<?php

namespace App\Models;

use App\Models\Campagne;
use Illuminate\Database\Eloquent\Factories\HasFactory;
use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\BelongsTo;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Illuminate\Support\Str;

class Basket extends Model
{
    use HasFactory;

    protected $fillable = [
        'campagne_id'
    ];

    /**
     * Customer model relation
     * @return BelongsTo
     */
    public function customer()
    {
        return $this->belongsTo(Customers::class, 'customer_id', 'id');
    }

    /**
     * Campagne model relation
     * @return BelongsTo
     */
    public function campagne()
    {
        return $this->belongsTo(Campagne::class, 'campagne_id', 'camp_id');
    }

    /**
     * BasketContent model relation
     * @return HasMany
     */
    public function contents()
    {
        return $this->hasMany(BasketContent::class);
    }

    public static function updateContent(Campagne $campagne, array $coupons, Customers $customer)
    {
        $basket = self::where(['campagne_id' => $campagne->camp_id, 'customer_id' => $customer->id])->first();

        if (!$basket) {
            $basket = new Basket();
            $basket->uuid = (string) Str::uuid();
            $basket->campagne()->associate($campagne);
            $basket->customer()->associate($customer);
            $basket->save();
        }

        foreach ($coupons as $couponId => $quantity) {
            $associatedCoupon = $campagne->coupons()->where('coupon_id', $couponId)->first();

            if ($associatedCoupon) {
                $basketContent = BasketContent::where(['basket_id' => $basket->id, 'coupon_id' => $associatedCoupon->coupon_id])->first();
                if ($basketContent) {
                    $basketContent->quantity += $quantity;
                    $basketContent->save();
                } else {
                    if ($quantity > 0) {
                        $newBasketContent = new BasketContent();
                        $newBasketContent->basket_id = $basket->id;
                        $newBasketContent->coupon_id = $associatedCoupon->coupon_id;
                        $newBasketContent->quantity = $quantity;
                        $newBasketContent->save();
                    }
                }
            }

        }

        return $basket;
    }
}