<%#
 Copyright 2008 Steven Barth <steven@midlink.org>
 Copyright 2008-2010 Jo-Philipp Wich <jow@openwrt.org>
 Licensed to the public under the Apache License 2.0.
-%>

<%
	local sys  = require "luci.sys"
	local util = require "luci.util"
	local http = require "luci.http"
	local disp = require "luci.dispatcher"
	local ver  = require "luci.version"

	local sysinfo = util.ubus("system", "info") or { }
	local loadinfo = sysinfo.load or { 0, 0, 0 }
	local boardinfo = util.ubus("system", "board") or { }

	local request  = disp.context.path
	local request2 = disp.context.request

	local category = request[1]
	local cattree  = category and disp.node(category)

	local leaf = request2[#request2]

	local tree = disp.node()
	local node = disp.context.dispatched

	local categories = disp.node_childs(tree)

	local c = tree
	local i, r

	-- tag all nodes leading to this page
	for i, r in ipairs(request) do
		if c.nodes and c.nodes[r] then
			c = c.nodes[r]
			c._menu_selected = true
		end
	end

	http.prepare_content("application/xhtml+xml")

	local function nodeurl(prefix, name, query)
		local u = url(prefix, name)
		if query then
			u = u .. http.build_querystring(query)
		end
		return pcdata(u)
	end

	local function render_menu(prefix, node, level)
		if not level then
			level = 1
		end

		local childs = disp.node_childs(node)
		if #childs > 0 then
			write('<ul class="mainmenu l%d">' % level)

			local i, v
			for i, v in ipairs(childs) do
				local nnode = node.nodes[v]

				write('<li class="mainmenu-item-%s %s"><a href="%s">%s</a>' %{
					v, (nnode._menu_selected or (node.leaf and v == leaf)) and 'selected' or '',
					nodeurl(prefix, v, nnode.query),
					striptags(translate(nnode.title))
				})

				if level < 2 then
					render_menu(prefix .. "/" .. v, nnode, level + 1)
				end

				write('</li>')
			end

			write('</ul>')
		end
	end

	local function render_tabmenu(prefix, node, level)
		if not level then
			level = 1
		end

		local childs = disp.node_childs(node)
		if #childs > 0 then
			if level > 2 then
				if level == 3 then
					write('<div id="tabmenu">')
				end
				write('<ul class="cbi-tabmenu">')
			end

			local selected_node
			local selected_name
			local i, v

			for i, v in ipairs(childs) do
				local nnode = node.nodes[v]
				if nnode._menu_selected then
					selected_node = nnode
					selected_name = v
				end

				if level > 2 then
					write('<li class="tabmenu-item-%s %s"><a href="%s">%s</a></li>' %{
						v, (nnode._menu_selected or (node.leaf and v == leaf)) and 'cbi-tab' or '',
						nodeurl(prefix, v, nnode.query),
						striptags(translate(nnode.title))
					})
				end
			end

			if level > 2 then
				write('</ul>')
				if level == 3 then
					write('</div>')
				end
			end

			if selected_node then
				render_tabmenu(prefix .. "/" .. selected_name, selected_node, level + 1)
			end
		end
	end

	local function render_changes()
		if tree.nodes[category] and tree.nodes[category].ucidata then
			local ucic = 0
			local i, j
			for i, j in pairs(require("luci.model.uci").cursor():changes()) do
				ucic = ucic + #j
			end

			if ucic > 0 then
				write('<div id="savemenu" class="uci_change_indicator"><a class="warning" href="%s?redir=%s">%s: %d</a></div>' %{
					url(category, 'uci/changes'),
					http.urlencode(http.formvalue('redir') or table.concat(disp.context.request, "/")),
					translate('Unsaved Changes'),
					ucic
				})
			end
		end
	end
-%>

<?xml version="1.0" encoding="utf-8"?>
<!DOCTYPE html PUBLIC "-//W3C//DTD XHTML 1.0 Strict//EN" "http://www.w3.org/TR/xhtml1/DTD/xhtml1-strict.dtd">
<html xmlns="http://www.w3.org/1999/xhtml" xml:lang="<%=luci.i18n.context.lang%>" lang="<%=luci.i18n.context.lang%>">
<head>
<meta http-equiv="Content-Type" content="text/html; charset=utf-8" />
<meta name="viewport" content="width=device-width, initial-scale=1" />
<meta http-equiv="Content-Script-Type" content="text/javascript" />
<link rel="stylesheet" type="text/css" media="screen" href="<%=media%>/cascade.css" />
<% if node and node.css then %><link rel="stylesheet" type="text/css" media="screen" href="<%=resource%>/<%=node.css%>" />
<% end -%>
<% if css then %><style title="text/css">
<%= css %>
</style>
<% end -%>
<script type="text/javascript" src="<%=url('admin/translations', luci.i18n.context.lang)%><%# ?v=PKG_VERSION %>"></script>
<script type="text/javascript" src="<%=resource%>/cbi.js"></script>
<script type="text/javascript" src="<%=resource%>/xhr.js"></script>
<script type="text/javascript">//<![CDATA[
	document.addEventListener('DOMContentLoaded', function() {
		var event = ('ontouchstart' in window) ? 'touchstart' : 'click';

