<?php

namespace Lc\CaracoleBundle\Resolver;

use Lc\CaracoleBundle\Model\Order\OrderShopInterface;
use Lc\CaracoleBundle\Model\Product\ProductFamilyInterface;
use Lc\CaracoleBundle\Model\Product\ProductFamilyModel;
use Lc\CaracoleBundle\Solver\Order\OrderShopSolver;
use Lc\CaracoleBundle\Solver\Price\PriceSolver;
use Lc\CaracoleBundle\Solver\Product\ProductFamilySolver;

class ProductFamilyResolver
{
    protected PriceSolver $priceSolver;
    protected ProductFamilySolver $productFamilySolver;
    protected OrderShopSolver $orderShopSolver;

    public function __construct(PriceSolver $priceSolver, ProductFamilySolver $productFamilySolver, OrderShopSolver $orderShopSolver)
    {
        $this->priceSolver = $priceSolver;
        $this->productFamilySolver = $productFamilySolver;
        $this->orderShopSolver = $orderShopSolver;
    }

    public function getMultiplyingFactor(ProductFamilyInterface $productFamily)
    {
        if ($productFamily->getBehaviorPrice() == ProductFamilyModel::BEHAVIOR_PRICE_BY_PIECE) {
            if ($productFamily->getBuyingPrice() > 0) {
                return number_format(
                    $this->priceSolver->getPriceWithTax($productFamily) / $productFamily->getBuyingPrice(),
                    3
                );
            }
        } elseif ($productFamily->getBehaviorPrice() == ProductFamilyModel::BEHAVIOR_PRICE_BY_REFERENCE_UNIT) {
            if ($productFamily->getBuyingPriceByRefUnit() > 0) {
                return number_format(
                    $this->priceSolver->getPriceByRefUnitWithTax(
                        $productFamily
                    ) / $productFamily->getBuyingPriceByRefUnit(),
                    3
                );
            }
        }
    }

    public function getCheapestProduct(ProductFamilyInterface $productFamily, OrderShopInterface $orderShop = null)
    {
        $priceSolver = $this->priceSolver;

        return $this->getCheapestOrMostExpensiveProduct(
            $productFamily,
            function ($a, $b) use ($priceSolver) {
                return $priceSolver->getPriceWithTaxAndReduction(
                        $a
                    ) > $priceSolver->getPriceWithTaxAndReduction($b);
            },
            true,
            $orderShop
        );
    }

    public function getCheapestProductByRefUnit(ProductFamilyInterface $productFamily, OrderShopInterface $orderShop = null)
    {
        $priceSolver = $this->priceSolver;

        return $this->getCheapestOrMostExpensiveProduct(
            $productFamily,
            function ($a, $b) use ($priceSolver) {
                return $priceSolver->getPriceByRefUnitWithTaxAndReduction(
                        $a
                    ) > $priceSolver->getPriceByRefUnitWithTaxAndReduction($b);
            },
            false,
            $orderShop
        );
    }

    public function getMostExpensiveProductByRefUnit(ProductFamilyInterface $productFamily, OrderShopInterface $orderShop = null)
    {
        $priceSolver = $this->priceSolver;

        return $this->getCheapestOrMostExpensiveProduct(
            $productFamily,
            function ($a, $b) use ($priceSolver) {
                return $priceSolver->getPriceByRefUnitWithTaxAndReduction(
                        $a
                    ) < $priceSolver->getPriceByRefUnitWithTaxAndReduction($b);
            },
            false,
            $orderShop
        );
    }

    private function getCheapestOrMostExpensiveProduct(
        ProductFamilyInterface $productFamily,
                               $comparisonFunction,
                               $returnSelfIfNotActiveProducts,
        OrderShopInterface     $orderShop = null
    )
    {
        if ($productFamily->getActiveProducts()) {
            $products = $this->productFamilySolver->getProductsOnline($productFamily)->getValues();

            if (count($products) > 0) {
                usort($products, $comparisonFunction);

                if($orderShop) {
                    foreach ($products as $product) {
                        if ($this->orderShopSolver->isProductAvailable($orderShop->getSection(), $orderShop, $product, 1, true)) {
                            return $product;
                        }
                    }
                }

                return $products[0];
            }
        } else {
            return $this->productFamilySolver->getOriginProduct($productFamily);
        }
        if ($returnSelfIfNotActiveProducts) {
            return $productFamily;
        } else {
            return false;
        }
    }
}