<?php

if ( !class_exists( 'EventOrganiser_Admin_Page' ) ){
    require_once( EVENT_ORGANISER_DIR.'classes/class-eventorganiser-admin-page.php' );
}
/**
 * Calendar Admin Page
 * 
 * Extends the EentOrganiser_Admin_Page class. Creates the calendar admin page
 * @version 1.0
 * @see EventOrganiser_Admin_Page
 * @package event organiser
 * @ignore
 */
class EventOrganiser_Calendar_Page extends EventOrganiser_Admin_Page
{
    /**
     * This sets the calendar page variables
     */
	function set_constants(){
		$this->hook = 'edit.php?post_type=event';
		$this->title = __( 'Calendar View', 'eventorganiser' );
		$this->menu = __( 'Calendar View', 'eventorganiser' );
		$this->permissions = 'edit_events';
		$this->slug = 'calendar';
	}
        
    /**
     * Enqueues the page's scripts and styles, and localises them.
     */
	function page_scripts(){
		global $wp_locale;
		
		wp_enqueue_script( 'eo_calendar' );
		//wp_enqueue_script( 'eo_event' );
		wp_localize_script( 'eo_event', 'EO_Ajax_Event', array( 
			'ajaxurl' => admin_url( 'admin-ajax.php' ),
			'startday' => intval( get_option( 'start_of_week' ) ),
			'format' => eventorganiser_php2jquerydate( eventorganiser_get_option('dateformat') ),
			));
		wp_localize_script( 'eo_calendar', 'EO_Ajax', array( 
			'ajaxurl' => admin_url( 'admin-ajax.php' ),
			'startday' => intval( get_option( 'start_of_week' ) ),
			'format' => eventorganiser_php2jquerydate( eventorganiser_get_option('dateformat') ),
			'timeFormat' => ( get_current_screen()->get_option( 'eofc_time_format', 'value' ) ? 'h:mmtt' : 'HH:mm' ),
			'perm_edit' => current_user_can( 'edit_events' ),
			'categories' => get_terms( 'event-category', array( 'hide_empty' => 0 ) ),
			'venues' => get_terms( 'event-venue', array( 'hide_empty' => 0 ) ),
			'locale' => array(
				'monthNames' => array_values( $wp_locale->month ),
				'monthAbbrev' => array_values( $wp_locale->month_abbrev ),
				'dayNames' => array_values( $wp_locale->weekday ),
				'dayAbbrev' => array_values( $wp_locale->weekday_abbrev ),
				'today' => __( 'today', 'eventorganiser' ),
				'day' => __( 'day', 'eventorganiser' ),
				'week' => __( 'week', 'eventorganiser' ),
				'month' => __( 'month', 'eventorganiser' ),
				'gotodate' => __( 'go to date', 'eventorganiser' ),
				'cat' => __( 'View all categories', 'eventorganiser' ),
				'venue' => __( 'View all venues', 'eventorganiser' ),
				)
			));
		wp_enqueue_style( 'eo_calendar-style' );
		wp_enqueue_style( 'eventorganiser-style' );
	}

    /**
     * Prints page styles
     */
	function page_styles(){
		if ( $terms = get_terms( 'event-category', array( 'hide_empty' => 0 ) ) ):
			$css = '';
			foreach ( $terms as $term ):
				$css .= ".cat-slug-{$term->slug} span.ui-selectmenu-item-icon{ background: ".eo_get_category_color( $term ).";}\n"; 
			endforeach;
			wp_add_inline_style( 'eo_calendar-style', $css );
		endif;
	}

	function page_actions(){

		//Add screen option
		$user     = wp_get_current_user();
		$is12hour = get_user_meta( $user->ID, 'eofc_time_format', true );
		if( '' === $is12hour )
			$is12hour = eventorganiser_blog_is_24() ? 0 : 1;
		
		add_screen_option( 'eofc_time_format', array( 'value' => $is12hour ) );
		add_filter( 'screen_settings', array( $this, 'screen_options' ), 10, 2 );

		//Check action
		if ( !empty( $_REQUEST['save'] ) || !empty( $_REQUEST['publish'] ) ){
			//Check nonce
			check_admin_referer( 'eventorganiser_calendar_save' );

			//authentication checks
			if ( !current_user_can( 'edit_events' ) ) 
				wp_die( __( 'You do not have sufficient permissions to create events', 'eventorganiser' ) );

			$input = $_REQUEST['eo_event']; //Retrieve input from posted data
			
			//Set the status of the new event
			if ( !empty( $_REQUEST['save'] ) ):
				$status = 'draft';
			else:
				$status = ( current_user_can( 'publish_events' ) ? 'publish' : 'pending' );
			endif;
	
