. /lib/functions/fff/wireless

configure() {
	# get parameters
	essid=$(uci -q get gateway.@client[0].essid)
	chan2ghz=$(uci -q get gateway.@client[0].chan2ghz)
	chan5ghz=$(uci -q get gateway.@client[0].chan5ghz)
	width2ghz=$(uci -q get gateway.@client[0].width2ghz || echo 20)
	width5ghz=$(uci -q get gateway.@client[0].width5ghz || echo 20)

	if [ "$width2ghz" != 20 ] && [ "$width2ghz" != 40 ]; then
		echo "ERROR: Invalid 2.4 GHz channel width: $width2ghz. Only 20 and 40 MHz are possible."
		return 1
	fi

	if [ "$width5ghz" != 20 ] && [ "$width5ghz" != 40 ] && [ "$width5ghz" != 80 ]; then
		echo "ERROR: Invalid 5 GHz channel width: $width5ghz. Only 20, 40 and 80 MHz are possible."
		return 1
	fi

	if [ "$width2ghz" == 40 ]; then
		echo "WARNING: Using 40 MHz channel width on 2.4 GHz is highly discouraged and will probably result in worse throughput"
	fi

	if [ -z "$essid" ]; then
		echo "WARNING: No ESSID set! WiFi AP is disabled"
	fi

	for radio in $(wifiListRadio); do
		freq="$(wifiGetFreq $radio)"
		disabled=1

		# Delete wXmesh, wXconfigap
		uci -q del wireless.w${freq}mesh
		uci -q del wireless.w${freq}configap

		# Get htmode
		ht=$(uci -q get wireless.${radio}.htmode)

		if [ -n "$essid" ]; then
			# set channel and bandwidth for 5ghz
			if [ "$freq" = "5" ]; then
				if ! echo "$ht" | grep -q VHT && [ "$width5ghz" == 80 ]; then
					echo "ERROR: 5 GHz radio does not support 80 MHz channel width"
					return 1
				fi

				if [ -z "$chan5ghz" ]; then
					echo "WARNING: No 5 GHz channel set! Disabling AP on $radio"
				else
					uci set wireless.${radio}.channel="$chan5ghz"
					uci set wireless.${radio}.htmode="${ht%%HT*}HT${width5ghz}"
					disabled=0
				fi
			fi

			# set channel and bandwidth for 2.4ghz
			if [ "$freq" = "2" ]; then
				if [ -z "$chan2ghz" ]; then
					echo "WARNING: No 2.4 GHz channel set! Disabling AP on $radio"
				else
					uci set wireless.${radio}.channel="$chan2ghz"
					uci set wireless.${radio}.htmode="${ht%%HT*}HT${width2ghz}"
					disabled=0
				fi
			fi

			# set essid
			uci set wireless.w${freq}ap.ssid="$essid"
		fi

		# enable or disable ap interface appropriately. The radios 'disabled'-option is not touched
		uci set wireless.w${freq}ap.disabled="$disabled"
	done
}

apply() {
	uci -q commit wireless
	return 0
}

revert() {
	uci -q revert wireless
	return 0
}