'use strict'
require('./check-versions')()
const fs = require('fs');

process.env.NODE_ENV = 'production'

const ora = require('ora')
const rm = require('rimraf')
const path = require('path')
const chalk = require('chalk')
const webpack = require('webpack')
const config = require('../config')
const webpackConfig = require('./webpack.prod.conf')

const spinner = ora('building for production...')
spinner.start()

rm(path.join(config.build.assetsRoot, config.build.assetsSubDirectory), err => {
  if (err) throw err
    webpack(webpackConfig, function (err, stats) {
      spinner.stop()
      if (err) throw err
        process.stdout.write(stats.toString({
          colors: true,
          modules: false,
          children: false,
          chunks: false,
          chunkModules: false
        }) + '\n\n')

      if (stats.hasErrors()) {
        console.log(chalk.red('  Build failed with errors.\n'))
        process.exit(1)
      }

      console.log(chalk.cyan('  Build complete.\n'))
      console.log(chalk.yellow(
        '  Tip: built files are meant to be served over an HTTP server.\n' +
        '  Opening index.html over file:// won\'t work.\n'
        ))

        const fs = require('fs');

      const git_hash = () => {
        try {
          const rev = fs.readFileSync('.git/HEAD').toString().trim().split(/.*[: ]/).slice(-1)[0];
          if (rev.indexOf('/') === -1) {
            return rev;
          } else {
            return fs.readFileSync('.git/' + rev).toString().trim();
          }
        } catch (e) {
          // eslint-disable-next-line no-console
          console.log(e);
          return 'git_hash_error';
        }
      }

      const git_branch = () => {
        try {
          const revBase = fs.readFileSync('.git/HEAD').toString().trim()
          return revBase.split('refs/heads/')[1]
        }catch (e) {
          // eslint-disable-next-line no-console
          console.log(e);
          return 'git_branch_error';
        }
      }

      const getVersion = () => {
        const raw = fs.readFileSync('./package.json').toString();
        const packageJson = JSON.parse(/{[\s\S]*}/mg.exec(raw)[0]);
        // eslint-disable-next-line no-console
        // console.log(packageJson.version);
        return packageJson.version;
      }

      const PROJECT_NAME = '追迹者-第三方支付数据分析'
      const GIT_COMMIT = git_hash()
      const TICK = getVersion();
      const BUILD_TIME_BASE = new Date(new Date().getTime() + 28800000)
      const BUILD_TIME = BUILD_TIME_BASE.toUTCString()
      // console.log(BUILD_TIME_BASE.toLocaleString(),BUILD_TIME_BASE.getFullYear(),BUILD_TIME_BASE.getMonth()+1,BUILD_TIME_BASE.getDate())

      console.log(chalk.red(`PROJECT_NAME: ${PROJECT_NAME}`));
      console.log(chalk.red('BUILD_TIME:', BUILD_TIME))
      console.log(chalk.red('GIT_COMMIT:', GIT_COMMIT))
      console.log(chalk.red('GIT_BRANCH:', git_branch()))
      console.log(chalk.red('FILE_NAME:', PROJECT_NAME+'版'+TICK+'-('+git_branch()+')-'+GIT_COMMIT.slice(0, 8)+'('+BUILD_TIME+')'))
      console.log(chalk.red('TICK:', TICK))
      let html = fs.readFileSync('dist/index.html').toString();
      html += '\r\n<!-- ';
      html = html + '\r\n PROJECT_NAME: ' + PROJECT_NAME + ';';
      html = html + '\r\n BUILD_TIME:' + BUILD_TIME + '; ';
      html = html + '\r\n GIT_BRANCH:' + git_branch() + '; ';
      html = html + '\r\n GIT_COMMIT:' + GIT_COMMIT + '; ';
      html = html + '\r\n TICK:' + TICK + '; ';
      html += '\r\n -->';

      html = html.replace('VUE_APP_SHORT_VERSION_NAME', TICK);

      fs.writeFileSync('dist/index.html', html);
      // eslint-disable-next-line no-console
      console.log(chalk.green(`insert timestamp and env into index.html.`));


    })
})