// ==UserScript==
// @name         豆包视频图集解析下载
// @namespace    http://309096184.xyz/
// @version      1.0.0
// @description  在豆包分享页面（视频/图集）一键解析作品，下载无水印作品
// @author       【Rain】黯笙
// @icon         http://309096184.xyz/烧包/三楼插件/jbtx.png
// @match        *://*.doubao.com/*
// @grant        GM_xmlhttpRequest
// @grant        GM_download
// @run-at       document-start
// @license      黯笙
// ==/UserScript==

(function() {
    const textBtn = "解析";
    const textFail = "解析失败";
    const textError = "解析出错";
    const textClose = "关闭";
    const loadingTipText = "正在解析当前作品...";
    const textDonate = "赞助";
    const donateTip = "感谢支持作者【Rain】黯笙";
    const donateImgUrl = "http://309096184.xyz/x/zz.png";

    const updateCheckUrl = "http://309096184.xyz/烧包/脚本猫插件/gx.txt";
    const currentVersion = "1.0.0";
    const textUpdate = "当前版本过低\n请前往更新\n作者【Rain】黯笙";

    const bgColor = "#1c1c1e";
    const cardColor = "#252527";
    const textColor = "#e5e5e7";
    const subTextColor = "#8e8e93";
    const btnBgColor = cardColor;

    const innerGlow = "inset 0 0 6px rgba(255,255,255,0.1)";
    const innerGlowPressed = "inset 0 0 3px rgba(255,255,255,0.06)";

    function versionIsHigher(v1, v2) {
        const a = v1.split(".").map(Number);
        const b = v2.split(".").map(Number);
        for (let i = 0; i < Math.max(a.length, b.length); i++) {
            if ((a[i] || 0) > (b[i] || 0)) return true;
            if ((a[i] || 0) < (b[i] || 0)) return false;
        }
        return false;
    }

    function showLoadingToast(msg) {
        const old = document.getElementById("parseLoadingToast");
        if (old) old.remove();
        const toast = document.createElement("div");
        toast.id = "parseLoadingToast";
        toast.textContent = msg;
        Object.assign(toast.style, {
            position: "fixed", top: "50%", left: "50%", transform: "translate(-50%,-50%)",
            background: cardColor, color: textColor,
            padding: "14px 24px", borderRadius: "20px",
            fontSize: "15px", zIndex: "2147483647",
            fontFamily: "-apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif",
            boxShadow: innerGlow
        });
        document.body.appendChild(toast);
        return toast;
    }

    let analyzeBtn = null;
    function createAnalyzeBtn() {
        if (analyzeBtn) return analyzeBtn;
        const btn = document.createElement("button");
        btn.textContent = textBtn;
        btn.id = "doubaoParseFloatBtn";
        Object.assign(btn.style, {
            position: "fixed", bottom: "120px", right: "20px", zIndex: "2147483647",
            width: "56px", height: "56px", borderRadius: "50%",
            background: btnBgColor, color: "#ffffff",
            border: "none",
            fontSize: "14px", fontWeight: "600",
            fontFamily: "-apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif",
            boxShadow: innerGlow,
            transition: "box-shadow 0.15s, transform 0.15s"
        });
        btn.addEventListener("pointerdown", () => {
            btn.style.boxShadow = innerGlowPressed;
            btn.style.transform = "scale(0.92)";
        });
        btn.addEventListener("pointerup", () => {
            btn.style.boxShadow = innerGlow;
            btn.style.transform = "scale(1)";
        });
        return btn;
    }

    function showBtn() {
        if (!analyzeBtn) analyzeBtn = createAnalyzeBtn();
        if (!analyzeBtn.parentElement) document.body.appendChild(analyzeBtn);
        analyzeBtn.style.display = "block";
    }
    function hideBtn() { if (analyzeBtn) analyzeBtn.style.display = "none"; }
    function toggleBtn() {
        if (location.hostname.includes("doubao.com")) showBtn(); else hideBtn();
    }

    function startAnalyze() {
        const loadingToast = showLoadingToast(loadingTipText);
        const apiUrl = `http://309096184.xyz/烧包/脚本猫插件/包子.php?token=K8x9Lm2Qp4R7vW1zY5aB&url=${encodeURIComponent(location.href)}`;
        GM_xmlhttpRequest({
            method: "GET", url: apiUrl, timeout: 30000,
            onload: function(res) {
                loadingToast.remove();
                try {
                    const data = JSON.parse(res.responseText);
                    if (data.code !== 200 || !data.data || !data.data.type) {
                        alert(`${textFail}：未检测到可解析的作品`);
                        return;
                    }
                    renderDoubaoPopup(data.data);
                } catch (e) { alert(textError); console.error(e); }
            },
            onerror: () => { loadingToast.remove(); alert(textError + "，接口请求失败"); },
            ontimeout: () => { loadingToast.remove(); alert("请求超时"); }
        });
    }

