<?php

/* Copyright (C) 2026 Moko Consulting <hello@mokoconsulting.tech>
 * SPDX-License-Identifier: GPL-3.0-or-later
 */

declare(strict_types=1);

namespace MokoStandards\Tests\Unit;

use PHPUnit\Framework\TestCase;

/**
 * Smoke tests for bin/moko command dispatch.
 *
 * Verifies that all registered commands can be invoked with --help
 * without crashing (exit code 0).
 */
class CliDispatchTest extends TestCase
{
    private static string $mokoPath;

    public static function setUpBeforeClass(): void
    {
        self::$mokoPath = dirname(__DIR__, 2) . '/bin/moko';
    }

    public function testListCommand(): void
    {
        $output = $this->runMoko('list');
        $this->assertStringContainsString('command(s) available', $output);
    }

    public function testHelpCommand(): void
    {
        $output = $this->runMoko('--help');
        $this->assertStringContainsString('MokoStandards CLI', $output);
    }

    public function testUnknownCommandExitsWithCode2(): void
    {
        exec('php ' . escapeshellarg(self::$mokoPath) . ' nonexistent-command 2>&1', $out, $code);
        $this->assertSame(2, $code, 'Unknown command should exit with code 2');
    }

    /**
     * @dataProvider registeredCommandProvider
     */
    public function testRegisteredCommandHelp(string $command): void
    {
        // Some commands may not support --help natively (legacy scripts).
        // We just verify they don't fatal error (exit code != 255).
        exec(
            'php ' . escapeshellarg(self::$mokoPath) . ' ' . escapeshellarg($command) . ' --help 2>&1',
            $out,
            $code
        );
        $this->assertNotSame(
            255,
            $code,
            "Command '{$command}' should not fatal error on --help (exit={$code})"
        );
    }

    /**
     * Provide a sample of registered commands for smoke testing.
     *
     * Tests a representative subset to keep the suite fast while covering
     * all command groups.
     */
    public static function registeredCommandProvider(): array
    {
        return [
            // Validation
            ['health'],
            ['check:syntax'],
            ['check:changelog'],
            ['detect'],
            ['drift'],
            // Release
            ['release:notes'],
            ['release:validate'],
            ['release:joomla'],
            // Version
            ['version:read'],
            ['version:bump'],
            // Build
            ['build:package'],
            ['build:updates-xml'],
            // Deploy
            ['deploy:joomla'],
            // Fix
            ['fix:tabs'],
            ['fix:line-endings'],
            // Maintenance
            ['maintenance:labels'],
            // Repository
            ['repo:create'],
            // Licensing
            ['license'],
            // Completion
            ['completion'],
        ];
    }

    private function runMoko(string $args): string
    {
        exec('php ' . escapeshellarg(self::$mokoPath) . ' ' . $args . ' 2>&1', $out, $code);
        return implode("\n", $out);
    }
}