<?php

/**
 * This class is called to:
 * - retrieve channel settings and configuration, function: get_channel_data
 * - update project configuration during steps, function: update_project
 * - add project configuration to cron option and clear current project config, function: add_project_cron
 */
class WooSEA_Update_Project
{

  public $channel_data;
  public $channel_update;
  private $project_config;
  private $project_hash;

  /**
   * Get generic channel information
   */
  public static function get_channel_data($channel_hash)
  {
    $channel_statics = get_option('channel_statics');

    foreach ($channel_statics as $key => $val)
    {

      foreach ($val as $k => $v)
      {
        if ($channel_hash === $v['channel_hash'])
        {
          $channel_data = $v;
        }
      }
    }
    return $channel_data;
  }

  /**
   * Get project configuration
   */
  public static function get_project_data($project_hash)
  {
    if (get_option('cron_projects'))
    {
      $cron_projects = get_option('cron_projects');
      $project_config = array();

      foreach ($cron_projects as $key => $val)
      {
        //if(!empty($val)){
        if (!empty($val['project_hash']))
        {
          if ($val['project_hash'] === $project_hash)
          {
            $project_config = $val;
          }
        }
      }
      return $project_config;
    }
  }

  /**
   * Update individual project configuration
   */
  public static function update_project_data($project)
  {
    if (get_option('cron_projects'))
    {
      $cron_projects = get_option('cron_projects');

      foreach ($cron_projects as $key => $val)
      {
        if (!empty($val))
        {
          if ($val['project_hash'] === $project['project_hash'])
          {
            $cron_projects[$key] = $project;
            update_option('cron_projects', $cron_projects, 'no');
          }
        }
      }
    }
  }

  public static function update_project($project_data)
  {
    if (!array_key_exists('project_hash', $project_data))
    {
      $upload_dir = wp_upload_dir();
      $external_base = $upload_dir['baseurl'];
      $external_path = $external_base . "/woo-product-feed-pro/" . $project_data['fileformat'];
      $channel_statics = get_option('channel_statics');

      foreach ($channel_statics as $key => $val)
      {

        foreach ($val as $k => $v)
        {
          if ($project_data['channel_hash'] == $v['channel_hash'])
          {
            $project_fill = array_merge($v, $project_data);

            // New code to create the project hash so dependency on openSSL is removed
            $keyspace = '0123456789abcdefghijklmnopqrstuvwxyzABCDEFGHIJKLMNOPQRSTUVWXYZ';
            $pieces = [];
            $length = 32;
            $max = mb_strlen($keyspace, '8bit') - 1;
            for ($i = 0; $i < $length; ++$i)
            {
              $pieces[] = $keyspace[random_int(0, $max)];
            }
            $project_fill['project_hash'] = implode('', $pieces);
            $project_fill['filename'] = $project_fill['project_hash'];
            $project_fill['external_file'] = $external_path . "/" . sanitize_file_name($project_fill['filename']) . "." . $project_fill['fileformat'];
            $project_fill['query_log'] = $external_base . "/woo-product-feed-pro/logs/query.log";
            $project_fill['query_output_log'] = $external_base . "/woo-product-feed-pro/logs/query_output.log";
          }
        }
      }
      update_option('channel_project', $project_fill, '');
    }
    else
    {
      $project_temp = get_option('channel_project');
      if (is_array($project_temp))
      {
        $project_fill = array_merge($project_temp, $project_data);
      }
      else
      {
        $project_fill = $project_data;
      }
      update_option('channel_project', $project_fill, '');
    }
    return $project_fill;
  }

  /**
   * This function takes care of updating project settings whenever an user updates a project
   */
  public static function reconfigure_project($project_data)
  {
    $project_hash = $project_data['project_hash'];

    if (get_option('cron_projects'))
    {
      $cron_projects = get_option('cron_projects');

      foreach ($cron_projects as $key => $val)
      {
        if (!empty($val))
        {
          foreach ($val as $k => $v)
          {
            if (!is_array($v))
            {
              if (($v === $project_hash) and ($k === "project_hash"))
              {
                $project_config = $val;
                $remove_key = $key;
              }
            }
          }
        }
      }
    }

    /**
     * Update project hash with new values
     */

    foreach ($project_data as $key => $val)
    {
      $project_config[$key] = $val;
    }

