<?php require('_mod_security.php'); ?>
<?php
	$slug1 = parse_uri('slug1', 1, 'home', true);
	//$slug2 = parse_uri('slug2', 2);
	if ($slug1 === 'locations') :
		set_analytics_reference('locations', null);
		echo '<div class="content_left">';
		add_seo_page_header('Venues - ThoughtGallery.org', curr_page_url(), 'The top places to attend lectures, talks, readings, or discussions in NYC, including museums, colleges, book stores, cultural institutions, and more.');
		$sql = "
			SELECT DISTINCT l.* FROM locations l
			INNER JOIN events e ON (l.id = e.location_id AND e.status = 1 AND e.start_time_local > NOW())
			WHERE l.status = 1 ORDER BY l.name ASC
		";
		$rows = db_cached_query($sql, 'obj');
		if (count($rows) > 0) :
			echo '<h1>Venues</h1>';
			echo '<h2>SEARCH for a specific venue by selecting an item below.</h2>';
			echo '<h6>ALL NYC VENUES</h6>';
			foreach ($rows as $row) :
				echo '<div class="location_list_item">';
				echo '<a href="locations/' . $row->slug . '/">' . $row->name . '</a>';
				if (!empty($row->address)) :
					echo ' | ' . $row->address;
				endif;
				echo '</div>';
				endforeach;
		else :
			echo '<h1>No Locations</h1>';
			echo '<h2>Please change your search criteria and try again.</h2>';
			echo '<br><br><br>';
		endif;
		echo '</div>'; //content_left
	else :
		set_analytics_reference('all_categories', null);
		$where_dates = ' AND e.start_time_local >= NOW() ';
		$where_cat = '';
		$where_title = '';
		$where_ids = '';
		$sql_parms = [];
		$filter_search = false;
		$ai_search = false;
		$analytics_data = [];
		if (!empty($_POST['range_search_submitted']) && $_POST['range_search_submitted'] == '1') :
			if (!empty(trim($_POST['search_date_range']))) :
				$filter_search = true;
				$analytics_data['search_date_range'] = $_POST['search_date_range'];
				$dates = explode(' to ', $_POST['search_date_range']);
				$date_start = date('Y-m-d 00:00:00', strtotime($dates[0]));
				if (empty($dates[1])) :
					$dates[1] = $dates[0];
				endif;
				$date_end = date('Y-m-d 23:59:59', strtotime($dates[1]));
				$where_dates = ' AND e.start_time_local BETWEEN :start_date AND :end_date ';
				$sql_parms [':start_date'] = $date_start;
				$sql_parms [':end_date'] = $date_end;
			endif;
			if (is_array($_POST['search_categories'] ?? '') && count($_POST['search_categories']) > 0) :
				$filter_search = true;
				$analytics_data['search_categories'] = $_POST['search_categories'];
				$where_cat = ' AND ec.category_id IN (';
				$ar_cat_parms = [];
				foreach ($_POST['search_categories'] as $cat_id) :
					$parm = ':cat_id_' . (int)$cat_id;
					$sql_parms[$parm] = (int)$cat_id;
					$ar_cat_parms[] = $parm; 
				endforeach;
				$where_cat .= implode(', ', $ar_cat_parms);
				$where_cat .= ') ';
			endif;
			if (!empty(trim($_POST['search_title']))) :
				$filter_search = true;
				$analytics_data['search_title'] = $_POST['search_title'];
				$where_title = ' AND e.name LIKE :title ';
				$sql_parms [':title'] = '%' . trim($_POST['search_title']) . '%';
			endif;
			if (count($analytics_data) > 0) :
				analytics_tracking('filter_search', 'search', '', null, null, 20, json_encode($analytics_data));
			endif;
		endif;
		if (!empty($_POST['ai_search_submitted']) && $_POST['ai_search_submitted'] == '1' && !empty($_POST['search_ai_text'])) :
			require_once('admin/classes/lcs_ai_search.php');
			$ai_search = true;
			$analytics_data['search_ai_text'] = $_POST['search_ai_text'];
			$ai_search = new lcs_ai_search($_POST['search_ai_text']);
			$ar_ai_search_ids = $ai_search->filter_events_chatgpt();
			if (count($ar_ai_search_ids) > 0) :
				array_walk($ar_ai_search_ids, function (&$value) {
					$value = (int) $value;
				});
				$where_ids = ' AND e.id IN (' . implode(',', $ar_ai_search_ids) . ')';
			endif;
			if (count($analytics_data) > 0) :
				analytics_tracking('ai_search', 'search', '', null, null, 20, json_encode($analytics_data));
			endif;
		endif;
		$sql = "SELECT e.*, l.name AS location_name, l.slug AS location_slug,
			JSON_ARRAYAGG(
				JSON_OBJECT('category_slug', c.slug, 'category_name', c.name)
			) AS categories
			FROM events e
			LEFT JOIN locations l ON (l.id = e.location_id AND l.status = 1)
			LEFT JOIN events_categories ec ON (e.id = ec.event_id)
			LEFT JOIN categories c ON (c.id = ec.category_id AND c.active =1)
			WHERE e.status = 1
				$where_dates
				$where_cat
				$where_title
				$where_ids
			GROUP BY e.id
			ORDER BY e.start_time_local ASC, e.id ASC
			LIMIT 500
		";
		$rows = db_cached_query($sql, 'obj', $sql_parms);

