var path = require('path')
var webpack = require('webpack')
const Dotenv = require('dotenv-webpack')
const env = process.env.NODE_ENV

module.exports = {
  entry: './src/main.js',
  output: {
    path: path.resolve(__dirname, './dist'),
    publicPath: '/dist/',
    filename: 'build.js'
  },
  resolve: {
    extensions: ['.js', '.vue'],
    alias: {
      'vue$': 'vue/dist/vue.esm.js',
      'public': path.resolve(__dirname, './public')
    }
  },
  plugins: [
    new Dotenv({
      path: `./.env.${env}`
    })
  ],
  module: {
    rules: [
      {
        test: /\.vue$/,
        loader: 'vue-loader',
        options: {
          loaders: {
            'scss': 'vue-style-loader!css-loader!sass-loader',
            'sass': 'vue-style-loader!css-loader!sass-loader?indentedSyntax'
          }
          // other vue-loader options go here
        }
      },
      {
        test: /\.js$/,
        loader: 'babel-loader',
        exclude: /node_modules/
      },
      {
        test: /\.(png|jpg|gif|svg|woff|woff2|eot|ttf)$/,
        loader: 'file-loader',
        options: {
          objectAssign: 'Object.assign'
        }
      },
      {
        test: /\.css$/,
        loader: ['style-loader', 'css-loader']
      },
      {
        test: /\.styl$/,
        loader: ['style-loader', 'css-loader', 'stylus-loader']
      }
    ]
  },
  devServer: {
    historyApiFallback: true,
    noInfo: true,
    port: 9876
  },
  performance: {
    hints: false
  },
  devtool: '#eval-source-map'
}

if (process.env.NODE_ENV !== 'test' && process.env.NODE_ENV !== 'production') {
  module.exports.module.rules = module.exports.module.rules.concat(
    [{
      test: /\.scss$/,
      use: [{
        loader: "style-loader" // creates style nodes from JS strings
      }, {
        loader: "css-loader" // translates CSS into CommonJS
      }, {
        loader: "sass-loader" // compiles Sass to CSS
      }]
    }]
  )
}

if (process.env.NODE_ENV === 'production') {
  module.exports.devtool = '#source-map'
  // http://vue-loader.vuejs.org/en/workflow/production.html
  module.exports.plugins = (module.exports.plugins || []).concat([
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: '"production"'
      }
    }),
    new webpack.optimize.UglifyJsPlugin({
      sourceMap: true,
      compress: {
        warnings: false
      }
    }),
    new webpack.LoaderOptionsPlugin({
      minimize: true
    })
  ])
}
