<?php

declare(strict_types=1);

use App\Framework\MagicLinks\ValueObjects\{
    TokenAction,
    MagicLinkToken,
    TokenConfig,
    ActionResult,
    MagicLinkData
};

describe('TokenAction', function () {
    it('creates valid token action', function () {
        $action = new TokenAction('email_verification');

        expect($action->value)->toBe('email_verification');
    });

    it('validates action format', function () {
        new TokenAction('invalid-action'); // Hyphens not allowed
    })->throws(InvalidArgumentException::class, 'must contain only lowercase letters and underscores');

    it('rejects empty action', function () {
        new TokenAction('');
    })->throws(InvalidArgumentException::class, 'cannot be empty');

    it('compares actions correctly', function () {
        $action1 = new TokenAction('email_verification');
        $action2 = new TokenAction('email_verification');
        $action3 = new TokenAction('password_reset');

        expect($action1->equals($action2))->toBeTrue();
        expect($action1->equals($action3))->toBeFalse();
    });
});

describe('MagicLinkToken', function () {
    it('creates valid token', function () {
        $token = new MagicLinkToken('abcdef0123456789'); // 16 chars

        expect($token->value)->toBe('abcdef0123456789');
    });

    it('rejects short tokens', function () {
        new MagicLinkToken('short'); // Less than 16 chars
    })->throws(InvalidArgumentException::class, 'must be at least 16 characters');

    it('generates cryptographically secure tokens', function () {
        $token1 = MagicLinkToken::generate();
        $token2 = MagicLinkToken::generate();

        expect($token1->value)->not->toBe($token2->value);
        expect(strlen($token1->value))->toBe(64); // 32 bytes * 2 (hex)
    });

    it('compares tokens with constant time', function () {
        $token1 = new MagicLinkToken('abcdef0123456789');
        $token2 = new MagicLinkToken('abcdef0123456789');
        $token3 = new MagicLinkToken('different0123456');

        expect($token1->equals($token2))->toBeTrue();
        expect($token1->equals($token3))->toBeFalse();
    });

    it('generates tokens with custom length', function () {
        $token = MagicLinkToken::generate(16); // 16 bytes

        expect(strlen($token->value))->toBe(32); // 16 bytes * 2 (hex)
    });
});

describe('TokenConfig', function () {
    it('creates default config', function () {
        $config = new TokenConfig();

        expect($config->ttlSeconds)->toBe(3600);
        expect($config->oneTimeUse)->toBeFalse();
        expect($config->maxUses)->toBeNull();
        expect($config->ipRestriction)->toBeFalse();
    });

    it('creates custom config', function () {
        $config = new TokenConfig(
            ttlSeconds: 7200,
            oneTimeUse: true,
            maxUses: null,
            ipRestriction: true
        );

        expect($config->ttlSeconds)->toBe(7200);
        expect($config->oneTimeUse)->toBeTrue();
        expect($config->ipRestriction)->toBeTrue();
    });

    it('validates positive ttl', function () {
        new TokenConfig(ttlSeconds: 0);
    })->throws(InvalidArgumentException::class, 'TTL must be positive');

    it('validates positive max uses', function () {
        new TokenConfig(maxUses: 0);
    })->throws(InvalidArgumentException::class, 'Max uses must be positive');

    it('validates one-time-use consistency', function () {
        new TokenConfig(oneTimeUse: true, maxUses: 5);
    })->throws(InvalidArgumentException::class, 'One-time-use tokens cannot have maxUses');

    it('creates email verification config', function () {
        $config = TokenConfig::forEmailVerification();

        expect($config->ttlSeconds)->toBe(86400); // 24 hours
        expect($config->oneTimeUse)->toBeTrue();
    });

    it('creates password reset config', function () {
        $config = TokenConfig::forPasswordReset();

        expect($config->ttlSeconds)->toBe(3600); // 1 hour
        expect($config->oneTimeUse)->toBeTrue();
        expect($config->ipRestriction)->toBeTrue();
    });

    it('creates document access config', function () {
        $config = TokenConfig::forDocumentAccess(3);

