function searchpath_getScriptURL()
{
	var js_url = "";
	var tags = document.getElementsByTagName("script");
	for (var i = 0; i < tags.length; i++) {
		var t = tags[i];
		if (t.src.indexOf("searchpath.io/v1/") !== -1) {
			js_url = t.src;
		}
	}
	
	return js_url;
}

function searchpath_getScriptBase()
{
	var base_url = "http://js.searchpath.io";
	var js_url = searchpath_getScriptURL();
	var path_offset = js_url.indexOf("/v1/");
	if (path_offset > 0) {
		base_url = js_url.substring(0, path_offset);
	}
	
	return base_url;
}

function searchpath_getParam(inName)
{
	var js_url = searchpath_getScriptURL();
	var s = js_url.split("?")[1];
	if (s !== undefined) {
		var params = s.split("&");
		for (var i = 0; i < params.length; i++) {
			var param = params[i];
			var name = param.split("=")[0];
			var val = param.split("=")[1];
			if (name == inName) {
				return decodeURIComponent(val);
			}
		}
	}

	return "";
}

function searchpath_getFieldId()
{
	var field_id = searchpath_getParam("id");
	if (field_id === "") {
		field_id = "searchpath_q";
	}
	return field_id;
}

function searchpath_getTheme()
{
	var theme = searchpath_getParam("theme");
	if (theme === "") {
		theme = "default";
	}
	return theme;
}

function searchpath_getSite()
{
	var site = document.location.hostname;
	var js_url = searchpath_getScriptURL();
	if (js_url !== "") {
		var s = js_url.split("?")[0];
		var pieces = s.split("/");
		site = pieces[pieces.length-1];
	}
	return site;
}

function searchpath_go()
{
	var searchpath_j = document.searchpath_jQuery;

	if (searchpath_j("#searchpath_pane").length === 0) {
		searchpath_j("<div>").attr("id", "searchpath_arrow").appendTo("body");
		searchpath_j("<div>").attr("id", "searchpath_pane").appendTo("body");
		searchpath_j("<div>").attr("id", "searchpath_backdrop").appendTo("body");

		searchpath_j(document).keyup(function(e) {
			if (e.which == 27) {
				searchpath_close();
				searchpath_restoreScroll();
				return false;
			}
		});
	}

	var search_box = document.getElementById(searchpath_getFieldId());
	var q = search_box.value;
	var link = searchpath_j(search_box);
	var copy_pane = searchpath_j('#searchpath_pane');
	var copy_arrow = searchpath_j('#searchpath_arrow');
	var backdrop = searchpath_j('#searchpath_backdrop');
	var x, y;

	if (q.length === 0) {
		searchpath_close();
		searchpath_restoreScroll();
		return false;
	}

	var page_column_size = searchpath_j(document).width() / 5;
	var position_mid = link.offset().left + (link.width() / 2);
	var direction;
	if ((position_mid > (page_column_size * 2)) && (position_mid < (page_column_size * 3))) {
		x = (page_column_size * 2) + (page_column_size / 2) - (copy_pane.width() / 2);
		if (link.offset().top < 500) {
			direction = "up";
			y = link.offset().top + link.height() + 20;
		}
		else {
			direction = "down";
			y = link.offset().top - copy_pane.height() - 20;
		}
	}
	else if (link.offset().left > 400) {
		x = link.offset().left - copy_pane.width() - 20;
		y = link.offset().top - (copy_pane.height() / 2) + parseInt(link.css("padding-top"),10);
		direction = "right";
	}
	else {
		x = link.offset().left + link.width() + parseInt(link.css("padding-left"),10) + parseInt(link.css("padding-right"),10) + 20;
		y = link.offset().top - (copy_pane.height() / 2) + parseInt(link.css("padding-top"),10);
		direction = "left";
	}

	var scroll_y = searchpath_j(document).scrollTop();
	if ((y - scroll_y) < 10) {
		y = scroll_y + 10;
	}
	else {
		var scroll_bottom = scroll_y + searchpath_j(window).height();
		if ((y + copy_pane.height()) > scroll_bottom) {
			y = scroll_bottom - copy_pane.height() - 10;
		}
	}

	copy_pane.css({
		top: y + "px",
		left: x + "px",
		"box-shadow": "1px 1px 2px gray"
	});

	backdrop.css({
		width: searchpath_j(document).width() + "px",
		height: searchpath_j(document).height() + "px"
	});

	searchpath_showWithOpacity(backdrop, 0.7);
	searchpath_showWithOpacity(copy_pane, 1.0);

	if (copy_pane.scrollTop() > 0) {
		copy_pane.animate({scrollTop:0});
	}

	if (direction == "up") {
		copy_arrow.css("background-image", "url(" + searchpath_getScriptBase() + "/themes/" + searchpath_getTheme() + "/popover_arrow_up.png)");
		copy_arrow.css({
			width: "30px",
			height: "16px",
			top: y - 15 + "px",
			left: link.offset().left + (link.width() / 2) - 10 + "px"
		});
	}
	else if (direction == "down") {
		copy_arrow.css("background-image", "url(" + searchpath_getScriptBase() + "/themes/" + searchpath_getTheme() + "/popover_arrow_down.png)");
		copy_arrow.css({
			width: "30px",
			height: "16px",
			top: y + copy_pane.height() + "px",
			left: link.offset().left + (link.width() / 2) - 10 + "px"
		});
	}
	else if (direction == "right") {
		copy_arrow.css("background-image", "url(" + searchpath_getScriptBase() + "/themes/" + searchpath_getTheme() + "/popover_arrow_right.png)");
		copy_arrow.css({
			top: link.offset().top - 4 + "px",
			left: copy_pane.offset().left + copy_pane.width() + 1 + "px"
		});
	}
	else if (direction == "left") {
		copy_arrow.css({
			top: link.offset().top - 4 + "px",
			left: copy_pane.offset().left - copy_arrow.width() + 1 + "px"
		});
	}