		echo '<div class="content_left">';

		if ($_GET['IX'] == 'page_all_categories') :
			add_seo_page_header('ALL Categories - ThoughtGallery.org');
			echo '<h1>Talks, Seminars, & Readings</h1>';
		endif;
		if (!$filter_search) :
			echo '<h2>Ask THOUGHT GALLERY CONCIERGE</h2>';
			require('form_search_ai.php');
		endif;
		if (!$filter_search && !$ai_search) :
			echo '<hr class="search_separator">';
		endif;
		if (!$ai_search) :
			echo '<h2>Search for events by date range, category, and title:</h2>';
			require('form_search.php');
		endif;
		if (count($rows) > 0) :
			echo '<h1 id="top_of_pagination">Calendar</h1>';
			$date_hold = '';
			$page_count = 0;
			$row_count = 999;
			$row_count_total = 0;
			$hidden = false;
			foreach ($rows as $row) :
				if ($row_count >= 50) :
					$row_count = 0;
					$page_count++;
					$date_hold = '';
					echo '<div class="pagination_page" id="pagination_' . $page_count . '" ' . ($hidden ? ' style="display: none;" ' : '') . '>'; //open pagination div
					$hidden = true;
				endif;
				$row_count++;
				$row_count_total++;
				$date = date('l, F j, Y', strtotime($row->start_time_local));
				if ($date !== $date_hold) :
					echo '<h2 class="date_group_header">' . $date . '</h2>';
					$date_hold = $date;
				endif;
				echo '<div class="all_categories_item_container">';
				echo '<div class="all_categories_time_container">';
				echo date('g:i A', strtotime($row->start_time_local));;
				echo '</div>';
				echo '<div class="all_categories_event_container">';
				echo '<h3><a href="events/' . $row->slug . '/">' . $row->name . '</a></h3>';
				if (!empty($row->location_name)) :
					echo '<span class="location"><a href="locations/' . $row->location_slug . '/">' . $row->location_name . '</a></span><br>';
				elseif (!empty($row->submitted_location)) :
					echo '<span class="location">' . $row->submitted_location . '</span><br>';
				endif;
				$categories = json_decode($row->categories);
				if (json_last_error() === JSON_ERROR_NONE) :
					$i = 0;
					if (count($categories) > 0) :
						//echo '<br>';
					endif;
					foreach ($categories as $category) :
						if ($i > 0) :
							echo ', ';
						endif;
						echo '<span class="category"><a href="events/categories/' . $category->category_slug . '/">' . $category->category_name . '</a></span>';
						$i++;
					endforeach;
				endif;
				echo '</div>';
				echo '</div>';
				if ($row_count >= 50 || $row_count_total >= count($rows)) :
					echo '</div>'; //close pagination div
				endif;
			endforeach;
		echo '<div class="pagination_nav">';
		echo '<a id="pagination_nav_prev" href="?pno=prev" onclick="navigate_page(event, this, pagination_cur_page - 1);">&lt;</a>&emsp;';
		for ($page = 1; $page <= $page_count; $page++) :
			echo '<a id="pagination_nav_' . $page . '" href="?pno=' . $page . '" onclick="navigate_page(event, this, ' . $page . ');">' . $page . '</a>&emsp;';
		endfor;
		echo '<a id="pagination_nav_next" href="?pno=next" onclick="navigate_page(event, this, pagination_cur_page + 1);">&gt;</a>&emsp;';
		echo '</div>'; //pagination_nav
		else :
			echo '<h1>No Events</h1>';
			echo '<h2>Please change your search criteria and try again.</h2>';
			echo '<br><br><br>';
		endif;
		echo '</div>'; // content_left
	endif;
	include_once('sidebar.php');
	echo '<div class="cleardiv">&nbsp;</div>';
?>
<script>
	var pagination_cur_page = 0;
	var pagination_max_pages = <?= $page_count ?? 0 ?>;
	function navigate_page(e, elem, page_no) {
		if (e && e.preventDefault) {
			e.preventDefault();
		}
		if (page_no == pagination_cur_page) {
			return;
		}
		$('#pagination_nav_prev').show();
		$('#pagination_nav_next').show();
		if (page_no <= 1) {
			page_no = 1;
			$('#pagination_nav_prev').hide();
		}
		if (page_no >= pagination_max_pages) {
			page_no = pagination_max_pages;
			$('#pagination_nav_next').hide();
		}
		$('#pagination_nav_' + pagination_cur_page).removeClass('pagination_current');
		pagination_cur_page = page_no;
		$('.pagination_page').hide();
		$('#pagination_' + page_no).show();
		$('#pagination_nav_' + page_no).addClass('pagination_current');
		if (elem) {
			$('html, body').animate({
				scrollTop: $('#top_of_pagination').offset().top
			}, 600);
		}

	}
	$(document).ready(function() {
		navigate_page(null, null, 1);
	});

</script>