<?php

namespace App\Console\Commands;

use App\Models\Job;
use Illuminate\Console\Attributes\Description;
use Illuminate\Console\Attributes\Signature;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\Log;

#[Signature('jobs:clean {--days=30} {--force}')]
#[Description('Remove expired and old job listings from the database')]
class CleanJobs extends Command
{
    protected $signature = 'jobs:clean {--days=30} {--force}';
    protected $description = 'Remove expired and old job listings from the database';

    /**
     * Execute the console command.
     */
    public function handle(): int
    {
        $days = (int) $this->option('days');
        $force = $this->option('force');

        $log = Log::channel('jobs_clean');
        $log->info('Starting job cleanup', ['days' => $days, 'force' => $force]);

        $this->info("Cleaning job listings...");
        $this->newLine();

        // Remove expired jobs
        $expiredCount = $this->removeExpiredJobs($force);

        // Remove old jobs (not posted in the last X days)
        $oldCount = $this->removeOldJobs($days, $force);

        // Clean up soft-deleted jobs
        $trashedCount = $this->cleanTrashedJobs($force);

        $this->newLine();
        $total = $expiredCount + $oldCount + $trashedCount;

        $this->info("Cleanup Summary:");
        $this->line("  • Expired jobs removed: {$expiredCount}");
        $this->line("  • Old jobs removed (>{$days} days): {$oldCount}");
        $this->line("  • Trashed jobs cleaned: {$trashedCount}");
        $this->line("  • Total removed: {$total}");

        $log->info('Cleanup complete', [
            'expired' => $expiredCount,
            'old' => $oldCount,
            'trashed' => $trashedCount,
            'total' => $total,
        ]);

        return self::SUCCESS;
    }

    private function removeExpiredJobs(bool $force): int
    {
        $query = Job::whereNotNull('expires_at')
            ->where('expires_at', '<', now());

        $count = $query->count();

        if ($count === 0) {
            return 0;
        }

        if (!$force) {
            $this->line("Found {$count} expired jobs (soft deleting)...");
            $query->delete(); // Soft delete
        } else {
            $this->line("Found {$count} expired jobs (force deleting)...");
            $query->forceDelete(); // Permanent delete
        }

        return $count;
    }

    private function removeOldJobs(int $days, bool $force): int
    {
        $cutoffDate = now()->subDays($days);

        $query = Job::where(function ($q) use ($cutoffDate) {
            $q->where('posted_at', '<', $cutoffDate)
              ->orWhere(function ($q2) use ($cutoffDate) {
                  $q2->whereNull('posted_at')
                     ->where('created_at', '<', $cutoffDate);
              });
        });

        $count = $query->count();

        if ($count === 0) {
            return 0;
        }

        if (!$force) {
            $this->line("Found {$count} old jobs (soft deleting)...");
            $query->delete(); // Soft delete
        } else {
            $this->line("Found {$count} old jobs (force deleting)...");
            $query->forceDelete(); // Permanent delete
        }

        return $count;
    }

    private function cleanTrashedJobs(bool $force): int
    {
        if (!$force) {
            return 0;
        }

        // Permanently delete jobs that have been soft-deleted for more than 30 days
        $query = Job::onlyTrashed()
            ->where('deleted_at', '<', now()->subDays(30));

        $count = $query->count();

        if ($count > 0) {
            $this->line("Found {$count} trashed jobs older than 30 days (permanently deleting)...");
            $query->forceDelete();
        }

        return $count;
    }
}