<?php

namespace App\Models;

use Carbon\Carbon;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\SoftDeletes;
use Illuminate\Database\Eloquent\Collection;

/**
 * Class NewsletterContact
 *
 * @property int $id
 * @property string $email
 * @property string|null $firstname
 * @property string|null $lastname
 * @property bool $group_kulturreisen
 * @property bool $group_ferienwohnungen
 * @property string $source
 * @property string $status
 * @property Carbon|null $subscribed_at
 * @property Carbon|null $unsubscribed_at
 * @property Carbon|null $last_booking_at
 * @property Carbon|null $last_travel_end_date
 * @property int $total_bookings_kulturreisen
 * @property int $total_bookings_ferienwohnungen
 * @property int|null $customer_id
 * @property int|null $travel_user_id
 * @property Carbon|null $last_synced_at
 * @property string|null $sync_hash
 * @property string|null $notes
 * @property Carbon $created_at
 * @property Carbon $updated_at
 * @property Carbon|null $deleted_at
 * @property-read Customer|null $customer
 * @property-read TravelUser|null $travel_user
 * @property-read Collection|NewsletterLog[] $logs
 * @package App\Models
 * @property-read mixed $full_name
 * @property-read mixed $groups
 * @property-read mixed $groups_string
 * @property-read mixed $source_label
 * @property-read mixed $status_badge
 * @property-read mixed $status_color
 * @property-read mixed $status_label
 * @property-read mixed $total_bookings
 * @property-read int|null $logs_count
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact active()
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact ferienwohnungen()
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact kulturreisen()
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact multipleBookers()
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact newModelQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact newQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact onlyTrashed()
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact query()
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereCreatedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereCustomerId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereDeletedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereEmail($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereFirstname($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereGroupFerienwohnungen($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereGroupKulturreisen($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereLastBookingAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereLastSyncedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereLastTravelEndDate($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereLastname($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereNotes($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereSource($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereStatus($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereSubscribedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereSyncHash($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereTotalBookingsFerienwohnungen($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereTotalBookingsKulturreisen($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereTravelUserId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereUnsubscribedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact whereUpdatedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact withBookings()
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact withTrashed()
 * @method static \Illuminate\Database\Eloquent\Builder|NewsletterContact withoutTrashed()
 * @mixin \Eloquent
 */
class NewsletterContact extends Model
{
    use SoftDeletes;

    protected $connection = 'mysql';

    protected $table = 'newsletter_contacts';

    protected $casts = [
        'group_kulturreisen' => 'boolean',
        'group_ferienwohnungen' => 'boolean',
        'subscribed_at' => 'datetime',
        'unsubscribed_at' => 'datetime',
        'last_booking_at' => 'datetime',
        'last_travel_end_date' => 'datetime',
        'last_synced_at' => 'datetime',
        'total_bookings_kulturreisen' => 'int',
        'total_bookings_ferienwohnungen' => 'int',
        'customer_id' => 'int',
        'travel_user_id' => 'int',
    ];

    protected $fillable = [
        'email',
        'firstname',
        'lastname',
        'group_kulturreisen',
        'group_ferienwohnungen',
        'source',
        'status',
        'subscribed_at',
        'unsubscribed_at',
        'last_booking_at',
        'last_travel_end_date',
        'total_bookings_kulturreisen',
        'total_bookings_ferienwohnungen',
        'customer_id',
        'travel_user_id',
        'last_synced_at',
        'sync_hash',
        'notes',
    ];

    // Konstanten für Source
    const SOURCE_BOOKING_KULTURREISEN = 'booking_kulturreisen';
    const SOURCE_BOOKING_FERIENWOHNUNGEN = 'booking_ferienwohnungen';
    const SOURCE_NEWSLETTER_SIGNUP = 'newsletter_signup';
    const SOURCE_MANUAL = 'manual';
    const SOURCE_IMPORT = 'import';

    // Konstanten für Status
    const STATUS_ACTIVE = 'active';
    const STATUS_INACTIVE = 'inactive';
    const STATUS_UNSUBSCRIBED = 'unsubscribed';
    const STATUS_BOUNCED = 'bounced';

    public static $sourceLabels = [
        self::SOURCE_BOOKING_KULTURREISEN => 'Buchung Kulturreisen',
        self::SOURCE_BOOKING_FERIENWOHNUNGEN => 'Buchung Ferienwohnungen',
        self::SOURCE_NEWSLETTER_SIGNUP => 'Newsletter-Anmeldung',
        self::SOURCE_MANUAL => 'Manuell',
        self::SOURCE_IMPORT => 'Import',
    ];

    public static $statusLabels = [
        self::STATUS_ACTIVE => 'Aktiv',
        self::STATUS_INACTIVE => 'Inaktiv',
        self::STATUS_UNSUBSCRIBED => 'Abgemeldet',
        self::STATUS_BOUNCED => 'Bounced',
    ];

    public static $statusColors = [
        self::STATUS_ACTIVE => 'success',
        self::STATUS_INACTIVE => 'secondary',
        self::STATUS_UNSUBSCRIBED => 'warning',
        self::STATUS_BOUNCED => 'danger',
    ];

