/**
 * Mock 内存数据库 + 种子数据（仅 dev mock 模式使用，vite.config 按需加载）。
 * 数据形状与 com.yunhai.cms.model.vo 一一对应；时间串用 "yyyy-MM-dd HH:mm:ss"。
 */

/* ===== 行类型 ===== */

export interface MockSite {
    id: number;
    code: string;
    /** 上级站点ID（0=顶层校站点；院系子站挂主站 id） */
    parentSiteId: number;
    schId: number;
    schName: string;
    name: string;
    theme: string;
    configJson: string;
    status: number;
    createTime: string;
}

export interface MockCategory {
    id: number;
    siteId: number;
    parentId: number;
    name: string;
    type: number;
    linkUrl?: string;
    template?: string;
    content?: string;
    sortNo: number;
    seoTitle?: string;
    seoDescription?: string;
    status: number;
}

export interface MockArticle {
    id: number;
    siteId: number;
    categoryId: number;
    title: string;
    summary: string;
    content: string;
    coverImage?: string;
    authorName: string;
    source: string;
    /** 0=草稿 1=已发布 2=已下架 */
    status: number;
    topmost: number;
    publishTime?: string;
    offlineTime?: string;
    viewCount: number;
    createTime: string;
    createBy: string;
}

export interface MockAttachment {
    id: number;
    siteId: number;
    articleId?: number;
    /** 场景引用类型（B2）：banner/link/site；空=未使用 */
    refType?: string;
    refId?: number;
    fileName: string;
    url: string;
    fileSize: number;
    mimeType: string;
    createTime: string;
}

export interface MockBanner {
    id: number;
    siteId: number;
    position: string;
    title: string;
    imageUrl: string;
    linkType: number;
    linkValue?: string;
    sortNo: number;
    startTime?: string;
    endTime?: string;
    status: number;
}

export interface MockLink {
    id: number;
    siteId: number;
    groupName: string;
    name: string;
    logoUrl?: string;
    linkUrl: string;
    sortNo: number;
    status: number;
}

export interface MockDb {
    sites: MockSite[];
    categories: MockCategory[];
    articles: MockArticle[];
    attachments: MockAttachment[];
    banners: MockBanner[];
    links: MockLink[];
    /** 上传文件缓存：url 尾段 → {buffer, mime} */
    files: Map<string, { buffer: Buffer; mime: string; name: string }>;
}

/* ===== 工具 ===== */

function fmt(d: Date): string {
    const p = (n: number) => String(n).padStart(2, "0");
    return `${d.getFullYear()}-${p(d.getMonth() + 1)}-${p(d.getDate())} ${p(d.getHours())}:${p(d.getMinutes())}:${p(d.getSeconds())}`;
}

function daysAgo(n: number, h = 9, m = 30): string {
    const d = new Date();
    d.setDate(d.getDate() - n);
    d.setHours(h, m, 0, 0);
    return fmt(d);
}

/** 简单富文本正文（栏目/文章种子共用） */
function para(...ps: string[]): string {
    return ps.map(t => `<p>${t}</p>`).join("");
}

/* ===== 种子数据 ===== */

export function seedDb(): MockDb {
    const db: MockDb = {
        sites: [],
        categories: [],
        articles: [],
        attachments: [],
        banners: [],
        links: [],
        files: new Map(),
    };

