'use strict'
const path = require('path')
const arg = process.env.BUILD_MODE
const utils = require('./utils')
const webpack = require('webpack')
const config = require('../config')
const merge = require('webpack-merge')
const baseWebpackConfig = require('./webpack.base.conf')
const CopyWebpackPlugin = require('copy-webpack-plugin')
const HtmlWebpackPlugin = require('html-webpack-plugin')
// const ExtractTextPlugin = require('extract-text-webpack-plugin')
const OptimizeCSSPlugin = require('optimize-css-assets-webpack-plugin')
const ParallelUglifyPlugin = require('webpack-parallel-uglify-plugin')
const fileManagerPlugin = require('filemanager-webpack-plugin')
const WebpackZipPlugin = require('webpack-zip-plugin')
const UglifyJsPlugin = require('uglifyjs-webpack-plugin')
// const GitRevisionPlugin = require('git-revision-webpack-plugin')
const GenerateAssetPlugin = require('generate-asset-webpack-plugin')
const WebpackShellPlugin = require('webpack-shell-plugin')
const HtmlWebpackInlineSourcePlugin = require('html-webpack-inline-source-plugin')
const serverConfig = require('../static/config.json')// 引入根目录下的配置文件
const SpeedMeasurePlugin = require('speed-measure-webpack-plugin')
const CssMinimizerPlugin = require('css-minimizer-webpack-plugin')
const MiniCssExtractPlugin = require('mini-css-extract-plugin')
const TerserPlugin = require('terser-webpack-plugin')
const { VueLoaderPlugin } = require('vue-loader')
// const smp = new SpeedMeasurePlugin();

// const gitRevisionPlugin = new GitRevisionPlugin();
const createJson = function () {
  // serverConfig.version=config.build.version +"-"+gitRevisionPlugin.commithash();
  serverConfig.baseUrl = '/'
  serverConfig.version = serverConfig.version || config.build.version
  return JSON.stringify(serverConfig)
}

