<?php
/*
* @package		Tech Fry Library
* @license		https://www.gnu.org/licenses/gpl-3.0.en.html
*/

namespace TechFry\Library\View\Sky;

defined('_JEXEC') or die;

use Joomla\CMS\HTML\HTMLHelper;
use Joomla\CMS\Language\Text;
use TechFry\Library\TAmp;

class Table extends Bootstrap
{
    public $class_options = array('table_class', 'striped', 'hover', 'bordered', 'small');

    public $headers = [];

    public $sortable_headers = [];
  
  	public function display()
    {   
        $table_class = 'table ' . $this->get_class();
        
        $output = '<table class="' . $table_class . '">';

        $show_headings = $this->config['show_headings'] ?? '';
        if ($show_headings)
        {
            // Normal headers: $this->config['theads'] or $this->data['theads']
            $this->headers = isset($this->config['theads']) && $this->config['theads'] ? str_getcsv($this->config['theads']) : $this->headers;
            if (empty($this->headers))
            {
                $this->headers = isset($this->data['theads']) && $this->data['theads'] ? $this->data['theads'] : $this->headers;
            }
            unset($this->data['theads']);
            
            if (!empty($this->headers))
            {
                $output .= $this->get_headers();
            }

            // Sortable headers
            if (!empty($this->sortable_headers))
            {
                $output .= $this->get_sortable_headers();
            }
        }

      	$output .= '<tbody>';
      	foreach ($this->data as $item)
        {
        	$output .= '<tr>';
                if (isset($item['title']) && isset($item['url']))
                {
                    $output .= '<td><a href="' . $item['url'] . '">' . $item['title'] . '</a></td>';
                    unset($item['title']);
                    unset($item['url']);
                }

                foreach ($item as $cell)
                {
                    $output .= '<td>' . $cell . '</td>';
                }
          	$output .= '</tr>';
        }
      	$output .= '</tbody>';
      	$output .= '</table>';
      	
      	return $output; 
    }

    public function add_header($header)
    {
        $this->headers[] = $header;
    }

    public function add_sortable_header($header)
    {
        $this->sortable_headers[] = $header;
    }

    public function get_headers()
    {
        $output = '<thead>';
        $output .= '<tr>';
            foreach ($this->headers as $thead)
            {
                $output .= '<th>' . $thead . '</th>';
            }
        $output .= '</tr>';
        $output .= '</thead>';

        return $output;
    }

    public function get_sortable_headers()
    {
        $output = '<thead>';
        $output .= '<tr>';
            foreach ($this->sortable_headers as $thead)
            {
                $output .= '<th>' . $this->sortable($thead) . '</th>';
            }
        $output .= '</tr>';
        $output .= '</thead>';

        return $output;
    }

	// Sortable Headers (libraries/src/HTML/helpers/Grid.php)
	public function sortable($thead = array())
    {
        // If $thead is array, then sortable.
        if (!is_array($thead))
        {
            return $thead;
        }
        
        $title = $thead[0];
        $order = $thead[1];
        $direction = isset($thead[2]) && $thead[2] ? $thead[2] : 'asc';
        $selected = isset($thead[3]) && $thead[3] ? $thead[3] : '';
        $task = isset($thead[4]) && $thead[4] ? $thead[4] : null;
        $form = isset($thead[5]) && $thead[5] ? $thead[5] : null;
        
        $amp = new TAmp();
        $is_amp = $amp->is_amp();
        if ($is_amp)
        {
            return Text::_($title);
        }
        
        HTMLHelper::_('bootstrap.tooltip', '.hasTooltip');

        $direction = strtolower($direction);
        $icon = ['chevron-up', 'chevron-down'];
        $index = (int) ($direction === 'desc');

		$newDirection = 'asc';
        if ($order != $selected) 
		{
            $direction = $newDirection;
        } 
		else 
		{
            $direction = $direction === 'desc' ? 'asc' : 'desc';
        }

        if ($form) 
		{
            $form = ', document.getElementById(\'' . $form . '\')';
        }

        $html = '<a href="#" onclick="Joomla.tableOrdering(\'' . $order . '\',\'' . $direction . '\',\'' . $task . '\'' . $form . ');return false;"'
        . ' class="hasTooltip" title="' . htmlspecialchars(Text::_('JGLOBAL_CLICK_TO_SORT_THIS_COLUMN')) . '" data-bs-placement="top">';

        if (isset($title['0']) && $title['0'] === '<') 
		{
            $html .= $title;
        } 
		else 
		{
            $html .= Text::_($title);
        }

        if ($order == $selected) 
		{
            $html .= ' <span class="fa-solid fa-' . $icon[$index] . '"></span>';
        }

        $html .= '</a>';

        return $html;
    }
}