const gulp = require('gulp');
const fs = require('fs-extra');
const utils = require('../Tools/gulp/utils');
const tasks = {
	copyLib: require('../Tools/gulp/tasks/copyLib'),
	tsc: require('../Tools/gulp/tasks/tsc'),
};

tasks.build = {
	fn: async () => {
		const buildDir = `${__dirname}/build`;
		await utils.copyDir(`${__dirname}/app`, buildDir, {
			excluded: ['node_modules'],
		});
		await utils.copyDir(`${__dirname}/locales-build`, `${buildDir}/locales`);
		await utils.copyDir(`${__dirname}/../patches`, `${buildDir}/patches`);
		await tasks.copyLib.fn();
		await utils.copyFile(`${__dirname}/package.json`, `${buildDir}/package.json`);
		await utils.copyFile(`${__dirname}/package-lock.json`, `${buildDir}/package-lock.json`);
		await utils.copyFile(`${__dirname}/gulpfile.js`, `${buildDir}/gulpfile.js`);

		const packageRaw = await fs.readFile(`${buildDir}/package.json`);
		const package = JSON.parse(packageRaw.toString());
		package.scripts.postinstall = 'patch-package';
		await fs.writeFile(`${buildDir}/package.json`, JSON.stringify(package, null, 2), 'utf8');

		fs.chmodSync(`${buildDir}/main.js`, 0o755);
	},
};

tasks.buildTests = {
	fn: async () => {
		const testBuildDir = `${__dirname}/tests-build`;

		await utils.copyDir(`${__dirname}/tests`, testBuildDir, {
			excluded: [
				'lib/',
				'locales/',
				'node_modules/',
			],
		});

		await utils.copyDir(`${__dirname}/../ReactNativeClient/lib`, `${testBuildDir}/lib`);
		await utils.copyDir(`${__dirname}/../ReactNativeClient/locales`, `${testBuildDir}/locales`);
		await fs.mkdirp(`${testBuildDir}/data`);
	},
};

const buildTestSeries = [
	tasks.buildTests.fn,
];

if (require('os').platform() === 'win32') {
	gulp.task('copyLib', tasks.copyLib.fn);
	gulp.task('tsc', tasks.tsc.fn);
	buildTestSeries.push('copyLib');
	buildTestSeries.push('tsc');
}

gulp.task('build', tasks.build.fn);
gulp.task('buildTests', gulp.series(...buildTestSeries));