<?php

/**
 * Created by Reliese Model.
 */

namespace App\Models;

use App\Enums\PaymentProvider;
use App\Services\AboPaymentMethodService;
use App\Services\Backoffice\BackofficeDashboardService;
use App\Services\Util;
use App\User;
use Carbon\Carbon;
use Illuminate\Database\Eloquent\Builder;
use Illuminate\Database\Eloquent\Collection;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Database\Eloquent\SoftDeletes;

/**
 * Class UserAbo
 *
 * @property int $id
 * @property int $user_id
 * @property int $payone_userid
 * @property string $clearingtype
 * @property string|null $wallettype
 * @property int $amount
 * @property bool $active
 * @property int $status
 * @property int $abo_interval
 * @property Carbon|null $abo_date
 * @property Carbon|null $next_abo_date
 * @property Carbon|null $cancel_date
 * @property Carbon|null $created_at
 * @property Carbon|null $updated_at
 * @property string|null $deleted_at
 * @property Carbon|null $user_deleted_at
 * @property User $user
 * @property Collection|UserAboOrder[] $user_abo_orders
 * @property int|null $member_id
 * @property int $shopping_user_id
 * @property string|null $email
 * @property string|null $is_for
 * @property array|null $carddata
 * @property \Illuminate\Support\Carbon|null $start_date
 * @property \Illuminate\Support\Carbon|null $last_date
 * @property \Illuminate\Support\Carbon|null $next_date
 * @property-read User|null $member
 * @property-read ShoppingUser $shopping_user
 * @property-read Collection<int, UserAboItem> $user_abo_items
 * @property-read Collection<int, UserAboOneTimeItem> $one_time_items
 * @property-read int|null $user_abo_items_count
 * @property-read int|null $user_abo_orders_count
 *
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo newModelQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo newQuery()
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo onlyTrashed()
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo query()
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereAboInterval($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereActive($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereAmount($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereCancelDate($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereCarddata($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereClearingtype($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereCreatedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereDeletedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereEmail($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereIsFor($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereLastDate($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereMemberId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereNextDate($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo wherePayoneUserid($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereShoppingUserId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereStartDate($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereStatus($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereUpdatedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereUserDeletedAt($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereUserId($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo whereWallettype($value)
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo withTrashed()
 * @method static \Illuminate\Database\Eloquent\Builder|UserAbo withoutTrashed()
 *
 * @mixin \Eloquent
 */
class UserAbo extends Model
{
    use SoftDeletes;

    protected $table = 'user_abos';

    protected $casts = [
        'user_id' => 'int',
        'member_id' => 'int',
        'shopping_user_id' => 'int',
        'payone_userid' => 'int',
        'active' => 'bool',
        'status' => 'int',
        'abo_interval' => 'int',
        'amount' => 'int',
        'start_date' => 'datetime',
        'last_date' => 'datetime',
        'next_date' => 'datetime',
        'onetime_reminder_sent_for' => 'date',
        'cancel_date' => 'datetime',
        'user_deleted_at' => 'datetime',
        'carddata' => 'array',
        'card_update_pending_at' => 'datetime',

    ];

    protected $fillable = [
        'user_id',
        'member_id',
        'shopping_user_id',
        'is_for',
        'email',
        'payone_userid',
        'payment_provider',
        'stripe_customer_id',
        'stripe_payment_method_id',
        'clearingtype',
        'wallettype',
        'carddata',
        'amount',
        'active',
        'status',
        'abo_interval',
        'start_date',
        'last_date',
        'next_date',
        'onetime_reminder_sent_for',
        'cancel_date',
        'user_deleted_at',
        'card_update_pending_at',
    ];

    public static $aboDeliveryDays = [5, 10, 20, 25];

    public static $statusTypes = [
        0 => 'abo_new',
        1 => 'abo_new',
        2 => 'abo_okay',
        3 => 'abo_hold',
        4 => 'abo_cancel',
        5 => 'abo_finish',
        6 => 'abo_inactive',
        7 => 'abo_grace',
        8 => 'abo_extern_done',
    ];

    public static $statusColors = [
        0 => 'success',
        1 => 'success',
        2 => 'secondary',
        3 => 'warning',
        4 => 'danger',
        5 => 'info',
        6 => 'warning',
        7 => 'danger',
        8 => 'success',
    ];

    /**
     * Aktive Abos (laufend): active=true und kein terminaler/inaktiver Status
     * (4 = storniert, 5 = beendet, 6 = inaktiv). Spiegelt die Definition aus
     * {@see BackofficeDashboardService}.
     */
    public function scopeActiveAbo(Builder $query): Builder
    {
        return $query
            ->where('active', true)
            ->whereNotIn('status', [4, 5, 6]);
    }

