<?php

declare(strict_types=1);

namespace Siteworxpro\Tests\Log;

use Psr\Log\LogLevel;
use Siteworxpro\App\Log\Logger;
use Siteworxpro\Tests\Unit;

class LoggerTest extends Unit
{
    private function getLoggerWithBuffer(string $logLevel): array
    {
        $inputBuffer = fopen('php://memory', 'r+');
        return [new Logger($logLevel, $inputBuffer), $inputBuffer];
    }

    private function getContents($inputBuffer): string
    {
        return stream_get_contents($inputBuffer, -1, 0);
    }

    private function testLogLevel(string $level): void
    {
        [$logger, $inputBuffer] = $this->getLoggerWithBuffer($level);
        $logger->$level('message', ['key' => 'value']);
        $output = $this->getContents($inputBuffer);

        $this->assertNotEmpty($output);
        $decoded = json_decode($output, true);
        $this->assertEquals('message', $decoded['message']);
        $this->assertEquals('value', $decoded['context']['key']);
    }

    private function testLogLevelEmpty(string $configLevel, string $logLevel): void
    {
        [$logger, $inputBuffer] = $this->getLoggerWithBuffer($configLevel);
        $logger->$logLevel('message', ['key' => 'value']);
        $output = $this->getContents($inputBuffer);

        $this->assertEmpty($output);
    }

    public function testLogsDebugMessageWhenLevelIsDebug(): void
    {
        $this->testLogLevel(LogLevel::DEBUG);
    }

    public function testLogsInfoMessageWhenLevelIsInfo(): void
    {
        $this->testLogLevel(LogLevel::INFO);
    }

    public function testLogsWarningMessageWhenLevelIsWarning(): void
    {
        $this->testLogLevel(LogLevel::WARNING);
    }

    public function testLogsErrorMessageWhenLevelIsError(): void
    {
        $this->testLogLevel(LogLevel::ERROR);
    }

    public function testLogsCriticalMessageWhenLevelIsCritical(): void
    {
        $this->testLogLevel(LogLevel::CRITICAL);
    }

    public function testLogsAlertMessageWhenLevelIsAlert(): void
    {
        $this->testLogLevel(LogLevel::ALERT);
    }

    public function testLogsEmergencyMessageWhenLevelIsEmergency(): void
    {
        $this->testLogLevel(LogLevel::EMERGENCY);
    }

    public function testLogsNoticeMessageWhenLevelIsNotice(): void
    {
        $this->testLogLevel(LogLevel::NOTICE);
    }

    public function testDoesNotLogWhenMinimumLevelIsInfo(): void
    {
        $this->testLogLevelEmpty(LogLevel::INFO, LogLevel::DEBUG);
    }

    public function testDoesNotLogWhenMinimumLevelIsWarning(): void
    {
        $this->testLogLevelEmpty(LogLevel::WARNING, LogLevel::INFO);
        $this->testLogLevelEmpty(LogLevel::WARNING, LogLevel::DEBUG);
    }

    public function testDoesNotLogWhenMinimumLevelIsError(): void
    {
        $this->testLogLevelEmpty(LogLevel::ERROR, LogLevel::DEBUG);
        $this->testLogLevelEmpty(LogLevel::ERROR, LogLevel::INFO);
        $this->testLogLevelEmpty(LogLevel::ERROR, LogLevel::WARNING);
    }

    public function testDoesNotLogWhenMinimumLevelIsNotice(): void
    {
        $this->testLogLevelEmpty(LogLevel::NOTICE, LogLevel::DEBUG);
        $this->testLogLevelEmpty(LogLevel::NOTICE, LogLevel::INFO);
    }

    public function testLogsMessageWithEmptyContext(): void
    {
        [$logger, $buffer] = $this->getLoggerWithBuffer(LogLevel::INFO);

        $logger->info('Message without context');
        $output = $this->getContents($buffer);

        $this->assertNotEmpty($output);
        $decoded = json_decode($output, true);
        $this->assertEquals('Message without context', $decoded['message']);
    }

    public function testLogsMessageWithComplexContext(): void
    {
        [$logger, $buffer] = $this->getLoggerWithBuffer(LogLevel::INFO);

        $logger->info('Complex context', [
            'user_id' => 123,
            'nested' => ['key' => 'value'],
            'array' => [1, 2, 3]
        ]);
        $output = $this->getContents($buffer);

        $this->assertNotEmpty($output);
        $decoded = json_decode($output, true);
        $this->assertEquals(123, $decoded['context']['user_id']);
        $this->assertEquals('value', $decoded['context']['nested']['key']);
    }

    public function testLogsStringableMessage(): void
    {
        [$logger, $buffer] = $this->getLoggerWithBuffer(LogLevel::INFO);

        $stringable = new class implements \Stringable {
            public function __toString(): string
            {
                return 'Stringable message';
            }
        };

        $logger->info($stringable);
        $output = $this->getContents($buffer);
        $this->assertNotEmpty($output);
        $decoded = json_decode($output, true);
        $this->assertEquals('Stringable message', $decoded['message']);
    }
}