const env = require('../config/prod.env')
/* const GenerateAssetPlugin = require('generate-asset-webpack-plugin');
const createConfig = function(compilation){
  let cfgJson={baseUrl:"http://192.168.40.247:8080/nz-admin"};
  return JSON.stringify(cfgJson);
} */
let webpackConfig = {}
if (arg === 'html') {
  webpackConfig = merge(baseWebpackConfig, {
    mode: 'production',
    module: {
      rules: utils.styleLoaders({
        sourceMap: config.build.productionSourceMap,
        extract: true,
        usePostCSS: true
      })
    },
    devtool: config.build.productionSourceMap ? config.build.devtool : false,
    output: {
      path: config.build.assetsRoot,
      filename: utils.assetsPath('js/[name].[chunkhash].js'),
      chunkFilename: utils.assetsPath('js/[name].[chunkhash].js')
    },
    plugins: [
      new VueLoaderPlugin(),
      new webpack.ProvidePlugin({
        introJs: ['intro.js']
      }),
      /* new GenerateAssetPlugin({
        filename: 'config.json',
        fn: (compilation, cb) => {
          cb(null, createConfig(compilation));
        },
        extraFiles: []
      }), */
      // http://vuejs.github.io/vue-loader/en/workflow/production.html
      new webpack.DefinePlugin({
        'process.env': env
      }),
      new MiniCssExtractPlugin({
        filename: utils.assetsPath('css/[name].[contenthash].css'),
        chunkFilename: '[name].[contenthash].css'
      }),
      new UglifyJsPlugin({
        uglifyOptions: {
          compress: {
            warnings: false,
            drop_console: true,
            pure_funcs: ['console.log', 'console.error']
          }
        },
        exclude: /manifest.+js/,
        sourceMap: config.build.productionSourceMap,
        parallel: true
      }),
      // extract css into its own file
      /* new ExtractTextPlugin({
        filename: utils.assetsPath('css/[name].[contenthash].css'),
        // Setting the following option to `false` will not extract CSS from codesplit chunks.
        // Their CSS will instead be inserted dynamically with style-loader when the codesplit chunk has been loaded by webpack.
        // It's currently set to `true` because we are seeing that sourcemaps are included in the codesplit bundle as well when it's `false`,
        // increasing file size: https://github.com/vuejs-templates/webpack/issues/1110
        allChunks: true
      }), */
      // Compress extracted CSS. We are using this plugin so that possible
      // duplicated CSS from different components can be deduped.
      new OptimizeCSSPlugin({
        cssProcessorOptions: config.build.productionSourceMap
          ? { safe: true, map: { inline: false } }
          : { safe: true }
      }),
      // generate dist index.html with correct asset hash for caching.
      // you can customize output by editing /index.html
      // see https://github.com/ampedandwired/html-webpack-plugin
      new HtmlWebpackPlugin({
        favicon: path.resolve(__dirname, '../src/assets/img/favicon.ico'),
        filename: config.build.index,
        template: 'src/entrance/exportHtml/exportHtml.html',
        inlineSource: '.(js|css)$', // embed all javascript and css inline
        hash: false,
        inject: true,
        // minify: {
        //   removeComments: true,
        //   collapseWhitespace: true,
        //   removeAttributeQuotes: true
        //   // more options:
        //   // https://github.com/kangax/html-minifier#options-quick-reference
        // },
        minify: { // 压缩html
          collapseWhitespace: true, // 折叠空白区域
          keepClosingSlash: true, // 保持闭合间隙
          removeComments: true, // 移除注释
          removeRedundantAttributes: true, // 删除冗余属性
          removeScriptTypeAttributes: true, // 删除Script脚本类型属性
          removeStyleLinkTypeAttributes: true, // 删除样式链接类型属性
          useShortDoctype: true, // 使用短文档类型
          preserveLineBreaks: true, // 保留换行符
          minifyCSS: true, // 压缩文内css
          minifyJS: true // 压缩文内js
        },
        // necessary to consistently work with multiple chunks via CommonsChunkPlugin
        chunksSortMode: 'auto',
        chunks: ['exportHtml'],
        excludeChunks: ['app']
      }),
      new HtmlWebpackInlineSourcePlugin(HtmlWebpackPlugin),
      new GenerateAssetPlugin({
        filename: 'static/config.json',
        fn: (compilation, cb) => {
          cb(null, createJson())
        }
      }),
      // keep module.id stable when vendor modules does not change
      new webpack.HashedModuleIdsPlugin(),
      // enable scope hoisting
      new webpack.optimize.ModuleConcatenationPlugin(),
      // split vendor js into its own file
      // new webpack.optimize.CommonsChunkPlugin({
      //   name: 'vendor',
      //   minChunks (module) {
      //     // any required modules inside node_modules are extracted to vendor
      //     return (
      //       module.resource &&
      //       /\.js$/.test(module.resource) &&
      //       module.resource.indexOf(
      //         path.join(__dirname, '../node_modules')
      //       ) === 0
      //     )
      //   }
      // }),
      // extract webpack runtime and module manifest to its own file in order to
      // prevent vendor hash from being updated whenever app bundle is updated
      // new webpack.optimize.CommonsChunkPlugin({
      //   name: 'manifest',
      //   minChunks: Infinity
      // }),
      // This instance extracts shared chunks from code splitted chunks and bundles them
      // in a separate chunk, similar to the vendor chunk
      // see: https://webpack.js.org/plugins/commons-chunk-plugin/#extra-async-commons-chunk
      // new webpack.optimize.CommonsChunkPlugin({
      //   name: 'entrance',
      //   async: 'vendor-async',
      //   children: true,
      //   minChunks: 3
      // }),

