/*
 * GitPHP javascript project search
 *
 * Live search of project list
 *
 * @author Christopher Han <xiphux@gmail.com>
 * @copyright Copyright (c) 2010 Christopher Han
 * @package GitPHP
 * @subpackage Javascript
 */

var oldSearchValue = '';
var searchTimeout = null;

function runSearch() {
	var search = $('input.projectSearchBox').val().toLowerCase();
	oldSearchValue = search;
	clearTimeout(searchTimeout);
	searchTimeout = null;
	
	if (search.length == 0) {
		$('a.clearSearch').hide();
	} else {
		$('a.clearSearch').show();
	}

	var visibleCats = [];

	var hasmatch = false;

	$('table.projectList tr.projectRow').each(function() {
		if (search.length < 1) {
			$(this).show();
			hasmatch = true;
			return;
		}

		var category = '';

		var projectName = $(this).find('td.projectName a').text();
		if (projectName.length > 0) {
			if (projectName.toLowerCase().indexOf(search) != -1) {
				$(this).show();
				hasmatch = true;
				category = $(this).data('category');
				if (category) {
					if (jQuery.inArray(category, visibleCats) == -1) {
						visibleCats.push(category);
					}
				}
				return;
			}
		}
		var projectDesc = $(this).find('td.projectDescription a').text();
		if (projectDesc.length > 0) {
			if (projectDesc.toLowerCase().indexOf(search) != -1) {
				$(this).show();
				hasmatch = true;
				category = $(this).data('category');
				if (category) {
					if (jQuery.inArray(category, visibleCats) == -1) {
						visibleCats.push(category);
					}
				}
				return;
			}
		}
		var projectOwner = $(this).find('td.projectOwner em').text();
		if (projectOwner.length > 0) {
			if (projectOwner.toLowerCase().indexOf(search) != -1) {
				$(this).show();
				hasmatch = true;
				category = $(this).data('category');
				if (category) {
					if (jQuery.inArray(category, visibleCats) == -1) {
						visibleCats.push(category);
					}
				}
				return;
			}
		}
		$(this).hide();
	});

	$('table.projectList tr.categoryRow').each(function() {
		if (search.length < 1) {
			$(this).show();
			return;
		}

		var category = $(this).children('th.categoryName').text();
		if (category.length > 0) {
			if (jQuery.inArray(category, visibleCats) !== -1) {
				$(this).show();
			} else {
				$(this).hide();
			}
		}
	});

	var msgDiv = $('div.message');
	if (hasmatch) {
		msgDiv.hide();
		$('tr.projectHeader').show();
	} else {
		if (msgDiv.length == 0) {
			msgDiv = jQuery(document.createElement('div'));
			msgDiv.addClass('message');
			msgDiv.appendTo($('table.projectList'));
		}

		var msg = GITPHP_RES_NO_MATCHES_FOUND.replace(new RegExp('%1'), $('input.projectSearchBox').val());
		msgDiv.text(msg);

		msgDiv.show();
		$('tr.projectHeader').hide();
	}

	$('img.searchSpinner').hide();
};

function initProjectSearch() {
	$('#projectSearchForm').keypress(function(e) {
		if (e.which == 13) {
			return false;
		}
	});

	var rows = $('table.projectList tr');

	if (rows.length == 0) {
		// No projects, just stop
		return;
	}

	// Store project categories
	var category = '';
	rows.each(function() {
		if ($(this).hasClass('categoryRow')) {
			category = $(this).children('th.categoryName').text();
		} else if ($(this).hasClass('projectRow')) {
			if (category.length > 0) {
				$(this).data('category', category);
			}
		}
	});

	$('a.clearSearch').click(function() {
		$('img.searchSpinner').show();
		$('input.projectSearchBox').val('');
		oldSearchValue = '';
		runSearch();
		return false;
	});

	var typeEvent = function() {
		if ($('input.projectSearchBox').val() != oldSearchValue) {
			$('img.searchSpinner').show();
			if (searchTimeout != null) {
				clearTimeout(searchTimeout);
			}
			setTimeout("runSearch()", 500);
		}
	};

	$('input.projectSearchBox').keyup(typeEvent).bind('input paste', typeEvent);
};

$(document).ready(function() {
	initProjectSearch();
});