<?php

namespace MintyPHP\Tests\Console;

use MintyPHP\Console\Command;
use MintyPHP\Console\ConsoleApplication;
use PHPUnit\Framework\TestCase;

final class ConsoleApplicationTest extends TestCase
{
    public function testListReturnsZero(): void
    {
        $app = new ConsoleApplication();
        $app->register(new DummyCommand());

        $exitCode = $app->run(['bin/console', 'list']);

        self::assertSame(0, $exitCode);
    }

    public function testEmptyArgvShowsListAndReturnsZero(): void
    {
        $app = new ConsoleApplication();

        $exitCode = $app->run(['bin/console']);

        self::assertSame(0, $exitCode);
    }

    public function testUnknownCommandReturnsOne(): void
    {
        $app = new ConsoleApplication();

        $exitCode = $app->run(['bin/console', 'nonexistent']);

        self::assertSame(1, $exitCode);
    }

    public function testDispatchesRegisteredCommand(): void
    {
        $command = new DummyCommand();
        $app = new ConsoleApplication();
        $app->register($command);

        $exitCode = $app->run(['bin/console', 'test:dummy', 'arg1', '--flag', '--key=value']);

        self::assertSame(0, $exitCode);
        self::assertSame(['arg1'], $command->lastArgs);
        self::assertSame(['flag' => true, 'key' => 'value'], $command->lastOptions);
    }

    public function testCommandExitCodePropagates(): void
    {
        $app = new ConsoleApplication();
        $app->register(new FailingCommand());

        $exitCode = $app->run(['bin/console', 'test:fail']);

        self::assertSame(42, $exitCode);
    }

    public function testMultiplePositionalArgs(): void
    {
        $command = new DummyCommand();
        $app = new ConsoleApplication();
        $app->register($command);

        $app->run(['bin/console', 'test:dummy', 'first', 'second', 'third']);

        self::assertSame(['first', 'second', 'third'], $command->lastArgs);
    }

    public function testOptionWithEqualsSign(): void
    {
        $command = new DummyCommand();
        $app = new ConsoleApplication();
        $app->register($command);

        $app->run(['bin/console', 'test:dummy', '--module=addressbook']);

        self::assertSame([], $command->lastArgs);
        self::assertSame(['module' => 'addressbook'], $command->lastOptions);
    }
}

final class DummyCommand extends Command
{
    public array $lastArgs = [];
    public array $lastOptions = [];

    public function name(): string
    {
        return 'test:dummy';
    }

    public function description(): string
    {
        return 'A dummy command';
    }

    public function execute(array $args, array $options): int
    {
        $this->lastArgs = $args;
        $this->lastOptions = $options;
        return 0;
    }
}

final class FailingCommand extends Command
{
    public function name(): string
    {
        return 'test:fail';
    }

    public function description(): string
    {
        return 'Always fails';
    }

    public function execute(array $args, array $options): int
    {
        return 42;
    }
}