/** @format */

const fs = require( 'fs-extra' );
const path = require( 'path' );
const promptly = require( 'promptly' );
const chalk = require( 'chalk' );

const files = [ '._gitignore', '_README.md', '_webpack.config.js', '_main.php', '_package.json' ];
const maybeThrowError = error => {
	if ( error ) throw error;
};

( async () => {
	console.log( '\n' );
	console.log( chalk.yellow( '🎉 Welcome to WooCommerce Admin Extension Starter Pack 🎉' ) );
	console.log( '\n' );
	const extensionName = await promptly.prompt(
		chalk.yellow( 'What is the name of your extension?' )
	);

	const extensionSlug = extensionName.replace( / /g, '-' ).toLowerCase();
	const folder = path.join( __dirname, extensionSlug );

	fs.mkdir( folder, maybeThrowError );

	files.forEach( file => {
		const from = path.join( __dirname, file );
		const to = path.join(
			folder,
			'_main.php' === file ? `${ extensionSlug }.php` : file.replace( '_', '' )
		);

		fs.readFile( from, 'utf8', ( error, data ) => {
			maybeThrowError( error );

			const addSlugs = data.replace( /{{extension_slug}}/g, extensionSlug );
			const result = addSlugs.replace( /{{extension_name}}/g, extensionName );

			fs.writeFile( to, result, 'utf8', maybeThrowError );
		} );
	} );

	fs.copy( path.join( __dirname, 'src' ), path.join( folder, 'src' ), maybeThrowError );

	fs.copy( folder, path.join( '../', extensionSlug ), error => {
		maybeThrowError( error );

		fs.remove( folder, maybeThrowError );
	} );

	process.stdout.write( '\n' );
	console.log(
		chalk.green(
			'Wonderful, your extension has been scaffolded and placed as a sibling directory to this one.'
		)
	);
	process.stdout.write( '\n' );
	console.log( chalk.green( 'Run the following commands from the root of the extension and activate the plugin.' ) );
	process.stdout.write( '\n' );
	console.log( 'npm install' );
	console.log( 'npm start' );
	process.stdout.write( '\n' );
} )();