      // copy custom static assets
      new CopyWebpackPlugin([
        {
          from: path.resolve(__dirname, '../static'),
          to: config.build.assetsSubDirectory,
          ignore: ['**/Titles/**']
        }
      ])
    ]
    // optimization: {
    //   minimizer: [
    //     new CssMinimizerPlugin(), // 去重压缩css
    //     new TerserPlugin({ // 压缩JS代码
    //       terserOptions: {
    //         compress: {
    //         warnings: false,
    //         drop_console: true,  // 去除console
    //         pure_funcs: ['console.log']
    //         }
    //       },
    //       exclude: /manifest.+js/,
    //       sourceMap: config.build.productionSourceMap,
    //     })
    //   ]
    // }
  })
} else if (arg === 'app') {
  webpackConfig = merge(baseWebpackConfig, {
    mode: 'production',
    module: {
      rules: utils.styleLoaders({
        sourceMap: config.build.productionSourceMap,
        extract: true,
        usePostCSS: true
      })
    },
    devtool: config.build.productionSourceMap ? config.build.devtool : false,
    output: {
      path: config.build.assetsRoot,
      filename: utils.assetsPath('js/[name].[chunkhash].js'),
      chunkFilename: utils.assetsPath('js/[name].[chunkhash].js'),
      publicPath: '/'
    },
    plugins: [
      /* new GenerateAssetPlugin({
        filename: 'config.json',
        fn: (compilation, cb) => {
          cb(null, createConfig(compilation));
        },
        extraFiles: []
      }), */
      new VueLoaderPlugin(),
      // http://vuejs.github.io/vue-loader/en/workflow/production.html
      new webpack.ProvidePlugin({
        introJs: ['intro.js']
      }),
      new webpack.DefinePlugin({
        'process.env': env
      }),
      new MiniCssExtractPlugin({ // 替换 ExtractTextPlugin 用于css抽取
        filename: utils.assetsPath('css/[name].[contenthash].css')
        // chunkFilename: "[name].[contenthash].css"
      }),
      /* new UglifyJsPlugin({
        uglifyOptions: {
          compress: {
            warnings: false,
            drop_console: true,
            pure_funcs: ['console.log']
          }
        },
        exclude: /manifest.+js/,
        sourceMap: config.build.productionSourceMap,
        parallel: true
      }), */
      // extract css into its own file
      /* new ExtractTextPlugin({
        filename: utils.assetsPath('css/[name]_[md5:contenthash:hex:8].css'),
        // Setting the following option to `false` will not extract CSS from codesplit chunks.
        // Their CSS will instead be inserted dynamically with style-loader when the codesplit chunk has been loaded by webpack.
        // It's currently set to `true` because we are seeing that sourcemaps are included in the codesplit bundle as well when it's `false`,
        // increasing file size: https://github.com/vuejs-templates/webpack/issues/1110
        allChunks: true
      }), */
      // Compress extracted CSS. We are using this plugin so that possible
      // duplicated CSS from different components can be deduped.
      // new OptimizeCSSPlugin({
      //   cssProcessorOptions: config.build.productionSourceMap
      //     ? { safe: true, map: { inline: false } }
      //     : { safe: true }
      // }),
      // generate dist index.html with correct asset hash for caching.
      // you can customize output by editing /index.html
      // see https://github.com/ampedandwired/html-webpack-plugin
      new HtmlWebpackPlugin({
        favicon: path.resolve(__dirname, '../src/assets/img/favicon.ico'),
        filename: config.build.index,
        template: 'src/entrance/app/index.html',
        hash: true,
        inject: true,
        minify: {
          removeComments: true,
          collapseWhitespace: true,
          removeAttributeQuotes: true
          // more options:
          // https://github.com/kangax/html-minifier#options-quick-reference
        },
        // necessary to consistently work with multiple chunks via CommonsChunkPlugin
        // chunksSortMode: 'auto',
        excludeChunks: ['exportHtml']
      }),
      new GenerateAssetPlugin({
        filename: 'static/config.json',
        fn: (compilation, cb) => {
          cb(null, createJson())
        }
      }),
      // keep module.id stable when vendor modules does not change
      new webpack.HashedModuleIdsPlugin(),
      // enable scope hoisting
      new webpack.optimize.ModuleConcatenationPlugin(),
      // split vendor js into its own file
      /* new webpack.optimize.CommonsChunkPlugin({
        name: 'vendor',
        minChunks (module) {
          // any required modules inside node_modules are extracted to vendor
          return (
            module.resource &&
            /\.js$/.test(module.resource) &&
            module.resource.indexOf(
              path.join(__dirname, '../node_modules')
            ) === 0
          )
        }
      }),
      // extract webpack runtime and module manifest to its own file in order to
      // prevent vendor hash from being updated whenever app bundle is updated
      new webpack.optimize.CommonsChunkPlugin({
        name: 'manifest',
        minChunks: Infinity
      }),
      // This instance extracts shared chunks from code splitted chunks and bundles them
      // in a separate chunk, similar to the vendor chunk
      // see: https://webpack.js.org/plugins/commons-chunk-plugin/#extra-async-commons-chunk
      new webpack.optimize.CommonsChunkPlugin({
        name: 'app',
        async: 'vendor-async',
        children: true,
        minChunks: 3
      }), */

