<?php

namespace App\Console\Commands;

use App\Enums\PressReleaseStatus;
use App\Models\PressRelease;
use App\Models\PressReleaseStatusLog;
use App\Scopes\PortalScope;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;

/**
 * Bildkennzeichnung E.1: `published_ever_at` für den Bestand — jede
 * Meldung, die heute veröffentlicht ist, ein `published_at` trägt oder
 * laut Status-Log jemals auf `published` stand, war öffentlich. Ihre Bilder
 * erben den Zeitpunkt. Idempotent, nur NULL-Zeilen werden gesetzt.
 */
class BackfillPublishedEver extends Command
{
    protected $signature = 'press-releases:backfill-published-ever {--dry-run : Nur zählen}';

    protected $description = 'Setzt published_ever_at für Meldungen und Bilder, die jemals öffentlich waren';

    public function handle(): int
    {
        $candidates = PressRelease::withoutGlobalScope(PortalScope::class)
            ->whereNull('published_ever_at')
            ->where(function ($query): void {
                $query->whereNotNull('published_at')
                    ->orWhere('status', PressReleaseStatus::Published->value)
                    ->orWhereIn('id', PressReleaseStatusLog::query()->where('to_status', PressReleaseStatus::Published->value)->select('press_release_id'));
            });

        $count = $candidates->count();
        $this->info("Meldungen ohne published_ever_at, die öffentlich waren: {$count}");

        if ($this->option('dry-run') || $count === 0) {
            return self::SUCCESS;
        }

        $updated = 0;

        $candidates->select(['id', 'published_at', 'created_at'])->chunkById(1000, function ($releases) use (&$updated): void {
            foreach ($releases as $release) {
                $firstLog = PressReleaseStatusLog::query()
                    ->where('press_release_id', $release->id)
                    ->where('to_status', PressReleaseStatus::Published->value)
                    ->min('created_at');

                $at = collect([$release->published_at, $firstLog, $release->created_at])->filter()->min();

                DB::table('press_releases')->where('id', $release->id)->update(['published_ever_at' => $at]);
                DB::table('press_release_images')->where('press_release_id', $release->id)->whereNull('published_ever_at')
                    ->update(['published_ever_at' => DB::raw('CASE WHEN created_at > '.DB::getPdo()->quote((string) $at).' THEN created_at ELSE '.DB::getPdo()->quote((string) $at).' END')]);
                $updated++;
            }
        });

        $this->info("Gesetzt: {$updated} Meldungen samt Bildern.");

        return self::SUCCESS;
    }
}