<?php

declare(strict_types=1);

namespace Tests\Framework\Console;

use App\Framework\Console\CommandParameterResolver;
use App\Framework\Console\ConsoleInput;
use App\Framework\Console\ConsoleOutput;
use App\Framework\Console\MethodSignatureAnalyzer;
use ReflectionMethod;

class TestCommandClass
{
    public function simpleMethod(): void
    {
    }

    public function methodWithString(string $name): void
    {
    }

    public function methodWithInt(int $count): void
    {
    }

    public function methodWithBool(bool $active): void
    {
    }

    public function methodWithArray(array $items): void
    {
    }

    public function methodWithDefault(string $name = 'Guest'): void
    {
    }

    public function methodWithNullable(?string $name): void
    {
    }

    public function methodWithConsoleInput(ConsoleInput $input): void
    {
    }

    public function methodWithConsoleOutput(ConsoleOutput $output): void
    {
    }

    public function methodWithBoth(ConsoleInput $input, ConsoleOutput $output, string $name): void
    {
    }

    public function methodWithOptionalFrameworkParams(string $name, ?ConsoleInput $input = null): void
    {
    }
}

describe('CommandParameterResolver', function () {
    beforeEach(function () {
        $this->analyzer = new MethodSignatureAnalyzer();
        $this->resolver = new CommandParameterResolver($this->analyzer);
    });

    it('resolves simple string parameter', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithString');
        $resolved = $this->resolver->resolveParameters($method, ['--name=John']);

        expect($resolved)->toHaveCount(1);
        expect($resolved[0])->toBe('John');
    });

    it('resolves integer parameter', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithInt');
        $resolved = $this->resolver->resolveParameters($method, ['--count=42']);

        expect($resolved)->toHaveCount(1);
        expect($resolved[0])->toBe(42);
        expect($resolved[0])->toBeInt();
    });

    it('resolves boolean parameter', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithBool');
        $resolved = $this->resolver->resolveParameters($method, ['--active=true']);

        expect($resolved)->toHaveCount(1);
        expect($resolved[0])->toBeTrue();
    });

    it('resolves array parameter', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithArray');
        $resolved = $this->resolver->resolveParameters($method, ['--items=item1,item2,item3']);

        expect($resolved)->toHaveCount(1);
        expect($resolved[0])->toBe(['item1', 'item2', 'item3']);
    });

    it('uses default values for optional parameters', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithDefault');
        $resolved = $this->resolver->resolveParameters($method, []);

        expect($resolved)->toHaveCount(1);
        expect($resolved[0])->toBe('Guest');
    });

    it('resolves nullable parameters as null when missing', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithNullable');
        $resolved = $this->resolver->resolveParameters($method, []);

        expect($resolved)->toHaveCount(1);
        expect($resolved[0])->toBeNull();
    });

    it('resolves ConsoleInput parameter', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithConsoleInput');
        $input = new ConsoleInput([]);
        $resolved = $this->resolver->resolveParameters($method, [], $input);

        expect($resolved)->toHaveCount(1);
        expect($resolved[0])->toBe($input);
    });

    it('resolves ConsoleOutput parameter', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithConsoleOutput');
        $output = new ConsoleOutput();
        $resolved = $this->resolver->resolveParameters($method, [], null, $output);

        expect($resolved)->toHaveCount(1);
        expect($resolved[0])->toBe($output);
    });

    it('resolves both ConsoleInput and ConsoleOutput', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithBoth');
        $input = new ConsoleInput([]);
        $output = new ConsoleOutput();
        $resolved = $this->resolver->resolveParameters($method, ['--name=John'], $input, $output);

        expect($resolved)->toHaveCount(3);
        expect($resolved[0])->toBe($input);
        expect($resolved[1])->toBe($output);
        expect($resolved[2])->toBe('John');
    });

    it('handles optional framework parameters', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithOptionalFrameworkParams');
        $resolved = $this->resolver->resolveParameters($method, ['--name=John']);

        expect($resolved)->toHaveCount(2);
        expect($resolved[0])->toBe('John');
        expect($resolved[1])->toBeNull();
    });

    it('throws exception for missing required parameter', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithString');

        expect(fn () => $this->resolver->resolveParameters($method, []))
            ->toThrow(\InvalidArgumentException::class, "Required parameter 'name' is missing");
    });

    it('throws exception when ConsoleInput is required but not provided', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithConsoleInput');

        expect(fn () => $this->resolver->resolveParameters($method, []))
            ->toThrow(\InvalidArgumentException::class, "ConsoleInput is required but not provided");
    });

    it('validates method signature compatibility', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'simpleMethod');

        // Should not throw for valid method
        $this->resolver->validateMethodSignature($method);
        expect(true)->toBeTrue();
    });

    it('creates parser for method', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithString');
        $parser = $this->resolver->createParserForMethod($method);

        expect($parser)->toBeInstanceOf(\App\Framework\Console\ArgumentParser::class);
    });
});

describe('CommandParameterResolver Type Conversion', function () {
    beforeEach(function () {
        $this->analyzer = new MethodSignatureAnalyzer();
        $this->resolver = new CommandParameterResolver($this->analyzer);
    });

    it('converts string values correctly', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithString');
        $resolved = $this->resolver->resolveParameters($method, ['--name=123']);

        expect($resolved[0])->toBe('123');
        expect($resolved[0])->toBeString();
    });

    it('converts integer values correctly', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithInt');
        $resolved = $this->resolver->resolveParameters($method, ['--count=42']);

        expect($resolved[0])->toBe(42);
        expect($resolved[0])->toBeInt();
    });

    it('converts boolean values correctly', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithBool');
        
        $resolved = $this->resolver->resolveParameters($method, ['--active=true']);
        expect($resolved[0])->toBeTrue();

        $resolved = $this->resolver->resolveParameters($method, ['--active=false']);
        expect($resolved[0])->toBeFalse();

        $resolved = $this->resolver->resolveParameters($method, ['--active=1']);
        expect($resolved[0])->toBeTrue();

        $resolved = $this->resolver->resolveParameters($method, ['--active=0']);
        expect($resolved[0])->toBeFalse();
    });

    it('converts array values correctly', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithArray');
        $resolved = $this->resolver->resolveParameters($method, ['--items=item1,item2,item3']);

        expect($resolved[0])->toBeArray();
        expect($resolved[0])->toBe(['item1', 'item2', 'item3']);
    });

    it('throws exception for invalid type conversion', function () {
        $method = new ReflectionMethod(TestCommandClass::class, 'methodWithInt');

        expect(fn () => $this->resolver->resolveParameters($method, ['--count=not-a-number']))
            ->toThrow(\InvalidArgumentException::class);
    });
});