// ==UserScript==
// @name                Twitch 自動領取掉寶 / Auto Receive Drops
// @name:zh-TW          Twitch 自動領取掉寶
// @name:zh-CN          Twitch 自动领取掉宝
// @name:en             Twitch Auto Claim Drops
// @name:ja             Twitch 自動ドロップ受け取り
// @name:ko             Twitch 자동 드롭 수령
// @version             0.0.9
// @author              HentaiSaru
// @description         Twitch 自動領取 (掉寶/Drops) , 窗口標籤顯示進度 , 直播結束時還沒領完 , 會自動尋找任意掉寶直播 , 並開啟後繼續掛機 , 代碼自訂義設置
// @description:zh-TW   Twitch 自動領取 (掉寶/Drops) , 窗口標籤顯示進度 , 直播結束時還沒領完 , 會自動尋找任意掉寶直播 , 並開啟後繼續掛機 , 代碼自訂義設置
// @description:zh-CN   Twitch 自动领取 (掉宝/Drops) , 窗口标签显示进度 , 直播结束时还没领完 , 会自动寻找任意掉宝直播 , 并开启后继续挂机 , 代码自定义设置
// @description:en      Automatically claim Twitch Drops, display progress in the tab, and if not finished when the stream ends, it will automatically find another Drops-enabled stream and continue farming. Customizable settings in the code.
// @description:ja      Twitch のドロップを自動的に受け取り、タブに進捗狀況を表示し、ストリーム終了時にまだ受け取っていない場合、自動的に別のドロップ有効なストリームを検索し、収穫を続けます。コードでのカスタマイズ可能な設定
// @description:ko      Twitch 드롭을 자동으로 받아오고 탭에 진행 상황을 표시하며, 스트림이 종료되었을 때 아직 완료되지 않았다면 자동으로 다른 드롭 활성 스트림을 찾아 계속 수집합니다. 코드에서 사용자 정의 설정 가능합니다

// @match        https://www.twitch.tv/drops/inventory
// @icon         https://cdn-icons-png.flaticon.com/512/8214/8214044.png

// @license      MIT
// @namespace    https://greasyfork.org/users/989635

// @run-at       document-end
// @grant        GM_setValue
// @grant        GM_getValue
// @downloadURL none
// ==/UserScript==
(function() {
    const Config = {
        RestartLive: true, // 使用重啟直播
        RestartLiveMute: true, // 重啟的直播靜音
        ProgressDisplay: true, // 於標題展示掉寶進度

        InjectDelay: 1, // (seconds) 開始注入檢測的延遲 [提高降低性能消耗, 但太高會找不到]
        UpdateInterval: 120, // (seconds) 更新進度狀態的間隔
        JudgmentInterval: 5, // (Minute) 判斷經過多長時間, 進度無增加, 就重啟直播 [設置太短會可能誤檢測]

        FindTag: ["drops", "启用掉宝", "드롭활성화됨"], // 查找直播標籤, 只要有包含該字串即可
        ProgressBar: "p.CoreText-sc-1txzju1-0.mLvNZ span.CoreText-sc-1txzju1-0", // 掉寶進度數據
        ReceiveDropsButton: ".ScCoreButton-sc-ocjdkq-0.ScCoreButtonPrimary-sc-ocjdkq-1.caieTg.eHSNkH", // 領取按鈕

        TagType: ".ScTruncateText-sc-i3kjgq-0.ickTbV span", // 頻道 Tag 標籤
        LiveLink: "[data-a-target='preview-card-image-link']", // 直播連結
        LiveChannel: "[data-test-selector='DropsCampaignInProgressDescription-no-channels-hint-text']" // 直播頻道列表
    }
    class Detection {
        #ProgressParse;
        #ShowTitle;
        constructor() {
            this.config = Config;
            this.#ProgressParse = progress => {
                progress.sort((a, b) => b - a);
                return progress.find(number => number < 100);
            }
            this.#ShowTitle = async display => {
                this.config.ProgressDisplay = false;
                const TitleDisplay = setInterval(()=>{
                    document.title !== display ? document.title = display : null;
                }, 300);
                setTimeout(()=> {clearInterval(TitleDisplay)}, 1000 * 8);
            }
        }
        static async Ran() {
            let Withdraw, state, title,
            data=[], use=true, dynamic = new Detection(), self = dynamic.config;
            const observer = new MutationObserver(() => {
                title = document.querySelectorAll(self.ProgressBar);
                title = title.length > 0 && use ? (use = false, title.forEach(progress=> data.push(+progress.textContent)), dynamic.#ProgressParse(data)) : false;
                state = self.ProgressDisplay && title != false ? (dynamic.#ShowTitle(`${title}%`), true) : false;
                if (self.RestartLive && state) {
                    self.RestartLive = false;
                    const time = new Date(),
                    [Timestamp, Progress] = GM_getValue("record", null) || [time.getTime(), title], conversion = (time - Timestamp) / (1000 * 60);
                    if (conversion >= self.JudgmentInterval && title === Progress) {
                        Restart.Ran();
                        GM_setValue("record", [time.getTime(), title]);
                    } else if (conversion === 0 || title !== Progress) {
                        GM_setValue("record", [time.getTime(), title]);
                    }
                }
                Withdraw = document.querySelector(self.ReceiveDropsButton);
                Withdraw ? (observer.disconnect(), Withdraw.click()) : null;
            });
            setTimeout(()=> {observer.observe(document.body, {childList: true, subtree: true})}, 1000 * self.InjectDelay);
        }
    }
    class RestartLive {
        #VideoMute;
        constructor() {
            this.config = Config;
            this.#VideoMute = async window => {
                const Interval = setInterval(() => {
                    let video = window.document.querySelector("video");
                    if (video) {
                        clearInterval(Interval);
                        const SilentInterval = setInterval(() => {video.muted = true}, 500);
                        setTimeout(()=> {clearInterval(SilentInterval)}, 1000 * 8);
                    }
                }, 1000);
            }
        }
        async Ran() {
            let NewWindow, article, channel, self = this.config;
            channel = document.querySelector(self.LiveChannel);
            if (channel) {
                window.open("", "LiveWindow", "top=0,left=0,width=1,height=1").close();
                NewWindow = window.open(channel.href, "LiveWindow");
                const Interval = setInterval(() => {
                    article = NewWindow.document.getElementsByTagName("article");
                    if (article.length > 20) {
                        clearInterval(Interval);
                        const index = Array.from(article).findIndex(element => {
                            const tag = element.querySelector(self.TagType).textContent.toLowerCase();
                            return self.FindTag.some(match=> tag.includes(match.toLowerCase()));
                        });
                        article[index].querySelector(self.LiveLink).click();
                        self.RestartLiveMute ? this.#VideoMute(NewWindow) : null;
                    }
                }, 500);
            }
        }
    }
    const Restart = new RestartLive();
    Detection.Ran();
    setTimeout(()=> {location.reload()}, 1000 * Config.UpdateInterval);
})();