    function openDonatePopup() {
        const mask = document.createElement("div");
        Object.assign(mask.style, {
            position: "fixed", inset: "0", background: "rgba(0,0,0,0.7)",
            zIndex: "2147483648", display: "flex", alignItems: "center", justifyContent: "center"
        });
        const card = document.createElement("div");
        Object.assign(card.style, {
            background: cardColor, borderRadius: "24px", padding: "24px",
            maxWidth: "320px", width: "90%", textAlign: "center",
            boxShadow: innerGlow
        });
        const title = document.createElement("div");
        title.textContent = donateTip;
        Object.assign(title.style, {
            color: textColor, fontSize: "17px", fontWeight: "600",
            marginBottom: "20px", fontFamily: "-apple-system, sans-serif"
        });
        const qrWrap = document.createElement("div");
        Object.assign(qrWrap.style, {
            width: "100%", minHeight: "220px",
            background: bgColor, borderRadius: "18px",
            display: "flex", alignItems: "center", justifyContent: "center",
            color: subTextColor, fontSize: "14px", marginBottom: "20px",
            boxShadow: innerGlow
        });
        qrWrap.textContent = "加载中...";
        const closeBtn = document.createElement("button");
        closeBtn.textContent = textClose;
        Object.assign(closeBtn.style, {
            background: btnBgColor, color: "#ffffff",
            border: "none", borderRadius: "14px",
            padding: "10px 32px", fontSize: "16px", fontWeight: "500",
            fontFamily: "-apple-system, sans-serif",
            boxShadow: innerGlow
        });
        closeBtn.addEventListener("pointerdown", () => closeBtn.style.boxShadow = innerGlowPressed);
        closeBtn.addEventListener("pointerup", () => closeBtn.style.boxShadow = innerGlow);
        closeBtn.onclick = () => mask.remove();
        card.appendChild(title); card.appendChild(qrWrap); card.appendChild(closeBtn);
        mask.appendChild(card);
        document.body.appendChild(mask);
        mask.onclick = (e) => { if (e.target === mask) mask.remove(); };
        GM_xmlhttpRequest({
            method: "GET", url: donateImgUrl, responseType: "blob", timeout: 10000,
            onload: function(res) {
                if (res.status >= 200 && res.status < 300) {
                    const blobUrl = URL.createObjectURL(res.response);
                    const img = document.createElement("img");
                    img.src = blobUrl;
                    img.style.cssText = "width:100%;height:auto;object-fit:contain;border-radius:12px;";
                    qrWrap.innerHTML = ""; qrWrap.appendChild(img);
                } else qrWrap.innerHTML = '<span style="color:#ff453a">加载失败</span>';
            },
            onerror: () => qrWrap.innerHTML = '<span style="color:#ff453a">网络错误</span>',
            ontimeout: () => qrWrap.innerHTML = '<span style="color:#ff453a">超时</span>'
        });
    }

    function downloadFile(url, filename) {
        GM_download({ url, name: filename, saveAs: false });
    }

    function copyText(text) {
        if (navigator.clipboard && window.isSecureContext) {
            navigator.clipboard.writeText(text).then(() => alert("已复制到剪贴板")).catch(() => alert("复制失败"));
        } else {
            const ta = document.createElement("textarea");
            ta.value = text; ta.style.position = "fixed"; ta.style.opacity = "0";
            document.body.appendChild(ta); ta.select();
            try { document.execCommand("copy"); alert("已复制"); } catch (e) { alert("复制失败"); }
            document.body.removeChild(ta);
        }
    }

    function createButton(text, callback) {
        const btn = document.createElement("button");
        btn.textContent = text;
        Object.assign(btn.style, {
            display: "block", width: "100%",
            background: btnBgColor, color: "#ffffff",
            border: "none", borderRadius: "14px",
            padding: "12px", fontSize: "16px", fontWeight: "500",
            fontFamily: "-apple-system, BlinkMacSystemFont, 'SF Pro Text', sans-serif",
            marginBottom: "12px",
            boxShadow: innerGlow,
            transition: "box-shadow 0.15s, transform 0.15s"
        });
        btn.addEventListener("pointerdown", () => {
            btn.style.boxShadow = innerGlowPressed;
            btn.style.transform = "scale(0.98)";
        });
        btn.addEventListener("pointerup", () => {
            btn.style.boxShadow = innerGlow;
            btn.style.transform = "scale(1)";
        });
        btn.onclick = callback;
        return btn;
    }