    /* ---- 站点（demo 为主站 + jdx/xxgc 院系子站；fsz 独立顶层站无子站） ---- */
    db.sites.push(
        {
            id: 1,
            code: "demo",
            parentSiteId: 0,
            schId: 1001,
            schName: "云海大学",
            name: "云海大学门户网站",
            theme: "default",
            configJson: JSON.stringify(
                {
                    domain: "www.yunhai-demo.edu.cn",
                    public_base_url: "http://www.yunhai-demo.edu.cn",
                    logo: "/mock-img/logo-univ.svg",
                    copyright: "云海大学 · 版权所有 © 2026（Mock 数据）",
                },
                null,
                2
            ),
            status: 1,
            createTime: daysAgo(90),
        },
        {
            id: 2,
            code: "fsz",
            parentSiteId: 0,
            schId: 1002,
            schName: "云海大学附属中学",
            name: "附中信息门户",
            theme: "blue-white",
            configJson: JSON.stringify({ copyright: "云大附中 · Mock 数据" }),
            status: 1,
            createTime: daysAgo(60),
        },
        {
            id: 3,
            code: "jdx",
            parentSiteId: 1,
            schId: 1001,
            schName: "云海大学",
            name: "机电学院",
            theme: "default",
            configJson: JSON.stringify({
                public_base_url: "http://www.yunhai-demo.edu.cn/college/jdx",
                copyright: "机电学院 · Mock 数据",
            }),
            status: 1,
            createTime: daysAgo(50),
        },
        {
            id: 4,
            code: "xxgc",
            parentSiteId: 1,
            schId: 1001,
            schName: "云海大学",
            name: "信息工程学院",
            theme: "default",
            configJson: JSON.stringify({
                public_base_url: "http://www.yunhai-demo.edu.cn/college/xxgc",
                copyright: "信息工程学院 · Mock 数据",
            }),
            status: 1,
            createTime: daysAgo(45),
        }
    );

    /* ---- 栏目（site1 大学门户） ---- */
    const c1 = (o: Partial<MockCategory> & { id: number; name: string; type: number }) => ({
        siteId: 1,
        parentId: 0,
        sortNo: 0,
        status: 1,
        ...o,
    } as MockCategory);
    db.categories.push(
        c1({ id: 1, name: "学校概况", type: 2, sortNo: 1, seoTitle: "云海大学简介", content: para("云海大学创建于 1958 年，是一所以工为主、多学科协调发展的综合性大学。", "学校现有全日制在校生 3.2 万余人，教职工 2800 余人，拥有两院院士 12 名。（此处为 Mock 演示数据）") }),
        c1({ id: 2, name: "新闻中心", type: 1, sortNo: 2 }),
        c1({ id: 3, name: "通知公告", type: 1, parentId: 2, sortNo: 1, seoTitle: "通知公告" }),
        c1({ id: 4, name: "校园动态", type: 1, parentId: 2, sortNo: 2 }),
        c1({ id: 5, name: "媒体报道", type: 1, parentId: 2, sortNo: 3 }),
        c1({ id: 6, name: "教学科研", type: 1, sortNo: 3 }),
        c1({ id: 7, name: "教学动态", type: 1, parentId: 6, sortNo: 1 }),
        c1({ id: 8, name: "科研成果", type: 1, parentId: 6, sortNo: 2 }),
        c1({ id: 9, name: "招生网", type: 3, sortNo: 4, linkUrl: "https://zs.example.edu.cn" }),
        c1({ id: 10, name: "联系我们", type: 2, sortNo: 5, content: para("地址：云海市学府路 1 号", "邮编：100000", "电话：010-88888888（Mock）") })
    );

    /* ---- 栏目（site2 附中门户，验证站点数据隔离） ---- */
    const c2 = (o: Partial<MockCategory> & { id: number; name: string; type: number }) => ({
        siteId: 2,
        parentId: 0,
        sortNo: 0,
        status: 1,
        ...o,
    } as MockCategory);
    db.categories.push(
        c2({ id: 21, name: "附中新闻", type: 1, sortNo: 1 }),
        c2({ id: 22, name: "校园风采", type: 2, sortNo: 2, content: para("附中校园风光介绍（Mock）。") })
    );

    /* ---- 栏目（site3/4 院系子站，门户 header 出"专业院系"下拉） ---- */
    const c3 = (siteId: number) => (o: Partial<MockCategory> & { id: number; name: string; type: number }) => ({
        siteId,
        parentId: 0,
        sortNo: 0,
        status: 1,
        ...o,
    } as MockCategory);
    const c3j = c3(3);
    const c3x = c3(4);
    db.categories.push(
        c3j({ id: 41, name: "学院概况", type: 2, sortNo: 1, seoTitle: "机电学院简介", content: para("机电学院设有机电一体化技术、电气自动化技术、机械制造及自动化、物联网应用技术等专业（Mock）。") }),
        c3j({ id: 42, name: "学院新闻", type: 1, sortNo: 2 }),
        c3j({ id: 43, name: "实习实训", type: 1, sortNo: 3 }),
        c3x({ id: 44, name: "学院概况", type: 2, sortNo: 1, seoTitle: "信息工程学院简介", content: para("信息工程学院开设计算机应用技术、软件技术、大数据技术等专业（Mock）。") }),
        c3x({ id: 45, name: "学院动态", type: 1, sortNo: 2 })
    );

