<?php
/*
* @package		TF Components
* @license		GNU General Public License version 2 or later; see LICENSE.txt
*/

namespace TechFry\Library\Model\Front;

defined('_JEXEC') or die;

use Joomla\CMS\Component\ComponentHelper;
use Joomla\CMS\Factory;
use Joomla\CMS\MVC\Factory\MVCFactoryInterface;
use Joomla\CMS\MVC\Model\ItemModel;
use Joomla\CMS\Language\Text;
use Joomla\CMS\Uri\Uri;
use TechFry\Library\Model\TfModelTrait;

class TfModelItem extends ItemModel
{
    use TfModelTrait;
    
    public $json_fields = [];

    public $select_fields;
    
    public $left_joins = [];
    public $join_tables = array(); // Depreciated
    
    public $where = array();
    
    public function __construct($config = [], ?MVCFactoryInterface $factory = null)
	{
		parent::__construct($config, $factory);
		
	    $this->app = Factory::getApplication();
	    
	    $this->input = $this->app->input;

        $this->today = Factory::getDate();
        $this->date_sql = $this->today->toSql();
		$this->date_unix = $this->today->toUnix();
		$this->date_lc3 = $this->today->format(Text::_('DATE_FORMAT_LC3'));

        $this->juser = $this->app->getIdentity();
        $this->user_levels = $this->juser->getAuthorisedViewLevels();

        $this->cparams = ComponentHelper::getParams($this->option);

        $this->url = Uri::getInstance()->toString();

		$this->post = $this->input->post->getArray();

		$this->get = $this->input->get->getArray();
	}
    
    // 01. Get single item
    public function getItem($pk = null)
    {
        if ($pk == null)
	    {
	        $input = Factory::getApplication()->input;
            $pk = $input->get('id', 0, 'int');
	    }

        if (empty($this->select_fields))
        {
            $this->select_fields = 'a.*';
        }
	    
	    $char = 'a';
        
        $db = Factory::getDbo();
        $query = $db->getQuery(true);
        
        $query->select($this->select_fields)
            ->from($db->quoteName('#__' . $this->table_name, $char))
            ->where($db->quoteName('a.id') . ' = '. $db->quote($pk));
            
        // Where conditions
        foreach ($this->where as $condition)
        {
            $query->andWhere($condition);
        }
            
        // Join over other tables (Depreciated)
        foreach ($this->join_tables as $table)
        {
            $char++;
            
            $query->select($char . '.' . $table[1])
                 ->join('LEFT', $db->quoteName('#__' . $table[0], $char) . ' ON a.' . $table[2] . ' = ' . $char . '.id');
        }

        // Join over other tables
        if (!empty($this->left_joins))
        {
            foreach ($this->left_joins as $join)
            {
                $char++;
                $join_as = isset($join['as']) && $join['as'] ? $join['as'] : $char;

                $query->join('LEFT', $db->quoteName('#__' . $join['table'], $join_as), $db->quoteName($join['on1']) . ' = ' . $db->quoteName($join['on2']));
            }
        }

        //echo $query;

        $db->setQuery($query);
        
        $row = $db->loadObject();

        // Raise 404 Error for Unpublished
        if (!$row || $row->published < 1)
        {
            throw new \Exception(Text::_('JERROR_PAGE_NOT_FOUND'), 404);
        }
        
        // Convert JSON strings to Objects
        foreach ($this->json_fields as $field)
        {
            $row->$field = json_decode($row->$field);
        }
        
        return $row;
    }
    
    // 02. Increment hits
    public function record_hits($pk = null)
    {
        if (is_null($pk))
        {
            $input = Factory::getApplication()->input;
            $pk = $input->get('id', 0, 'int');
        }
        
        $db = Factory::getDbo();
        $query = $db->getQuery(true);
        
		$query->update('#__' . $this->table_name)
			->set($db->quoteName('hits') . ' = (' . $db->quoteName('hits') . ' + 1)')
			->where($db->quoteName('id') . ' = '. $db->quote($pk));

		$db->setQuery($query);
		
		$db->execute();
    }
}