import type { Plugin } from 'vite'

import tailwindcss from '@tailwindcss/vite'
import vue from '@vitejs/plugin-vue'
import vueJsx from '@vitejs/plugin-vue-jsx'
import process from 'node:process'
import { fileURLToPath, URL } from 'node:url'
import { visualizer } from 'rollup-plugin-visualizer'
import AutoImport from 'unplugin-auto-import/vite'
import Component from 'unplugin-vue-components/vite'
import { defineConfig } from 'vite'
import vueDevTools from 'vite-plugin-vue-devtools'
import Layouts from 'vite-plugin-vue-layouts'
import { VueRouterAutoImports } from 'vue-router/unplugin'
import VueRouter from 'vue-router/vite'

const RouteGenerateExclude = ['**/components/**', '**/layouts/**', '**/data/**', '**/types/**']

function siteConfigPlugin(): Plugin {
  return {
    name: 'vite-plugin-site-config',
    enforce: 'pre',
    transformIndexHtml: {
      order: 'pre',
      handler: async (html) => {
        const apiBase = process.env.VITE_API_BASE || 'http://localhost:8080'
        let settings: Record<string, string> = {}

        try {
          const response = await fetch(`${apiBase}/api/v1/settings`)
          const data = await response.json() as { code?: number, data?: { basic?: { siteName?: string, siteDescription?: string, siteKeywords?: string, logoLight?: string, logoDark?: string, favicon?: string } } }
          if (data.code === 200 && data.data && data.data.basic) {
            settings = data.data.basic
          }
        }
        catch {
          console.log('Failed to fetch site settings, using defaults')
        }

        const siteName = settings.siteName || '网络验证'
        const siteDescription = settings.siteDescription || '专业的应用验证平台'
        const siteKeywords = settings.siteKeywords || '验证平台,软件授权,卡密验证'
        const logoLight = settings.logoLight || ''
        const logoDark = settings.logoDark || ''
        const favicon = settings.favicon || ''

        html = html.replace(/\{\{\.SiteName\}\}/g, siteName)
        html = html.replace(/\{\{\.SiteDescription\}\}/g, siteDescription)
        html = html.replace(/\{\{\.SiteKeywords\}\}/g, siteKeywords)
        html = html.replace(/\{\{\.LogoLight\}\}/g, logoLight)
        html = html.replace(/\{\{\.LogoDark\}\}/g, logoDark)
        html = html.replace(/\{\{\.Favicon\}\}/g, favicon)

        return html
      },
    },
  }
}

export default defineConfig({
  plugins: [
    siteConfigPlugin(),
    VueRouter({
      exclude: RouteGenerateExclude,
      dts: 'src/types/route-map.d.ts',
    }),
    vue(),
    vueJsx(),
    vueDevTools(),
    tailwindcss(),
    visualizer({ gzipSize: true, brotliSize: true }),
    Layouts({
      defaultLayout: 'default',
    }),
    AutoImport({
      include: [
        /\.[tj]sx?$/,
        /\.vue$/,
      ],
      imports: [
        'vue',
        VueRouterAutoImports,
      ],
      dirs: [
        'src/composables/**/*.ts',
        'src/constants/**/*.ts',
        'src/stores/**/*.ts',
      ],
      defaultExportByFilename: true,
      dts: 'src/types/auto-import.d.ts',
    }),
    Component({
      dirs: [
        'src/components',
      ],
      collapseSamePrefixes: true,
      directoryAsNamespace: true,
      dts: 'src/types/auto-import-components.d.ts',
    }),
  ],
  resolve: {
    alias: {
      '@': fileURLToPath(new URL('./src', import.meta.url)),
    },
  },
  build: {
    rollupOptions: {
      output: {
        chunkFileNames: (chunkInfo) => {
          const name = chunkInfo.name?.replace(/^_+/, '') || 'chunk'
          return `assets/${name}-[hash].js`
        },
        entryFileNames: 'assets/[name]-[hash].js',
        assetFileNames: 'assets/[name]-[hash].[ext]',
        manualChunks(id) {
          if (id.includes('node_modules/echarts/') || id.includes('node_modules\\echarts\\')) {
            return 'echarts'
          }
          if (id.includes('node_modules/chart.js/') || id.includes('node_modules\\chart.js\\')) {
            return 'chart'
          }
          if (id.includes('node_modules/vue/') || id.includes('node_modules/vue-router/') || id.includes('node_modules/vue-i18n/') || id.includes('node_modules/pinia/') || id.includes('node_modules/@vueuse/')) {
            return 'vue-vendor'
          }
          if (id.includes('node_modules/reka-ui/') || id.includes('node_modules/class-variance-authority/') || id.includes('node_modules/clsx/') || id.includes('node_modules/tailwind-merge/') || id.includes('node_modules/lucide-vue-next/')) {
            return 'ui-vendor'
          }
          if (id.includes('node_modules/vee-validate/') || id.includes('node_modules/@vee-validate/') || id.includes('node_modules/zod/')) {
            return 'form-vendor'
          }
          if (id.includes('node_modules/@tanstack/')) {
            return 'table-vendor'
          }
        },
      },
    },
  },
  server: {
    proxy: {
      '/api': {
        target: 'http://localhost:8080',
        changeOrigin: true,
      },
      '/uploads': {
        target: 'http://localhost:8080',
        changeOrigin: true,
      },
    },
  },
  esbuild: {
    drop: ['debugger'],
    pure: ['console.log'],
  },
  optimizeDeps: {
    exclude: ['echarts', 'chart.js'],
  },
})