<?php
namespace DayTidy\Data;

use DayTidy\Interfaces\PaymentGateway\Gateway;

class Gateways
{
    const FREE = 'free';
    const STRIPE = 'stripe';
    const ONSITE = 'on-site';
    const WIRE_TRANSFER = 'wire-transfer';
    const PAYPAL_STANDARD = 'paypal-standard';
    const WOO_CART = 'woo-cart';

    /**
     * @return Gateway[]
     */
    public static function all(): array
    {
        // All Gateways
        $gateways = (array) apply_filters('DayTidy/F__DayTidy/Data/Gateways__all/gateways', []);

        // Sort Gateways
        uasort($gateways, function ($a, $b)
        {
            $a_options = $a->options();
            $b_options = $b->options();

            $a_position = $a_options['position'] ?? 9999999999;
            $b_position = $b_options['position'] ?? 9999999999;

            if ($a_position == $b_position) return 0;
            return ($a_position < $b_position) ? -1 : 1;
        });

        // Return Gateways
        return $gateways;
    }

    /**
     * @return Gateway[]
     */
    public static function enabled(): array
    {
        $all = self::all();

        $enabled = [];
        foreach ($all as $key => $gateway)
        {
            if (!$gateway->enabled()) continue;

            $enabled[$key] = $gateway;
        }

        return $enabled;
    }

    /**
     * @return Gateway[]
     */
    public static function paid(): array
    {
        $all = self::all();

        $paid = [];
        foreach ($all as $key => $gateway)
        {
            if (!$gateway->enabled() || $gateway->key() === 'free') continue;

            $paid[$key] = $gateway;
        }

        return $paid;
    }
}