<?php

namespace App\Console\Commands;

use App\Models\Booking;
use App\Models\Customer;
use App\Models\NewsletterContact;
use App\Models\Status;
use Illuminate\Console\Command;
use Illuminate\Support\Facades\DB;

class SyncNewsletterKulturreisen extends Command
{
    /**
     * The name and signature of the console command.
     *
     * @var string
     */
    protected $signature = 'newsletter:sync-kulturreisen {--force : Force full sync}';

    /**
     * The console description of the command.
     *
     * @var string
     */
    protected $description = 'Synchronisiert Kulturreisen-Buchungen mit Newsletter-Kontakten';

    /**
     * Execute the console command.
     *
     * @return int
     */
    public function handle()
    {
        $this->info('Starte Synchronisation von Kulturreisen-Buchungen...');

        $force = $this->option('force');

        // Statistiken
        $stats = [
            'processed' => 0,
            'created' => 0,
            'updated' => 0,
            'skipped' => 0,
            'errors' => 0,
        ];

        // Hole alle Buchungen mit Kunden
        $query = Booking::with(['customer', 'lead.status'])
            ->whereNotNull('customer_id')
            ->whereHas('customer', function ($q) {
                $q->whereNotNull('email')
                    ->where('email', '!=', '');
            })
            // Nur Buchungen, bei denen die Reise bereits beendet ist (end_date in der Vergangenheit)
            ->whereNotNull('end_date')
            ->where('end_date', '<', now());

        if (!$force) {
            // Nur Buchungen der letzten 30 Tage (basierend auf Rückreisedatum) wenn nicht --force
            $query->where('end_date', '>=', now()->subDays(30));
        }

        $bookings = $query->get();

        $this->info("Verarbeite {$bookings->count()} Buchungen...");

        $bar = $this->output->createProgressBar($bookings->count());
        $bar->start();

        foreach ($bookings as $booking) {
            try {
                $stats['processed']++;

                $customer = $booking->customer;

                // Validiere E-Mail
                if (!$customer || !$customer->email || !filter_var($customer->email, FILTER_VALIDATE_EMAIL)) {
                    $stats['skipped']++;
                    $bar->advance();
                    continue;
                }

                // Filtere Alias/Proxy E-Mail-Adressen von Buchungsplattformen
                $blockedDomains = [
                    '@guest.booking.com',
                    '@messages.homeaway.com',
                    '@fewo.check24.de',
                    '@booking.com',
                    '@homeaway.com',
                    '@check24.de',
                    '@partner.booking.com',
                ];

                $emailLower = strtolower($customer->email);
                $isBlockedEmail = false;
                foreach ($blockedDomains as $domain) {
                    if (str_ends_with($emailLower, strtolower($domain))) {
                        $isBlockedEmail = true;
                        break;
                    }
                }

                if ($isBlockedEmail) {
                    $stats['skipped']++;
                    $bar->advance();
                    continue;
                }

                // Generiere Hash für Duplikat-Erkennung
                $syncHash = NewsletterContact::generateSyncHash(
                    $customer->email,
                    NewsletterContact::SOURCE_BOOKING_KULTURREISEN
                );

                // Suche oder erstelle Kontakt
                $contact = NewsletterContact::withTrashed()
                    ->where('email', strtolower(trim($customer->email)))
                    ->first();

                $isNew = false;

                if (!$contact) {
                    // Neuer Kontakt
                    $contact = new NewsletterContact();
                    $isNew = true;
                    $stats['created']++;
                } else {
                    // Wenn gelöscht, wiederherstellen
                    if ($contact->trashed()) {
                        $contact->restore();
                    }
                    $stats['updated']++;
                }

                // Aktualisiere Kontaktdaten
                $contact->email = strtolower(trim($customer->email));
                $contact->firstname = $customer->firstname ?: $contact->firstname;
                $contact->lastname = $customer->name ?: $contact->lastname;

                // Setze Gruppe Kulturreisen
                $contact->group_kulturreisen = true;

                // Source nur bei neuem Kontakt setzen
                if ($isNew) {
                    $contact->source = NewsletterContact::SOURCE_BOOKING_KULTURREISEN;
                    $contact->subscribed_at = $booking->booking_date ?: $booking->created_at;
                }

                // Referenz zum Customer
                $contact->customer_id = $customer->id;

                // Aktualisiere Buchungsstatistiken
                $customerBookings = Booking::where('customer_id', $customer->id)->count();
                $contact->total_bookings_kulturreisen = $customerBookings;

                // Letztes Buchungsdatum
                $lastBooking = Booking::where('customer_id', $customer->id)
                    ->orderBy('booking_date', 'DESC')
                    ->first();

                if ($lastBooking && $lastBooking->booking_date) {
                    $contact->last_booking_at = $lastBooking->booking_date;
                }

                // Letztes Reiseenddatum (end_date) - nur abgeschlossene Reisen
                $lastTravelEndBooking = Booking::where('customer_id', $customer->id)
                    ->whereNotNull('end_date')
                    ->where('end_date', '<', now())
                    ->orderBy('end_date', 'DESC')
                    ->first();

                if ($lastTravelEndBooking && $lastTravelEndBooking->end_date) {
                    if (!$contact->last_travel_end_date || $lastTravelEndBooking->end_date->gt($contact->last_travel_end_date)) {
                        $contact->last_travel_end_date = $lastTravelEndBooking->end_date;
                    }
                }

                // Status
                if ($isNew || $contact->status === NewsletterContact::STATUS_INACTIVE) {
                    $contact->status = NewsletterContact::STATUS_ACTIVE;
                }

                $contact->sync_hash = $syncHash;
                $contact->last_synced_at = now();

                $contact->save();

                // Log erstellen
                if ($isNew) {
                    $contact->logs()->create([
                        'action' => 'booking_added',
                        'description' => 'Kontakt durch Kulturreisen-Buchung erstellt',
                        'metadata' => [
                            'booking_id' => $booking->id,
                            // Metadaten-Key bleibt `lead_id`; Wert kommt aus booking.inquiry_id.
                            'lead_id' => $booking->inquiry_id,
                        ],
                    ]);
                }
            } catch (\Exception $e) {
                $stats['errors']++;
                $this->error("Fehler bei Buchung {$booking->id}: " . $e->getMessage());
            }

            $bar->advance();
        }

        $bar->finish();
        $this->newLine(2);

        // Statistiken ausgeben
        $this->info('Synchronisation abgeschlossen!');
        $this->table(
            ['Statistik', 'Anzahl'],
            [
                ['Verarbeitet', $stats['processed']],
                ['Neu erstellt', $stats['created']],
                ['Aktualisiert', $stats['updated']],
                ['Übersprungen', $stats['skipped']],
                ['Fehler', $stats['errors']],
            ]
        );

        return 0;
    }
}