<?php
if (!defined('ABSPATH')) exit;

//Gutenberg block: lets non-technical users add ticket sales to a page/post
//without ever seeing a shortcode. Renders via the same code path as [ticketdrum].

function ticketdrum_register_block()
{
	global $wpdb;

	if (!function_exists('register_block_type')) return; //Classic editor only - shortcodes still work

	wp_register_script('ticketdrum-block', plugins_url('/js/ticketdrum-block.js',dirname(__FILE__)), ['wp-blocks','wp-element','wp-components','wp-block-editor','wp-i18n'], TICKETDRUM_STYLE_VERSION, true);
	wp_set_script_translations('ticketdrum-block','ticketdrum');

	//Titles are handed to JavaScript, which renders them as plain text rather than HTML, so
	//any entities in the stored title have to be decoded first or the editor shows the raw
	//"F&ecirc;te" instead of "Fête".
	$events = $wpdb->get_results($wpdb->prepare("SELECT id,title,status FROM %i WHERE status!='archived' ORDER BY added DESC",TICKETDRUM_EVENTS_TABLE),ARRAY_A);
	foreach ($events as $event_index=>$event_row)
		$events[$event_index]['title'] = ticketdrum_text($event_row['title']);
	wp_localize_script('ticketdrum-block','ticketdrumBlockData',['events'=>$events?$events:[]]);

	register_block_type('ticketdrum/display',[
		'editor_script' => 'ticketdrum-block',
		'attributes' => [
			'mode' => ['type'=>'string','default'=>'tickets'],
			'eventId' => ['type'=>'number','default'=>0],
		],
		'render_callback' => 'ticketdrum_render_block',
	]);
}
add_action('init','ticketdrum_register_block');

function ticketdrum_render_block($attributes)
{
	$mode = in_array($attributes['mode']??'',['list','details','tickets'])?$attributes['mode']:'tickets';
	$event_id = (int)($attributes['eventId']??0);

	if ($mode=='list')
		return ticketdrum_display([]);

	if ($event_id==0) return '';

	return ticketdrum_display([$mode,'id'=>$event_id]);
}