import { defineConfig, type HeadConfig } from "vitepress";
import llmstxt from "vitepress-plugin-llms";
import { teekConfig } from "./teekConfig";
import { createRewrites } from "vitepress-theme-teek/config";

// 动态判断环境
// Cloudflare Pages 默认提供 CF_PAGES 环境变量
// GitHub Actions 默认提供 GITHUB_ACTIONS 环境变量
// 本地开发：两者都为 false，不触发跳转
const isCF = process.env.CF_PAGES === '1' || process.env.PLATFORM === 'cloudflare'
const isGitHub = process.env.GITHUB_ACTIONS === 'true'

const PIXIVSOURCE = isCF ? 'https://pixivsource.pages.dev' : 'https://downeyrem.github.io/PixivSource'

// 规范网址始终指向 CF Pages（主站）
const CANONICAL_BASE = 'https://downeyrem.pages.dev'


// VitePress 配置
// https://vitepress.dev/reference/site-config
export default defineConfig({
    extends: teekConfig,
    title: "DowneyRem's Blog",
    description: "唐尼瑞姆的博客",
    lang: "zh-CN",
    cleanUrls: true,        // 简洁URL
    ignoreDeadLinks: true,  // 忽略死链
    appearance: true,       // 默认主题由用户配色方案决定
    lastUpdated: true,      // 获取页面最后更新的时间戳
    head: [
        ['link', { rel: 'icon', type: 'image/png', href: "/favicon.png" }],
        ["meta", { name: "google-site-verification", content: "Mce6VS2aBjfn1zAt9rSsrEKeNj2ZO9lNqYLroPbBY6s" }],
        ["meta", { property: "og:type", content: "website" }],
        ["meta", { property: "og:locale", content: "zh-CN" }],
        ["meta", { property: "og:image", content: "/favicon.png" }],

        ["link", { rel: "preconnect", href: "https://www.googletagmanager.com" }],
        ["link", { rel: "preconnect", href: "https://www.google-analytics.com", crossorigin: "" }],

        ["script", {
            async: "", src: "https://www.googletagmanager.com/gtag/js?id=G-X0J76E1E8Y" }],
        ["script", {},
            `window.dataLayer = window.dataLayer || [];
            function gtag(){dataLayer.push(arguments);}
            gtag("js", new Date());
            gtag("config", "G-X0J76E1E8Y");`
        ],
        ["noscript", {}, '<meta http-equiv="refresh" content="0; url={https://www.google.com}">'],
    ],

    // 每页动态注入 canonical，GitHub Pages 构建时额外注入跳转
    transformHead({ pageData }) {
        const path = pageData.relativePath
            .replace(/index\.md$/, '')
            .replace(/\.md$/, '')

        const canonicalUrl = `${CANONICAL_BASE}/${path}`

        const heads: HeadConfig[] = [
            ['link', { rel: 'canonical', href: canonicalUrl }]
        ]

        // 只有 GitHub Pages 构建时才注入跳转，本地开发不跳转
        if (isGitHub && !isCF) {
            heads.push(
                ['meta', { 'http-equiv': 'refresh', content: `0; url=${canonicalUrl}` }],
                ['script', {}, `window.location.replace("${canonicalUrl}")`]
            )
        }

        return heads
    },

    markdown: {
        lineNumbers: true,
        image: {
            lazyLoading: true,
        },
        container: {
            tipLabel: "提示",
            warningLabel: "警告",
            dangerLabel: "危险",
            infoLabel: "信息",
            detailsLabel: "详细信息",
        },
    },
    sitemap: {
        hostname: isCF ? 'https://downeyrem.pages.dev' : 'https://downeyrem.github.io',
        transformItems: (items) => {
            const permalinkItemBak: typeof items = [];
            // 使用永久链接生成 sitemap
            const permalinks = (globalThis as any).VITEPRESS_CONFIG.site.themeConfig
                .permalinks;
            items.forEach((item) => {
                const permalink = permalinks?.map[item.url];
                if (permalink)
                    permalinkItemBak.push({ url: permalink, lastmod: item.lastmod });
            });
            return [...items, ...permalinkItemBak];
        },
    },

    // https://vitepress.dev/reference/default-theme-config
    themeConfig: {
        logo: "/favicon.png",
        siteTitle: "DowneyRem",
        lightModeSwitchTitle: "浅色模式",
        darkModeSwitchLabel: '深色模式',
        sidebarMenuLabel: "菜单",
        returnToTopLabel: "返回顶部",
        lastUpdated: { text: '上次更新'},
        outline: {
            level: [2, 4],
            label: '本页目录'
        },
        editLink: {
            pattern: "https://github.com/DowneyRem/downeyrem.github.io/blob/main/docs/:path",
            text: "在 GitHub 上编辑本文"
        },
        docFooter: {
            prev: '上一页',
            next: '下一页'
        },
        nav: [
            { text: "🏠 首页", link: "/" },
            {
                text: "💎 龙的宝藏",
                items: [
                    { text: "🅿️ Pixiv 书源", link: PIXIVSOURCE },
                    { text: "🐺 兽人阅读", link: "/FurryReading" },
                    { text: "📖 龙的小说", link: "/Novel" },
                    { text: "✅ 龙的教程", link: "/Guild" },
                ],
            },
            {
                text: "📜 龙的话语",
                items: [
                    { text: "📅 龙的日常", link: "/Daily" },
                    { text: "㊙️ 龙的秘密", link: "/Encrypt" },
                    { text: "📚 龙在读书", link: "/Books" },
                    { text: "🐺 龙和兽人", link: "/Furry" },
                ],
            },
            {
                text: "🐾 龙的足迹",
                items: [
                    { text: "📚 文章归档", link: "/archives" },
                    { text: "📃 文章清单", link: "/articleOverview" },
                    { text: "📂 文章分类", link: "/categories" },
                    { text: "#️⃣ 文章标签", link: "/tags" },
                    // { text: "🔐 登录页面", link: "/login" },
                ],
            },
            {
                text: "🐲 关于本龙",
                items: [
                    { text: "🐲 龙的档案", link: "/About" },
                    { text: "🤝 龙的盟友", link: "/FriendLink" },
                    { text: "🍖 投喂本龙", link: "/Sponsor" },
                ],
            },
        ],

        socialLinks: [
            // { icon: "telegram", link: "https://t.me/DowneyRem" },
            { icon: "github", link: "https://github.com/DowneyRem" },
            { icon: "pixiv", link: "https://www.pixiv.net/users/119908520" },
            // { icon: "twitter", link: "https://x.com/DowneyRemDragon" },
        ],
        search: {
            provider: "local",
            options: {
                translations: {
                    button: {
                        buttonText: "搜索文档",
                        buttonAriaLabel: "搜索文档"
                    },
                    modal: {
                        noResultsText: "无法找到相关结果",
                        resetButtonTitle: "清除查询条件",
                        footer: {
                            selectText: "选择",
                            navigateText: "切换",
                            closeText: "Esc 键",
                        }
                    }
                }
            }
        },
        vite: {
            build: {
                assetsInlineLimit: 2048,
            },
            plugins: [llmstxt() as any],
        },
    },
})