<?php

namespace Webkul\Shop\Http\Resources;

use Illuminate\Http\Resources\Json\JsonResource;
use Webkul\Tax\Facades\Tax;
use Carbon\Carbon;

class CartResource extends JsonResource
{
    /**
     * Transform the resource into an array.
     *
     * @param  \Illuminate\Http\Request  $request
     * @return array
     */
    public function toArray($request)
    {
        $taxes = collect(Tax::getTaxRatesWithAmount($this, true))->map(function ($rate) {
            return core()->currency($rate ?? 0);
        });

        return [
            'id'                                 => $this->id,
            'is_guest'                           => $this->is_guest,
            'customer_id'                        => $this->customer_id,
            'items_count'                        => $this->items_count,
            'items_qty'                          => $this->items_qty,
            'applied_taxes'                      => $taxes,
            'tax_total'                          => $this->tax_total,
            'formatted_tax_total'                => core()->formatPrice($this->tax_total),
            'sub_total_incl_tax'                 => $this->sub_total_incl_tax,
            'sub_total'                          => $this->sub_total,
            'formatted_sub_total_incl_tax'       => core()->formatPrice($this->sub_total_incl_tax),
            'formatted_sub_total'                => core()->formatPrice($this->sub_total),
            'coupon_code'                        => $this->coupon_code,
            'discount_amount'                    => $this->discount_amount,
            'formatted_discount_amount'          => core()->formatPrice($this->discount_amount),
            'shipping_method'                    => $this->shipping_method,
            'shipping_amount'                    => $this->shipping_amount,
            'formatted_shipping_amount'          => core()->formatPrice($this->shipping_amount),
            'shipping_amount_incl_tax'           => $this->shipping_amount_incl_tax,
            'formatted_shipping_amount_incl_tax' => core()->formatPrice($this->shipping_amount_incl_tax),
            'grand_total'                        => $this->grand_total,
            'formatted_grand_total'              => core()->formatPrice($this->grand_total),
            'items'                              => CartItemResource::collection($this->items),
            'billing_address'                    => new AddressResource($this->billing_address),
            'shipping_address'                   => new AddressResource($this->shipping_address),
            'have_stockable_items'               => $this->haveStockableItems(),
            'payment_method'                     => $this->payment?->method,
            'payment_method_title'               => core()->getConfigData('sales.payment_methods.'.$this->payment?->method.'.title'),
            'vip_status'                         => $this->getVipStatus(),
            $this->mergeWhen($this->giftcard_number, [
                'giftcard_number'           => $this->giftcard_number,
                'giftcard_amount'           => $this->giftcard_amount,
                'base_giftcard_amount'           => $this->base_giftcard_amount,
                'formatted_giftcard_amount'           => core()->formatPrice($this->giftcard_amount),
                'remaining_giftcard_amount' => $this->remaining_giftcard_amount,
                'formatted_remaining_giftcard_amount' => core()->formatPrice($this->remaining_giftcard_amount),
            ]),
            $this->mergeWhen($this->vip_plus_amount && $this->vip_plus_amount > 0, [
                'vip_plus_amount'           => $this->vip_plus_amount,
                'base_vip_plus_amount'      => $this->base_vip_plus_amount,
                'formatted_vip_plus_amount' => core()->formatPrice($this->vip_plus_amount),
            ]),
            $this->mergeWhen($this->vip_discount_amount && $this->vip_discount_amount > 0, [
                'vip_discount_amount'           => $this->vip_discount_amount,
                'base_vip_discount_amount'      => $this->base_vip_discount_amount,
                'formatted_vip_discount_amount' => core()->formatPrice($this->vip_discount_amount),
            ]),
        ];

    }
    /**
     * Get VIP status for current customer.
     *
     * @return array
     */
    protected function getVipStatus(): array
    {
        if (!auth()->guard('customer')->check()) {
            return [
                'is_vip' => false,
                'vip_expire_date' => null,
                'days_remaining' => 0,
                'can_show_discount' => true,
            ];
        }

        $customer = auth()->guard('customer')->user();

        if (!$customer->vip_expire_date) {
            return [
                'is_vip' => false,
                'vip_expire_date' => null,
                'days_remaining' => 0,
                'can_show_discount' => true,
            ];
        }

        $expireDate = Carbon::parse($customer->vip_expire_date);
        $isExpired = $expireDate->isPast();
        $daysRemaining = $isExpired ? 0 : now()->diffInDays($expireDate, false);

        return [
            'is_vip' => !$isExpired,
            'vip_expire_date' => $customer->vip_expire_date,
            'days_remaining' => $daysRemaining,
            'can_show_discount' => $isExpired,
        ];
    }
}