3u8$/,
    },
    "kjb": {
        'm3u8_file_flag': /mixed\.m3u8$/,
    },
    "jjw": {
        'm3u8_file_flag': /mixed\.m3u8$/,
    }
};

(function () {
    let href = document.location.href;
    const page_type = get_page_type();
    const origin_console = console;
    const log = origin_console.log;
    if (page_type === 'unknown') {
        log('unknown page type');
        return;
    }

    let config_info = config_infos[page_type];
    init_hook();
    log('脚本注入成功！');
    function init_hook() {

        unsafeWindow.XMLHttpRequest = class extends unsafeWindow.XMLHttpRequest {
            get xhrResponseValue() {
                const xhr = this;
                if (xhr.readyState === XMLHttpRequest.DONE && xhr.status === 200) {
                    const url = xhr.responseURL;
                    if (url.match(config_info.m3u8_file_flag)) {
                        try {
                            return process_m3u8(super.response);
                        } catch (error) {
                            log('m3u8处理异常！', error);
                        }
                    }
                }
                return super.response;
            }
            get responseText() {
                return this.xhrResponseValue;
            }
            get response() {
                return this.xhrResponseValue;
            }
        };
    }

    function process_m3u8(file) {
        if (['yyw', 'kjb','jjw'].includes(page_type))  {
            return yyw(file);
        } else if (page_type === 'xbyy') {
            return xbyy(file);
        }


        function xbyy(file) {
            let lines = file.split('\n');
            let processed_lines = [];
            let pre_name;
            for (let line of lines) {
                if (line.endsWith('.ts')) {
                    pre_name = line.match(/^.*\//)[0];
                    break;
                }
            }
            for (let line of lines) {
                if (line.endsWith('.ts')) {
                    if (!line.startsWith(pre_name)) {
                        processed_lines.pop();
                        if (processed_lines[processed_lines.length - 1] == '#EXT-X-DISCONTINUITY') {
                            processed_lines.pop();
                        }
                        log('删除', line);
                        continue;
                    }
                }
                processed_lines.push(line);
            }
            return processed_lines.join('\n');
        }

        function yyw(file) {
            let lines = file.split('\n');
            let processed_lines = [];
            let index = 0;
            let name_len;
            let pre_name;
            let next_name;
            for (let line of lines) {
                if (line.endsWith('.ts')) {
                    if (!next_name) {
                        pre_name = line.split('.ts')[0];
                        name_len = pre_name.length;
                        index++;
                        const str_index = String(index);
                        next_name = `${pre_name.substring(0, name_len - str_index.length)}${str_index}.ts`;
                    } else {
                        if (next_name != line) {
                            processed_lines.pop();
                            if (processed_lines[processed_lines.length - 1] == '#EXT-X-DISCONTINUITY') {
                                processed_lines.pop();
                            }
                            console.log(`删除${line}`);
                            continue;
                        } else {
                            index++;
                            const str_index = String(index);
                            next_name = `${pre_name.substring(0, name_len - str_index.length)}${str_index}.ts`;
                        }
                    }
                }
                processed_lines.push(line);
            }
            let processed_file = processed_lines.join('\n');
            return processed_file;
        }
    }



    function get_page_type() {
        if (href.includes('m3u8.yueyuwu.cc'))
            return 'yyw';
        else if (href.includes('xbyy.app'))
            return 'xbyy';
        else if (href.includes('kandaju.net'))
            return 'kjb';
        else if (href.includes('ffzyplayer.com'))
            return 'jjw';
        else
            return 'unknown';
    }
})();