    function renderDoubaoPopup(data) {
        const mask = document.createElement("div");
        Object.assign(mask.style, {
            position: "fixed", inset: "0",
            background: bgColor,
            zIndex: "2147483646", overflowY: "auto",
            paddingTop: "90px", paddingLeft: "16px", paddingRight: "16px", paddingBottom: "40px",
            fontFamily: "-apple-system, BlinkMacSystemFont, 'SF Pro Text', 'Helvetica Neue', sans-serif"
        });

        const topBar = document.createElement("div");
        Object.assign(topBar.style, {
            position: "fixed", top: "0", left: "0", right: "0",
            background: cardColor, zIndex: "999",
            padding: "12px 16px",
            display: "flex", justifyContent: "space-between", alignItems: "center",
            boxShadow: innerGlow,
            borderBottom: "1px solid rgba(255,255,255,0.05)"
        });
        const titleSpan = document.createElement("span");
        titleSpan.style.cssText = `color:${textColor};font-size:18px;font-weight:600;`;
        titleSpan.textContent = data.type === "video" ? "\u25B6 视频" : "\u25A3 图集";
        const btnGroup = document.createElement("div");
        btnGroup.style.cssText = "display:flex;gap:8px;";

        const donateBtn = document.createElement("button");
        donateBtn.textContent = textDonate;
        Object.assign(donateBtn.style, {
            background: btnBgColor, color: "#ffffff",
            border: "none", borderRadius: "14px", padding: "8px 14px",
            fontSize: "14px", fontWeight: "500", fontFamily: "inherit",
            boxShadow: innerGlow
        });
        donateBtn.addEventListener("pointerdown", () => donateBtn.style.boxShadow = innerGlowPressed);
        donateBtn.addEventListener("pointerup", () => donateBtn.style.boxShadow = innerGlow);
        donateBtn.onclick = openDonatePopup;

        const closeBtn = document.createElement("button");
        closeBtn.textContent = textClose;
        Object.assign(closeBtn.style, {
            background: btnBgColor, color: "#ffffff",
            border: "none", borderRadius: "14px", padding: "8px 18px",
            fontSize: "14px", fontWeight: "500", fontFamily: "inherit",
            boxShadow: innerGlow
        });
        closeBtn.addEventListener("pointerdown", () => closeBtn.style.boxShadow = innerGlowPressed);
        closeBtn.addEventListener("pointerup", () => closeBtn.style.boxShadow = innerGlow);
        closeBtn.onclick = () => mask.remove();

        btnGroup.appendChild(donateBtn);
        btnGroup.appendChild(closeBtn);
        topBar.appendChild(titleSpan);
        topBar.appendChild(btnGroup);
        mask.appendChild(topBar);

        const content = document.createElement("div");
        content.style.cssText = "max-width:600px;margin:0 auto;";

        if (data.desc || data.title) {
            const descCard = document.createElement("div");
            Object.assign(descCard.style, {
                background: cardColor, borderRadius: "20px", padding: "16px",
                marginBottom: "20px", color: textColor, fontSize: "15px", lineHeight: "1.6",
                boxShadow: innerGlow,
                display: "flex", justifyContent: "space-between", alignItems: "flex-start", gap: "12px"
            });

            const descText = document.createElement("div");
            descText.textContent = data.desc || data.title;
            descText.style.cssText = "white-space:pre-wrap;word-break:break-word;flex:1;";

            const copyBtn = document.createElement("button");
            copyBtn.textContent = "复制描述";
            Object.assign(copyBtn.style, {
                background: btnBgColor, color: "#ffffff",
                border: "none", borderRadius: "8px",
                padding: "4px 12px", fontSize: "12px", fontWeight: "500",
                flexShrink: "0", marginTop: "2px",
                boxShadow: innerGlow
            });
            copyBtn.addEventListener("pointerdown", () => copyBtn.style.boxShadow = innerGlowPressed);
            copyBtn.addEventListener("pointerup", () => copyBtn.style.boxShadow = innerGlow);
            copyBtn.onclick = () => copyText(data.desc || data.title);

            descCard.appendChild(descText);
            descCard.appendChild(copyBtn);
            content.appendChild(descCard);
        }

