<?php

namespace common\logic\Product\ProductPrice;

use common\logic\BaseService;
use common\logic\PointSale\PointSale\PointSale;
use common\logic\SolverInterface;
use common\logic\User\User\User;

class ProductPriceSolver extends BaseService implements SolverInterface
{
    // getSpecificPricesFilterByPriorityMatch
    public function filterByPriorityMatch(
        array $specificPrices,
        User $user,
        PointSale $pointSale): array
    {
        $priorityMatchSpecificPrice =  $this->getPriorityMatch($specificPrices, $user, $pointSale);
        $specificPricesFilter = [];

        foreach ($specificPrices as $keySpecificPrice => $specificPrice) {
            if (($priorityMatchSpecificPrice && $specificPrice->$priorityMatchSpecificPrice($user, $pointSale))
                || $specificPrice->matchFromQuantityOnly()) {

                $specificPricesFilter[] = $specificPrice;
            }
        }

        return $specificPricesFilter;
    }

    // getPriorityMatchOfSpecificPriceArray
    public function getPriorityMatch(
        array $specificPriceArray,
        User $user = null,
        PointSale $pointSale = null): ?string
    {
        $typeMatchArray = [
            'matchUser',
            'matchUserGroup',
            'matchPointSale',
            'matchUserPointSale',
            'matchUserGroupPointSale'
        ];

        foreach($typeMatchArray as $typeMatch) {
            if($this->hasMatchOfType($specificPriceArray, $typeMatch, $user, $pointSale)) {
                return $typeMatch;
            }
        }

        return null;
    }

    public function hasMatchOfType(
        array $specificPriceArray,
        string $typeMatch,
        User $user = null,
        PointSale $pointSale = null): bool
    {
        foreach($specificPriceArray as $specificPrice) {
            if($specificPrice->$typeMatch($user, $pointSale)) {
                return true;
            }
        }

        return false;
    }

    public function matchUser(ProductPrice $productPrice, User $user = null, PointSale $pointSale = null): bool
    {
        return $user
            && $productPrice->id_user
            && !$productPrice->id_point_sale
            && !$productPrice->id_user_group
            && $productPrice->id_user == $user->id;
    }

    public function matchUserGroup(ProductPrice $productPrice, User $user = null, PointSale $pointSale = null): bool
    {
        return $user
            && $productPrice->id_user_group
            && !$productPrice->id_point_sale
            && !$productPrice->id_user
            && $user->belongsToUserGroup($productPrice->id_user_group);
    }

    public function matchPointSale(ProductPrice $productPrice, User $user = null, PointSale $pointSale = null): bool
    {
        return $pointSale
            && $productPrice->id_point_sale
            && !$productPrice->id_user
            && !$productPrice->id_user_group
            && $productPrice->id_point_sale == $pointSale->id;
    }

    public function matchUserPointSale(ProductPrice $productPrice, User $user = null, PointSale $pointSale = null): bool
    {
        return $pointSale && $user
            && $productPrice->id_point_sale
            && $productPrice->id_user
            && $productPrice->id_point_sale == $pointSale->id
            && $productPrice->id_user == $user->id;
    }

    public function matchUserGroupPointSale(ProductPrice $productPrice, User $user = null, PointSale $pointSale = null): bool
    {
        return $user
            && $pointSale
            && $productPrice->id_user_group
            && $productPrice->id_point_sale
            && !$productPrice->id_user
            && $user->belongsToUserGroup($productPrice->id_user_group)
            && $productPrice->id_point_sale == $pointSale->id;
    }

    public function matchFromQuantityOnly(ProductPrice $productPrice): bool
    {
        return !$productPrice->id_user
            && !$productPrice->id_point_sale
            && !$productPrice->id_user_group
            && $productPrice->from_quantity;
    }
}