let path = require('path');
let webpack = require('webpack');
let Mix = require('laravel-mix').config;
let plugins = require('laravel-mix').plugins;


/*
 |--------------------------------------------------------------------------
 | Mix Initialization
 |--------------------------------------------------------------------------
 |
 | As our first step, we'll require the project's Laravel Mix file
 | and record the user's requested compilation and build steps.
 | Once those steps have been recorded, we may get to work.
 |
 */

Mix.initialize();


/*
 |--------------------------------------------------------------------------
 | Webpack Context
 |--------------------------------------------------------------------------
 |
 | This prop will determine the appropriate context, when running Webpack.
 | Since you have the option of publishing this webpack.config.js file
 | to your project root, we will dynamically set the path for you.
 |
 */

module.exports.context = Mix.Paths.root();


/*
 |--------------------------------------------------------------------------
 | Webpack Entry
 |--------------------------------------------------------------------------
 |
 | We'll first specify the entry point for Webpack. By default, we'll
 | assume a single bundled file, but you may call Mix.extract()
 | to make a separate bundle specifically for vendor libraries.
 |
 */

module.exports.entry = Mix.entry();


/*
 |--------------------------------------------------------------------------
 | Webpack Output
 |--------------------------------------------------------------------------
 |
 | Webpack naturally requires us to specify our desired output path and
 | file name. We'll simply echo what you passed to with Mix.js().
 | Note that, for Mix.version(), we'll properly hash the file.
 |
 */

module.exports.output = Mix.output();


/*
 |--------------------------------------------------------------------------
 | Rules
 |--------------------------------------------------------------------------
 |
 | Webpack rules allow us to register any number of loaders and options.
 | Out of the box, we'll provide a handful to get you up and running
 | as quickly as possible, though feel free to add to this list.
 |
 */

module.exports.module = {
    rules: [
        {
            test: /\.vue$/,
            loader: 'vue-loader',
            options: {
                loaders: Mix.options.extractVueStyles ? {
                    js: 'babel-loader' + Mix.babelConfig(),
                    scss: plugins.ExtractTextPlugin.extract({
                        use: 'css-loader!sass-loader',
                        fallback: 'vue-style-loader'
                    }),
                    sass: plugins.ExtractTextPlugin.extract({
                        use: 'css-loader!sass-loader?indentedSyntax',
                        fallback: 'vue-style-loader'
                    }),
                    css: plugins.ExtractTextPlugin.extract({
                        use: 'css-loader',
                        fallback: 'vue-style-loader'
                    })
                }: {
                    js: 'babel-loader' + Mix.babelConfig(),
                    scss: 'vue-style-loader!css-loader!sass-loader',
                    sass: 'vue-style-loader!css-loader!sass-loader?indentedSyntax'
                },

                postcss: [
                    require('autoprefixer')
                ]
            }
        },

        {
            test: /\.jsx?$/,
            exclude: /(node_modules|bower_components)/,
            loader: 'babel-loader' + Mix.babelConfig()
        },

        {
            test: /\.css$/,
            loaders: ['style-loader', 'css-loader']
        },

        {
            test: /\.html$/,
            loaders: ['html-loader']
        },

        {
            test: /\.(png|jpg|gif)$/,
            loader: 'file-loader',
            options: {
                name: 'images/[name].[ext]?[hash]',
                publicPath: '/public/'
            }
        },

        {
            test: /\.(woff2?|ttf|eot|svg|otf)$/,
            loader: 'file-loader',
            options: {
                name: 'fonts/[name].[ext]?[hash]',
                publicPath: '/public/'
            }
        }
    ]
};


if (Mix.preprocessors) {
    Mix.preprocessors.forEach(toCompile => {
        let extractPlugin = new plugins.ExtractTextPlugin(
            Mix.cssOutput(toCompile)
        );

        let sourceMap = Mix.sourcemaps ? '?sourceMap' : '';

        module.exports.module.rules.push({
            test: new RegExp(toCompile.src.path.replace(/\\/g, '\\\\') + '$'),
            use: extractPlugin.extract({
                fallback: 'style-loader',
                use: [
                    { loader: 'css-loader' + sourceMap },
                    { loader: 'postcss-loader' + sourceMap }
                ].concat(
                    toCompile.type == 'sass' ? [
                        { loader: 'resolve-url-loader' + sourceMap },
                        {
                            loader: 'sass-loader',
                            options: Object.assign({
                                precision: 8,
                                outputStyle: 'expanded'
                            }, toCompile.pluginOptions, { sourceMap: true })
                        }
                    ] : [
                        {
                            loader: 'less-loader' + sourceMap,
                            options: toCompile.pluginOptions
                        }
                    ]
                )
            })
        });

        module.exports.plugins = (module.exports.plugins || []).concat(extractPlugin);
    });
} else if (Mix.options.extractVueStyles) {
    module.exports.plugins = (module.exports.plugins || []).concat(
        new plugins.ExtractTextPlugin(path.join(Mix.js.base, 'vue-styles.css'))
    );
}