		document.querySelectorAll('ul.mainmenu.l1 > li > a').forEach(function(a) {
			a.addEventListener(event, function(ev) {
				var a = ev.target, ul1 = a.parentNode.parentNode, ul2 = a.nextElementSibling;

				document.querySelectorAll('ul.mainmenu.l1 > li.active').forEach(function(li) {
					if (li !== a.parentNode)
						li.classList.remove('active');
				});

				if (!ul2)
					return;

				if (ul2.parentNode.offsetLeft + ul2.offsetWidth <= ul1.offsetLeft + ul1.offsetWidth)
					ul2.classList.add('align-left');

				ul1.classList.add('active');
				a.parentNode.classList.add('active');
				a.blur();

				ev.preventDefault();
				ev.stopPropagation();
			});
		});

		document.addEventListener(event, function(ev) {
			var t = ev.target;

			while (t && t.id != 'mainmenu')
				t = t.parentNode;

			if (!t)
				document.querySelectorAll('ul.mainmenu > li.active').forEach(function(li) {
					li.classList.remove('active');
				});
		});
	});
//]]></script>
<title><%=striptags( (boardinfo.hostname or "?") .. ( (node and node.title) and ' - ' .. translate(node.title) or '')) %> - LuCI</title>
</head>
<body class="lang_<%=luci.i18n.context.lang%>" data-page="<%= table.concat(disp.context.requestpath, "-") %>">

<p class="skiplink">
<span id="skiplink1"><a href="#navigation"><%:Skip to navigation%></a></span>
<span id="skiplink2"><a href="#content"><%:Skip to content%></a></span>
</p>

<div id="menubar">
<h2 class="navigation"><a id="navigation" name="navigation"><%:Navigation%></a></h2>

<div class="hostinfo">
	<%=(boardinfo.hostname or "?")%> | <%=ver.distversion%> |
	<%:Load%>: <%="%.2f" % (loadinfo[1] / 65535.0)%> <%="%.2f" % (loadinfo[2] / 65535.0)%> <%="%.2f" % (loadinfo[3] / 65535.0)%>
	<span id="xhr_poll_status" style="display:none" onclick="XHR.running() ? XHR.halt() : XHR.run()">
		| <%:Auto Refresh%>:
		<span id="xhr_poll_status_on"><%:on%></span>
		<span id="xhr_poll_status_off" style="display:none"><%:off%></span>
	</span>
</div>

<% if #categories > 1 then %>
	<ul id="modemenu">
		<% for i, r in ipairs(categories) do %>
			<li><a<% if request[1] == r then %> class="active"<%end%> href="<%=controller%>/<%=r%>/"><%=striptags(translate(tree.nodes[r].title))%></a></li>
		<% end %>
	</ul>
<% end %>

<% render_changes() %>

<div class="clear"></div>
</div>

<div id="maincontainer">
	<div id="mainmenu">
		<% if category then render_menu(category, cattree) end %>
	</div>

	<div id="maincontent">
		<% if category then render_tabmenu(category, cattree) end %>

		<noscript>
			<div class="alert-message warning">
				<h4><%:JavaScript required!%></h4>
				<p><%:You must enable JavaScript in your browser or LuCI will not work properly.%></p>
			</div>
		</noscript>

		<%- if luci.sys.process.info("uid") == 0 and luci.sys.user.getuser("root") and not luci.sys.user.getpasswd("root") and category ~= "failsafe" then -%>
		<div class="alert-message warning">
			<h4><%:No password set!%></h4>
			<p><%:There is no password set on this router. Please configure a root password to protect the web interface and enable SSH.%></p>
			<% if disp.lookup("admin/system/admin") then %>
				<div class="right"><a class="btn" href="<%=url("admin/system/admin")%>"><%:Go to password configuration...%></a></div>
			<% end %>
		</div>
		<%- end -%>
