<?php
/**
 * Booster for WooCommerce - Module - Gateways Currency Converter
 *
 * @version 4.3.0
 * @since   2.3.0
 * @author  Algoritmika Ltd.
 */

if ( ! defined( 'ABSPATH' ) ) exit;

if ( ! class_exists( 'WCJ_Payment_Gateways_Currency' ) ) :

class WCJ_Payment_Gateways_Currency extends WCJ_Module {

	/**
	 * Constructor.
	 *
	 * @version 4.0.0
	 * @since   2.3.0
	 */
	function __construct() {

		$this->id         = 'payment_gateways_currency';
		$this->short_desc = __( 'Gateways Currency Converter', 'woocommerce-jetpack' );
		$this->desc       = __( 'Currency converter for payment gateways.', 'woocommerce-jetpack' );
		$this->link_slug  = 'woocommerce-payment-gateways-currency-converter';
		parent::__construct();

		if ( $this->is_enabled() ) {
			$this->page_scope = get_option( 'wcj_gateways_currency_page_scope', 'cart_and_checkout' );
			$this->add_hooks();
			if ( is_admin() ) {
				include_once( 'reports/class-wcj-currency-reports.php' );
			}
			if ( 'yes' === get_option( 'wcj_gateways_currency_fix_chosen_payment_method', 'no' ) ) {
				add_action( 'woocommerce_checkout_update_order_review', array( $this, 'fix_chosen_payment_method' ) );
			}
		}
	}

	/**
	 * add_hooks.
	 *
	 * @version 3.9.0
	 * @since   2.3.2
	 */
	function add_hooks() {
		add_filter( 'woocommerce_currency',                      array( $this, 'change_currency_code' ), PHP_INT_MAX, 1 );

		add_filter( 'woocommerce_paypal_supported_currencies',   array( $this, 'extend_paypal_supported_currencies' ), PHP_INT_MAX, 1 );

		add_filter( WCJ_PRODUCT_GET_PRICE_FILTER,                array( $this, 'change_price_by_gateway' ), PHP_INT_MAX, 2 );
		add_filter( 'woocommerce_product_variation_get_price',   array( $this, 'change_price_by_gateway' ), PHP_INT_MAX, 2 );

		add_filter( 'woocommerce_package_rates',                 array( $this, 'change_shipping_price_by_gateway' ), PHP_INT_MAX, 2 );

		add_action( 'wp_enqueue_scripts',                        array( $this, 'enqueue_checkout_script' ) );
		add_action( 'init',                                      array( $this, 'register_script' ) );
	}

	/**
	 * fix_chosen_payment_method.
	 *
	 * @version 3.9.0
	 * @since   3.9.0
	 */
	function fix_chosen_payment_method( $post_data ) {
		$payment_gateway            = ( empty( $_POST['payment_method'] ) ? '' : $_POST['payment_method'] );
		$available_payment_gateways = array_keys( WC()->payment_gateways->get_available_payment_gateways() );
		if ( ! empty( $available_payment_gateways ) ) {
			 if ( ! in_array( $payment_gateway, $available_payment_gateways ) ) {
				$_POST['payment_method'] = $available_payment_gateways[0];
			 }
		} else {
			$_POST['payment_method'] = '';
		}
	}

	/**
	 * get_chosen_payment_method.
	 *
	 * @version 3.9.0
	 * @since   3.9.0
	 * @todo    [dev] maybe make this more complex
	 */
	function get_chosen_payment_method() {
		return WC()->session->chosen_payment_method;
	}

	/**
	 * change_shipping_price_by_gateway.
	 *
	 * @version 3.9.0
	 * @since   2.4.8
	 */
	function change_shipping_price_by_gateway( $package_rates, $package ) {
		if ( $this->is_cart_or_checkout() ) {
			$current_gateway = $this->get_chosen_payment_method();
			if ( '' != $current_gateway ) {
				$gateway_currency_exchange_rate = get_option( 'wcj_gateways_currency_exchange_rate_' . $current_gateway );
				return wcj_change_price_shipping_package_rates( $package_rates, $gateway_currency_exchange_rate );
			}
		}
		return $package_rates;
	}

	/**
	 * is_cart_or_checkout.
	 *
	 * @version 4.0.0
	 * @since   2.3.0
	 * @todo    [dev] rename function to `do_apply_by_page_scope()`
	 */
	function is_cart_or_checkout() {
		if ( ! is_admin() ) {
			if ( 'cart_and_checkout' === $this->page_scope ) {
				if ( is_cart() || is_checkout() ) {
					return true;
				}
			} elseif ( 'checkout_only' === $this->page_scope ) {
				if ( is_checkout() ) {
					return true;
				}
			}
		}
		return false;
	}

	/**
	 * change_price_by_gateway.
	 *
	 * @version 4.3.0
	 * @since   2.3.0
	 */
	function change_price_by_gateway( $price, $product ) {
		if ( $this->is_cart_or_checkout() ) {
			$current_gateway = $this->get_chosen_payment_method();
			if ( '' != $current_gateway ) {
				$gateway_currency_exchange_rate = get_option( 'wcj_gateways_currency_exchange_rate_' . $current_gateway );
				$gateway_currency_exchange_rate = str_replace( ',', '.', $gateway_currency_exchange_rate );
				$price                          = $price * $gateway_currency_exchange_rate;
			}
		}
		return $price;
	}

	/**
	 * extend_paypal_supported_currencies.
	 *
	 * @version 3.9.0
	 * @since   2.3.0
	 */
	function extend_paypal_supported_currencies( $supported_currencies ) {
		if ( $this->is_cart_or_checkout() ) {
			$current_gateway = $this->get_chosen_payment_method();
			if ( '' != $current_gateway ) {
				$gateway_currency = get_option( 'wcj_gateways_currency_' . $current_gateway );
				if ( 'no_changes' != $gateway_currency ) {
					$supported_currencies[] = $gateway_currency;
				}
			}
		}
		return $supported_currencies;
	}

	/**
	 * change_currency_code.
	 *
	 * @version 3.9.0
	 * @since   2.3.0
	 */
	function change_currency_code( $currency ) {
		if ( $this->is_cart_or_checkout() ) {
			$current_gateway = $this->get_chosen_payment_method();
			if ( '' != $current_gateway ) {
				$gateway_currency = get_option( 'wcj_gateways_currency_' . $current_gateway );
				if ( 'no_changes' != $gateway_currency ) {
					return $gateway_currency;
				}
			}
		}
		return $currency;
	}

	/**
	 * register_script.
	 *
	 * @version 2.9.0
	 * @since   2.3.0
	 */
	function register_script() {
		wp_register_script( 'wcj-payment-gateways-checkout', trailingslashit( plugin_dir_url( __FILE__ ) ) . 'js/wcj-checkout.js', array( 'jquery' ), WCJ()->version, true );
	}

	/**
	 * enqueue_checkout_script.
	 *
	 * @version 2.3.0
	 * @since   2.3.0
	 */
	function enqueue_checkout_script() {
		if( ! is_checkout() ) {
			return;
		}
		wp_enqueue_script( 'wcj-payment-gateways-checkout' );
	}

}

endif;

return new WCJ_Payment_Gateways_Currency();
