'use strict'

process.env.BABEL_ENV = 'main'

const path = require('path')
const { dependencies } = require('../package.json')
const webpack = require('webpack')

const CopyWebpackPlugin = require('copy-webpack-plugin')
const MinifyPlugin = require('babel-minify-webpack-plugin')

let mainConfig = {
  entry: {
    main: path.join(__dirname, '../src/main/index.ts')
  },
  externals: [...Object.keys(dependencies || {})],
  module: {
    rules: [
      {
        test: /\.(js|ts)$/,
        enforce: 'pre',
        exclude: /node_modules/,
        use: {
          loader: 'eslint-loader',
          options: {
            formatter: require('eslint-friendly-formatter')
          }
        }
      },
      {
        test: /\.ts$/,
        exclude: /node_modules/,
        loader: 'ts-loader'
      },
      {
        test: /\.js$/,
        use: 'babel-loader',
        exclude: /node_modules/
      },
      {
        test: /\.node$/,
        use: 'node-loader'
      },
      {
        test: /\.json$/,
        exclude: /node_modules/,
        use: 'json-loader',
        type: 'javascript/auto'
      }
    ]
  },
  node: {
    __dirname: process.env.NODE_ENV !== 'production',
    __filename: process.env.NODE_ENV !== 'production'
  },
  output: {
    filename: '[name].js',
    libraryTarget: 'commonjs2',
    path: path.join(__dirname, '../dist/electron')
  },
  plugins: [
    new webpack.NoEmitOnErrorsPlugin(),
    new CopyWebpackPlugin([
      {
        from: path.join(__dirname, '../src/config/locales'),
        to: path.join(__dirname, '../dist/electron/locales'),
        ignore: ['.*', '*~']
      }
    ])
  ],
  resolve: {
    alias: {
      // Same as tsconfig.json
      '@': path.join(__dirname, '../src/renderer'),
      '~': path.join(__dirname, '../')
    },
    extensions: ['.js', '.json', '.node', '.ts']
  },
  target: 'electron-main'
}

/**
 * Adjust mainConfig for development settings
 */
if (process.env.NODE_ENV !== 'production') {
  mainConfig.plugins.push(
    new webpack.DefinePlugin({
      __static: `"${path.join(__dirname, '../static').replace(/\\/g, '\\\\')}"`
    })
  )
}

/**
 * Adjust mainConfig for production settings
 */
if (process.env.NODE_ENV === 'production') {
  mainConfig.plugins.push(
    new MinifyPlugin(),
    new webpack.DefinePlugin({
      'process.env.NODE_ENV': '"production"'
    })
  )
}

module.exports = mainConfig