import * as fs from "fs";
import pluginVue from "@vitejs/plugin-vue";
import { defineConfig } from "vite";

import locales from '../../locales';
import { dependencies } from './package.json';

import meta from '../../package.json';
import pluginJson5 from './vite.json5';
import viteCompression from 'vite-plugin-compression';
import ConditionalCompile from "vite-plugin-conditional-compiler";
import tsconfigPaths from 'vite-tsconfig-paths'

const extensions = [
	".ts",
	".tsx",
	".js",
	".jsx",
	".mjs",
	".json",
	".json5",
	".svg",
	".sass",
	".scss",
	".css",
	".vue",
];

export default defineConfig(({ command, mode }) => {
	fs.mkdirSync(`${__dirname}/../../built`, { recursive: true });
	fs.writeFileSync(`${__dirname}/../../built/meta.json`, JSON.stringify({ version: meta.version }), 'utf-8');

	return {
		base: "/assets/",

		plugins: [
			ConditionalCompile(),
			pluginVue({
				reactivityTransform: true,
			}),
			pluginJson5(),
			tsconfigPaths(),
			// #v-ifdef VITE_CAPACITOR
			// ...
			// #v-else
			viteCompression({
				algorithm: "brotliCompress",
			}),
			// #v-endif
		],

		resolve: {
			extensions,
			alias: {
				'@/': `${__dirname}/src/`,
				'/client-assets/': `${__dirname}/assets/`,
				'/static-assets/': `${__dirname}/../backend/assets/`,
			},
		},

		define: {
			_VERSION_: JSON.stringify(meta.version),
			_LANGS_: JSON.stringify(
				Object.entries(locales).map(([k, v]) => [k, v._lang_]),
			),
			_ENV_: JSON.stringify(process.env.NODE_ENV),
			_DEV_: process.env.NODE_ENV !== "production",
			_PERF_PREFIX_: JSON.stringify("Misskey:"),
			_DATA_TRANSFER_DRIVE_FILE_: JSON.stringify("mk_drive_file"),
			_DATA_TRANSFER_DRIVE_FOLDER_: JSON.stringify("mk_drive_folder"),
			_DATA_TRANSFER_DECK_COLUMN_: JSON.stringify("mk_deck_column"),
			__VUE_OPTIONS_API__: true,
			__VUE_PROD_DEVTOOLS__: false,
		},

		build: {
			target: [
				'es2017',
			],
			manifest: 'manifest.json',
			rollupOptions: {
				input: {
					index: 'index.html',
					app: './src/init.ts',
				},
				output: {
					manualChunks: {
						vendor: ['vue'],
					}
				},
			},
			cssCodeSplit: true,
			assetsInlineLimit: 0,
			outDir: `${__dirname}/../../built/_client_dist_`,
			assetsDir: '.',
			emptyOutDir: false,
			sourcemap: process.env.NODE_ENV === "development",
			reportCompressedSize: false,
			commonjsOptions: {
				include: [/calckey-js/, /node_modules/],
			},
		},
		optimizeDeps: {
			auto: true,
		},
	};
});