const path = require('path');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const webpack = require('webpack');
const ReactRefreshWebpackPlugin = require('@pmmmwh/react-refresh-webpack-plugin');
require('dotenv').config();

module.exports = {
  entry: './client/src/index.js',
  output: {
    path: path.resolve(__dirname, 'dist'),
    filename: 'bundle.js',
    publicPath: '/',
  },
  module: {
    rules: [
      {
        test: /\.js$/,
        exclude: /node_modules/,
        use: {
          loader: 'babel-loader',
          options: {
            presets: ['@babel/preset-env', '@babel/preset-react'],
            plugins: [
              process.env.NODE_ENV === 'development' && require.resolve('react-refresh/babel')
            ].filter(Boolean),
          },
        },
      },
      {
        test: /\.css$/,
        use: ['style-loader', 'css-loader'],
      },
    ],
  },
  plugins: [
    new HtmlWebpackPlugin({
      template: './client/public/index.html',
      templateParameters: {
        REACT_APP_GOOGLE_CLIENT_ID: process.env.GOOGLE_CLIENT_ID || 'your_google_client_id_here',
      },
    }),
    new webpack.DefinePlugin({
      'process.env': {
        NODE_ENV: JSON.stringify(process.env.NODE_ENV || 'development'),
        REACT_APP_GOOGLE_CLIENT_ID: JSON.stringify(process.env.GOOGLE_CLIENT_ID),
      },
    }),
    ...(process.env.NODE_ENV === 'development' ? [new ReactRefreshWebpackPlugin()] : []),
  ],
  devServer: {
    static: {
      directory: path.join(__dirname, 'client/public'),
    },
    compress: true,
    port: 5001,
    hot: true,
    historyApiFallback: true,
    allowedHosts: 'all',
    host: '0.0.0.0',
    client: {
      webSocketURL: 'auto://0.0.0.0:0/ws',
    },
    headers: {
      'Access-Control-Allow-Origin': '*',
      'Access-Control-Allow-Methods': 'GET, POST, PUT, DELETE, PATCH, OPTIONS',
      'Access-Control-Allow-Headers': 'X-Requested-With, content-type, Authorization',
    },
    proxy: {
      '/api': {
        target: 'http://localhost:5000',
        changeOrigin: true,
      },
    },
  },
  resolve: {
    extensions: ['.js', '.jsx'],
  },
};