<?php
class ModelExtensionPaymentLaybuy extends Model
{

    public function addTransaction($data = array(), $status)
    {
        $this->log('Report: ' . print_r($data, true), '1');

        $this->log('Status: ' . $status, '1');

        $this->db->query("INSERT INTO `" . DB_PREFIX . "laybuy_transaction` SET `order_id` = '" . (int)$data['order_id'] . "', `firstname` = '" . $this->db->escape($data['firstname']) . "', `lastname` = '" . $this->db->escape($data['lastname']) . "', `address` = '" . $this->db->escape($data['address']) . "', `suburb` = '" . $this->db->escape($data['suburb']) . "', `state` = '" . $this->db->escape($data['state']) . "', `country` = '" . $this->db->escape($data['country']) . "', `postcode` = '" . $this->db->escape($data['postcode']) . "', `email` = '" . $this->db->escape($data['email']) . "', `amount` = '" . (float)$data['amount'] . "', `currency` = '" . $this->db->escape($data['currency']) . "', `downpayment` = '" . $this->db->escape($data['downpayment']) . "', `months` = '" . (int)$data['months'] . "', `downpayment_amount` = '" . (float)$data['downpayment_amount'] . "', `payment_amounts` = '" . (float)$data['payment_amounts'] . "', `first_payment_due` = '" . $this->db->escape($data['first_payment_due']) . "', `last_payment_due` = '" . $this->db->escape($data['last_payment_due']) . "', `store_id` = '" . (int)$data['store_id'] . "', `status` = '" . (int)$status . "', `report` = '" . $this->db->escape($data['report']) . "', `paypal_profile_id` = '" . $this->db->escape($data['paypal_profile_id']) . "', `laybuy_ref_no` = '" . (int)$data['laybuy_ref_no'] . "', `date_added` = NOW()");
    }

    public function deleteRevisedTransaction($id)
    {
        $this->db->query("DELETE FROM `" . DB_PREFIX . "laybuy_revise_request` WHERE `laybuy_revise_request_id` = '" . (int)$id . "'");
    }

    public function deleteTransactionByOrderId($order_id)
    {
        $this->db->query("DELETE FROM `" . DB_PREFIX . "laybuy_transaction` WHERE `order_id` = '" . (int)$order_id . "'");

        $this->db->query("DELETE FROM `" . DB_PREFIX . "laybuy_revise_request` WHERE `order_id` = '" . (int)$order_id . "'");
    }

    public function getInitialPayments()
    {
        $minimum = $this->config->get('laybuy_min_deposit') ? $this->config->get('laybuy_min_deposit') : 20;

        $maximum = $this->config->get('laybuy_max_deposit') ? $this->config->get('laybuy_max_deposit') : 50;

        $initial_payments = array();

        for ($i = $minimum; $i <= $maximum; $i += 10) {
            $initial_payments[] = $i;
        }

        return $initial_payments;
    }

    public function getMethod($address, $total)
    {
        $this->load->language('extension/payment/laybuy');

        $query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "zone_to_geo_zone` WHERE `geo_zone_id` = '" . (int)$this->config->get('laybuy_geo_zone') . "' AND `country_id` = '" . (int)$address['country_id'] . "' AND (`zone_id` = '" . (int)$address['zone_id'] . "' OR `zone_id` = '0')");

        if ($this->config->get('laybuy_total') > 0 && $this->config->get('laybuy_total') > $total) {
            $status = false;
        } elseif (!$this->config->get('laybuy_geo_zone')) {
            $status = true;
        } elseif ($query->num_rows) {
            $status = true;
        } else {
            $status = false;
        }

        /* Condition for customer group */
        if ($status && $this->config->get('laybuy_customer_group')) {
            if (isset($this->session->data['guest']) && in_array(0, $this->config->get('laybuy_customer_group'))) {
                $status = true;
            } elseif ($this->customer->isLogged() && $this->session->data['customer_id']) {
                $this->load->model('account/customer');

                $customer = $this->model_account_customer->getCustomer($this->session->data['customer_id']);

                if (in_array($customer['customer_group_id'], $this->config->get('laybuy_customer_group'))) {
                    $this->session->data['customer_group_id'] = $customer['customer_group_id'];

                    $status = true;
                } else {
                    $status = false;
                }
            } else {
                $status = false;
            }
        }

        /* Condition for categories and products */
        if ($status && $this->config->get('laybuy_category')) {
            $allowed_categories = $this->config->get('laybuy_category');

            $xproducts = explode(',', $this->config->get('laybuy_xproducts'));

            $cart_products = $this->cart->cartProducts;

            foreach ($cart_products as $cart_product) {
                $product = array();

                if ($xproducts && in_array($cart_product['product_id'], $xproducts)) {
                    $status = false;
                    break;
                } else {
                    $product = $this->db->query("SELECT GROUP_CONCAT(`category_id`) as `categories` FROM `" . DB_PREFIX . "product_to_category` WHERE `product_id` = '" . (int)$cart_product['product_id'] . "'");

