<?php 
namespace EmailKit\Admin\Emails\Woocommerce;

use WP_Query;
use EmailKit\Admin\Emails\EmailLists;
use EmailKit\Admin\Emails\Helpers\Utils;

defined('ABSPATH') || exit;

class NewOrder
{

  private $db_query_class = null;

  public function __construct()
  {

    $args = array(
      'post_type'  => 'emailkit',
      'meta_query' => array(
        array(
          'key'   => 'emailkit_template_type',
          'value' => EmailLists::NEW_ORDER,
        ),
        array(
          'key'   => 'emailkit_template_status',
          'value' => 'Active',
        ),
      ),
    );

    $this->db_query_class = new WP_Query($args);

    if (isset($this->db_query_class->posts[0])) {
      add_action('woocommerce_email', [$this, 'remove_woocommerce_emails']);
    }

    add_filter('woocommerce_order_status_pending_to_processing_notification', [$this, 'newOrderEmail'], 10, 2);
    add_filter('woocommerce_order_status_pending_to_on-hold_notification', [$this, 'newOrderEmail'], 10, 2);
    
  }

  /**
   * remove action to disable default mail 
   */

  public function remove_woocommerce_emails($email_class)
  {

    remove_action('woocommerce_order_status_pending_to_processing_notification',  array($email_class->emails['WC_Email_New_Order'], 'trigger'));
    remove_action('woocommerce_order_status_pending_to_completed_notification',  array($email_class->emails['WC_Email_New_Order'], 'trigger'));
    remove_action('woocommerce_order_status_pending_to_on-hold_notification',  array($email_class->emails['WC_Email_New_Order'], 'trigger'));
    remove_action('woocommerce_order_status_failed_to_processing_notification',  array($email_class->emails['WC_Email_New_Order'], 'trigger'));
    remove_action('woocommerce_order_status_failed_to_completed_notification',  array($email_class->emails['WC_Email_New_Order'], 'trigger'));
    remove_action('woocommerce_order_status_failed_to_on-hold_notification',  array($email_class->emails['WC_Email_New_Order'], 'trigger'));
    remove_action('woocommerce_order_status_cancelled_to_processing_notification',  array($email_class->emails['WC_Email_New_Order'], 'trigger'));
    remove_action('woocommerce_order_status_cancelled_to_completed_notification',  array($email_class->emails['WC_Email_New_Order'], 'trigger'));
    remove_action('woocommerce_order_status_cancelled_to_on-hold_notification',  array($email_class->emails['WC_Email_New_Order'], 'trigger'));
  }


  public function newOrderEmail($order_id, $order)
  {

    $query = $this->db_query_class;
    $email = get_option('admin_email');

    if (isset($query->posts[0])) {

      $html  = get_post_meta($query->posts[0]->ID, 'emailkit_template_content_html', true);

      $replacements = [];
      foreach ($order->get_items() as $item_id => $item) {
        $product = $item->get_product();
        $id = $item['product_id'];
        $product_name = $item['name'];
        $item_qty = $item['quantity'];
        $item_total = $item['total'];
        $product_price = $product->get_price() * $item_qty;


        // Format the product price with the currency symbol
        $formatted_product_price = wc_price($product_price);

        // Format the item total with the currency symbol
        $formatted_item_total = wc_price($item_total);

        $product_image_id = $product->get_image_id();
        $product_image_url = $product_image_id ? wp_get_attachment_url($product_image_id) : wc_placeholder_img_src();

        $product_sku = $product->get_sku();

        $attributes = [];
        $meta_data = $item->get_meta_data();

        foreach ($meta_data as $meta) {
            // Check for product attribute (pa_ is the prefix for standard attributes)
            if (strpos($meta->key, 'pa_') === 0) {
              // Standard product attribute
              $formatted_name = ucwords(wc_attribute_label(str_replace('pa_', '', $meta->key), $product));
              $formatted_value = is_string($meta->value) ? ucwords(strtolower($meta->value)) : ''; // Capitalize the value

              // Add the attribute to the list with HTML markup
              $attributes[] = esc_html($formatted_name) . ': ' . esc_html($formatted_value);

            } else {
                
              $formatted_name = is_string($meta->key) ? ucwords(str_replace('_', ' ', strtolower($meta->key))) : '';
              $formatted_value = is_string($meta->value) ? ucwords(strtolower($meta->value)) : ''; 

              // Add the custom meta to the list with HTML markup
              $attributes[] = esc_html($formatted_name) . ':' . esc_html($formatted_value);

            }
        }

        $formatted_attributes = !empty($attributes) ? implode(', ', $attributes) : '';

        
        $replacements[] = [$product_name, $item_qty, $formatted_item_total, $formatted_product_price, $product_image_url, $product_sku, $formatted_attributes];


      }

      $html = \EmailKit\Admin\Emails\Helpers\Utils::order_items_replace($html, $replacements);


      $order = wc_get_order($order_id);

      // Order details array for email
      $details = Utils::woocommerce_order_email_contents($order);



      $message  = str_replace(array_keys($details), array_values($details), apply_filters('emailkit_shortcode_filter', $html));

      $currency_symbol_position = get_option('woocommerce_currency_pos');

      if($currency_symbol_position == 'left') {

        $message = Utils::adjust_price_structure($message);
        
      } else if($currency_symbol_position == 'left_space') {

        $message = Utils::adjust_left_space_price_structure($message);
        
      }
      $email_settings = get_option('woocommerce_new_order_settings', []);
      $to = !empty($email_settings['recipient']) ? explode(',', $email_settings['recipient']) : [get_option('admin_email')];
      $to = array_map('trim', $to);
      
      $pre_header_template = get_post_meta($query->posts[0]->ID, 'emailkit_email_preheader', true);
			$pre_header = str_replace(array_keys(Utils::transform_details_keys($details)), array_values(Utils::transform_details_keys($details)), $pre_header_template);
      $pre_header = !empty($pre_header) ? $pre_header : esc_html__("order placed on your store", "emailkit");
      $subject_template = get_post_meta($query->posts[0]->ID, 'emailkit_email_subject', true);
      $subject = str_replace(array_keys(Utils::transform_details_keys($details)), array_values(Utils::transform_details_keys($details)), $subject_template);
      $subject = !empty($subject) ? $subject . ' - ' . $pre_header : esc_attr($order->get_billing_first_name() . " " . $order->get_billing_last_name()) . ", ". esc_html__("placed a new order#" , "emailkit") . esc_attr($order_id) . esc_html__(" on your store", "emailkit"). ' - ' . $pre_header;


      
      $headers = [
        'From: ' . $email . "\r\n",
        'Reply-To: ' . $email . "\r\n",
        'Content-Type: text/html; charset=UTF-8',
      ];

      wp_mail($to, $subject, $message, $headers);
    }
  }
}
