/**
 * electron 打包
 */
const path = require('path');
const rollup = require('rollup');
const argv = require('minimist')(process.argv.slice(2));
const chalk = require('chalk');
const ora = require('ora');
const waitOn = require('wait-on');
const electron = require('electron-connect').server.create({ stopOnClose: true });
require('dotenv').config({ path: path.join(__dirname, '../.env') });
const options = require('./rollup.config');
const net = require('net');
const { URL } = require('url');

const opt = options(argv.env);
const TAG = '[script/build.js]';
const spinner = ora(`${TAG} Electron build...`);

const watchFunc = function () {
  // once here, all resources are available
  const watcher = rollup.watch(opt);
  watcher.on('change', (filename) => {
    const log = chalk.green(`change -- ${filename}`);
    console.log(TAG, log);
  });
  watcher.on('event', (ev) => {
    if (ev.code === 'END') {
      // init-未启动、started-第一次启动、restarted-重新启动
      electron.electronState === 'init' ? electron.start() : electron.restart();
    } else if (ev.code === 'ERROR') {
      console.log(ev.error);
    }
  });
};

const resource = `http://localhost:${process.env.PORT}/index.html`; // 因为 vite 不会重定向到 index.html，所以直接写 index.html 路由。

if (argv.watch) {
  waitOn(
    {
      resources: [resource],
      timeout: 5000,
    },
    (err) => {
      if (err) {
        const { port, hostname } = new URL(resource);
        const serverSocket = net.connect(port || 80, hostname, () => {
          watchFunc();
        });
        serverSocket.on('error', (e) => {
          console.log(err);
          console.log(e);
          process.exit(1);
        });
      } else {
        watchFunc();
      }
    }
  );
} else {
  spinner.start();
  rollup
    .rollup(opt)
    .then((build) => {
      spinner.stop();
      console.log(TAG, chalk.green('Electron build successed.'));
      build.write(opt.output);
    })
    .catch((error) => {
      spinner.stop();
      console.log(`\n${TAG} ${chalk.red('构建报错')}\n`, error, '\n');
    });
}