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Filename : ProductBundle.php
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<?php

namespace App\Models;

use Illuminate\Database\Eloquent\Model;
use Illuminate\Database\Eloquent\Relations\HasMany;
use Carbon\Carbon;

use App\Traits\StorageTrait;

class ProductBundle extends Model
{
    use StorageTrait;

    protected $fillable = [
        'title',
        'slug',
        'description',
        'bundle_price',
        'discount_type',
        'discount_amount',
        'image',
        'priority',
        'start_date',
        'end_date',
        'status',
        // 'has_gift',
        // 'gift_type',
        // 'gift_money_type',
        // 'gift_money_value',
        // 'gift_money_products',
        // 'gift_product_quantity',
        // 'gift_product_list',
    ];

    protected $casts = [
        'start_date' => 'datetime',
        'end_date' => 'datetime',
        'status' => 'boolean',
        'bundle_price' => 'decimal:2',
        'discount_amount' => 'decimal:2',
        'priority' => 'integer',
        // 'has_gift' => 'boolean',
        // 'gift_money_products' => 'array',
        // 'gift_product_list' => 'array',
        // 'gift_money_value' => 'decimal:2',
        // 'gift_product_quantity' => 'integer',
    ];

    protected $appends = ['image_full_url'];

    /**
     * Get the bundle items
     */
    public function bundleItems(): HasMany
    {
        return $this->hasMany(ProductBundleItem::class, 'bundle_id');
    }

    /**
     * Calculate original price (sum of all products)
     */
    public function getOriginalPrice(): float
    {
        $total = 0;
        foreach ($this->bundleItems as $item) {
            if ($item->product) {
                $total += $item->product->unit_price * $item->quantity;
            }
        }
        return $total;
    }

    /**
     * Calculate savings amount
     */
    public function getSavingsAmount(): float
    {
        $original = $this->getOriginalPrice();
        return $original - $this->bundle_price;
    }

    /**
     * Calculate savings percentage
     */
    public function getSavingsPercentage(): float
    {
        $original = $this->getOriginalPrice();
        if ($original <= 0) {
            return 0;
        }
        return ($this->getSavingsAmount() / $original) * 100;
    }

    /**
     * Check if bundle is currently active
     */
    public function isActive(): bool
    {
        if (!$this->status) {
            return false;
        }

        $now = Carbon::now();

        if ($this->start_date && $now->lt($this->start_date)) {
            return false;
        }

        if ($this->end_date && $now->gt($this->end_date)) {
            return false;
        }

        return true;
    }

    /**
     * Get active bundles
     */
    public function scopeActive($query)
    {
        return $query->where('status', 1)
            ->where(function ($q) {
                $q->whereNull('start_date')
                    ->orWhere('start_date', '<=', Carbon::now());
            })
            ->where(function ($q) {
                $q->whereNull('end_date')
                    ->orWhere('end_date', '>=', Carbon::now());
            });
    }

    /**
     * Get discounted price
     */
    public function getDiscountedPrice(): float
    {
        if ($this->discount_type === 'percentage') {
            return $this->bundle_price - ($this->bundle_price * ($this->discount_amount / 100));
        }

        return $this->bundle_price - $this->discount_amount;
    }

    /**
     * Get final price (considering both bundle price and additional discount)
     */
    public function getFinalPrice(): float
    {
        if ($this->discount_amount > 0) {
            return $this->getDiscountedPrice();
        }
        return $this->bundle_price;
    }

    /**
     * Check if bundle has a gift
     */
    /*
    // Legacy Gift Methods - Moved to GiftConfiguration
    public function hasGift(): bool
    {
        return $this->has_gift && $this->gift_type !== null;
    }

    public function getGiftType(): ?string
    {
        return $this->gift_type;
    }

    public function calculateCashback(float $bundlePrice = null): float
    {
        if (!$this->hasGift() || $this->gift_type !== 'money_wise') {
            return 0;
        }

        $price = $bundlePrice ?? $this->getFinalPrice();

        if ($this->gift_money_type === 'percentage') {
            return ($price * $this->gift_money_value) / 100;
        }

        return $this->gift_money_value;
    }

    public function getGiftMoneyProducts(): array
    {
        if ($this->gift_type !== 'money_wise') {
            return [];
        }

        return $this->gift_money_products ?? [];
    }

    public function getGiftProductOptions(): array
    {
        if ($this->gift_type !== 'product_wise') {
            return [];
        }

        return $this->gift_product_list ?? [];
    }

    public function getMaxGiftQuantity(): int
    {
        if ($this->gift_type !== 'product_wise') {
            return 0;
        }

        return $this->gift_product_quantity;
    }

    public function validateGiftProductSelection(array $selectedIds): array
    {
        if ($this->gift_type !== 'product_wise') {
            return ['valid' => false, 'message' => translate('invalid_gift_type')];
        }

        // Check quantity limit
        if (count($selectedIds) > $this->gift_product_quantity) {
             return ['valid' => false, 'message' => translate('gift_quantity_limit_exceeded')];
        }

        // Check if all selected products are in the allowed list
        $allowedProducts = $this->gift_product_list ?? [];
        foreach ($selectedIds as $productId) {
            if (!in_array($productId, $allowedProducts)) {
                 return ['valid' => false, 'message' => translate('selected_product_is_not_allowed_as_gift')];
            }
        }

        return ['valid' => true];
    }
    */

    public function getImageFullUrlAttribute(): array
    {
        $value = $this->image;
        return $this->storageLink('bundle', $value, 'public');
    }
}