    /**
     * Update some project configs
     */
    $project_config['last_updated'] = date("d M Y H:i");
    $count_products = wp_count_posts('product', 'product_variation');
    $count_variation = wp_count_posts('product_variation');
    $count_single = wp_count_posts('product');
    $published_single = $count_single->publish;
    $published_variation = $count_variation->publish;
    $published_products = $published_single + $published_variation;
    $project_config['nr_products'] = $published_products;
    $project_config['nr_products_processed'] = 0;

    /**
     * We might have to change the file extension
     */
    $upload_dir = wp_upload_dir();
    $external_base = $upload_dir['baseurl'];
    $external_path = $external_base . "/woo-product-feed-pro/" . $project_config['fileformat'];
    $project_config['external_file'] = $external_path . "/" . sanitize_file_name($project_config['filename']) . "." . $project_config['fileformat'];

    if ((array_key_exists('woosea_page', $project_data)) and ($project_data['woosea_page'] == "analytics"))
    {
      /**
       * Did the Google Analytics UTM code part got disabled?
       */
      if (!array_key_exists('utm_on', $project_data))
      {
        unset($project_config['utm_on']);
      }
      /**
       * Did the conversion tracking got disabled?
       */
      if (!array_key_exists('adtribes_conversion', $project_data))
      {
        unset($project_config['adtribes_conversion']);
      }
    }

    /**
     * Did the product variations support got disabled?
     */
    if (array_key_exists('fileformat', $project_data))
    {
      if (!array_key_exists('product_variations', $project_data))
      {
        unset($project_config['product_variations']);
        unset($project_config['productname_append']);
      }
    }

    /**
     * Did the default product variations got disabled?
     */
    if (array_key_exists('fileformat', $project_data))
    {
      if (!array_key_exists('default_variations', $project_data))
      {
        unset($project_config['default_variations']);
      }
    }

    /**
     * Did the lowest price product variations got disabled?
     */
    if (array_key_exists('fileformat', $project_data))
    {
      if (!array_key_exists('lowest_price_variations', $project_data))
      {
        unset($project_config['lowest_price_variations']);
      }
    }

    /**
     * Did the option to only update the feed when products changed got disabled?
     */
    if (array_key_exists('fileformat', $project_data))
    {
      if (!array_key_exists('products_changed', $project_data))
      {
        unset($project_config['products_changed']);
      }
    }

    /**
     * Did all the filters got removed
     */
    if ((array_key_exists('woosea_page', $project_data)) and ($project_data['woosea_page'] == "filters_rules"))
    {
      if (!array_key_exists('rules', $project_data))
      {
        unset($project_config['rules']);
      }
    }

    /**
     * Did all the rules got removed
     */
    if ((array_key_exists('woosea_page', $project_data)) and ($project_data['woosea_page'] == "filters_rules"))
    {
      if (!array_key_exists('rules2', $project_data))
      {
        unset($project_config['rules2']);
      }
    }

    /**
     * Did all the field manipulations  got removed
     */
    if ((array_key_exists('woosea_page', $project_data)) and ($project_data['woosea_page'] == "field_manipulation"))
    {
      if (!array_key_exists('field_manipulation', $project_data))
      {
        unset($project_config['field_manipulation']);
      }
    }

    /**
     * Update cron with new project settings
     */
    $add_to_cron = WooSEA_Update_Project::add_project_cron($project_config, $remove_key);

    return $project_config;
  }

  /**
   * This function add's a project configuration to the list of projects needed for the cron
   * it also delete's the current project configuration from the channel_project option for a next project
   */
  public static function add_project_cron($project_data, $key)
  {
    if (get_option('cron_projects'))
    {
      $cron_projects = get_option('cron_projects');
      if (is_int($key))
      {
        $cron_projects[$key] = $project_data;
      }
      else
      {
        array_push($cron_projects, $project_data);
      }
      update_option('cron_projects', $cron_projects);
    }
    else
    {
      $cron_projects = array(); // Create a new multidimensional array for the cron projects
      array_push($cron_projects, $project_data);
      update_option('cron_projects', $cron_projects);
    }

    // Clear channel_project option
    delete_option('channel_project');
  }
}