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

namespace TechFry\Library\View\Html;

defined('_JEXEC') or die;

use Joomla\CMS\HTML\HTMLHelper;

class THead extends THtml
{
    // 1. Title
    public function title($title)
    {
        return $this->element('title', $title);
    }

    // 2. Meta tag in head - author, description, generator
    public function meta($attributes = [])
    {
        // $attributes - name (author, description), content
        
        return $this->open_tag('meta', $attributes);
    }

    // Character encoding
    public function charset($charset = 'UTF-8')
    {
        return $this->meta(array('charset' => strtolower($charset)));
    }

    public function author($content)
    {
        return $this->meta(array('name' => 'author', 'content' => $content));
    }

    public function description($content)
    {
        return $this->meta(array('name' => 'description', 'content' => $content));
    }

    public function responsive()
    {
        return $this->meta(array('name' => 'viewport', 'content' => 'width=device-width, initial-scale=1.0'));
    }

    // 3. Open Graph Tags
    public function og_image($content)
    {
        return $this->meta(array('property' => 'og:image', 'content' => $content));
    }

    public function og_description($content)
    {
        return $this->meta(array('property' => 'og:description', 'content' => $content));
    }

    public function og_title($content)
    {
        return $this->meta(array('property' => 'og:title', 'content' => $content));
    }

    // 4. Favicon
    public function favicon($href)
    {
        // <link rel="icon" href="favicon.ico" type="image/x-icon" />
        
        $attributes = array(
            'rel' => 'icon',
            'href' => $href,
            'type' => 'image/x-icon',
        );
        
        return $this->open_tag('link', $attributes);
    }

    // 5. Link
    public function link($attributes = [])
    {
        return $this->open_tag('link', $attributes);
    }
    
    public function stylesheet($href)
    {
        // <link rel="stylesheet" href="my-css-file.css" />
        
        if (empty($href))
        {
            return;
        }
        
        $attributes = array(
            'rel' => 'stylesheet',
            'href' => $href,
            'type' => 'text/css',
        );
        
        return $this->link($attributes);
    }

    public function script($src = '')
    {
        // <script src="my-js-file.js" defer></script>
        
        if (empty($src))
        {
            return;
        }

        $output = '<script src="' . $src . '" defer></script>';

        $attributes = array(
            'src' => $src,
        );

        $bools = array('defer'); // Load the JavaScript after the page has finished parsing the HTML

        $output = $this->open_tag('script', $attributes, $bools);
        $output .= $this->close_tag('script');

        return $output;
    }
    
    public function js($code, $attribs = [])
    {
        $output = $this->element('script', $code, $attribs);
        
        return $output;
    }
    
    public function style($code)
    {
        $output = '<style>';
        
            $output .= $code;
            
        $output .= '</style>' . "\n";
        
        return $output;
    }
    
    // CSS Code
    public function css($selector, $defs = [])
    {
        $output = '';
        
        if (!empty($defs))
        {
            foreach ($defs as $k => $v)
            {
                if ($v != '')
                {
                	$output .= $k . ':' . $v . ';';
                }
            }
        }
        
      	if ($output)
        {
        	return $selector . '{' . $output . '}' . "\n";
        }

        return;
    }
}