<%#
 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('<div class="tabmenu%d"><ul class="tabmenu l%d">' %{
				level, level
			})

			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

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

			write('</ul><br style="clear:both" />')

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

			write('</div>')
		end
	end

	local function render_changes()
		if tree.nodes[category] and tree.nodes[category].ucidata then
			local ucic = 0
			for i, j in pairs(require("luci.model.uci").cursor():changes()) do
				for k, l in pairs(j) do
					for m, n in pairs(l) do
						ucic = ucic + 1;
					end
				end
			end

			write('<div id="savemenu">')

			if ucic > 0 then
				write('<a class="warning" href="%s?redir=%s">%s: %d</a>' %{
					url(category, 'uci/changes'),
					http.urlencode(http.formvalue('redir') or REQUEST_URI),
					translate('Unsaved Changes'),
					ucic
				})
			else
				write('<a href="#">%s: 0</a>' %{
					translate('Unsaved Changes')
				})
			end

			write('</div>')
		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 http-equiv="Content-Script-Type" content="text/javascript" />
<link rel="stylesheet" type="text/css" media="screen" href="<%=media%>/cascade.css" />
<!--[if IE 6]><link rel="stylesheet" type="text/css" media="screen" href="<%=media%>/ie6.css" /><![endif]-->
<!--[if IE 7]><link rel="stylesheet" type="text/css" media="screen" href="<%=media%>/ie7.css" /><![endif]-->
<!--[if IE 8]><link rel="stylesheet" type="text/css" media="screen" href="<%=media%>/ie8.css" /><![endif]-->
<% 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="<%=resource%>/xhr.js"></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%>">

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

	<div id="maincontent">
		<noscript>
			<div class="errorbox">
				<strong><%:JavaScript required!%></strong><br />
				<%:You must enable JavaScript in your browser or LuCI will not work properly.%>
			</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="errorbox">
			<strong><%:No password set!%></strong><br />
			<%:There is no password set on this router. Please configure a root password to protect the web interface and enable SSH.%><br />
			<a href="<%=pcdata(luci.dispatcher.build_url("admin/system/admin"))%>"><%:Go to password configuration...%></a>
		</div>
		<%- end -%>