    /* ---- 文章 ---- */
    let aid = 0;
    const a = (o: Partial<MockArticle> & { categoryId: number; title: string }) => ({
        id: ++aid,
        siteId: 1,
        summary: "",
        content: "",
        authorName: "张老师",
        source: "",
        status: 1,
        topmost: 0,
        viewCount: Math.floor(Math.random() * 2000) + 100,
        createTime: daysAgo(aid),
        createBy: "admin",
        ...o,
    } as MockArticle);
    const body = (t: string) =>
        para(
            `${t}——本文为 Mock 演示数据，用于前端界面预览。`,
            "云海大学始终坚持立德树人根本任务，深入推进教育教学改革，人才培养质量稳步提升。",
            `正文第二段：近日，${t}相关活动在校园内顺利举行，广大师生积极参与，反响热烈。`,
            `<p><img src="/mock-img/art-${aid}.svg" alt="配图" style="max-width:100%"/></p>`,
            "正文第三段：学校相关负责人表示，将持续完善各项工作机制，以更高标准推动事业发展。"
        );
    db.articles.push(
        a({ categoryId: 3, title: "关于 2026 年秋季学期开学注册安排的通知", topmost: 1, publishTime: daysAgo(1), content: body("关于 2026 年秋季学期开学注册安排的通知"), summary: "现将 2026 年秋季学期开学注册有关事项通知如下……" }),
        a({ categoryId: 3, title: "图书馆国庆节期间开放时间调整公告", publishTime: daysAgo(3), content: body("图书馆开放时间调整") }),
        a({ categoryId: 3, title: "关于开展 2026 级新生入学教育系列活动的通知", publishTime: daysAgo(6), content: body("新生入学教育活动") }),
        a({ categoryId: 3, title: "校园网络升级维护通知（草稿）", status: 0, content: body("校园网络升级维护"), authorName: "李老师" }),
        a({ categoryId: 4, title: "我校成功举办第 38 届田径运动会", topmost: 1, coverImage: "/mock-img/cover-1.svg", publishTime: daysAgo(2), content: body("第 38 届田径运动会"), summary: "为期三天的校运会圆满落幕，共有 16 个学院代表队参赛。" }),
        a({ categoryId: 4, title: "2026 年迎新晚会精彩回顾", coverImage: "/mock-img/cover-2.svg", publishTime: daysAgo(5), content: body("迎新晚会") }),
        a({ categoryId: 4, title: "大学生创新创业大赛校内选拔赛落幕", coverImage: "/mock-img/cover-3.svg", publishTime: daysAgo(9), content: body("创新创业大赛") }),
        a({ categoryId: 4, title: "志愿服务月活动启动（草稿）", status: 0, content: body("志愿服务月") }),
        a({ categoryId: 4, title: "2025 年优秀学生表彰大会报道（已下架）", status: 2, publishTime: daysAgo(40), offlineTime: daysAgo(10), content: body("表彰大会") }),
        a({ categoryId: 5, title: "《云海日报》：云海大学深耕产教融合一线观察", publishTime: daysAgo(4), source: "云海日报", content: body("产教融合") }),
        a({ categoryId: 5, title: "市电视台专访我校智能制造实验室", publishTime: daysAgo(12), source: "云海电视台", content: body("智能制造实验室") }),
        a({ categoryId: 7, title: "我校 12 门课程获评省级一流本科课程", publishTime: daysAgo(7), content: body("省级一流课程") }),
        a({ categoryId: 7, title: "关于组织申报 2027 年教改项目的预通知", publishTime: daysAgo(15), content: body("教改项目申报") }),
        a({ categoryId: 8, title: "材料学院团队在《Nature》子刊发表最新成果", topmost: 1, publishTime: daysAgo(2), content: body("《Nature》子刊成果"), summary: "该研究首次揭示了新型钙钛矿材料的界面稳定性机制。" }),
        a({ categoryId: 8, title: "我校获国家重点研发计划项目立项 3 项", publishTime: daysAgo(18), content: body("重点研发计划立项") }),
        a({ categoryId: 8, title: "人工智能学院发布大模型教育应用白皮书（草稿）", status: 0, content: body("大模型教育白皮书") })
    );
    /* 附中站点少量文章 */
    db.articles.push(
        a({ siteId: 2, categoryId: 21, title: "附中举行新学期升旗仪式", publishTime: daysAgo(2), content: body("升旗仪式") }),
        a({ siteId: 2, categoryId: 21, title: "附中啦啦操队获市级比赛一等奖", publishTime: daysAgo(8), content: body("啦啦操一等奖") }),
        a({ siteId: 2, categoryId: 21, title: "高三年级家长会通知（草稿）", status: 0, content: body("家长会通知") })
    );
    /* 院系子站文章 */
    db.articles.push(
        a({ siteId: 3, categoryId: 42, title: "机电学院学生在省级技能大赛中斩获一等奖", topmost: 1, publishTime: daysAgo(1), content: body("省级技能大赛一等奖"), summary: "机电一体化专业学生团队获省级技能大赛一等奖。" }),
        a({ siteId: 3, categoryId: 42, title: "机电学院召开 2026 届毕业生就业推进会", publishTime: daysAgo(4), content: body("就业推进会") }),
        a({ siteId: 3, categoryId: 43, title: "工业机器人实训室投入使用", publishTime: daysAgo(7), content: body("实训室投用") }),
        a({ siteId: 3, categoryId: 42, title: "实训设备采购论证会（草稿）", status: 0, content: body("设备采购论证") }),
        a({ siteId: 4, categoryId: 45, title: "信息工程学院举办程序设计校内选拔赛", publishTime: daysAgo(3), content: body("程序设计选拔赛") }),
        a({ siteId: 4, categoryId: 45, title: "软件技术专业开展企业导师课", publishTime: daysAgo(6), content: body("企业导师课") })
    );