			//Set post and event details
			$venue = (int) $input['venue_id'];

			$post_input = array(
				'post_title' => $input['event_title'],
				'post_status' => $status,
				'post_content' => $input['event_content'],
				'post_type' => 'event',
				'tax_input' => array( 'event-venue' => array( $venue ) ),
			);
			$tz = eo_get_blog_timezone();
			$event_data = array(
				'schedule' => 'once',
				'all_day' => $input['allday'],
				'start' => new DateTime( $input['StartDate'].' '.$input['StartTime'], $tz ),
				'end' => new DateTime( $input['EndDate'].' '.$input['FinishTime'], $tz ),
			);

			//Insert event
			$post_id = eo_insert_event( $post_input, $event_data );

			if ( $post_id ){
				//If event was successfully inserted, redirect and display appropriate message
				$redirect = get_edit_post_link( $post_id, '' );

				if( $status == 'publish' )
					$redirect = add_query_arg( 'message', 6, $redirect );
				else
					$redirect = add_query_arg( 'message', 7, $redirect );
				
				//Redirect to event admin page & exit
				wp_redirect( $redirect );
				exit; 
			}
		}elseif ( isset( $_REQUEST['action'] ) && ( $_REQUEST['action'] == 'delete_occurrence' || $_REQUEST['action'] == 'break_series') && isset( $_REQUEST['series'] ) && isset( $_REQUEST['event'] ) ){
			$post_id  = intval( $_REQUEST['series'] );
			$event_id = intval( $_REQUEST['event'] );
			$action   = $_REQUEST['action'];

			if ( $action == 'break_series' ):
				//Check nonce
				check_admin_referer( 'eventorganiser_break_series_'.$event_id );

				//Check permissions
				if ( !current_user_can( 'edit_event', $post_id ) || !current_user_can( 'delete_event', $post_id ) )
					wp_die( __( 'You do not have sufficient permissions to edit this event', 'eventorganiser' ) );
		
				$new_event_id = eo_break_occurrence( $post_id, $event_id );
				
				//Redirect to prevent resubmisson
				$redirect = get_edit_post_link( $new_event_id, '' );
				$redirect = add_query_arg( 'message', 20, $redirect );
				wp_redirect( $redirect );
				exit;

			elseif( $action == 'delete_occurrence' ):
				global $EO_Errors;

				//Check nonce
				check_admin_referer( 'eventorganiser_delete_occurrence_'.$event_id );

				//Check permissions
				if ( ! current_user_can( 'delete_event', $post_id ) )
					wp_die( __( 'You do not have sufficient permissions to delete this event', 'eventorganiser' ) );

				$response = _eventorganiser_remove_occurrence( $post_id, $event_id );

				//Break Cache!
				_eventorganiser_delete_calendar_cache();

				if ( is_wp_error( $response ) ){
					$EO_Errors = $response;
				} else {
					$EO_Errors = new WP_Error( 'eo_notice', '<strong>'.__( 'Occurrence deleted.', 'eventorganiser' ).'</strong>' );
				}
			endif;
		}
	}


	function screen_options( $options, $screen ){
		$options .= '<h5>'.__( 'Calendar options', 'eventorganiser' ).'</h5>';
		$options .= sprintf(
			'<p><label for="%s" style="line-height: 20px;"> <input type="checkbox" name="%s" id="%s" %s> %s </label></p>',
			'eofc_time_format',
			'eofc_time_format',
			'eofc_time_format',
			checked( $screen->get_option( 'eofc_time_format', 'value' ), 0, false ),
			__( '24 hour time', 'eventorganiser' )
		);
		return $options;
	}


	function display(){
		//Get the time 'now' according to blog's timezone
		$now    = new DateTime( null, eo_get_blog_timezone() );
		$venues = eo_get_venues();
	?>

	<div class="wrap">  
		<?php screen_icon( 'edit' );?>
		<h2><?php _e( 'Events Calendar', 'eventorganiser' ); ?></h2>

		<?php 
			$current = !empty( $_COOKIE['eo_admin_cal_last_view'] ) ? $_COOKIE['eo_admin_cal_last_view'] : 'month'; 
			$views   = array( 'agendaDay' => __( 'Day', 'eventorganiser' ), 'agendaWeek' => __( 'Week', 'eventorganiser' ), 'month' => __( 'Month', 'eventorganiser' ) );
		?>
		<div id="calendar-view">
			<span id='loading' style='display:none'><?php _e( 'Loading&#8230;' );?></span>
			<?php foreach( $views as $id => $label ) 
				printf( '<a href="#" class="view-button %s" id="%s">%s</a>', ( $id == $current ? 'active' : '' ), $id, $label );
			?>
		</div>

