<?php

namespace App\Traits;

use App\Models\JobFetchLog;
use Illuminate\Support\Facades\Log;

trait HandlesJobErrors
{
    /**
     * Handle job fetch errors gracefully
     */
    protected function handleFetchError(
        int $sourceId,
        \Exception $exception,
        array $metadata = []
    ): void {
        // Log the error
        Log::error('Job fetch failed', [
            'source_id' => $sourceId,
            'error' => $exception->getMessage(),
            'trace' => $exception->getTraceAsString(),
            'metadata' => $metadata,
        ]);

        // Record in database
        JobFetchLog::create([
            'job_source_id' => $sourceId,
            'success' => false,
            'jobs_fetched' => 0,
            'jobs_created' => 0,
            'jobs_updated' => 0,
            'jobs_skipped' => 0,
            'error_message' => $exception->getMessage(),
            'metadata' => array_merge($metadata, [
                'exception_class' => get_class($exception),
                'file' => $exception->getFile(),
                'line' => $exception->getLine(),
            ]),
        ]);

        // Check if we need to disable the source due to repeated failures
        $this->checkAndDisableSource($sourceId);
    }

    /**
     * Check for repeated failures and disable source if necessary
     */
    protected function checkAndDisableSource(int $sourceId): void
    {
        $recentFailures = JobFetchLog::where('job_source_id', $sourceId)
            ->where('success', false)
            ->where('created_at', '>=', now()->subHours(24))
            ->count();

        // Disable source after 5 consecutive failures in 24 hours
        if ($recentFailures >= 5) {
            $source = \App\Models\JobSource::find($sourceId);
            if ($source && $source->is_active) {
                $source->update(['is_active' => false]);

                Log::warning("Source {$source->name} has been disabled due to repeated failures", [
                    'source_id' => $sourceId,
                    'failures' => $recentFailures,
                ]);

                // You could send a notification to admins here
                $this->notifyAdmins($source, $recentFailures);
            }
        }
    }

    /**
     * Log successful job fetch
     */
    protected function logSuccessfulFetch(
        int $sourceId,
        int $jobsFetched,
        int $jobsCreated,
        int $jobsUpdated,
        int $jobsSkipped,
        int $durationSeconds,
        array $metadata = []
    ): void {
        JobFetchLog::create([
            'job_source_id' => $sourceId,
            'success' => true,
            'jobs_fetched' => $jobsFetched,
            'jobs_created' => $jobsCreated,
            'jobs_updated' => $jobsUpdated,
            'jobs_skipped' => $jobsSkipped,
            'duration_seconds' => $durationSeconds,
            'metadata' => $metadata,
        ]);

        Log::info('Job fetch completed successfully', [
            'source_id' => $sourceId,
            'jobs_fetched' => $jobsFetched,
            'jobs_created' => $jobsCreated,
            'jobs_updated' => $jobsUpdated,
            'duration' => $durationSeconds,
        ]);
    }

    /**
     * Notify admins about source failure (placeholder)
     */
    protected function notifyAdmins($source, int $failureCount): void
    {
        // TODO: Implement notification logic
        // Could use Laravel notifications, email, Slack, etc.
        Log::critical("ADMIN ALERT: Source {$source->name} disabled after {$failureCount} failures");
    }
}