      // copy custom static assets
      new CopyWebpackPlugin([
        {
          from: path.resolve(__dirname, '../static'),
          to: config.build.assetsSubDirectory,
          ignore: ['**/Titles/**']
        }
      ])
    ],
    optimization: {
      minimizer: [
        new CssMinimizerPlugin(), // 去重压缩css
        new TerserPlugin({ // 压缩JS代码
          terserOptions: {
            compress: {
              warnings: false,
              drop_console: true, // 去除console
              pure_funcs: ['console.log']
            }
          },
          exclude: /manifest.+js/,
          sourceMap: config.build.productionSourceMap
        })
      ],
      splitChunks: { //
        chunks: 'async',
        minSize: 30000,
        maxSize: 0,
        minChunks: 1,
        maxAsyncRequests: 5,
        maxInitialRequests: 3,
        automaticNameDelimiter: '~',
        automaticNameMaxLength: 30
      }
    }
  })
}
if (process.env.NODE_ENV == 'development') {
  webpackConfig.plugins.push(
    new fileManagerPlugin({
      onStart: [
        {
          delete: [path.join(__dirname, '../dist/')]
        }
      ],
      onEnd: [
        {
          move: [
            { source: path.join(__dirname, '../dist', '/static/config.json'), destination: path.join(__dirname, '../dist/config.json') }
            // { source: path.join(__dirname, '../exportHtml', '/snapshot_template.html'), destination: path.join(__dirname, '../dist/snapshot_template.html') }

          ],
          mkdir: [
            path.join(__dirname, '../dist', '/static')
          ],
          copy: [
            { source: path.join(__dirname, '../dist', '/config.json'), destination: path.join(__dirname, '../dist', '/static/config.json') }
          ]
        },
        {
          delete: [
            path.join(__dirname, '../dist', '/config.json')
          ]
        },
        {
          archive: [
            { source: path.join(__dirname, '../dist'), destination: path.join(__dirname, '../dist', '/nz-gui.zip') }
          ]
        }
      ]
    })
  )
} else {
  const plugin = {
    onStart: [
      {
        delete: [path.join(__dirname, '../dist/')]
      }
    ],
    onEnd: [
      {
        move: [
          { source: path.join(__dirname, '../dist', '/static/config.json'), destination: path.join(__dirname, '../dist/config.json') }
          // { source: path.join(__dirname, '../exportHtml', '/snapshot_template.html'), destination: path.join(__dirname, '../dist/snapshot_template.html') }

        ],
        mkdir: [
          path.join(__dirname, '../dist', '/static')
        ],
        copy: [
          { source: path.join(__dirname, '../dist', '/config.json'), destination: path.join(__dirname, '../dist', '/static/config.json') }
        ]
      },
      {
        delete: [
          path.join(__dirname, '../dist', '/config.json'),
          path.join(__dirname, '../dist', '/*.js'),
          path.join(__dirname, '../.cache/')
        ]
      },
      {
        archive: [
          { source: path.join(__dirname, '../dist'), destination: path.join(__dirname, '../dist', '/nz-gui.zip') }
        ]
      }
    ]
  }
  // if (arg === 'html') {
  //   plugin.onStart[0].delete.push(path.join(__dirname, '../exportHtml/'))
  //   plugin.onEnd[0].copy.push(
  //     { source: path.join(__dirname, '../dist', '/index.html'), destination: path.join(__dirname, '../exportHtml', '/snapshot_template.html') }
  //   )
  // }
  webpackConfig.plugins.push(
    new fileManagerPlugin(plugin)
  )
}

if (config.build.productionGzip) {
  const CompressionWebpackPlugin = require('compression-webpack-plugin')

  webpackConfig.plugins.push(
    new CompressionWebpackPlugin({
      asset: '[path].gz[query]',
      algorithm: 'gzip',
      test: new RegExp(
        '\\.(' +
        config.build.productionGzipExtensions.join('|') +
        ')$'
      ),
      threshold: 10240,
      minRatio: 0.8
    })
  )
}

if (config.build.bundleAnalyzerReport) {
  const BundleAnalyzerPlugin = require('webpack-bundle-analyzer').BundleAnalyzerPlugin
  webpackConfig.plugins.push(new BundleAnalyzerPlugin())
}

// webpackConfig = smp.wrap(webpackConfig);

module.exports = webpackConfig