		<div id='eo_admin_calendar'></div>
		<span><?php _e( 'Current date/time', 'eventorganiser' );?>: <?php echo $now->format( 'Y-m-d G:i:s \G\M\TP' );?></span>

		<?php eventorganiser_event_detail_dialog(); ?>

		<?php if ( current_user_can( 'publish_events' ) || current_user_can( 'edit_events' ) ):?>
			<div id='eo_event_create_cal' style="display:none;" class="eo-dialog" title="<?php esc_attr_e( 'Create an event', 'eventorganiser' ); ?>">
			<form name="eventorganiser_calendar" method="post" class="eo_cal">

				<table class="form-table">
				<tr>
					<th><?php _e( 'When', 'eventorganiser' );?>: </th>
					<td id="date"></td>
				</tr>
				<tr>
					<th><?php _e( 'Event Title', 'eventorganiser' );?>: </th>
					<td><input name="eo_event[event_title]" class="eo-event-title ui-autocomplete-input ui-widget-content ui-corner-all" ></td>
				</tr>
				<tr>
					<th><?php _e( 'Where', 'eventorganiser' );?>: </th>
					<td><!-- If javascript is disabed, a simple drop down menu box is displayed to choose venue.
				Otherwise, the user is able to search the venues by typing in the input box.-->		
					<select size="30" id="venue_select" name="eo_event[venue_id]">
					<option>Select a venue </option>
					<?php foreach ( $venues as $venue ):?>
						<option value="<?php echo intval( $venue->term_id );?>"><?php echo esc_html( $venue->name ); ?></option>
					<?php endforeach;?>
					</select>
					</td>
				</tr>
				<tr>
					<th></th>
					<td><textarea rows="4" name="eo_event[event_content]" style="width: 220px;"></textarea></td>
				</tr>
				</table>
			<p class="submit">
			<input type="hidden" name="eo_event[StartDate]">
			<input type="hidden" name="eo_event[EndDate]">
			<input type="hidden" name="eo_event[StartTime]">
			<input type="hidden" name="eo_event[FinishTime]">
			<input type="hidden" name="eo_event[allday]">
		  	<?php wp_nonce_field( 'eventorganiser_calendar_save' ); ?>
			<?php if ( current_user_can( 'publish_events' ) ):?>
				<input type="submit" class="button" tabindex="4" value="<?php _e( 'Save Draft', 'eventorganiser' );?>"" id="event-draft" name="save">
				<input type="reset" class="button" id="reset" value="<?php _e( 'Cancel', 'eventorganiser' );?>">

				<span id="publishing-action">
					<input type="submit" accesskey="p" tabindex="5" value="<?php _e( 'Publish Event', 'eventorganiser' );?>" class="button-primary" id="publish" name="publish">
				</span>

			<?php elseif( current_user_can( 'edit_events' ) ):?>
				<input type="reset" class="button" id="reset" value="<?php _e( 'Cancel', 'eventorganiser' );?>">
				<span id="publishing-action">
					<input type="submit" accesskey="p" tabindex="5" value="<?php _e( 'Submit for Review', 'eventorganiser' );?>" class="eo_alignright button-primary" id="submit-for-review" name="publish">
				</span>
			<?php endif; ?>
			
			<br class="clear">
			</form>
		</div>
		<?php endif; ?>
	</div><!-- .wrap -->
<?php
	}
}
$calendar_page = new EventOrganiser_Calendar_Page();


function eventorganiser_event_detail_dialog(){

	$tabs = apply_filters( 'eventorganiser_calendar_dialog_tabs', array( 'summary' => __( 'Event Details', 'eventorganiser' ) ) );
	
	printf( "<div id='events-meta' class='eo-dialog' style='display:none;' title='%s'>", esc_attr__( 'Event Detail', 'eventorganiser' ) );
		echo "<div id='eo-dialog-tabs'>";
			echo "<ul style='position: relative;'>";
			foreach ( $tabs as $id => $label ){
				printf( '<li id="eo-dialog-tab-%1$s"><a href="#eo-dialog-tab-%1$s-content">%2$s</a></li>', esc_attr( $id ), esc_html( $label ) );
			}
			echo '</ul>';
			foreach ( $tabs as $id => $label ){
				printf( '<div id="eo-dialog-tab-%s-content"> </div>', esc_attr( $id ) );
			}
		echo '</div>';
		echo '</div>';
}
?>