<?php

declare(strict_types=1);

namespace Tests\Framework\Exception;

use App\Framework\Exception\ErrorCode;
use App\Framework\Exception\ExceptionContext;
use App\Framework\Exception\FrameworkException;

describe('FrameworkException', function () {
    it('can be created with basic message and context', function () {
        $context = ExceptionContext::empty();
        $exception = new FrameworkException(
            message: 'Test error',
            context: $context
        );

        expect($exception->getMessage())->toBe('Test error');
        expect($exception->getContext())->toBe($context);
        expect($exception->getErrorCode())->toBeNull();
        expect($exception->getRetryAfter())->toBeNull();
        expect($exception->isRecoverable())->toBeFalse();
    });

    it('can be created with ErrorCode', function () {
        $context = ExceptionContext::empty();
        $exception = new FrameworkException(
            message: 'Database error',
            context: $context,
            errorCode: ErrorCode::DB_CONNECTION_FAILED
        );

        expect($exception->getMessage())->toBe('Database error');
        expect($exception->getErrorCode())->toBe(ErrorCode::DB_CONNECTION_FAILED);
        expect($exception->isErrorCode(ErrorCode::DB_CONNECTION_FAILED))->toBeTrue();
        expect($exception->isErrorCode(ErrorCode::AUTH_TOKEN_EXPIRED))->toBeFalse();
        expect($exception->isCategory('DB'))->toBeTrue();
        expect($exception->isCategory('AUTH'))->toBeFalse();
    });

    it('supports simple factory method', function () {
        $exception = FrameworkException::simple('Simple error message');

        expect($exception->getMessage())->toBe('Simple error message');
        expect($exception->getErrorCode())->toBeNull();
        expect($exception->getContext()->toArray())->toHaveKey('operation');
    });

    it('supports create factory method with ErrorCode', function () {
        $exception = FrameworkException::create(
            ErrorCode::VAL_BUSINESS_RULE_VIOLATION,
            'Custom validation error'
        );

        expect($exception->getMessage())->toBe('Custom validation error');
        expect($exception->getErrorCode())->toBe(ErrorCode::VAL_BUSINESS_RULE_VIOLATION);
        expect($exception->isCategory('VAL'))->toBeTrue();
    });

    it('supports forOperation factory method', function () {
        $exception = FrameworkException::forOperation(
            operation: 'user.create',
            component: 'UserService',
            message: 'Failed to create user',
            errorCode: ErrorCode::VAL_BUSINESS_RULE_VIOLATION
        );

        expect($exception->getMessage())->toBe('Failed to create user');
        expect($exception->getErrorCode())->toBe(ErrorCode::VAL_BUSINESS_RULE_VIOLATION);
        expect($exception->getContext()->operation)->toBe('user.create');
        expect($exception->getContext()->component)->toBe('UserService');
    });

    it('supports fromContext factory method', function () {
        $context = ExceptionContext::forOperation('payment.process', 'PaymentService')
            ->withData(['amount' => 100]);

        $exception = FrameworkException::fromContext(
            message: 'Payment failed',
            context: $context,
            errorCode: ErrorCode::PAYMENT_GATEWAY_ERROR
        );

        expect($exception->getMessage())->toBe('Payment failed');
        expect($exception->getContext())->toBe($context);
        expect($exception->getData())->toBe(['amount' => 100]);
    });

    it('supports immutable transformations', function () {
        $original = FrameworkException::simple('Original message');

        $withData = $original->withData(['key' => 'value']);
        $withOperation = $withData->withOperation('test.operation', 'TestComponent');
        $withDebug = $withOperation->withDebug(['debug' => 'info']);
        $withMetadata = $withDebug->withMetadata(['meta' => 'data']);

        // Original should be unchanged
        expect($original->getData())->toBe([]);
        expect($original->getContext()->operation)->toBeNull();

