<%#
 This is free software, licensed under the Apache License, Version 2.0
-%>

<%-

local util = require "luci.util"
local json = require "luci.jsonc"


local ifaces = {}

local data = util.exec("vnstat --json f 1 2>/dev/null")
local content = json.parse(data)
if type(content) == "table" then
	for _, iface in pairs(content["interfaces"]) do
		table.insert(ifaces, iface["name"])
	end
end


local function render_section(style, title)
	%><div class="cbi-section" data-tab="<%=style%>" data-tab-title="<%=title%>"><%

	for _, iface in ipairs(ifaces) do
		%><p><img src="<%=url("admin/status/vnstat2/graph")%>?iface=<%=iface%>&amp;style=<%=style%>" alt="" style="max-width:100%" /></p><%
	end

	%></div><%
end


-%>

<%+header%>

<h2 name="content"><%:vnStat Graphs%></h2>

<div>
	<%
	if #ifaces == 0 then
		%><p><em><%:No monitored interfaces have been found. Go to the configuration to enable monitoring for one or more interfaces.%></em></p><%
	else
		render_section("s", translate("Summary"))
		render_section("t", translate("Top"))
		render_section("5", translate("5 Minute"))
		render_section("h", translate("Hourly"))
		render_section("d", translate("Daily"))
		render_section("m", translate("Monthly"))
		render_section("y", translate("Yearly"))
	end
	%>
</div>

<%+footer%>
