const path = require('path')
const webpack = require('webpack')
const GitRevisionPlugin = require('git-revision-webpack-plugin')
const GitRevision = new GitRevisionPlugin()
const buildDate = JSON.stringify(new Date().toLocaleString())
const createThemeColorReplacerPlugin = require('./config/plugin.config')
const CompressionWebpackPlugin = require('compression-webpack-plugin')
const productionGzipExtensions = ['js', 'css']

function resolve (dir) {
  return path.join(__dirname, dir)
}

// check Git
function getGitHash () {
  try {
    return GitRevision.version()
  } catch (e) { }
  return 'unknown'
}

const isProd = process.env.NODE_ENV === 'production'

const assetsCDN = {
  // webpack build externals
  externals: {
    vue: 'Vue',
    'vue-router': 'VueRouter',
    vuex: 'Vuex',
    axios: 'axios'
  },
  css: [],
  // https://unpkg.com/browse/vue@2.6.10/
  js: [
    '//cdn.jsdelivr.net/npm/vue@2.6.10/dist/vue.min.js',
    '//cdn.jsdelivr.net/npm/vue-router@3.1.3/dist/vue-router.min.js',
    '//cdn.jsdelivr.net/npm/vuex@3.1.1/dist/vuex.min.js',
    '//cdn.jsdelivr.net/npm/axios@0.19.0/dist/axios.min.js'
  ]
}

// vue.config.js
const vueConfig = {
  configureWebpack: {
    // 开启调试
    // devtool: 'cheap-module-source-map',
    devtool: 'source-map',
    name: 'name',
    resolve: {
      alias: {
        '@': resolve('src')
      }
    },
    module: {
      rules: [
        // ...其他规则
        {
          test: /\.psd$/,
          use: 'ignore-loader', // 或者干脆不包括此规则
          exclude: /node_modules/,
        },
      ],
    },
    // webpack plugins
    plugins: [
      // Ignore all locale files of moment.js
      new webpack.IgnorePlugin(/^\.\/locale$/, /moment$/),
      new webpack.DefinePlugin({
        APP_VERSION: `"${require('./package.json').version}"`,
        GIT_HASH: JSON.stringify(getGitHash()),
        BUILD_DATE: buildDate
      }),
      // 配置compression-webpack-plugin压缩
      new CompressionWebpackPlugin({
        algorithm: 'gzip',
        test: new RegExp('\\.(' + productionGzipExtensions.join('|') + ')$'),
        threshold: 10240,
        minRatio: 0.8
      })
    ],
    // if prod, add externals
    externals: isProd ? assetsCDN.externals : {}
  },

  chainWebpack: (config) => {
    config.resolve.alias
      .set('@$', resolve('src'))
      .set('@assets', resolve('src/assets'))
      .set('@views', resolve('src/views'))

    const svgRule = config.module.rule('svg')
    svgRule.uses.clear()
    svgRule
      .oneOf('inline')
      .resourceQuery(/inline/)
      .use('vue-svg-icon-loader')
      .loader('vue-svg-icon-loader')
      .end()
      .end()
      .oneOf('external')
      .use('file-loader')
      .loader('file-loader')
      .options({
        name: 'assets/[name].[hash:8].[ext]'
      })

    // if prod is on
    // assets require on cdn
    if (isProd) {
      config.plugin('html').tap(args => {
        args[0].cdn = assetsCDN
        return args
      })
    }
  },

  css: {
    loaderOptions: {
      less: {
        modifyVars: {
          // less vars，customize ant design theme
          'primary-color': '#2f54eb'
          // 'link-color': '#F5222D',
          // 'border-radius-base': '2px'
        },
        // DO NOT REMOVE THIS LINE
        javascriptEnabled: true
      }
    }
  },
  // 设置代理
  devServer: {
    // host: '0.0.0.0',
    // 自定义端口
    port: process.env.VUE_APP_BASE_PORT,
    // false关闭https，true为开启
    https: false,
    // 自动打开浏览器
    open: true,
    // If you want to turn on the proxy, please remove the mockjs /src/main.jsL11
    proxy: {
      // detail: https://cli.vuejs.org/config/#devserver-proxy
      [process.env.VUE_APP_BASE_API]: {
        // target: 'http://localhost:8080',
        // target: `http://172.19.5.227:8080`,
        target: process.env.VUE_APP_BASE_URL,
        // 如果要代理 websockets
        ws: true,
        changeOrigin: true,
        // 重写路径，这种是没有我们定义的前缀
        pathRewrite: {
          ['^' + process.env.VUE_APP_BASE_API]: ''
        }
      },
      // '/permission':{
      //   target: process.env.RUNNERGO_API_URL,
      //   changeOrigin: true,
      // }
    },
    disableHostCheck: true // 增加该设置是为了解决使用外网映射工具映射时报错--可以删除
  },

  // disable source map in production
  productionSourceMap: false,
  lintOnSave: false,
  // babel-loader no-ignore node_modules/*
  transpileDependencies: []
}

// preview.pro.loacg.com only do not use in your production;
if (process.env.VUE_APP_PREVIEW === 'true') {
  console.log('VUE_APP_PREVIEW', true)
  // add `ThemeColorReplacer` plugin to webpack plugins
  vueConfig.configureWebpack.plugins.push(createThemeColorReplacerPlugin())
}

module.exports = vueConfig