    /* ---- 附件 ---- */
    let atid = 0;
    const at = (o: Partial<MockAttachment> & { fileName: string; url: string }) => ({
        id: ++atid,
        siteId: 1,
        fileSize: Math.floor(Math.random() * 5 * 1024 * 1024) + 10240,
        mimeType: "application/octet-stream",
        createTime: daysAgo(atid * 2 + 1),
        ...o,
    } as MockAttachment);
    db.attachments.push(
        at({ fileName: "2026秋季学期校历.pdf", url: "/mock-files/2026校历.pdf", mimeType: "application/pdf", articleId: 1 }),
        at({ fileName: "运动会秩序册.pdf", url: "/mock-files/运动会秩序册.pdf", mimeType: "application/pdf", articleId: 5 }),
        at({ fileName: "迎新晚会节目单.docx", url: "/mock-files/迎新晚会节目单.docx", articleId: 6 }),
        // B2 场景引用：轮播图/友链 Logo 附件带 refType/refId（与真实后端形态一致）
        at({ fileName: "banner-1.png", url: "/mock-img/banner-1.svg", mimeType: "image/png", refType: "banner", refId: 1 }),
        at({ fileName: "banner-2.png", url: "/mock-img/banner-2.svg", mimeType: "image/png", refType: "banner", refId: 2 }),
        at({ fileName: "banner-3.png", url: "/mock-img/banner-3.svg", mimeType: "image/png", refType: "banner", refId: 3 }),
        at({ fileName: "logo-教育部.png", url: "/mock-img/logo-1.svg", mimeType: "image/png", refType: "link", refId: 1 }),
        at({ fileName: "未使用旧banner.png", url: "/mock-img/banner-old.svg", mimeType: "image/png" }),
        at({ fileName: "未使用配图.jpg", url: "/mock-img/orphan.svg", mimeType: "image/jpeg" })
    );