        expect($config->ttlSeconds)->toBe(3600);
        expect($config->maxUses)->toBe(3);
    });
});

describe('ActionResult', function () {
    it('creates successful result', function () {
        $result = new ActionResult(
            success: true,
            message: 'Email verified',
            data: ['user_id' => 123]
        );

        expect($result->isSuccess())->toBeTrue();
        expect($result->message)->toBe('Email verified');
        expect($result->data)->toBe(['user_id' => 123]);
    });

    it('creates failure result', function () {
        $result = new ActionResult(
            success: false,
            message: 'Verification failed',
            errors: ['Token expired']
        );

        expect($result->isSuccess())->toBeFalse();
        expect($result->hasErrors())->toBeTrue();
        expect($result->errors)->toBe(['Token expired']);
    });

    it('detects redirect presence', function () {
        $result1 = new ActionResult(
            success: true,
            message: 'Success',
            redirectUrl: '/dashboard'
        );

        $result2 = new ActionResult(
            success: true,
            message: 'Success'
        );

        expect($result1->hasRedirect())->toBeTrue();
        expect($result2->hasRedirect())->toBeFalse();
    });

    it('creates success via factory method', function () {
        $result = ActionResult::success(
            message: 'Operation completed',
            data: ['id' => 456],
            redirectUrl: '/success'
        );

        expect($result->isSuccess())->toBeTrue();
        expect($result->message)->toBe('Operation completed');
        expect($result->data)->toBe(['id' => 456]);
        expect($result->redirectUrl)->toBe('/success');
    });

    it('creates failure via factory method', function () {
        $result = ActionResult::failure(
            message: 'Operation failed',
            errors: ['Invalid input', 'Permission denied']
        );

        expect($result->isSuccess())->toBeFalse();
        expect($result->errors)->toHaveCount(2);
    });
});

describe('MagicLinkData', function () {
    it('creates valid magic link data', function () {
        $now = new DateTimeImmutable();
        $expiresAt = $now->modify('+1 hour');

        $data = new MagicLinkData(
            id: 'test-123',
            action: new TokenAction('email_verification'),
            payload: ['user_id' => 1, 'email' => 'test@example.com'],
            expiresAt: $expiresAt,
            createdAt: $now
        );

        expect($data->id)->toBe('test-123');
        expect($data->action->value)->toBe('email_verification');
        expect($data->payload)->toBe(['user_id' => 1, 'email' => 'test@example.com']);
    });

    it('detects expired tokens', function () {
        $now = new DateTimeImmutable();
        $past = $now->modify('-1 hour');

        $data = new MagicLinkData(
            id: 'test-123',
            action: new TokenAction('test'),
            payload: [],
            expiresAt: $past,
            createdAt: $now->modify('-2 hours')
        );

        expect($data->isExpired())->toBeTrue();
        expect($data->isValid())->toBeFalse();
    });

    it('validates non-expired tokens', function () {
        $now = new DateTimeImmutable();
        $future = $now->modify('+1 hour');

        $data = new MagicLinkData(
            id: 'test-123',
            action: new TokenAction('test'),
            payload: [],
            expiresAt: $future,
            createdAt: $now
        );

        expect($data->isExpired())->toBeFalse();
        expect($data->isValid())->toBeTrue();
    });

    it('invalidates one-time-use tokens after use', function () {
        $now = new DateTimeImmutable();
        $future = $now->modify('+1 hour');

        $data = new MagicLinkData(
            id: 'test-123',
            action: new TokenAction('test'),
            payload: [],
            expiresAt: $future,
            createdAt: $now,
            oneTimeUse: true,
            isUsed: true
        );

        expect($data->isValid())->toBeFalse();
    });

    it('tracks use count correctly', function () {
        $now = new DateTimeImmutable();
        $future = $now->modify('+1 hour');

        $data = new MagicLinkData(
            id: 'test-123',
            action: new TokenAction('test'),
            payload: [],
            expiresAt: $future,
            createdAt: $now,
            useCount: 2,
            maxUses: 5
        );

        expect($data->hasRemainingUses())->toBeTrue();
        expect($data->isValid())->toBeTrue();
    });

    it('invalidates tokens exceeding max uses', function () {
        $now = new DateTimeImmutable();
        $future = $now->modify('+1 hour');

