<%#
Copyright 2017-2018 Dirk Brenken (dev@brenken.org)
This is free software, licensed under the Apache License, Version 2.0
-%>

<%-
	local sys   = require("luci.sys")
	local utl   = require("luci.util")
	local dev   = luci.http.formvalue("device")
	local iw    = luci.sys.wifi.getiwinfo(dev)
	local label = {translate("WPA"), translate("WPA2"), translate("WPA/WPA2")}

	if not iw then
		luci.http.redirect(luci.dispatcher.build_url("admin/services/travelmate/stations"))
	end

	function format_wifi_encryption(info)
		if info.wep == true then
			return translate("WEP")
		elseif info.wpa > 0 then
			return "%s (%s/%s)" %{label[info.wpa] or translate("Unknown"), table.concat(info.auth_suites), table.concat(info.group_ciphers)}
		elseif info.enabled then
			return translate("Unknown")
		else
			return translate("Open")
		end
	end

	function percent_wifi_signal(info)
		local qc = info.quality or 0
		local qm = info.quality_max or 0
		if info.bssid and qc > 0 and qm > 0 then
			return math.floor((100 / qm) * qc)
		else
			return 0
		end
	end
-%>

<%+header%>

<div class="cbi-map">
	<h3><%:Wireless Scan%></h3>
	<div class="cbi-section">
		<div class="table cbi-section-table">
			<div class="tr cbi-section-table-titles">
				<div class="th left"><%:Uplink SSID%></div>
				<div class="th left"><%:Uplink BSSID%></div>
				<div class="th left"><%:Encryption%></div>
				<div class="th left"><%:Signal strength%></div>
				<div class="th center"><%:Action%></div>
			</div>
			<%- for i, net in ipairs(iw.scanlist or { }) do -%>
			<div class="tr cbi-section-table-row cbi-rowstyle-1">
				<div class="td left">
					<%=net.ssid and utl.pcdata(net.ssid) or "<em>%s</em>" % translate("hidden")%>
				</div>
				<div class="td left">
					<%=net.bssid and utl.pcdata(net.bssid)%>
				</div>
				<div class="td left">
					<%=format_wifi_encryption(net.encryption)%>
				</div>
				<div class="td left">
					<%=percent_wifi_signal(net)%> %
				</div>
				<div class="td cbi-section-actions">
					<form class="inline" action="<%=luci.dispatcher.build_url('admin/services/travelmate/wifiadd')%>" method="post">
						<input type="hidden" name="token" value="<%=token%>"/>
						<input type="hidden" name="device" value="<%=utl.pcdata(dev)%>"/>
						<input type="hidden" name="ssid" value="<%=utl.pcdata(net.ssid)%>"/>
						<input type="hidden" name="bssid" value="<%=utl.pcdata(net.bssid)%>"/>
						<input type="hidden" name="wep" value="<%=net.encryption.wep and 1 or 0%>"/>
						<%- if net.encryption.wpa then -%>
							<input type="hidden" name="wpa_version" value="<%=net.encryption.wpa%>"/>
							<%- for _, v in ipairs(net.encryption.auth_suites) do -%>
								<input type="hidden" name="wpa_suites" value="<%=v%>"/>
							<%- end -%>
						<%- end -%>
						<input class="cbi-button cbi-button-apply" type="submit" value="<%:Add Uplink%>"/>
					</form>
				</div>
			</div>
			<%- end -%>
		</div>
	</div>
	<div class="cbi-page-actions right">
		<form class="inline" action="<%=luci.dispatcher.build_url('admin/services/travelmate/stations')%>" method="get">
			<input class="cbi-button cbi-button-reset" type="submit" value="<%:Back to overview%>"/>
		</form>
		<form class="inline" action="<%=luci.dispatcher.build_url('admin/services/travelmate/wifiscan')%>" method="post">
			<input type="hidden" name="token" value="<%=token%>"/>
			<input type="hidden" name="device" value="<%=utl.pcdata(dev)%>"/>
			<input class="cbi-button cbi-input-find" type="submit" value="<%:Repeat scan%>"/>
		</form>
	</div>
</div>

<%+footer%>
