<?php


namespace KommaApp\Shop\Products;

use Carbon\Carbon;
use KommaApp\Shop\Entities\AbstractEntity;

class ProductEntity extends AbstractEntity
{
    public $id = null;
    public $internal_article_number = '';
    public $pick_number = '';
    public $article_number = '';
    public $bypass = false;
    public $filter_class = '';
    public $pollen_filter = 0;
    public $fine_dust_filter = false;
    public $size = '';
    public $unit_type = '';
    public $volume = '';

    public $brand_name = '';
    public $supplier_name = '';
    public $is_filter_set = null;
    public $product_group = '';

    public $images = [];

    public $discounts = [];

    public $large_brand_image_url = '';
    public $small_brand_image_url = '';

    public $price = 0;

    public $name = '';
    public $filter_type = '';
    public $description = '';
    public $composition = '';
    public $composition_formatted = '';
    public $model = '';
    public $notes = '';
    public $warning = '';

    public $meta_title = '';
    public $meta_description = '';


    public $special_1 = '';
    public $special_2 = '';

    public $category_id = null;

    public $route = '';

    public $tax_name = '';
    public $tax_rate = '';

    public function setComposition($composition)
    {
        $this->composition = $composition;
        $this->composition_formatted = $this->getFormattedComposition();
    }

    public function getFormattedComposition()
    {
        if( ! empty($this->composition))
        {
            return \View::make('partials.composition')->withComposition($this->composition)->render();
        }
        return '';
    }

    public function getParent()
    {
        if($this->parent != null) return $this->parent;
        return false;
    }

    public function getPriceExVat($quantity = 1)
    {
        return round(($this->price * $quantity) / ((100 + $this->tax_rate) / 100));
    }

    public function getOriginalPrice($quantity)
    {
        return $this->price * $quantity;
    }

    public function getDiscountPriceExVat($quantity, $couponCode = null, $batchId = null)
    {
        return round($this->getDiscountPrice($quantity, $couponCode, $batchId) / ((100 + $this->tax_rate) / 100));
    }

    public function getDiscountPrice($quantity, $couponCode = null, $batchId = null)
    {
        $discountPrice = $this->price * $quantity;
        $applicableDiscounts = $this->getApplicableDiscountRules($quantity, $couponCode, $batchId);

        foreach($applicableDiscounts as $discount)
        {
            if(is_numeric($discount->discount_percentage))
            {
                $discountPrice = $discountPrice * (1-($discount->discount_percentage / 100));
            }

            // Gratis producten worden niet meegenomen in de prijs.

            /*if(is_numeric($discount->discount_fraction))
            {
                $discountPrice -= $this->price * $discount->discount_fraction;
            }*/

            if(is_numeric($discount->discount_absolute))
            {
                $discountPrice -= $discount->discount_absolute;
            }
        }
        return round($discountPrice);
    }

    public function getNumberOfFreeProducts($quantity, $couponCode = null, $batchId = null)
    {

        $nFreeProducts = 0;
        $applicableDiscounts = $this->getApplicableDiscountRules($quantity, $couponCode, $batchId);


        foreach($applicableDiscounts as $discount)
        {
            if(is_numeric($discount->discount_fraction))
            {
                //Check if the discount is cumulative
                if(isset($discount->is_cumulative ) && $discount->is_cumulative == 1){
                    //Yes. floor() the fraction of the quantity to the min quantity and multiply by the fraction, add this to free products
                    $nFreeProducts += floor($quantity/$discount->quantity_min)*$discount->discount_fraction;
                    continue;
                }
                //No
                $nFreeProducts += $discount->discount_fraction;
            }

        }
        return $nFreeProducts;
    }

    public function getDiscountSummary($quantity, $couponCode = null, $batchId = null, $exTax = false)
    {
        $applicableDiscounts = $this->getApplicableDiscountRules($quantity, $couponCode, $batchId);
        $output = [];

        foreach($applicableDiscounts as $discount)
        {
            if(is_numeric($discount->discount_percentage))
            {
                //$output[] = $discount->discount_percentage.'%';
                // Tops specifiek: QnD - Percentage als eerste laten zien
                array_unshift($output,$discount->discount_percentage . '%');
            }
            if(is_numeric($discount->discount_fraction))
            {
                $amount = $discount->discount_fraction;
                if($discount->is_cumulative){
                    $amount = floor($quantity/$discount->quantity_min);
                }

                $output[] = '<span class="small">' . $amount . ' '.\Lang::get('pages/products.free').'</span>';
            }
            if(is_numeric($discount->discount_absolute))
            {
                $discountAbsolute = $exTax ? $discount->discount_absolute / ((100 + $this->tax_rate) / 100) : $discount->discount_absolute;
                $output[] = \Format::asPrice($discountAbsolute, ['currency' => '€']);
            }
        }

        if(count($output) < 1) return '-';

        return implode('<br/>', $output);
    }

    public function hasDiscount($quantity, $couponCode = null, $batchId = null)
    {
        return count($this->getApplicableDiscountRules($quantity, $couponCode, $batchId)) > 0;
    }

    public function hasNoShippingCosts($quantity, $couponCode = null, $batchId = null)
    {
        $discounts = $this->getApplicableDiscountRules($quantity, $couponCode, $batchId);
        foreach($discounts as $discount)
        {
            if($discount->discount_no_shipping_costs == 1) return true;
        }
        return false;
    }

    protected function getApplicableDiscountRules($quantity, $couponCode = null, $batchId = null)
    {
        if($couponCode) $couponCode = sha1($couponCode);

        $applicableDiscounts = [];

        foreach($this->discounts as $discount)
        {
            if(
                ($discount->quantity_min == null or $discount->quantity_min <= $quantity) and
                ($discount->quantity_max == null or $discount->quantity_max >= $quantity) and
                ($discount->date_min == null or Carbon::parse($discount->date_min) <= Carbon::now()) and
                ($discount->date_max == null or Carbon::parse($discount->date_max) >= Carbon::now()) and
                ($discount->custom_coupon_code == null or $discount->custom_coupon_code == $couponCode) and
                ($discount->coupon_batch_id == null or $discount->coupon_batch_id == $batchId)
            ){
                $applicableDiscounts[] = $discount;
                if($discount->is_final == 1) break;
            }
        }

        return $applicableDiscounts;
    }

    public function getName(){
        $title_parts = [];
        if (strtolower($this->brand_name) != 'toebehoren') {
            $title_parts[] = $this->brand_name;
        }
        $title_parts[] = $this->name;
        $title_parts[] = $this->filter_class;
        return implode(' ', $title_parts);
    }

}