<?php

declare(strict_types=1);

use App\Framework\Logging\Formatter\LineFormatter;
use App\Framework\Logging\LogChannel;
use App\Framework\Logging\LogLevel;
use App\Framework\Logging\LogRecord;

describe('LineFormatter', function () {
    describe('default format', function () {
        it('formats basic log record with default format', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: 'Test message',
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('app');
            expect($formatted)->toContain('INFO');
            expect($formatted)->toContain('Test message');
        });

        it('includes timestamp in formatted output', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: 'Test message',
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            // Check for timestamp pattern (YYYY-MM-DD HH:MM:SS)
            expect($formatted)->toMatch('/\d{4}-\d{2}-\d{2} \d{2}:\d{2}:\d{2}/');
        });

        it('includes channel in formatted output', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: 'Test message',
                channel: new LogChannel('security')
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('security');
        });

        it('includes level name in formatted output', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::ERROR,
                message: 'Error message',
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('ERROR');
        });

        it('includes message in formatted output', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: 'Important information',
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('Important information');
        });

        it('defaults to "app" channel when no channel specified', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: 'Test message',
                channel: null
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('app');
        });
    });

    describe('custom format', function () {
        it('uses custom format string', function () {
            $formatter = new LineFormatter(format: '{level}: {message}');

            $record = new LogRecord(
                level: LogLevel::WARNING,
                message: 'Custom format',
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            expect($formatted)->toBe('WARNING: Custom format');
        });

        it('allows custom timestamp format', function () {
            $formatter = new LineFormatter(timestampFormat: 'Y-m-d');

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: 'Test message',
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            // Should match YYYY-MM-DD format without time
            expect($formatted)->toMatch('/\d{4}-\d{2}-\d{2}/');
            expect($formatted)->not->toMatch('/\d{2}:\d{2}:\d{2}/');
        });

        it('supports minimal format', function () {
            $formatter = new LineFormatter(format: '{message}');

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: 'Just the message',
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            expect($formatted)->toBe('Just the message');
        });
    });

    describe('context handling', function () {
        it('includes context data as JSON when present', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: 'User action',
                channel: new LogChannel('app'),
                context: ['user_id' => 123, 'action' => 'login']
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('user_id');
            expect($formatted)->toContain('123');
            expect($formatted)->toContain('action');
            expect($formatted)->toContain('login');
        });

        it('includes extra data as JSON when present', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: 'Test message',
                channel: new LogChannel('app'),
                extra: ['request_id' => 'req-123']
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('request_id');
            expect($formatted)->toContain('req-123');
        });

        it('merges context and extra data in JSON', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: 'Test message',
                channel: new LogChannel('app'),
                context: ['key1' => 'value1'],
                extra: ['key2' => 'value2']
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('key1');
            expect($formatted)->toContain('value1');
            expect($formatted)->toContain('key2');
            expect($formatted)->toContain('value2');
        });

        it('shows empty string when no context or extra data', function () {
            $formatter = new LineFormatter(format: '{message} {context}');

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: 'No context',
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            expect($formatted)->toBe('No context ');
        });
    });

    describe('different log levels', function () {
        it('formats DEBUG level correctly', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::DEBUG,
                message: 'Debug info',
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('DEBUG');
        });

        it('formats NOTICE level correctly', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::NOTICE,
                message: 'Notice',
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('NOTICE');
        });

        it('formats CRITICAL level correctly', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::CRITICAL,
                message: 'Critical error',
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('CRITICAL');
        });

        it('formats EMERGENCY level correctly', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::EMERGENCY,
                message: 'Emergency',
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('EMERGENCY');
        });
    });

    describe('special characters', function () {
        it('handles unicode characters in message', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: 'Übung mit Ümläüten und 日本語',
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('Übung mit Ümläüten und 日本語');
        });

        it('handles newlines in message', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: "Line 1\nLine 2",
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain("Line 1\nLine 2");
        });

        it('handles quotes in message', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: 'Message with "quotes" and \'apostrophes\'',
                channel: new LogChannel('app')
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('Message with "quotes" and \'apostrophes\'');
        });
    });

    describe('complex scenarios', function () {
        it('formats record with all fields', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::ERROR,
                message: 'Database error',
                channel: new LogChannel('database'),
                context: ['query' => 'SELECT * FROM users'],
                extra: ['request_id' => 'req-456']
            );

            $formatted = $formatter($record);

            expect($formatted)->toContain('ERROR');
            expect($formatted)->toContain('Database error');
            expect($formatted)->toContain('database');
            expect($formatted)->toContain('query');
            expect($formatted)->toContain('request_id');
        });

        it('is invokable', function () {
            $formatter = new LineFormatter();

            $record = new LogRecord(
                level: LogLevel::INFO,
                message: 'Invokable test',
                channel: new LogChannel('app')
            );

            // Test that formatter is invokable
            $formatted = $formatter($record);

            expect($formatted)->toBeString();
            expect($formatted)->toContain('Invokable test');
        });
    });
});