import { fileURLToPath, URL } from 'node:url'

import { defineConfig } from 'vite'
import vue from '@vitejs/plugin-vue'
import vueDevTools from 'vite-plugin-vue-devtools'
import { visualizer } from 'rollup-plugin-visualizer'

import packageJson from './package.json'
import metadata from './public/oauth-client-metadata.json' with { type: 'json' }

const SERVER_HOST = '127.0.0.1'
const SERVER_PORT = 5173

export default defineConfig({
	plugins: [
		vue(),
		visualizer({ filename: '_keep/stats.html' }),
		vueDevTools(),
		{
			name: 'oauth-config',
			config(_conf, { command }) {
				if (command === 'build') {
					process.env.VITE_OAUTH_CLIENT_ID = metadata.client_id
					process.env.VITE_OAUTH_REDIRECT_URI = metadata.redirect_uris[0]
				} else {
					const redirectUri = `http://${SERVER_HOST}:${SERVER_PORT}${new URL(metadata.redirect_uris[0]).pathname}`
					process.env.VITE_OAUTH_CLIENT_ID =
						`http://localhost?redirect_uri=${encodeURIComponent(redirectUri)}` +
						`&scope=${encodeURIComponent(metadata.scope)}`
					process.env.VITE_OAUTH_REDIRECT_URI = redirectUri
				}
				process.env.VITE_OAUTH_SCOPE = metadata.scope
			},
		},
	],
	define: {
		__APP_VERSION__: JSON.stringify(packageJson.version),
	},
	resolve: {
		alias: {
			'@': fileURLToPath(new URL('./src', import.meta.url)),
		},
	},
})