require('dotenv').config();
const path = require('path');
const webpack = require('webpack'); //e.g. for iusing DefinePlugin
// var helpers = require('./helpers');
const TerserPlugin = require('terser-webpack-plugin');
const MiniCssExtractPlugin = require("mini-css-extract-plugin");

/**
 * flag Used to check if the environment is production or not
 */
 const isProduction = false; //(process.env.NODE_ENV === 'production');
 const devMode = (process.env.NODE_ENV !== 'production');

 /**
 * Include hash to filenames for cache busting - only at production
 */
const fileNamePrefix = isProduction ? '[chunkhash].' : '';

module.exports = {
	// mode: process.env.NODE_ENV,
	context: __dirname,
	// entry: './src/main.ts',
	entry: {
		// vendor: './src/vendor.ts',
		polyfills: './src/polyfills.ts',
		main: './src/main.ts',
		// styles: "./src/app/styles.css"
	},
	output: {
		path: path.resolve(__dirname, 'dist'),
		filename: '[name].' + fileNamePrefix + 'js',
		//filename: fileNamePrefix + '[name].js',  // css loader will process all @import and url() with help of require()
		publicPath: '/dist/',
	},
	devServer: {
		contentBase: path.resolve(__dirname),
		publicPath: "/", //should provide the path of the served js , img , etc...
		writeToDisk: true,
		compress: true,
		port: 8080,
		open: true,
	},
	module: {
		rules: [

			  {
			    // test: /\.js$/,
			    test: /\.(js|jsx|tsx|ts)$/,
			    exclude: /(node_modules|bower_components)/,               
			    use: 
			        [
			        {
			            loader: 'babel-loader',
			            // options: { configFileName: helpers.root('src', 'tsconfig.json') }
			        }, 
			        {
			            loader: 'angular2-template-loader'
			        }
			        ]                                      

			},
			// {
			// 	test: /\.ts$/,
			// 	use: [{
			// 		loader: 'ts-loader',
			// 		options: { configFile: path.resolve(__dirname, 'tsconfig.json') }
			// 	}, 'angular2-template-loader'
			// 	]
			// },

			// {
			//     test: /\.html$/,                
			//     use: [
			//       {
			//         loader: 'raw-loader',
			//         // options: {
			//         //   minimize: true,                      
			//         // }
			//       }
			//     ],
			//     exclude: [helpers.root('src/index.html')]
			//   },
			{
				test: /\.html$/,
				exclude: /node_modules/,
				use: {
					loader: 'raw-loader',
					options: {
						esModule: false,
					},
				}
			},








		
			{
				test: /\.(css|scss)$/,
				// include: helpers.root('src', 'app'),
				include: path.resolve(__dirname, 'src/app'),
				use: {
					loader: 'raw-loader',
					options: {
						esModule: false,
					},
				}
				
				// use: ['style-loader', 'css-loader']
			},
			{
                test: /\.(scss|css)$/,
				// exclude: helpers.root('src', 'app'),
				exclude: path.resolve(__dirname, 'src/app'),
                use: [
                    {
                        loader: (isProduction === true) ? MiniCssExtractPlugin.loader : 'style-loader',
                        // loader: 'style-loader',                      
                        // loader: MiniCssExtractPlugin.loader,
                        // options: {
                        //     hmr: process.env.NODE_ENV === 'development',
                        // },
                    },                  
                     // Translates CSS into CommonJS
                    {
                        loader: "css-loader",
                        options: {
                            sourceMap: true
                        }
                    }
                   
                ]
            },
		

		]
	},
	resolve: {
        extensions: ['*', '.js', '.jsx', '.tsx', '.ts'],
      },
	// devtool: 'inline-source-map',
	stats: {
		colors: true
	},

	// optimization: {
    //     minimize: isProduction,
    //     minimizer: [
    //         new TerserPlugin({
    //             // cache: true,
    //             parallel: true,
    //             // sourceMap: true, // Must be set to true if using source-maps in production
    //             extractComments: true,
    //             terserOptions: {

    //                 compress: {
    //                     directives: false,
    //                     //     drop_console: true,
    //                     //     drop_debugger: true,
    //                     //     keep_classnames: false,
    //                     //     keep_fnames: false,
    //                 },
    //                 mangle: true, // Note `mangle.properties` is `false` by default.
    //                 keep_classnames: false,
    //                 keep_fnames: false,
    //             }
    //         })
    //     ],
    // },

	plugins: [
		new MiniCssExtractPlugin({ // Make sure MiniCssExtractPlugin instance is included in array before the PurifyCSSPlugin
            // Options similar to the same options in webpackOptions.output
            // both options are optional
            // filename: '[name].css',
            // chunkFilename: '[id].css',
            filename: '[name].css',
            chunkFilename: '[chunkhash].css',
        }),

		new webpack.LoaderOptionsPlugin({
			htmlLoader: {
				minimize: false
			}
		})
	]
};


// https://medium.com/ag-grid/webpack-tutorial-understanding-ngtools-webpack-306dd7f9e07d