#!/usr/bin/env node

import { execSync } from 'child_process';
import fs from 'fs-extra';
import path from 'path';
import { fileURLToPath } from 'url';

const __filename = fileURLToPath(import.meta.url);
const __dirname = path.dirname(__filename);

const c = {
	reset: '\x1b[0m',
	dim: '\x1b[2m',
	green: '\x1b[32m',
	cyan: '\x1b[36m',
	red: '\x1b[31m',
	bold: '\x1b[1m',
};

const step = (msg) => process.stdout.write(`  ${c.dim}◆${c.reset} ${msg}...\n`);
const done = (msg) => process.stdout.write(`  ${c.green}✓${c.reset} ${msg}\n`);
const fail = (msg) => process.stdout.write(`  ${c.red}✗${c.reset} ${msg}\n`);

async function initProject() {
	try {
		console.log(`\n  ${c.bold}${c.cyan}zen-start${c.reset}\n`);

		step('Creating Next.js project');
		execSync('npx create-next-app@latest ./ --javascript --tailwind --app --empty', { stdio: 'inherit' });
		done('Next.js project created');

		if (fs.existsSync('./app')) {
			fs.removeSync('./app');
		}
		done('Cleaned default /app directory');

		const packageJsonPath = './package.json';
		if (fs.existsSync(packageJsonPath)) {
			const packageJson = fs.readJsonSync(packageJsonPath);
			const projectName = packageJson.name || 'project';
			fs.writeFileSync('README.md', `# ${projectName}\n\nBuilt with Next.js, Tailwind CSS and @zen/core.`);
			packageJson.scripts ??= {};
			packageJson.scripts['make-favicon'] = 'node dev/icons/make-favicon.js';
			fs.writeJsonSync(packageJsonPath, packageJson, { spaces: 2 });
		}
		done('Updated README and package.json');

		const templatesPath = path.join(__dirname, '..', 'templates');
		if (!fs.existsSync(templatesPath)) {
			fail('Templates directory not found in zen-start package');
			process.exit(1);
		}
		fs.copySync(templatesPath, './', { overwrite: true });
		done('Copied template files');

		step('Installing @zen/core');
		execSync('npm install @zen/core', { stdio: 'inherit' });
		done('@zen/core installed');

		const envExample = path.resolve(process.cwd(), 'node_modules/@zen/core/.env.example');
		const envDest = path.resolve(process.cwd(), '.env');
		if (fs.existsSync(envExample) && !fs.existsSync(envDest)) {
			fs.copyFileSync(envExample, envDest);
			done('Created .env from @zen/core template');
		}

		console.log(`\n  ${c.green}${c.bold}Project ready.${c.reset} Next steps:\n`);
		console.log(`  ${c.dim}1.${c.reset} Fill in the environment variables in ${c.cyan}.env${c.reset}`);
		console.log(`  ${c.dim}2.${c.reset} Initialize the database`);
		console.log(`     ${c.dim}npx zen-db init${c.reset}\n`);

	} catch (error) {
		fail(error.message);
		process.exit(1);
	}
}

initProject();