'use strict'
const path = require('path')
const FileManagerPlugin = require('filemanager-webpack-plugin')

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

function tryGetVariantFromEnv() {
  // 从 argv 获取 variant 参数
  const args = process.argv.slice(2);
  let variant;

  // 从 npm run dev -- --variant=xx 取
  let variantItem = args.find(element => element.startsWith("--variant="));
  if (variantItem) {
    variant = variantItem.split("=")[1]
  }

  // 从 vue-cli-service serve --mode staging --variant merchant_1 取
  let variantIndex = args.indexOf('--variant');
  if (variantIndex !== -1 && args[variantIndex + 1]) {
    variant = args[variantIndex + 1];
  }

  if (variant) {
    try {
      const o = require(`./build/${variant}.variant`);
      return o;
    } catch (e) {
      console.error(`未获取到 ${variant} 变体, 检查是否存在 /build/${variant}.variant.js 文件`);
    }
  }
  return require("./build/[fallback].variant");
}

const APP_VARIANT_DEFINED = tryGetVariantFromEnv();

const CompressionPlugin = require('compression-webpack-plugin')

const name = APP_VARIANT_DEFINED.PAGE_TITLE // 网页标题

const port = process.env.port || process.env.npm_config_port || 80 // 端口

// vue.config.js 配置说明
//官方vue.config.js 参考文档 https://cli.vuejs.org/zh/config/#css-loaderoptions
// 这里只列一部分，具体配置参考文档
module.exports = {
  // 部署生产环境和开发环境下的URL。
  // 默认情况下，Vue CLI 会假设你的应用是被部署在一个域名的根路径上
  // 例如 https://www.ruoyi.vip/。如果应用被部署在一个子路径上，你就需要用这个选项指定这个子路径。例如，如果你的应用被部署在 https://www.ruoyi.vip/admin/，则设置 baseUrl 为 /admin/。
  publicPath: process.env.NODE_ENV === "production" ? "/" : "/",
  // 在npm run build 或 yarn build 时 ，生成文件的目录名称（要和baseUrl的生产环境路径一致）（默认dist）
  outputDir: 'dist',
  // 用于放置生成的静态资源 (js、css、img、fonts) 的；（项目打包之后，静态资源会放在这个文件夹下）
  assetsDir: 'static',
  // 是否开启eslint保存检测，有效值：ture | false | 'error'
  lintOnSave: process.env.NODE_ENV === 'development',
  // 如果你不需要生产环境的 source map，可以将其设置为 false 以加速生产环境构建。
  productionSourceMap: false,
  // webpack-dev-server 相关配置
  devServer: {
    host: '0.0.0.0',
    port: port,
    open: true,
    proxy: {
      // detail: https://cli.vuejs.org/config/#devserver-proxy
      [process.env.VUE_APP_BASE_API]: {
        target: `http://192.168.31.182:8088/`,
        changeOrigin: true,
        pathRewrite: {
          ['^' + process.env.VUE_APP_BASE_API]: ''
        }
      }
    },
    disableHostCheck: true
  },
  css: {
    loaderOptions: {
      sass: {
        sassOptions: {
          outputStyle: "expanded"
        }
      }
    }
  },
  configureWebpack: {
    name: name,
    resolve: {
      alias: {
        '@': resolve('src')
      }
    },
    plugins: [
      // http://doc.ruoyi.vip/ruoyi-vue/other/faq.html#使用gzip解压缩静态文件
      new CompressionPlugin({
        cache: false, // 不启用文件缓存
        test: /\.(js|css|html)?$/i, // 压缩文件格式
        filename: '[path].gz[query]', // 压缩后的文件名
        algorithm: 'gzip', // 使用gzip压缩
        minRatio: 0.8 // 压缩率小于1才会压缩
      })
    ],
  },
  chainWebpack(config) {
    config.plugins.delete('preload') // TODO: need test
    config.plugins.delete('prefetch') // TODO: need test

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

      config.plugin('define').tap(definitions => {
        definitions[0].APP_VARIANT_DEFINED = JSON.stringify(APP_VARIANT_DEFINED)
        return definitions
      })

    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
                }
              }
            })
          config.optimization.runtimeChunk('single'), {
            from: path.resolve(__dirname, './public/robots.txt'), //防爬虫文件
            to: './' //到根目录下
          }
          config.plugin('fileManager')
            .use(FileManagerPlugin)
            .tap(args => {
              let env = process.env["ENV"];
              const fileName = env === 'production' ? '生产环境' : '开发环境'
              const disDir = 'dist'

              // 获取当前时间的可读
              const date = new Date()
              const year = date.getFullYear()
              const month = date.getMonth() + 1
              const day = date.getDate()
              const hour = date.getHours()
              const minute = date.getMinutes()
              const second = date.getSeconds()
              const zipFileName = `卡卡管理后台-${fileName}-${year}-${month}-${day}-${hour}-${minute}-${second}`

              return [
                {
                  events: {
                    onEnd: {
                      archive: [ // 选择文件夹将之打包成xxx.zip并放在根目录
                        {source: `./${disDir}`, destination: `./archives/${zipFileName}.zip`}
                      ]
                    }
                  }
                }
              ]
            })

        }
      )
  }
}