    /* ---- 轮播 ---- */
    db.banners.push(
        { id: 1, siteId: 1, position: "home", title: "笃学慎思 明辨笃行", imageUrl: "/mock-img/banner-1.svg", linkType: 2, linkValue: "4", sortNo: 1, status: 1, startTime: daysAgo(30), endTime: undefined },
        { id: 2, siteId: 1, position: "home", title: "第 38 届田径运动会", imageUrl: "/mock-img/banner-2.svg", linkType: 1, linkValue: "5", sortNo: 2, status: 1, startTime: daysAgo(20) },
        { id: 3, siteId: 1, position: "home", title: "2026 年招生咨询", imageUrl: "/mock-img/banner-3.svg", linkType: 3, linkValue: "https://zs.example.edu.cn", sortNo: 3, status: 1, startTime: daysAgo(10) },
        { id: 4, siteId: 2, position: "home", title: "附中欢迎你", imageUrl: "/mock-img/banner-4.svg", linkType: 3, linkValue: "https://fsz.example.cn", sortNo: 1, status: 1 },
        { id: 5, siteId: 3, position: "home", title: "智能制造 匠心筑梦", imageUrl: "/mock-img/banner-2.svg", linkType: 2, linkValue: "42", sortNo: 1, status: 1 }
    );

    /* ---- 友情链接 ---- */
    let lid = 0;
    const l = (o: Partial<MockLink> & { name: string; linkUrl: string }) => ({
        id: ++lid,
        siteId: 1,
        groupName: "常用服务",
        sortNo: lid,
        status: 1,
        ...o,
    } as MockLink);
    db.links.push(
        l({ groupName: "上级部门", name: "教育部", linkUrl: "http://www.moe.gov.cn", logoUrl: "/mock-img/logo-1.svg" }),
        l({ groupName: "上级部门", name: "省教育厅", linkUrl: "http://jyt.example.cn", logoUrl: "/mock-img/logo-2.svg" }),
        l({ groupName: "兄弟院校", name: "云海理工大学", linkUrl: "https://www.yhlg.edu.cn", logoUrl: "/mock-img/logo-3.svg" }),
        l({ groupName: "兄弟院校", name: "云海师范大学", linkUrl: "https://www.yhsf.edu.cn", logoUrl: "/mock-img/logo-4.svg" }),
        l({ groupName: "兄弟院校", name: "云海医科大学", linkUrl: "https://www.yhyk.edu.cn", logoUrl: "/mock-img/logo-5.svg" }),
        l({ name: "教务系统", linkUrl: "https://jw.yunhai-demo.edu.cn", logoUrl: "/mock-img/logo-6.svg" }),
        l({ name: "图书馆", linkUrl: "https://lib.yunhai-demo.edu.cn", logoUrl: "/mock-img/logo-7.svg" }),
        l({ name: "邮件系统", linkUrl: "https://mail.yunhai-demo.edu.cn", logoUrl: "/mock-img/logo-8.svg" }),
        l({ siteId: 2, groupName: "附中链接", name: "教育云平台", linkUrl: "https://edu.example.cn" })
    );

    return db;
}

/* ===== 查询辅助 ===== */

/** 拍平表 → CategoryTreeNode 树 */
export function categoryTree(db: MockDb, siteId: number): any[] {
    const list = db.categories
        .filter(c => c.siteId === siteId)
        .sort((x, y) => x.sortNo - y.sortNo);
    const node = (parentId: number): any[] =>
        list
            .filter(c => c.parentId === parentId)
            .map(c => ({
                id: c.id,
                parentId: c.parentId,
                siteId: c.siteId,
                name: c.name,
                type: c.type,
                linkUrl: c.linkUrl,
                template: c.template,
                content: c.content,
                sortNo: c.sortNo,
                seoTitle: c.seoTitle,
                seoDescription: c.seoDescription,
                status: c.status,
                children: node(c.id),
            }));
    return node(0);
}

export function categoryName(db: MockDb, id: number): string {
    return db.categories.find(c => c.id === id)?.name || "-";
}

/** 自增 id（各表统一走 999+，避免与种子 id 冲突混淆） */
export function nextId(rows: { id: number }[]): number {
    return rows.reduce((m, r) => Math.max(m, r.id), 0) + 1;
}