import { resolve } from 'node:path'
import process from 'node:process'

import tailwindcss from '@tailwindcss/vite'
import vue from '@vitejs/plugin-vue'
import IconsResolver from 'unplugin-icons/resolver'
import Icons from 'unplugin-icons/vite'
import Components from 'unplugin-vue-components/vite'
import { defineConfig } from 'vite'

import { ensureBrandAssets } from '@open-pencil/brand-tools'
import { ensureDemoDocument } from '@open-pencil/demo-tools'

import packageJson from './package.json'
import { viteBuildTarget } from './src/app/shell/support/baseline'
import { createOpenPencilAliases } from './vite/aliases'
import {
  localAutomationRoute,
  localAutomationToken,
  openPencilAutomationPlugin
} from './vite/automation'
import { copyCanvasKitAssetsPlugin } from './vite/canvaskit-assets'
import { aiIconCollection } from './vite/icons'
import { openPencilPwaPlugin } from './vite/pwa'
import { rawMarkdownPlugin } from './vite/raw-markdown'
import { createDevServerOptions } from './vite/server'

const host = process.env.TAURI_DEV_HOST
const automationRoute = localAutomationRoute(host)

export default defineConfig(async ({ command }) => {
  await Promise.all([ensureBrandAssets(['web']), ensureDemoDocument()])
  return {
    resolve: {
      alias: createOpenPencilAliases(__dirname)
    },
    define: {
      __OPENPENCIL_APP_VERSION__: JSON.stringify(packageJson.version),
      __OPENPENCIL_LOCAL_AUTOMATION_TOKEN__: JSON.stringify(localAutomationToken(command)),
      __OPENPENCIL_LOCAL_AUTOMATION_URL__: JSON.stringify(automationRoute.browserURL),
      __OPENPENCIL_LOCAL_AUTOMATION_HTTP_URL__: JSON.stringify(
        automationRoute.browserURL.replace(/^ws/, 'http')
      )
    },
    // Dynamic browser fixtures must not trigger a dependency-optimizer reload mid-test.
    optimizeDeps: { include: ['ai/test'] },
    plugins: [
      rawMarkdownPlugin(),
      copyCanvasKitAssetsPlugin(),
      tailwindcss(),
      Icons({ compiler: 'vue3', customCollections: { ai: aiIconCollection() } }),
      Components({ resolvers: [IconsResolver({ prefix: 'icon', customCollections: ['ai'] })] }),
      openPencilAutomationPlugin(command, host),
      vue(),
      openPencilPwaPlugin()
    ],
    clearScreen: false,
    build: {
      // Syntax is lowered to the supported browser baseline; APIs are not polyfilled.
      target: viteBuildTarget(),
      chunkSizeWarningLimit: 2500,
      rolldownOptions: {
        // The desktop Software Update window is its own page.
        input: {
          main: resolve(__dirname, 'index.html'),
          updater: resolve(__dirname, 'updater.html')
        }
      }
    },
    server: createDevServerOptions(host, __dirname)
  }
})