'use strict'; // eslint-disable-line strict

const path = require('path');
const merge = require('webpack-merge');
const validate = require('webpack-validator');
const HtmlWebpackPlugin = require('html-webpack-plugin');
const parts = require('./webpack.parts');

const TARGET = process.env.npm_lifecycle_event;
process.env.BABEL_ENV = TARGET;

const PATHS = {
	app: path.join(__dirname, 'src'),
	build: path.join(__dirname, 'build'),
	style: path.join(__dirname, 'styles', 'style.scss')
};

const common = {
	entry: {
		style: PATHS.style,
		app: PATHS.app
	},
	output: {
		path: PATHS.build,
		filename: '[name].js'
	},
	plugins: [
		new HtmlWebpackPlugin({
			title: 'AudioIgniter',
			template: `${PATHS.app}/index.ejs`
		})
	],
	resolve: {
		extensions: ['', '.js', '.jsx']
	},
	module: {
		loaders: [
			{
				test: /\.jsx?$/,
				loaders: ['babel?cacheDirectory'],
				include: PATHS.app
			}
		]
	}
};

let config;

// Detect how npm is run and branch based on that
switch (TARGET) {
	case 'build': {
		config = merge(
			common,
			parts.minify(),
			parts.extractCSS(PATHS.style),
			parts.setFreeVariable(
				'process.env.NODE_ENV',
				'production'
			)
		);
		break;
	}
	default: {
		config = merge(
			common,
			{
				devtool: 'eval-source-map'
			},
			parts.setupSass(PATHS.style),
			parts.devServer({
				host: process.env.HOST,
				port: process.env.PORT
			})
		);
	}
}

module.exports = validate(config);