#!/bin/bash
# SPDX-License-Identifier: Apache-2.0
# Copyright (C) 2020 Fewtarius (https://github.com/fewtarius)

. /etc/profile

COMMAND="$1"

### ES won't save the configuration in time
### for it to be useable by the script, so
### we have to accept the ssid and key on the
### command line too.

if [ ! -z "${2}" ]
then
  SSID="${2}"
else
  SSID="$(get_setting wifi.ssid)" 2>/dev/null
fi

if [ ! -z "${3}" ]
then
  PSK="${3}"
else
  PSK="$(get_setting wifi.key)" 2>/dev/null
fi

WIFICFG="/storage/.cache/connman/wifi.config"

set_powersave() {
  ENABLED=$(get_setting wifi.powersave)
  if [ "${ENABLED}" = "1" ]
  then
    iw wlan0 set power_save on
  else
    iw wlan0 set power_save off
  fi
}

set_wifi() {
  case "${1}" in
    "enable")
      set_setting wifi.enabled 1
      # Create the WIFI config.
      cat > "${WIFICFG}" <<EOF
[global]
Name=${OS_NAME}

[service_${OS_NAME}_default]
Type=wifi
Name=${SSID}
Passphrase=${PSK}
EOF

      connmanctl enable wifi 2>/dev/null
      set_powersave 2>/dev/null
      connmanctl scan wifi 2>/dev/null
    ;;
    "disable")
      connmanctl disable wifi 2>/dev/null
      rm -f "${WIFICFG}" 2>/dev/null
      set_setting wifi.enabled 0
    ;;
    "list")
      connmanctl services | cut -b 5- | awk '/wifi/ {sub(/\s+wifi_.*$/,"",$0);print}' | sort | uniq
    ;;
    "scan")
      connmanctl scan 2>/dev/null
    ;;
    "scanlist")
      set_wifi scan 2>/dev/null
      set_wifi list 2>/dev/null
    ;;
    "setpowersave")
      set_powersave 2>/dev/null
    ;;
  esac
}

if [ ! -d "" ]
then
  mkdir -p "/storage/.cache/connman"
fi

set_wifi ${COMMAND}