	searchpath_showWithOpacity(copy_arrow, 1.0);

	backdrop.unbind("click");
	backdrop.click(function() {
		searchpath_close();
		searchpath_restoreScroll();
		return false;
	});

	searchpath_preventScroll();

	searchpath_j.get(searchpath_getScriptBase() + "/html?site=" + encodeURIComponent(searchpath_getSite()) + "&path=" + encodeURIComponent(searchpath_getParam("path")) + "&q=" + encodeURIComponent(q), function(response_data) {
		copy_pane.html(response_data);
	});

	return false;
}

function searchpath_mobile()
{
	var searchpath_j = document.searchpath_jQuery;
	var search_box = document.getElementById(searchpath_getFieldId());
	var q = search_box.value;
	var body_tag = searchpath_j('body');

	searchpath_j.get(searchpath_getScriptBase() + "/html?site=" + encodeURIComponent(searchpath_getSite()) + "&path=" + encodeURIComponent(searchpath_getParam("path")) + "&q=" + encodeURIComponent(q), function(response_data) {
		body_tag.html(response_data);
		body_tag.append('<input type="hidden" id="' + searchpath_getFieldId() + '" value="' + encodeURIComponent(q) + '" />');

		if (body_tag.scrollTop() > 0) {
			body_tag.animate({scrollTop:0});
		}
	});

	return false;
}

function searchpath_showMore()
{
	var searchpath_j = document.searchpath_jQuery;
	var search_box = document.getElementById(searchpath_getFieldId());
	var q = search_box.value;
	searchpath_j.get(searchpath_getScriptBase() + "/html?site=" + encodeURIComponent(searchpath_getSite()) + "&path=" + encodeURIComponent(searchpath_getParam("path")) + "&q=" + encodeURIComponent(q) + "&from=10&size=50", function(response_data) {
		searchpath_j("#searchpath_more").html(response_data);
	});
}

function searchpath_close()
{
	var searchpath_j = document.searchpath_jQuery;

	if (searchpath_isMobile()) {
		window.location.reload();
	}
	else {
		searchpath_hideWithOpacity(searchpath_j("#searchpath_pane"));
		searchpath_hideWithOpacity(searchpath_j("#searchpath_arrow"));
		searchpath_hideWithOpacity(searchpath_j("#searchpath_backdrop"));

		setTimeout(function() {
			searchpath_j("#searchpath_pane").hide();
			searchpath_j("#searchpath_arrow").hide();
			searchpath_j("#searchpath_backdrop").hide();
		}, 1000);
	}
}

function searchpath_probablyHasScrollBars()
{
	var result = true;
	
	if (navigator.userAgent.match(/WebKit/i) !== null) {
		var bar_width = window.innerWidth - document.documentElement.clientWidth;
		if (bar_width === 0) {
			result = false;
		}
	}
	
	return result;
}

function searchpath_preventScroll()
{
	if (!searchpath_probablyHasScrollBars()) {
		var searchpath_j = document.searchpath_jQuery;
		searchpath_j("body").css("overflow", "hidden");
	}
}

function searchpath_restoreScroll()
{
	if (!searchpath_probablyHasScrollBars()) {
		var searchpath_j = document.searchpath_jQuery;
		searchpath_j("body").css("overflow", "scroll");
	}
}

function searchpath_showWithOpacity(inElement, inOpacity)
{
	inElement.show();
	inElement.css("opacity", inOpacity);
}

function searchpath_hideWithOpacity(inElement)
{
	inElement.css("opacity", 0);
}

function searchpath_isMobile()
{
	return (navigator.userAgent.match(/iPhone/i) !== null);
}

function searchpath_isSecure()
{
	var base_url = searchpath_getScriptBase();
	return (base_url.indexOf("https://") == 0);
}

if (searchpath_getParam("jquery") === "0") {
	document.searchpath_jQuery = jQuery;
}
else {
	var script = document.createElement("script");
	if (searchpath_isSecure()) {
		script.src = "https://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js";
	}
	else {
		script.src = "http://ajax.googleapis.com/ajax/libs/jquery/1.11.3/jquery.min.js";
	}
	script.type = "text/javascript";
	script.onload = function() {
		document.searchpath_jQuery = jQuery.noConflict(true);
	};

	document.getElementsByTagName('head')[0].appendChild(script);
}

var css_link = document.createElement("link");
css_link.rel = "stylesheet";
css_link.href = searchpath_getScriptBase() + "/themes/" + searchpath_getTheme() + "/main.css";
css_link.type = "text/css";

document.getElementsByTagName('head')[0].appendChild(css_link);

if (searchpath_getParam("id") === "") {
	document.write('<form class="form-search"><input type="search" name="q" id="searchpath_q" class="input-medium search-query" placeholder="' + searchpath_getParam("placeholder") + '" /></form>');
}

if (searchpath_isMobile()) {
	document.getElementById(searchpath_getFieldId()).form.onsubmit = searchpath_mobile;
}
else {
	document.getElementById(searchpath_getFieldId()).form.onsubmit = searchpath_go;
}