    /**
     * Beziehung zum Customer (Kulturreisen)
     */
    public function customer()
    {
        return $this->belongsTo(Customer::class, 'customer_id');
    }

    /**
     * Beziehung zum TravelUser (Ferienwohnungen)
     */
    public function travel_user()
    {
        return $this->belongsTo(TravelUser::class, 'travel_user_id');
    }

    /**
     * Logs zu diesem Kontakt
     */
    public function logs()
    {
        return $this->hasMany(NewsletterLog::class, 'newsletter_contact_id')->orderBy('created_at', 'DESC');
    }

    /**
     * Vollständiger Name
     */
    public function getFullNameAttribute()
    {
        return trim($this->firstname . ' ' . $this->lastname);
    }

    /**
     * Gruppenzugehörigkeit als Array
     */
    public function getGroupsAttribute()
    {
        $groups = [];
        if ($this->group_kulturreisen) {
            $groups[] = 'Kulturreisen';
        }
        if ($this->group_ferienwohnungen) {
            $groups[] = 'Ferienwohnungen';
        }
        return $groups;
    }

    /**
     * Gruppenzugehörigkeit als String
     */
    public function getGroupsStringAttribute()
    {
        return implode(', ', $this->groups);
    }

    /**
     * Status-Label
     */
    public function getStatusLabelAttribute()
    {
        return self::$statusLabels[$this->status] ?? $this->status;
    }

    /**
     * Status-Color
     */
    public function getStatusColorAttribute()
    {
        return self::$statusColors[$this->status] ?? 'secondary';
    }

    /**
     * Source-Label
     */
    public function getSourceLabelAttribute()
    {
        return self::$sourceLabels[$this->source] ?? $this->source;
    }

    /**
     * Status-Badge HTML
     */
    public function getStatusBadgeAttribute()
    {
        return '<span class="badge badge-' . $this->status_color . '">' . $this->status_label . '</span>';
    }

    /**
     * Gesamtzahl Buchungen
     */
    public function getTotalBookingsAttribute()
    {
        return $this->total_bookings_kulturreisen + $this->total_bookings_ferienwohnungen;
    }

    /**
     * Ist Kontakt aktiv?
     */
    public function isActive()
    {
        return $this->status === self::STATUS_ACTIVE;
    }

    /**
     * Ist Kontakt abgemeldet?
     */
    public function isUnsubscribed()
    {
        return $this->status === self::STATUS_UNSUBSCRIBED;
    }

    /**
     * Hat Kontakt mindestens eine Buchung?
     */
    public function hasBookings()
    {
        return $this->total_bookings > 0;
    }

    /**
     * Kontakt abmelden
     */
    public function unsubscribe($reason = null)
    {
        $this->status = self::STATUS_UNSUBSCRIBED;
        $this->unsubscribed_at = now();
        $this->save();

        // Log erstellen
        $this->logs()->create([
            'action' => 'unsubscribed',
            'description' => $reason ?? 'Kontakt abgemeldet',
        ]);

        return $this;
    }

    /**
     * Kontakt wieder aktivieren
     */
    public function resubscribe()
    {
        $this->status = self::STATUS_ACTIVE;
        $this->unsubscribed_at = null;
        $this->save();

        // Log erstellen
        $this->logs()->create([
            'action' => 'subscribed',
            'description' => 'Kontakt wieder aktiviert',
        ]);

        return $this;
    }

    /**
     * Hash für Duplikat-Erkennung generieren
     */
    public static function generateSyncHash($email, $source)
    {
        return md5(strtolower(trim($email)) . '_' . $source);
    }

    /**
     * Scope: Nur aktive Kontakte
     */
    public function scopeActive($query)
    {
        return $query->where('status', self::STATUS_ACTIVE);
    }

    /**
     * Scope: Nur Kulturreisen
     */
    public function scopeKulturreisen($query)
    {
        return $query->where('group_kulturreisen', true);
    }

    /**
     * Scope: Nur Ferienwohnungen
     */
    public function scopeFerienwohnungen($query)
    {
        return $query->where('group_ferienwohnungen', true);
    }

    /**
     * Scope: Mit Buchungen
     */
    public function scopeWithBookings($query)
    {
        return $query->where(function ($q) {
            $q->where('total_bookings_kulturreisen', '>', 0)
                ->orWhere('total_bookings_ferienwohnungen', '>', 0);
        });
    }

    /**
     * Scope: Mehrfachbucher
     */
    public function scopeMultipleBookers($query)
    {
        return $query->where(function ($q) {
            $q->where('total_bookings_kulturreisen', '>', 1)
                ->orWhere('total_bookings_ferienwohnungen', '>', 1);
        });
    }
}