                    $product = $product->row;

                    $product = explode(',', $product['categories']);

                    if ($product && count(array_diff($product, $allowed_categories)) > 0) {
                        $status = false;
                        break;
                    }
                }
            }
        }

        $method_data = array();

        if ($status) {
            $method_data = array(
              'code'       => 'laybuy',
              'title'      => $this->language->get('text_title'),
              'terms'      => '',
              'sort_order' => $this->config->get('laybuy_sort_order')
            );
        }

        return $method_data;
    }

    public function getMonths()
    {
        $this->load->language('extension/payment/laybuy');

        $max_months = $this->config->get('laybuy_max_months');

        if (!$max_months) {
            $max_months = 3;
        }

        if ($max_months < 1) {
            $max_months = 1;
        }

        $months = array();

        for ($i = 1; $i <= $max_months; $i++) {
            $months[] = array(
              'value' => $i,
              'label' => $i . ' ' . (($i > 1) ? $this->language->get('text_months') : $this->language->get('text_month'))
            );
        }

        return $months;
    }

    public function getPayPalProfileIds()
    {
        $query = $this->db->query("SELECT `paypal_profile_id` FROM `" . DB_PREFIX . "laybuy_transaction` WHERE `status` = '1'");

        return $query->rows;
    }

    public function getRevisedTransaction($id)
    {
        $query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "laybuy_revise_request` WHERE `laybuy_revise_request_id` = '" . (int)$id . "'");

        return $query->row;
    }

    public function getTransaction($id)
    {
        $query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "laybuy_transaction` WHERE `laybuy_transaction_id` = '" . (int)$id . "'");

        return $query->row;
    }

    public function getTransactionByLayBuyRefId($laybuy_ref_id)
    {
        $query = $this->db->query("SELECT * FROM `" . DB_PREFIX . "laybuy_transaction` WHERE `laybuy_ref_no` = '" . (int)$laybuy_ref_id . "'");

        return $query->row;
    }

    public function log($data, $step = 6)
    {
        if ($this->config->get('laybuy_logging')) {
            $backtrace = debug_backtrace();

            $log = new Log('laybuy.log');

            $log->write('(' . $backtrace[$step]['class'] . '::' . $backtrace[$step]['function'] . ') - ' . $data);
        }
    }

    public function prepareTransactionReport($post_data)
    {
        $this->load->model('checkout/order');

        $this->load->language('extension/payment/laybuy');

        $data = array_change_key_case($post_data, CASE_LOWER);

        $data['order_id'] = $data['custom'];

        $order_info = $this->model_checkout_order->getOrder($data['order_id']);

        $date_added = date($this->language->get('date_format_short'), strtotime($order_info['date_added']));

        $data['store_id'] = $order_info['store_id'];

        $data['date_added'] = $order_info['date_added'];

        $data['first_payment_due'] = date('Y-m-d h:i:s', strtotime(str_replace('/', '-', $data['first_payment_due'])));

        $data['last_payment_due'] = date('Y-m-d h:i:s', strtotime(str_replace('/', '-', $data['last_payment_due'])));

        $months = (int)$data['months'];

        $report_content = array();

        $report_content[] = array(
          'instalment'  => 0,
          'amount'      => $this->currency->format($data['downpayment_amount'], $data['currency']),
          'date'        => $date_added,
          'pp_trans_id' => $data['dp_paypal_txn_id'],
          'status'      => 'Completed'
        );

        for ($month = 1; $month <= $months; $month++) {
            $date = date("Y-m-d h:i:s", strtotime($data['first_payment_due'] . " +" . ($month - 1) . " month"));
            $date = date($this->language->get('date_format_short'), strtotime($date));

            $report_content[] = array(
              'instalment'  => $month,
              'amount'      => $this->currency->format($data['payment_amounts'], $data['currency']),
              'date'        => $date,
              'pp_trans_id' => '',
              'status'      => 'Pending'
            );
        }

        $data['report'] = json_encode($report_content);

        return $data;
    }

    public function updateCronRunTime()
    {
        $this->db->query("DELETE FROM `" . DB_PREFIX . "setting` WHERE `key` = 'laybuy_cron_time'");

        $this->db->query("INSERT INTO `" . DB_PREFIX . "setting` SET `store_id` = '0', `code` = 'laybuy', `key` = 'laybuy_cron_time', `value` = NOW(), `serialized` = '0'");
    }

    public function updateTransaction($id, $status, $report, $transaction)
    {
        $this->db->query("UPDATE `" . DB_PREFIX . "laybuy_transaction` SET `status` = '" . (int)$status . "', `report` = '" . $this->db->escape($report) . "', `transaction` = '" . (int)$transaction . "' WHERE `laybuy_transaction_id` = '" . (int)$id . "'");
    }

}