<?php
/*
Plugin Name:  LCS Thought Gallery Custom Functions
Version:      1.0
Description: Extends various Thought Gallery functionality.
Author: LatCom Systems
Author URI: http://www.latcomsystems.com/
Copyright 2016 LatCom Systems
*/
if (!class_exists('lcs_page_templater')) :
class lcs_page_templater {
        private static $instance;
        protected $templates;
        public static function get_instance() {
                if( null == self::$instance ) {
                        self::$instance = new lcs_page_templater();
                }
                return self::$instance;
        }
        private function __construct() {
                $this->templates = array();
                add_filter(
					'page_attributes_dropdown_pages_args',
					 array( $this, 'register_project_templates' )
				);
                add_filter(
					'wp_insert_post_data',
					array( $this, 'register_project_templates' )
				);
                add_filter(
					'template_include',
					array( $this, 'view_project_template')
				);
                $this->templates = array(
                        'lcs-todays-events.php'     => 'LCS Todays Events',
                );
        }
        public function register_project_templates( $atts ) {
                $cache_key = 'page_templates-' . md5( get_theme_root() . '/' . get_stylesheet() );
				$templates = wp_get_theme()->get_page_templates();
                if ( empty( $templates ) ) {
                        $templates = array();
                }
                wp_cache_delete( $cache_key , 'themes');
                $templates = array_merge( $templates, $this->templates );
                wp_cache_add( $cache_key, $templates, 'themes', 1800 );
                return $atts;
        }
        public function view_project_template( $template ) {
                global $post;
                if (!isset($this->templates[get_post_meta(
					$post->ID, '_wp_page_template', true
				)] ) ) {
                        return $template;
                }
                $file = plugin_dir_path(__FILE__). get_post_meta(
					$post->ID, '_wp_page_template', true
				);
                if( file_exists( $file ) ) {
                        return $file;
                }
				else { echo $file; }
                return $template;
        }
}
endif;

add_action( 'plugins_loaded', array( 'lcs_page_templater', 'get_instance' ) );

/* overide event manager ical */
function lcs_em_ical()
{
	//check if this is a calendar request for all events
	//var_dump($_SERVER);
	//echo '=='.substr($_SERVER['REQUEST_URI'], -6).'==';
	if ( preg_match('/events.ics$/', $_SERVER['REQUEST_URI']) || $_SERVER['REQUEST_URI'] == '/?ical=1' || substr($_SERVER['REQUEST_URI'], -6) == '/ical/') {
		header('Content-type: octet/stream; charset=utf-8');
		header('Content-Disposition: attachment; filename="event.ics"');
		//send headers
		em_locate_template('templates/ical.php', true);
		die();
	}
}
//remove_action('init', 'em_ical');
//add_action('init', 'lcs_em_ical', 1);

function lcs_em_ical_item(){
	global $wpdb, $wp_query, $wp_rewrite;
	//check if we're outputting an ical feed
	if( !empty($wp_query) && $wp_query->get('ical') ){
		$execute_ical = false;
		$filename = 'events';
		$args = array();
		//single event
		if( $wp_query->get(EM_POST_TYPE_EVENT) ){
			$event_id = $wpdb->get_var('SELECT event_id FROM '.EM_EVENTS_TABLE." WHERE event_slug='".$wp_query->get(EM_POST_TYPE_EVENT)."' AND event_status=1 LIMIT 1");
			if( !empty($event_id) ){
				$filename = $wp_query->get(EM_POST_TYPE_EVENT);
				$args['event'] = $event_id;
			}
		//single location
		}elseif( $wp_query->get(EM_POST_TYPE_LOCATION) ){
			$location_id = $wpdb->get_var('SELECT location_id FROM '.EM_LOCATIONS_TABLE." WHERE location_slug='".$wp_query->get(EM_POST_TYPE_LOCATION)."' AND location_status=1 LIMIT 1");
			if( !empty($location_id) ){
				$filename = $wp_query->get(EM_POST_TYPE_LOCATION);
				$args['location'] = $location_id;
			}
		//taxonomies
		}else{
			$taxonomies = EM_Object::get_taxonomies();
			foreach($taxonomies as $tax_arg => $taxonomy_info){
				$taxonomy_term = $wp_query->get($taxonomy_info['query_var']);
				if( $taxonomy_term ){
					$filename = $taxonomy_term;
					$args[$tax_arg] = $taxonomy_term;
				}
			}
		}
		//only output the ical if we have a match from above
		if( count($args) > 0 ){
			//send headers and output ical
			header('Content-type: text/calendar; charset=utf-8');
			header('Content-Disposition: attachment; filename="'.$filename.'.ics"');
			em_locate_template('templates/ical.php', true, array('args'=>$args));
			exit();
		}else{
			//no item exists, so redirect to original URL
			$url_to_redirect = preg_replace("/ical\/$/",'', esc_url_raw(add_query_arg(array('ical'=>null))));
			wp_redirect($url_to_redirect, '302');
			exit();
		}
	}
}
remove_action('parse_query', 'em_ical_item');
add_action ( 'parse_query', 'lcs_em_ical_item', 1 );

add_action('init','lcs_ga_events_scripts');

function lcs_ga_events_scripts() {
    wp_enqueue_script('jquery');
    wp_enqueue_script('lcs_ga_events',plugins_url( '/js/ga-events.js', __FILE__) , array('jquery'), filemtime(plugin_dir_path(__FILE__).'js/ga-events.js'), false);
    wp_enqueue_script('lcs_custom',plugins_url( '/js/custom.js', __FILE__) , array('jquery'), filemtime(plugin_dir_path(__FILE__).'js/custom.js'), false);
}

add_action('init','lcs_enqueue_styles');

function lcs_enqueue_styles() {
    wp_enqueue_style('lcs_custom_css',plugins_url( '/css/custom.css', __FILE__) , array(), filemtime(plugin_dir_path(__FILE__).'css/custom.css'));
}

function lcs_mailchimp_sticky_button($atts, $content = '')
{
	$submit_url = plugins_url( '/lcs-mailchimp-sticky-form.php', __FILE__);
	$html = '';
	$html .= '<div class="lcs_mailchimp_sticky_container">';
	$html .= '<div class="lcs_mailchimp_sticky_header" onclick="lcs_toggle_mailchimp_sticky_form()">';
	$html .= 'Discover More';
	$html .= '</div>';
	$html .= '<p>Get Thought Gallery newsletter via email.</p>';
	$html .= '<div id="lcs_mailchimp_sticky_form_container">';
	/*
	*/
	ob_start();
	require_once('lcs-mailchimp-sticky-form.php');
	$html .= ob_get_clean();
	$html .= '</div>';
	$html .= '</div>';
	$html .= '<div class="lcs_mailchimp_sticky_button" onclick="lcs_toggle_mailchimp_sticky_form()">';
	$html .= '<img id="lcs_xmail_icon" src="'.plugins_url( '/img/xmail.png', __FILE__).'" alt="mailing list" />';
	$html .= 'Discover More';
	$html .= '</div>';
	return $html;
}
add_shortcode( 'lcs_mailchimp_sticky_button', 'lcs_mailchimp_sticky_button' );


?>