<?php

namespace App\Http\Livewire\Frontend\Product;

use App\Http\Livewire\ConvertEmptyStringsToNull;
use App\Http\Livewire\General;
use App\Models\Option;
use App\Models\OptionProduct;
use App\Models\OptionValue;
use App\Models\Product;
use App\Models\ProductDemand;
use Gloudemans\Shoppingcart\Facades\Cart;
use Livewire\Component;

class Info extends Component
{
    use ConvertEmptyStringsToNull, General;

    public Product $product;

    public $price = null;

    public $special = null;

    public $stock = null;

    public $selectedValueId = null;

    public $selectedOptionId = null;

    public $optionName;

    public $quantity;

    public function mount()
    {
        $this->quantity = 1;
        $optionProduct = OptionProduct::query()
            ->where('product_id', $this->product->id)
            ->first();

        if ($optionProduct) {
            $this->selectedOptionId = $optionProduct->option_id;
            $this->selectedValueId = $optionProduct->value_id;
            // $this->price = $optionProduct->price;
            // $this->special = $optionProduct->special_mask;
            
            $this->price = ($this->product->price) + $optionProduct->price;
            $this->special =   $this->product->special + $optionProduct->price;
        
            $this->stock = $optionProduct->stock;
            $option = Option::find($this->selectedOptionId);
            $value = OptionValue::find($this->selectedValueId);
            $this->optionName = $option->name.': '.$value->name;
        } else {
            $this->price = $this->product->price;
            $this->special = $this->product->special_mask;
            $this->stock = $this->product->stock;
        }
    }

    public function increment()
    {
        $this->quantity++;
    }

    public function decrement()
    {
        if ($this->quantity > 1) {
            $this->quantity--;
        }
    }

    public function render()
    {
        return view('livewire.frontend.product.info');
    }

    protected $listeners = ['optionChanged'];

    public function optionChanged($option_id, $value_id)
    {
        $this->selectedOptionId = $option_id;
        $this->selectedValueId = $value_id;
        $optionProduct = OptionProduct::query()
            ->where('product_id', $this->product->id)
            ->where('value_id', $value_id)
            ->where('option_id', $option_id)
            ->first();
        $option = Option::find($this->selectedOptionId);
        $value = OptionValue::find($this->selectedValueId);
        $this->optionName = $option->name.': '.$value->name;
        // $this->price = $optionProduct->price;
        // $this->special = $optionProduct->special_mask;
        
        $this->price = ($this->product->special ?: $this->product->price) + $optionProduct->price;
        $this->special =   $this->product->special + $optionProduct->price;
        
        $this->stock = $optionProduct->stock;
    }

    public function addToCart()
    {
        if (! checkSaleStatus()) {
            $this->doneMessage('در حال حاضر فروش محصولات غیرفعال می‌باشد، لطفا بعدا امتحان کنید.', 'warning');

            return redirect()->route('index');
        }
        $this->quantity = (((int) $this->quantity) > 0) ? (int) $this->quantity : 1;
        $options = $this->createOptions();
    
        $cart = $this->checkCart($options);
        $canBuyStatus = $this->product->canBuy($this->quantity, $options, $this->special ?: $this->price);

        if ($canBuyStatus == 'OK') {
     
            if ($cart) {
                Cart::update($cart->rowId, ['qty' => $this->quantity]);
            } else {
                Cart::add([
                    'id' => $this->product->id,
                    'name' => $this->special ? $this->price : 'none', // Store without special price
                    'qty' => $this->quantity,
                    'price' => $this->special ?: $this->price,
                    'options' => $options,
                ]);
            }
            $this->ajaxDoneMessage('با موفقیت به سبد خرید اضافه شد.');
            $this->emit('cartChanged');
            $this->emit('updateTotalCartPrice', Cart::subtotal(0), Cart::count());
        } else {
            $this->ajaxDoneMessage($canBuyStatus, 'error');
        }
    }

    private function checkCart(array $options)
    {
        if (Cart::count()) {
            $cart = Cart::content()->where('id', $this->product->id);
            if (count($options)) {
                $cart = $cart->where('options.value_id', $this->selectedValueId);
            }

            return $cart->first();
        }

        return null;
    }

    private function createOptions(): array
    {
        $options = [];
        if ($this->selectedValueId) {
            $options = [
                'option_id' => $this->selectedOptionId,
                'value_id' => $this->selectedValueId,
                'name' => $this->optionName,
            ];
        }

        return $options;
    }

    public function demand()
    {
        if (! $this->canDemand()) {
            $this->ajaxDoneMessage('برای اطلاع از موجود شدن این محصول ابتدا باید وارد حساب کاربری خود شوید', 'error');

            return;
        }

        if (auth()->user()->hasDemanded($this->product->id, $this->selectedValueId)) {
            $this->ajaxDoneMessage('اطلاع‌رسانی موجود شدن این محصول برای شما غیرفعال شد', 'info');

            ProductDemand::where('user_id', auth()->id())
                ->where('product_id', $this->product->id)
                ->when($this->selectedValueId, function ($query) {
                    return $query->where('value_id', $this->selectedValueId);
                })->delete();
        } else {
            $this->ajaxDoneMessage('اطلاع‌رسانی موجود شدن این محصول برای شما فعال شد');

            ProductDemand::create(['user_id' => auth()->id(), 'product_id' => $this->product->id, 'value_id' => $this->selectedValueId]);
        }
    }

    private function canDemand(): bool
    {
        return $this->stock == 0 && auth()->check();
    }
}