    /**
     * Schränkt die Abfrage auf Abos ein, die im angegebenen Monat/Jahr hinzugekommen
     * sind (Eingangsmonat = start_date). Bei month=0 (oder außerhalb 1–12) bleibt die
     * Abfrage unverändert.
     */
    public function scopeAddedInMonth(Builder $query, int $year, int $month): Builder
    {
        if ($month < 1 || $month > 12) {
            return $query;
        }

        return $query
            ->whereYear('start_date', $year)
            ->whereMonth('start_date', $month);
    }

    public function user()
    {
        return $this->belongsTo(User::class, 'user_id');
    }

    public function member()
    {
        return $this->belongsTo(User::class, 'member_id');
    }

    public function shopping_user()
    {
        return $this->belongsTo('App\Models\ShoppingUser', 'shopping_user_id');
    }

    public function user_abo_orders()
    {
        return $this->hasMany(UserAboOrder::class);
    }

    public function initialUserAboOrder(): ?UserAboOrder
    {
        return $this->user_abo_orders()
            ->orderBy('id')
            ->first();
    }

    public function initialShoppingOrder(): ?ShoppingOrder
    {
        return $this->initialUserAboOrder()?->shopping_order;
    }

    public function initialShoppingPayment(): ?ShoppingPayment
    {
        return $this->initialShoppingOrder()?->shopping_payments()
            ->orderBy('id')
            ->first();
    }

    public function isPendingInitialPayment(): bool
    {
        return (int) $this->status === 1;
    }

    public function hasInitialPaymentStatus(): bool
    {
        $payment = $this->initialShoppingPayment();
        $order = $this->initialShoppingOrder();

        return filled($payment?->txaction)
            || filled($payment?->status)
            || filled($order?->txaction);
    }

    public function hasFailedInitialPayment(): bool
    {
        $payment = $this->initialShoppingPayment();
        $order = $this->initialShoppingOrder();

        return in_array($payment?->txaction, ['failed'], true)
            || in_array($payment?->status, ['error', 'cancel'], true)
            || in_array($order?->txaction, ['failed'], true);
    }

    public function canDeletePendingInitialPayment(): bool
    {
        return $this->isPendingInitialPayment() && $this->hasFailedInitialPayment();
    }

    public function isCreditCard(): bool
    {
        return $this->clearingtype === 'cc';
    }

    /**
     * Selbstbedienungs-Detailseite dieses Abos: Berater-eigenes Abo (is_for=me) → CRM,
     * Kunden-Abo → Kundenportal. Genutzt für Recovery-Links (Mail, Checkout-Zurück).
     */
    public function selfServiceDetailUrl(): string
    {
        return $this->is_for === 'me'
            ? rtrim(Util::getMyMivitaUrl(), '/').'/user/abos/detail/me/'.$this->id
            : rtrim(Util::getMyMivitaPortalUrl(), '/').'/portal/my-subscriptions';
    }

    /**
     * Maskierte Kartendarstellung für die Anzeige, z. B. „411111XXXXXX1111 (12/30)".
     * Nutzt ausschließlich Token-/Maskendaten aus carddata (nie PAN/CVC).
     */
    public function maskedCard(): ?string
    {
        if (! $this->isCreditCard()) {
            return null;
        }

        return self::formatMaskedCard(is_array($this->carddata) ? $this->carddata : null);
    }

    /**
     * Baut die maskierte Kartendarstellung aus beliebigen carddata (Token-/Maskendaten).
     *
     * @param  array<string, mixed>|null  $carddata
     */
    public static function formatMaskedCard(?array $carddata): ?string
    {
        $pan = $carddata['truncatedcardpan'] ?? null;
        if (! $pan) {
            // Stripe-Summary (type/brand/last4/exp aus payment_method_details)
            if (! empty($carddata['last4'])) {
                $label = ! empty($carddata['brand']) ? ucfirst($carddata['brand']).' ' : '';
                $exp = ! empty($carddata['exp']) ? ' ('.$carddata['exp'].')' : '';

                return $label.'•••• '.$carddata['last4'].$exp;
            }
            if (! empty($carddata['type'])) {
                return ShoppingPayment::stripeLabelFromSummary($carddata);
            }

            return null;
        }

        $expire = (string) ($carddata['cardexpiredate'] ?? '');
        if (strlen($expire) === 4) {
            return $pan.' ('.substr($expire, 2, 2).'/'.substr($expire, 0, 2).')';
        }

        return $pan;
    }

    public function card_changes(): HasMany
    {
        return $this->hasMany(UserAboCardChange::class)->latest();
    }

    /**
     * Ob der Kreditkarten-Token dieses Abos aktualisiert werden darf. Guard-agnostische
     * Invariante: nur CC-Abos, nicht gelöscht, kein terminaler/inaktiver Status
     * (4 = storniert, 5 = beendet, 6 = inaktiv). Die Eigentümer-/Guard-Prüfung erfolgt
     * zusätzlich im jeweiligen Controller (CRM bzw. Portal).
     */
    public function canUpdatePaymentMethod(): bool
    {
        return $this->isCreditCard()
            && ! $this->trashed()
            && ! in_array((int) $this->status, [4, 5, 6], true);
    }

