const webpack = require('webpack');
const ejs = require('ejs');
const MiniCssExtractPlugin = require('mini-css-extract-plugin');
const CopyWebpackPlugin = require('copy-webpack-plugin');
const ExtensionReloader = require('webpack-extension-reloader');
const { VueLoaderPlugin } = require('vue-loader');
const { version, betaRev } = require('./package.json');
const fs = require('fs');

const devConfig = fs.existsSync('./.dev.json')
  ? JSON.parse(fs.readFileSync('./.dev.json').toString())
  : JSON.parse(fs.readFileSync('./.dev.sample.json').toString());

const config = {
  mode: process.env.NODE_ENV,
  context: __dirname + '/src',
  entry: {
    'background': './background/index.js',
    'popup/popup': './popup/popup.js',
    'onboarding/index': './onboarding/index.js',
  },
  output: {
    path: __dirname + '/dist',
    filename: '[name].js',
  },
  resolve: {
    extensions: ['.js', '.vue'],
  },
  module: {
    rules: [
      {
        test: /\.vue$/,
        loaders: 'vue-loader',
      },
      {
        test: /\.js$/,
        loader: 'babel-loader',
        exclude: /node_modules/,
        options: {
            presets: [
              {'plugins': ['@babel/plugin-proposal-class-properties']
            }
          ]
        }
      },
      {
        test: /\.css$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader'],
      },
      {
        test: /\.scss$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader', 'sass-loader'],
      },
      {
        test: /\.sass$/,
        use: [MiniCssExtractPlugin.loader, 'css-loader', 'sass-loader?indentedSyntax'],
      },
      {
        test: /\.(png|jpg|jpeg|gif|svg|ico)$/,
        loader: 'file-loader',
        options: {
          name: '[name].[ext]',
          outputPath: '/images/',
          emitFile: false,
        },
      },
      {
        test: /\.(woff(2)?|ttf|eot|svg)(\?v=\d+\.\d+\.\d+)?$/,
        loader: 'file-loader',
        options: {
          name: '[name].[ext]',
          outputPath: '/fonts/',
          emitFile: false,
        },
      },
    ],
  },
  plugins: [
    new webpack.DefinePlugin({
      global: 'window',
    }),
    new VueLoaderPlugin(),
    new MiniCssExtractPlugin({
      filename: '[name].css',
    }),
    new CopyWebpackPlugin([
      { from: 'icons', to: 'icons', ignore: ['icon.xcf'] },
      { from: 'images', to: 'images' },
      { from: 'content_script', to: 'content_script' },
      { from: 'popup/popup.html', to: 'popup/popup.html', transform: transformHtml },
      { from: 'onboarding/index.html', to: 'onboarding/index.html' },
      {
        from: 'manifest.json',
        to: 'manifest.json',
        transform: (content) => {
          const jsonContent = JSON.parse(content);
          jsonContent.version = version;

          if (config.mode === 'development') {
            jsonContent['content_security_policy'] = "script-src 'self' 'unsafe-eval'; object-src 'self'";
            jsonContent['permissions'] = jsonContent['permissions'].concat(devConfig.permissions);
          }

          if (process.env.BETA) {
            const geckoId = jsonContent['browser_specific_settings'].gecko.id;
            jsonContent['name'] = jsonContent['name'].replace('SimpleLogin', 'SimpleLogin (BETA)');
            jsonContent['icons'] = {
              '48': 'icons/icon_beta_48.png',
              '128': 'icons/icon_beta_128.png'
            };
            jsonContent['version'] = version + '.' + betaRev;
            jsonContent['browser_specific_settings'].gecko.id = geckoId.replace('@', '-beta@');
          }

          return JSON.stringify(jsonContent, null, 2);
        },
      },
    ]),
  ],
};

if (config.mode === 'development') {
  config.plugins = (config.plugins || []).concat([
    new webpack.DefinePlugin({
      'devConfig': JSON.stringify(devConfig),
      'process.env.BETA': JSON.stringify(!!process.env.BETA),
    }),
  ]);
}

if (config.mode === 'production') {
  config.plugins = (config.plugins || []).concat([
    new webpack.DefinePlugin({
      'devConfig': 'null',
      'process.env': {
        'NODE_ENV': '"production"',
        'BETA': JSON.stringify(!!process.env.BETA),
      },
    }),
  ]);
}

if (process.env.HMR === 'true') {
  config.plugins = (config.plugins || []).concat([
    new ExtensionReloader({
      manifest: __dirname + '/src/manifest.json',
      port: 19090
    }),
  ]);
}

function transformHtml(content) {
  return ejs.render(content.toString(), {
    ...process.env,
    devConfig,
  });
}

module.exports = config;