'use strict'
const path = require('path')
const defaultSettings = require('./src/settings.js')

// const UglifyJsPlugin = require('uglifyjs-webpack-plugin') // 去掉注释
// const { HashedModuleIdsPlugin } = require('webpack');
// const CompressionWebpackPlugin = require('compression-webpack-plugin'); // 开启压缩

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

const name = defaultSettings.title || 'vue Admin Template' // page title

// If your port is set to 80,
// use administrator privileges to execute the command line.
// For example, Mac: sudo npm run
// You can change the port by the following methods:
// port = 9528 npm run dev OR npm run dev --port = 9528
const port = process.env.port || process.env.npm_config_port || 9528 // dev port
const f = (s) => s.toString().padStart(2, '0')
const d = new Date()
const datestring = d.getFullYear() + f(d.getMonth() + 1) + f(d.getDate()) + f(d.getHours()) + f(d.getMinutes()) + f(d.getSeconds())
const assetsDir = 'static_' + datestring

// All configuration item explanations can be find in https://cli.vuejs.org/config/
module.exports = {
  /**
   * You will need to set publicPath if you plan to deploy your site under a sub path,
   * for example GitHub Pages. If you plan to deploy your site to https://foo.github.io/bar/,
   * then publicPath should be set to "/bar/".
   * In most cases please use '/' !!!
   * Detail: https://cli.vuejs.org/config/#publicpath
   */
  publicPath: '/',
  outputDir: '../Erp3.0/resources',
  assetsDir: assetsDir,
  indexPath: 'index' + datestring + '.html',
  // lintOnSave: process.env.NODE_ENV === 'development',
  lintOnSave: false,
  productionSourceMap: false,
  devServer: {
    port: port,
    open: false,
    overlay: {
      warnings: false,
      errors: true
    },
    proxy: {
      // change xxx-api/login => mock/login
      // detail: https://cli.vuejs.org/config/#devserver-proxy
      [process.env.VUE_APP_BASE_API]: {
        // target: `http://127.0.0.1:${port}/mock`,
        // target: 'http://laravel.test',
        target: process.env.BASE_API,
        changeOrigin: true,
        pathRewrite: {
          ['^' + process.env.VUE_APP_BASE_API]: ''
        }
      }
    }
    // after: require('./mock/mock-server.js')
  },
  chainWebpack(config) {
    config.name = name
    config.resolve.alias.set('@', resolve('src'))
    config.plugins.delete('preload') // TODO: need test
    config.plugins.delete('prefetch') // TODO: need test

    // webpack 会默认给commonChunk打进chunk-vendors，所以需要对webpack的配置进行delete
    config.optimization.delete('splitChunks')

    // set svg-sprite-loader
    config.module
      .rule('svg')
      .exclude.add(resolve('src/icons'))
      .end()
    config.module
      .rule('icons')
      .test(/\.svg$/)
      .include.add(resolve('src/icons'))
      .end()
      .use('svg-sprite-loader')
      .loader('svg-sprite-loader')
      .options({
        symbolId: 'icon-[name]'
      })
      .end()

    // set preserveWhitespace
    config.module
      .rule('vue')
      .use('vue-loader')
      .loader('vue-loader')
      .tap(options => {
        options.compilerOptions.preserveWhitespace = true
        return options
      })
      .end()

    config
      // https://webpack.js.org/configuration/devtool/#development
      .when(process.env.NODE_ENV === 'development',
        config => config.devtool('cheap-source-map')
      )

    config
      .when(process.env.NODE_ENV !== 'development',
        config => {
          // 打包生成文件信息
          // config
          //   .plugin('webpack-bundle-analyzer')
          //   .use(require('webpack-bundle-analyzer').BundleAnalyzerPlugin)

          config
            .plugin('ScriptExtHtmlWebpackPlugin')
            .after('html')
            .use('script-ext-html-webpack-plugin', [{
              // `runtime` must same as runtimeChunk name. default is `runtime`
              inline: /runtime\..*\.js$/
            }])
            .end()
          config
            .optimization.splitChunks({
            chunks: 'all',
            cacheGroups: {
              libs: {
                name: 'chunk-libs',
                test: /[\\/]node_modules[\\/]/,
                priority: 10,
                chunks: 'initial' // only package third parties that are initially dependent
              },
              elementUI: {
                name: 'chunk-elementUI', // split elementUI into a single package
                priority: 20, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                test: /[\\/]node_modules[\\/]_?element-ui(.*)/ // in order to adapt to cnpm采购商品
              },
              echarts: {
                name: 'chunk-echarts', // split elementUI into a single package
                priority: 12, // the weight needs to be larger than libs and app or it will be packaged into libs or app
                test: /[\\/]node_modules[\\/]_?echarts(.*)/ // in order to adapt to cnpm
              },
              commons: {
                name: 'chunk-commons',
                test: resolve('src/components'), // can customize your rules
                minChunks: 3, //  minimum common number
                priority: 5,
                reuseExistingChunk: true
              }
            }
          })
          config.optimization.runtimeChunk('single')
        }
      )
    const publicPath = function(url) {
      return url.replace(/\/?static_\d{14}/, '/static')
    }
    config.module.rule('images')
      .test(/\.(png|jpe?g|gif|webp)(\?.*)?$/)
      .exclude.add(resolve('src/icons'))
      .end()
      .include.add(resolve('src/assets'))
      .end()
      .use('url-loader')
      .loader('file-loader')
      .options({
        name: assetsDir + '/img/[name].[hash:8].[ext]',
        publicPath: publicPath
      })
      .end()

    config.module.rule('fonts')
      .test(/\.(woff|woff2|ttf|eot|svg)(\?v=[0-9]\.[0-9]\.[0-9])?$/)
      .exclude.add(resolve('src/icons'))
      .end()
      .use('url-loader')
      .loader('file-loader')
      .options({
        name: assetsDir + '/fonts/[name].[hash:8].[ext]',
        publicPath: publicPath
      })
      .end()
  }
}