    /**
     * Zustands-Invariante ohne die "nur CC"-Einschränkung — für den
     * Stripe-Setup-Flow "Zahlungsart ändern" (Plan S5), der jede Zahlart
     * wechseln kann. Welcher Flow gilt, entscheidet
     * {@see AboPaymentMethodService::canStartChange()}.
     */
    public function canChangePaymentMethodAnyType(): bool
    {
        return ! $this->trashed()
            && ! in_array((int) $this->status, [4, 5, 6], true);
    }

    public function user_abo_items()
    {
        return $this->hasMany(UserAboItem::class);
    }

    public function one_time_items()
    {
        return $this->hasMany(UserAboOneTimeItem::class);
    }

    public function user_abo_item_histories()
    {
        return $this->hasMany(UserAboItemHistory::class);
    }

    public function getInitialItems()
    {
        return $this->user_abo_item_histories()
            ->where('is_initial', true)
            ->where('comp', 0)
            ->orderBy('created_at')
            ->get();
    }

    public function getInitialCompItems()
    {
        return $this->user_abo_item_histories()
            ->where('is_initial', true)
            ->where('comp', '>', 0)
            ->orderBy('comp')
            ->get();
    }

    public function getChangeHistory()
    {
        return $this->user_abo_item_histories()
            ->where('is_initial', false)
            ->orderByDesc('created_at')
            ->get();
    }

    public function getCountOrders()
    {
        // sind bezahlte Bestellungen
        return $this->user_abo_orders->where('status', '>=', 2)->count();
    }

    public function getCountPaidOrders()
    {
        // Ausgefuehrte Abo-Lieferungen: bezahlte sowie extern erledigte (Status 8,
        // abo_extern_done) Bestellungen. Extern erledigt = Lieferung ausgefuehrt und
        // Punkte vergeben, daher zaehlt sie wie eine bezahlte Lieferung (z. B. fuer die
        // Mindestlaufzeit), obwohl paid=false bleibt (Inkasso laeuft ausserhalb).
        return $this->user_abo_orders
            ->where('status', '>=', 2)
            ->filter(fn (UserAboOrder $order) => $order->paid || (int) $order->status === 8)
            ->count();
    }

    public function setStartDateAttribute($value)
    {
        $this->attributes['start_date'] = isset($value) ? (new Carbon($value))->format('Y-m-d') : null;
    }

    public function getStartDateAttribute()
    {
        return $this->attributes['start_date'] ? Carbon::parse($this->attributes['start_date'])->format(\Util::formatDateDB()) : '';
    }

    public function setLastDateAttribute($value)
    {
        $this->attributes['last_date'] = isset($value) ? (new Carbon($value))->format('Y-m-d') : null;
    }

    public function getLastDateAttribute()
    {
        return $this->attributes['last_date'] ? Carbon::parse($this->attributes['last_date'])->format(\Util::formatDateDB()) : '';
    }

    public function setNextDateAttribute($value)
    {
        $this->attributes['next_date'] = isset($value) ? (new Carbon($value))->format('Y-m-d') : null;
    }

    public function getNextDateAttribute()
    {
        return $this->attributes['next_date'] ? Carbon::parse($this->attributes['next_date'])->format(\Util::formatDateDB()) : '';
    }

    public function setCancelDateAttribute($value)
    {
        $this->attributes['cancel_date'] = isset($value) ? (new Carbon($value))->format('Y-m-d') : null;
    }

    public function getCancelDateAttribute()
    {
        return $this->attributes['cancel_date'] ? Carbon::parse($this->attributes['cancel_date'])->format(\Util::formatDateDB()) : '';
    }

    public function getFormattedAmount(): string
    {
        return isset($this->attributes['amount']) ? Util::formatNumber($this->attributes['amount'] / 100) : '';
    }

    public function getTotalPoints(): float
    {
        return $this->user_abo_items
            ->where('comp', 0)
            ->sum(fn ($item) => ($item->product?->points ?? 0) * $item->qty);
    }

    public function getFormattedTotalPoints(): string
    {
        return Util::formatNumber($this->getTotalPoints());
    }

    public function getIsForFormated()
    {
        return $this->attributes['is_for'] === 'me' ? '<span class="badge badge-outline-warning-dark">'.__('tables.adviser').'</span>' : '<span class="badge badge-outline-info">'.__('tables.customer').'</span>';
    }

    public function getStatusFormated()
    {
        return '<span class="badge  badge-pill badge-'.$this->getStatusColor().'">'.$this->getStatusType().'</span>';
    }

    public function getStatusType()
    {
        return isset(self::$statusTypes[$this->status]) ? __('abo.'.self::$statusTypes[$this->status]) : '';
    }

    public function getStatusColor()
    {
        return isset(self::$statusColors[$this->status]) ? self::$statusColors[$this->status] : 'default';
    }

    public function getPaymentType()
    {
        if ($this->payment_provider === PaymentProvider::Stripe->value) {
            return ShoppingPayment::stripeLabelFromSummary(is_array($this->carddata) ? $this->carddata : []);
        }

        return $this->clearingtype === 'wlt' ? __('payment.paypal') : __('payment.credit_card');
    }
}