/*
 |--------------------------------------------------------------------------
 | Resolve
 |--------------------------------------------------------------------------
 |
 | Here, we may set any options/aliases that affect Webpack's resolving
 | of modules. To begin, we will provide the necessary Vue alias to
 | load the Vue common library. You may delete this, if needed.
 |
 */

module.exports.resolve = {
    extensions: ['*', '.js', '.jsx', '.vue'],

    alias: {
        'vue$': 'vue/dist/vue.common.js'
    }
};



/*
 |--------------------------------------------------------------------------
 | Stats
 |--------------------------------------------------------------------------
 |
 | By default, Webpack spits a lot of information out to the terminal,
 | each you time you compile. Let's keep things a bit more minimal
 | and hide a few of those bits and pieces. Adjust as you wish.
 |
 */

module.exports.stats = {
    hash: false,
    version: false,
    timings: false,
    children: false,
    errors: false
};

module.exports.performance = { hints: false };



/*
 |--------------------------------------------------------------------------
 | Devtool
 |--------------------------------------------------------------------------
 |
 | Sourcemaps allow us to access our original source code within the
 | browser, even if we're serving a bundled script or stylesheet.
 | You may activate sourcemaps, by adding Mix.sourceMaps().
 |
 */

module.exports.devtool = Mix.sourcemaps;



/*
 |--------------------------------------------------------------------------
 | Webpack Dev Server Configuration
 |--------------------------------------------------------------------------
 |
 | If you want to use that flashy hot module replacement feature, then
 | we've got you covered. Here, we'll set some basic initial config
 | for the Node server. You very likely won't want to edit this.
 |
 */
module.exports.devServer = {
    historyApiFallback: true,
    noInfo: true,
    compress: true,
    quiet: true
};



/*
 |--------------------------------------------------------------------------
 | Plugins
 |--------------------------------------------------------------------------
 |
 | Lastly, we'll register a number of plugins to extend and configure
 | Webpack. To get you started, we've included a handful of useful
 | extensions, for versioning, OS notifications, and much more.
 |
 */

module.exports.plugins = (module.exports.plugins || []).concat([
    new webpack.ProvidePlugin(Mix.autoload || {
        jQuery: 'jquery',
        $: 'jquery',
        jquery: 'jquery',
        'window.jQuery': 'jquery'
    }),

    new plugins.FriendlyErrorsWebpackPlugin(),

    new plugins.StatsWriterPlugin({
        filename: 'mix-manifest.json',
        transform: Mix.manifest.transform.bind(Mix.manifest),
    }),

    new plugins.WebpackMd5HashPlugin(),

    new webpack.LoaderOptionsPlugin({
        minimize: Mix.inProduction,
        options: {
            postcss: [
                require('autoprefixer')
            ],
            context: __dirname,
            output: { path: './' }
        }
    })
]);


if (Mix.browserSync) {
    module.exports.plugins.push(
        new plugins.BrowserSyncPlugin(Object.assign({
            host: 'localhost',
            port: 3000,
            proxy: 'app.dev',
            files: [
                'app/**/*.php',
                'resources/views/**/*.php',
                'public/mix-manifest.json',
                'public/css/**/*.css',
                'public/js/**/*.js'
            ]
        }, Mix.browserSync))
    );
}


module.exports.plugins.push(
    new plugins.WebpackOnBuildPlugin(
        stats => Mix.events.fire('build', stats)
    )
);


if (Mix.notifications) {
    module.exports.plugins.push(
        new plugins.WebpackNotifierPlugin({
            title: 'Laravel Mix',
            alwaysNotify: true,
            contentImage: Mix.Paths.root('node_modules/laravel-mix/icons/laravel.png')
        })
    );
}


if (Mix.copy) {
    Mix.copy.forEach(copy => {
        module.exports.plugins.push(
            new plugins.CopyWebpackPlugin([copy])
        );
    });
}


if (Mix.extract) {
    module.exports.plugins.push(
        new webpack.optimize.CommonsChunkPlugin({
            names: Mix.entryBuilder.extractions.concat([
                path.join(Mix.js.base, 'manifest').replace(/\\/g, '/')
            ]),
            minChunks: Infinity
        })
    );
}


if (Mix.inProduction) {
    module.exports.plugins = module.exports.plugins.concat([
        new webpack.DefinePlugin({
            'process.env': {
                NODE_ENV: '"production"'
            }
        }),

        new webpack.optimize.UglifyJsPlugin({
            sourceMap: true,
            compress: {
                warnings: false,
                drop_console: true
            }
        })
    ]);
}


/*
 |--------------------------------------------------------------------------
 | Mix Finalizing
 |--------------------------------------------------------------------------
 |
 | Now that we've declared the entirety of our Webpack configuration, the
 | final step is to scan for any custom configuration in the Mix file.
 | If mix.webpackConfig() is called, we'll merge it in, and build!
 |
 */
Mix.finalize(module.exports);