<?php
/**
 * Payment Functions
 *
 * @package WP_Ultimo\Functions
 * @since   2.0.0
 */

// Exit if accessed directly
defined('ABSPATH') || exit;

use WP_Ultimo\Models\Payment;
use WP_Ultimo\Database\Payments\Payment_Status;

/**
 * Returns a payment.
 *
 * @since 2.0.0
 *
 * @param int $payment_id The ID of the payment.
 * @return \WP_Ultimo\Models\Payment|false
 */
function wu_get_payment($payment_id) {

	return \WP_Ultimo\Models\Payment::get_by_id($payment_id);
}

/**
 * Queries payments.
 *
 * @since 2.0.0
 *
 * @param array $query Query arguments.
 * @return \WP_Ultimo\Models\Payment[]
 */
function wu_get_payments($query = []) {

	return \WP_Ultimo\Models\Payment::query($query);
}

/**
 * Returns a line-item.
 *
 * @since 2.0.0
 *
 * @param int $line_item_id The ID of the line item id.
 * @param int $payment_id The ID of the payment.
 * @return \WP_Ultimo\Checkout\Line_Item|false
 */
function wu_get_line_item($line_item_id, $payment_id) {

	$payment = wu_get_payment($payment_id);

	if ( ! $payment) {
		return false;
	}

	$line_items = $payment->get_line_items();

	return wu_get_isset($line_items, $line_item_id, false);
}

/**
 * Gets a payment based on the hash.
 *
 * @since 2.0.0
 *
 * @param string $hash The hash for the payment.
 * @return \WP_Ultimo\Models\Payment|false
 */
function wu_get_payment_by_hash($hash) {

	return \WP_Ultimo\Models\Payment::get_by_hash($hash);
}

/**
 * Returns a single payment defined by a particular column and value.
 *
 * @since 2.0.0
 *
 * @param string $column The column name.
 * @param mixed  $value The column value.
 * @return \WP_Ultimo\Models\Payment|false
 */
function wu_get_payment_by($column, $value) {

	return \WP_Ultimo\Models\Payment::get_by($column, $value);
}

/**
 * Creates a new payment.
 *
 * @since 2.0.0
 *
 * @param array $payment_data Payment data.
 * @param bool  $save Whether to save the payment or not.
 * @return \WP_Error|\WP_Ultimo\Models\Payment
 */
function wu_create_payment($payment_data, $save = true) {
	/**
	 * Why do we use shortcode atts here?
	 * Shortcode atts clean the array from not-allowed keys, so we don't need to worry much.
	 */
	$payment_data = shortcode_atts(
		[
			'line_items'         => [],
			'meta'               => [],
			'customer_id'        => false,
			'membership_id'      => false,
			'parent_id'          => '',
			'product_id'         => false,
			'currency'           => wu_get_setting('currency_symbol', 'USD'),
			'discount_code'      => '',
			'subtotal'           => 0.00,
			'discount_total'     => 0.00,
			'tax_total'          => 0.00,
			'total'              => 0.00,
			'status'             => Payment_Status::COMPLETED,
			'gateway'            => '',
			'gateway_payment_id' => '',
			'date_created'       => wu_get_current_time('mysql', true),
			'date_modified'      => wu_get_current_time('mysql', true),
			'migrated_from_id'   => 0,
			'skip_validation'    => false,
		],
		$payment_data
	);

	$payment = new Payment($payment_data);

	if ( ! $save) {
		return $payment;
	}

	$saved = $payment->save();

	return is_wp_error($saved) ? $saved : $payment;
}

/**
 * Returns a list of the refundable payment types.
 *
 * Can be filtered if new payment types that
 * can be refunded are added by developers.
 *
 * @since 2.0.0
 * @return array
 */
function wu_get_refundable_payment_types() {

	$refundable_payment_types = [
		Payment_Status::COMPLETED,
		Payment_Status::PARTIAL_REFUND,
	];

	return apply_filters('wu_get_refundable_payment_type', $refundable_payment_types);
}

/**
 * Returns the icon classes for a payment status.
 *
 * @since 2.0.0
 *
 * @param string $payment_status The payment status.
 * @return string
 */
function wu_get_payment_icon_classes($payment_status) {

	$payment_status_instance = new Payment_Status($payment_status);

	return $payment_status_instance->get_icon_classes();
}