        // New instance should have all data
        expect($withMetadata->getData())->toBe(['key' => 'value']);
        expect($withMetadata->getContext()->operation)->toBe('test.operation');
        expect($withMetadata->getContext()->component)->toBe('TestComponent');
        expect($withMetadata->getContext()->debug)->toBe(['debug' => 'info']);
        expect($withMetadata->getContext()->metadata)->toBe(['meta' => 'data']);
    });

    it('supports ErrorCode modifications', function () {
        $exception = FrameworkException::simple('Test error');
        expect($exception->getErrorCode())->toBeNull();

        $withErrorCode = $exception->withErrorCode(ErrorCode::DB_QUERY_FAILED);
        expect($withErrorCode->getErrorCode())->toBe(ErrorCode::DB_QUERY_FAILED);
        expect($withErrorCode->isCategory('DB'))->toBeTrue();

        // Original should be unchanged
        expect($exception->getErrorCode())->toBeNull();
    });

    it('supports retry after modifications', function () {
        $exception = FrameworkException::create(ErrorCode::HTTP_RATE_LIMIT_EXCEEDED);

        $withRetry = $exception->withRetryAfter(300);
        expect($withRetry->getRetryAfter())->toBe(300);
        expect($withRetry->isRecoverable())->toBeTrue();
    });

    it('converts to array with all relevant data', function () {
        $context = ExceptionContext::forOperation('test.operation', 'TestComponent')
            ->withData(['test' => 'data'])
            ->withDebug(['debug' => 'info']);

        $exception = FrameworkException::fromContext(
            message: 'Test exception',
            context: $context,
            errorCode: ErrorCode::VAL_BUSINESS_RULE_VIOLATION
        );

        $array = $exception->toArray();

        expect($array)->toHaveKey('class');
        expect($array)->toHaveKey('message');
        expect($array)->toHaveKey('context');
        expect($array)->toHaveKey('error_code');
        expect($array)->toHaveKey('error_category');
        expect($array)->toHaveKey('description');
        expect($array)->toHaveKey('recovery_hint');
        expect($array)->toHaveKey('is_recoverable');

        expect($array['message'])->toBe('Test exception');
        expect($array['error_code'])->toBe(ErrorCode::VAL_BUSINESS_RULE_VIOLATION->value);
        expect($array['error_category'])->toBe('VAL');
    });

    it('handles string representation correctly', function () {
        $exception = FrameworkException::create(
            ErrorCode::DB_CONNECTION_FAILED,
            'Connection failed'
        );

        $string = (string) $exception;

        expect($string)->toContain('FrameworkException');
        expect($string)->toContain('[DB001]');
        expect($string)->toContain('Connection failed');
        expect($string)->toMatch('/\.php:\d+$/');
    });

    it('supports chaining operations fluently', function () {
        $exception = FrameworkException::simple('Base error')
            ->withErrorCode(ErrorCode::VAL_BUSINESS_RULE_VIOLATION)
            ->withOperation('user.validate', 'UserValidator')
            ->withData(['field' => 'email', 'value' => 'invalid'])
            ->withDebug(['rule' => 'email_format'])
            ->withMetadata(['attempt' => 1])
            ->withRetryAfter(60);

        expect($exception->getMessage())->toBe('Base error');
        expect($exception->getErrorCode())->toBe(ErrorCode::VAL_BUSINESS_RULE_VIOLATION);
        expect($exception->getContext()->operation)->toBe('user.validate');
        expect($exception->getContext()->component)->toBe('UserValidator');
        expect($exception->getData())->toBe(['field' => 'email', 'value' => 'invalid']);
        expect($exception->getContext()->debug)->toBe(['rule' => 'email_format']);
        expect($exception->getContext()->metadata)->toBe(['attempt' => 1]);
        expect($exception->getRetryAfter())->toBe(60);
        expect($exception->isRecoverable())->toBeTrue();
        expect($exception->isCategory('VAL'))->toBeTrue();
    });
});