const path = require('path');
const webpack = require('webpack');
const ExtractTextPlugin = require('extract-text-webpack-plugin');
const CaseSensitivePathsPlugin = require('case-sensitive-paths-webpack-plugin');
const deepAssign = require('deep-assign');
const chalk = require('chalk');
const postcssConfig = require('./postcssConfig');
const distFileBaseName = 'antd';
module.exports = function(modules) {
  const pkg = require(path.join(process.cwd(), 'package.json'));
  const babelConfig = require('./getBabelCommonConfig')(modules || false);

  const pluginImportOptions = [
    {
      style: true,
      libraryName: 'antd',
      libraryDirectory: 'components',
    },
  ];

  // if (distFileBaseName !== 'antd') {   pluginImportOptions.push({     style:
  // 'css',     libraryDirectory: 'components',     libraryName: 'antd',   }) }

  babelConfig.plugins.push([require.resolve('babel-plugin-import'), pluginImportOptions]);

  const config = {
    devtool: 'source-map',

    output: {
      path: path.join(process.cwd(), './dist/'),
      filename: '[name].js',
    },

    resolve: {
      modules: ['node_modules', path.join(__dirname, '../node_modules')],
      extensions: ['.js', '.jsx', '.vue', '.md', '.json'],
      alias: {
        vue$: 'vue/dist/vue.esm.js',
        '@': process.cwd(),
      },
    },

    node: [
      'child_process',
      'cluster',
      'dgram',
      'dns',
      'fs',
      'module',
      'net',
      'readline',
      'repl',
      'tls',
    ].reduce((acc, name) => Object.assign({}, acc, { [name]: 'empty' }), {}),

    module: {
      noParse: [/moment.js/],
      rules: [
        {
          test: /\.vue$/,
          exclude: /node_modules/,
          use: [
            {
              loader: 'vue-loader',
              options: {
                loaders: {
                  js: [
                    {
                      loader: 'babel-loader',
                      options: {
                        presets: ['env'],
                        plugins: ['transform-vue-jsx', 'transform-object-rest-spread'],
                      },
                    },
                  ],
                },
              },
            },
          ],
        },
        {
          test: /\.(js|jsx)$/,
          loader: 'babel-loader',
          exclude: /node_modules/,
          options: babelConfig,
        },
        {
          test: /\.css$/,
          use: ExtractTextPlugin.extract({
            use: [
              {
                loader: 'css-loader',
                options: {
                  sourceMap: true,
                },
              },
              {
                loader: 'postcss-loader',
                options: Object.assign({}, postcssConfig, { sourceMap: true }),
              },
            ],
          }),
        },
        {
          test: /\.less$/,
          use: ExtractTextPlugin.extract({
            use: [
              {
                loader: 'css-loader',
                options: {
                  sourceMap: true,
                },
              },
              {
                loader: 'postcss-loader',
                options: Object.assign({}, postcssConfig, { sourceMap: true }),
              },
              {
                loader: 'less-loader',
                options: {
                  sourceMap: true,
                },
              },
            ],
          }),
        },
      ],
    },

    plugins: [
      new ExtractTextPlugin({ filename: '[name].css', disable: false, allChunks: true }),
      new CaseSensitivePathsPlugin(),
      new webpack.BannerPlugin(`
${distFileBaseName} v${pkg.version}

Copyright 2017-present, ant-design-vue.
All rights reserved.
      `),
      new webpack.ProgressPlugin((percentage, msg, addInfo) => {
        const stream = process.stderr;
        if (stream.isTTY && percentage < 0.71) {
          stream.cursorTo(0);
          stream.write(`📦  ${chalk.magenta(msg)} (${chalk.magenta(addInfo)})`);
          stream.clearLine(1);
        } else if (percentage === 1) {
          console.log(chalk.green('\nwebpack: bundle build is now finished.'));
        }
      }),
    ],
  };

  if (process.env.RUN_ENV === 'PRODUCTION') {
    const entry = ['./index'];
    config.entry = {
      [`${distFileBaseName}.min`]: entry,
    };
    config.externals = {
      vue: {
        root: 'Vue',
        commonjs2: 'vue',
        commonjs: 'vue',
        amd: 'vue',
      },
    };
    config.output.library = distFileBaseName;
    config.output.libraryTarget = 'umd';

    const uncompressedConfig = deepAssign({}, config);

    config.plugins = config.plugins.concat([
      new webpack.optimize.UglifyJsPlugin({
        sourceMap: true,
        output: {
          ascii_only: true,
        },
        compress: {
          warnings: false,
        },
      }),
      new webpack.optimize.ModuleConcatenationPlugin(),
      new webpack.LoaderOptionsPlugin({ minimize: true }),
      new webpack.DefinePlugin({
        'process.env.NODE_ENV': JSON.stringify(process.env.NODE_ENV || 'production'),
      }),
    ]);

    uncompressedConfig.entry = {
      [distFileBaseName]: entry,
    };

    uncompressedConfig.plugins.push(
      new webpack.DefinePlugin({
        'process.env.NODE_ENV': JSON.stringify('development'),
      }),
    );

    return [config, uncompressedConfig];
  }

  return config;
};