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

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 || 9012 // dev port
// 使用方式： powershell下执行： $env:VUE_PROXY="http:192.168.0.139:9011"
// const proxy_default = "http://charging.greenbank.com.cn"; // 正式环境
const proxy_default = 'http://218.59.175.31:9030/charging_pile' // 测试环境
// const proxy_default = "http://192.168.0.124:9033"; //许强  admin 123456


// 环境变量
// $env:VUE_PROXY="http://192.168.0.139:9033" // 张琪
// $env:VUE_PROXY="http://192.168.0.195:9033"
// $env:VUE_PROXY="http://192.168.0.204:9033"  //许强
// $env:VUE_PROXY="http://218.59.175.31:9018"

const proxy = process.env.VUE_PROXY || proxy_default
if (!process.env.VUE_PROXY) {
  console.log(
    `环境变量VUE_PROXY未设置, 示例：$env:VUE_PROXY="http:192.168.0.139:9011"`
  )
  console.log(`即将使用默认API代理服务器: ${proxy_default}`)
}
console.log(`当前开发模式下API代理服务器: ${proxy}`)
if (!/^https?:\/\//.test(proxy)) {
  throw Error('无效的代理地址, 代理地址格式为:  http://[host]:[port]/[path]')
}
let baidu_key = 'HZPGe35n6OnaO6i1iX2jkBBCrRcNOkvW' // 测试环境
if (process.env.NODE_ENV === 'production') {
  baidu_key = 'RqbBT2tiS73GEtdLGmSL8huAKj1cFSn0' // 生产环境
}
// 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: 'dist',
  assetsDir: 'static',
  lintOnSave: process.env.NODE_ENV === 'development',
  productionSourceMap: false,
  css: {
    loaderOptions: {
      scss: {
        additionalData: `
        @import "src/styles/base_color_vars.scss";
        @import "src/styles/over_color_vars.scss";
        @import "src/styles/vars.scss";`,
        // element的图标样式乱码问题设置，content:"\e7c7"打包后这样显示才是正常的
        sassOptions: {
          outputStyle: 'expanded'
        }
      }
    }
  },
  devServer: {
    port: port,
    open: true,
    overlay: {
      warnings: false,
      errors: true
    },
    proxy: {
      '/api': {
        target: proxy || proxy_default,
        ws: false,
        changeOrigin: true,
        pathRewrite: {
          '^/api': ''
        }
      }
    }
    // before: require('./mock/mock-server.js')
  },
  configureWebpack: {
    // provide the app's title in webpack's name field, so that
    // it can be accessed in index.html to inject the correct title.
    name: name,
    resolve: {
      alias: {
        '@': resolve('src'),
        '@assets': resolve('./src/assets'),
        '@api': resolve('./src/api'),
        '@components': resolve('./src/components')
      }
    }
  },
  chainWebpack (config) {
    config.plugin('html').tap(args => {
      args[0].baidu_key = baidu_key
      return args
    })
    // it can improve the speed of the first screen, it is recommended to turn on preload
    config.plugin('preload').tap(() => [
      {
        rel: 'preload',
        // to ignore runtime.js
        // https://github.com/vuejs/vue-cli/blob/dev/packages/@vue/cli-service/lib/config/app.js#L171
        fileBlacklist: [/\.map$/, /hot-update\.js$/, /runtime\..*\.js$/],
        include: 'initial'
      }
    ])

    // when there are many pages, it will cause too many meaningless requests
    config.plugins.delete('prefetch')

    // 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()

    config.when(process.env.NODE_ENV !== 'development', config => {
      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
          },
          commons: {
            name: 'chunk-commons',
            test: resolve('src/components'), // can customize your rules
            minChunks: 3, //  minimum common number
            priority: 5,
            reuseExistingChunk: true
          }
        }
      })
      // https:// webpack.js.org/configuration/optimization/#optimizationruntimechunk
      config.optimization.runtimeChunk('single')
    })
  }
}