        $data = new MagicLinkData(
            id: 'test-123',
            action: new TokenAction('test'),
            payload: [],
            expiresAt: $future,
            createdAt: $now,
            useCount: 5,
            maxUses: 5
        );

        expect($data->hasRemainingUses())->toBeFalse();
        expect($data->isValid())->toBeFalse();
    });

    it('calculates remaining time correctly', function () {
        $now = new DateTimeImmutable();
        $future = $now->modify('+3600 seconds');

        $data = new MagicLinkData(
            id: 'test-123',
            action: new TokenAction('test'),
            payload: [],
            expiresAt: $future,
            createdAt: $now
        );

        $remaining = $data->getSecondsUntilExpiry();
        expect($remaining)->toBeGreaterThan(3590);
        expect($remaining)->toBeLessThanOrEqual(3600);
    });

    it('returns zero for expired token remaining time', function () {
        $now = new DateTimeImmutable();
        $past = $now->modify('-1 hour');

        $data = new MagicLinkData(
            id: 'test-123',
            action: new TokenAction('test'),
            payload: [],
            expiresAt: $past,
            createdAt: $now->modify('-2 hours')
        );

        expect($data->getSecondsUntilExpiry())->toBe(0);
    });

    it('marks token as used immutably', function () {
        $now = new DateTimeImmutable();
        $future = $now->modify('+1 hour');

        $data = new MagicLinkData(
            id: 'test-123',
            action: new TokenAction('test'),
            payload: [],
            expiresAt: $future,
            createdAt: $now,
            oneTimeUse: true
        );

        $usedData = $data->withUsed(new DateTimeImmutable());

        expect($data->isUsed)->toBeFalse(); // Original unchanged
        expect($usedData->isUsed)->toBeTrue();
        expect($usedData->useCount)->toBe(1);
    });

    it('increments use count immutably', function () {
        $now = new DateTimeImmutable();
        $future = $now->modify('+1 hour');

        $data = new MagicLinkData(
            id: 'test-123',
            action: new TokenAction('test'),
            payload: [],
            expiresAt: $future,
            createdAt: $now,
            useCount: 2
        );

        $incremented = $data->withIncrementedUseCount();

        expect($data->useCount)->toBe(2); // Original unchanged
        expect($incremented->useCount)->toBe(3);
    });

    it('serializes to array correctly', function () {
        $now = new DateTimeImmutable();
        $future = $now->modify('+1 hour');

        $data = new MagicLinkData(
            id: 'test-123',
            action: new TokenAction('email_verification'),
            payload: ['user_id' => 1],
            expiresAt: $future,
            createdAt: $now,
            oneTimeUse: true,
            createdByIp: '127.0.0.1',
            userAgent: 'Mozilla/5.0'
        );

        $array = $data->toArray();

        expect($array)->toHaveKey('id');
        expect($array)->toHaveKey('action');
        expect($array)->toHaveKey('payload');
        expect($array)->toHaveKey('is_valid');
        expect($array['action'])->toBe('email_verification');
        expect($array['payload'])->toBe(['user_id' => 1]);
    });

    it('deserializes from array correctly', function () {
        $array = [
            'id' => 'test-123',
            'action' => 'password_reset',
            'payload' => ['user_id' => 456],
            'expires_at' => '2025-12-31 23:59:59',
            'created_at' => '2025-12-31 12:00:00',
            'one_time_use' => true,
            'created_by_ip' => '192.168.1.1',
            'user_agent' => 'Test Agent',
            'is_used' => false,
            'use_count' => 0
        ];

        $data = MagicLinkData::fromArray($array);

        expect($data->id)->toBe('test-123');
        expect($data->action->value)->toBe('password_reset');
        expect($data->payload)->toBe(['user_id' => 456]);
        expect($data->oneTimeUse)->toBeTrue();
        expect($data->createdByIp)->toBe('192.168.1.1');
    });
});