        if (data.author && data.author.name) {
            const authorCard = document.createElement("div");
            Object.assign(authorCard.style, {
                display: "flex", alignItems: "center", gap: "14px",
                background: cardColor, borderRadius: "20px", padding: "14px",
                marginBottom: "20px",
                boxShadow: innerGlow
            });
            if (data.author.avatar) {
                const avt = document.createElement("img");
                avt.src = data.author.avatar;
                Object.assign(avt.style, {
                    width: "48px", height: "48px", borderRadius: "50%",
                    objectFit: "cover", border: "2px solid rgba(255,255,255,0.15)",
                    boxShadow: "none"
                });
                authorCard.appendChild(avt);
            }
            const nameWrap = document.createElement("div");
            const nameDiv = document.createElement("div");
            nameDiv.style.cssText = `color:${textColor};font-size:16px;font-weight:500;`;
            nameDiv.textContent = data.author.name;
            nameWrap.appendChild(nameDiv);
            if (data.author.id) {
                const idDiv = document.createElement("div");
                idDiv.style.cssText = `color:${subTextColor};font-size:13px;`;
                idDiv.textContent = "ID: " + data.author.id;
                nameWrap.appendChild(idDiv);
            }
            authorCard.appendChild(nameWrap);
            content.appendChild(authorCard);
        }

        if (data.type === "video") {
            if (data.cover) {
                const cover = document.createElement("img");
                cover.src = data.cover;
                cover.style.cssText = `width:100%;border-radius:16px;display:block;margin-bottom:14px;box-shadow:${innerGlow};`;
                content.appendChild(cover);
            }
            if (data.url) {
                const loading = document.createElement("div");
                loading.textContent = "视频加载中...";
                loading.style.cssText = `color:${subTextColor};text-align:center;padding:28px;font-size:15px;`;
                content.appendChild(loading);
                const video = document.createElement("video");
                video.controls = true;
                video.style.cssText = `width:100%;border-radius:16px;margin-bottom:12px;display:none;box-shadow:${innerGlow};`;
                content.appendChild(video);
                GM_xmlhttpRequest({
                    method: "GET", url: data.url, responseType: "blob", timeout: 120000,
                    onload: function(res) {
                        loading.remove();
                        if (res.status >= 200 && res.status < 300) {
                            const blobUrl = URL.createObjectURL(res.response);
                            video.src = blobUrl;
                            video.style.display = "block";
                        } else {
                            const err = document.createElement("div");
                            err.textContent = "视频加载失败"; err.style.cssText = `color:#ff453a;text-align:center;margin-bottom:12px;`;
                            content.insertBefore(err, video);
                        }
                    },
                    onerror: () => { loading.remove(); video.remove(); content.appendChild(Object.assign(document.createElement("div"), { textContent: "网络错误", style: `color:#ff453a;text-align:center;margin-bottom:12px;` })); },
                    ontimeout: () => { loading.remove(); video.remove(); content.appendChild(Object.assign(document.createElement("div"), { textContent: "加载超时", style: `color:#ff453a;text-align:center;margin-bottom:12px;` })); }
                });
                content.appendChild(createButton("下载视频", () => {
                    downloadFile(data.url, (data.title || data.desc || "video") + ".mp4");
                }));
            }
        } else if (data.type === "image" && data.images && data.images.length > 0) {
            if (data.images.length > 1) {
                content.appendChild(createButton("一键下载全部 (" + data.images.length + "张)", () => {
                    data.images.forEach((url, idx) => {
                        setTimeout(() => downloadFile(url, (data.title || data.desc || "image") + `_${idx+1}.jpg`), idx * 300);
                    });
                    alert("开始批量下载，请允许浏览器多次保存");
                }));
            }
            data.images.forEach((imgUrl, idx) => {
                const img = document.createElement("img");
                img.src = imgUrl;
                img.style.cssText = `width:100%;border-radius:16px;display:block;margin-bottom:10px;box-shadow:${innerGlow};`;
                content.appendChild(img);
                content.appendChild(createButton("下载图片 " + (idx+1), () => {
                    downloadFile(imgUrl, (data.title || data.desc || "image") + `_${idx+1}.jpg`);
                }));
            });
        }

        mask.appendChild(content);
        document.body.appendChild(mask);
    }

    function init() {
        if (!document.body) { setTimeout(init, 50); return; }
        toggleBtn();
        analyzeBtn.onclick = () => {
            GM_xmlhttpRequest({
                method: "GET", url: updateCheckUrl, timeout: 5000,
                onload: function(res) {
                    try {
                        const info = JSON.parse(res.responseText);
                        if (versionIsHigher(info.version, currentVersion) && info.forceUpdate) {
                            alert(textUpdate);
                            if (info.updateUrl) window.open(info.updateUrl);
                            return;
                        }
                    } catch (e) {}
                    startAnalyze();
                },
                onerror: startAnalyze,
                ontimeout: startAnalyze
            });
        };
        setInterval(toggleBtn, 800);
    }

    init();
})();