<?php namespace TierPricingTable\Addons\UserBasedPricing;

use TierPricingTable\PricingRule;

class PricingService {
	
	public function __construct() {
		/**
		 * Main function to filter the tiered pricing rules
		 *
		 * @priority 25 (Runs after RoleBasedPricing which is 20)
		 */
		add_filter( 'tiered_pricing_table/price/pricing_rule', array(
			$this,
			'addPricing',
		), 25, 2 );
	}
	
	/**
	 * Main function to filter pricing rules with user-based pricing rule data
	 *
	 * @param  PricingRule  $pricingRule
	 * @param $productId
	 *
	 * @return PricingRule
	 */
	public function addPricing( PricingRule $pricingRule, $productId ): PricingRule {
		
		$product = wc_get_product( $productId );
		
		if ( ! $product ) {
			return $pricingRule;
		}
		
		$userBasedRule = UserBasedPricingRulesRepository::getInstance()->getCurrentUserRule( $product );
		
		if ( ! $userBasedRule ) {
			return $pricingRule;
		}
		
		$pricingRule->setType( $userBasedRule->getTieredPricingType() );
		$pricingRule->setRules( $userBasedRule->getTieredPricingRules() );
		$pricingRule->setMinimum( $userBasedRule->getMinimumOrderQuantity() );
		
		$pricingRule->pricingData['pricing_type'] = $userBasedRule->getPricingType();
		
		$pricingRule->pricingData['regular_price'] = $userBasedRule->getRegularPrice();
		$pricingRule->pricingData['sale_price']    = $userBasedRule->getSalePrice();
		
		$pricingRule->pricingData['discount']      = $userBasedRule->getDiscount();
		$pricingRule->pricingData['discount_type'] = $userBasedRule->getDiscountType();
		
		$pricingRule->pricingData['tax_status'] = $userBasedRule->getTaxStatus();
		$pricingRule->pricingData['tax_class']  = $userBasedRule->getTaxClass();
		
		$pricingRule->provider             = 'user-based';
		$pricingRule->providerData['user'] = $userBasedRule->getUserId();
		
		$pricingRule->logPricingModification( '[user-based]: Pricing rule is overridden by the rule for user ID: ' . $userBasedRule->getUserId() );
		
		do_action( 'tiered_pricing_table/user_based_pricing/after_adjusting_pricing_rule', $pricingRule, $userBasedRule,
			$productId );
		
		return $pricingRule;
	}
}