#!/bin/sh

set -e

while [ $# -gt 0 ] ; do
  case "$1" in
    "--newline")
      newline=1
    ;;
    "--unit")
      unitsymbol="%"
    ;;
    "--no-value")
      no_value=1
    ;;
    "--socket")
      _pipe_dir="${XDG_RUNTIME_DIR:-/tmp/$(id -u)-runtime}/acejuice"
      mkdir -p "$_pipe_dir"
      NPIPE_OUT="$_pipe_dir/main.sock"
      unset _pipe_dir
      if ! mkfifo "$NPIPE_OUT" 2> /dev/null; then
        printf "fifo '%s' already present\n" "$NPIPE_OUT" >&2
      fi
    ;;
    "--icon")
      case $2 in
        "ascii"|""|"--"*)
          case "$2" in
              "--"*|"")
                : # skip if it's a parameter or is empty
              ;;
              *)
                shift
              ;;
          esac
          iconize=1
          iconlvl0="[----]"
          iconlvl1="[#---]"
          iconlvl2="[##--]"
          iconlvl3="[###-]"
          iconlvl4="[####]"
        ;;
        "nerd")
          shift
          iconize=1
          icon_nerd=1
          iconlvl0=
          iconlvl1=
          iconlvl2=
          iconlvl3=
          iconmute=
        ;;
        *)
          printf "Icon coding not supported. Aborting...\n"
          exit 1
        ;;
      esac
    ;;
    "--icon-mute")
      iconize_mute=1
    ;;
    *)
      printf "Parameter not recognized. Aborting...\n"
      exit 1
    ;;
  esac
  shift
done

DEFAULT_SINK_NAME=""
DEFAULT_SOURCE_NAME=""

lvl=""

__lvlbar(){
  if [ "$iconize_mute" = 1 ] && [ "$2" = "muted" ]; then
    icon="$iconmute"
  else
    if [ "$icon_nerd" = 1 ]; then
      if [ "$1" -le 0 ]; then
        icon="${iconlvl0}"
      elif [ "$1" -le 30 ]; then
        icon="${iconlvl1}"
      elif [ "$1" -le 85 ]; then
        icon="${iconlvl2}"
      elif [ "$1" -le 100 ]; then
        icon="${iconlvl3}"
      else
        icon="${iconlvl4}"
      fi
    else
      if [ "$1" -le 5 ]; then
        icon="${iconlvl0}"
      elif [ "$1" -le 15 ]; then
        icon="${iconlvl0}"
      elif [ "$1" -le 35 ]; then
        icon="${iconlvl1}"
      elif [ "$1" -le 65 ]; then
        icon="${iconlvl2}"
      elif [ "$1" -le 97 ]; then
        icon="${iconlvl3}"
      else
        icon="${iconlvl4}"
      fi
    fi
  fi
}

__send(){
  case $1 in
    DEFAULT_SINK_NAME)
      DEFAULT_SINK_NAME="$2"
    ;;
    DEFAULT_SOURCE_NAME)
      DEFAULT_SOURCE_NAME="$2"
    ;;
    SINKVOL)
      [ "$no_value" = 1 ] && : || lvl=$3
      [ "$iconize" = 1 ] && __lvlbar "$3" "$2" || :
    ;;
    *)
      :
    ;;
  esac

  if [ -n "$NPIPE_OUT" ]; then
    printf ":SET audi %b%s%s%s%s%b%s" "${color}" "${icon}" "${status}" "${lvl}" "${unitsymbol}" "${colend}${colbgend}" "${sep}" > "$NPIPE_OUT"
  else
    printf ":SET audi %b%s%s%s%s%b%s" "${color}" "${icon}" "${status}" "${lvl}" "${unitsymbol}" "${colend}${colbgend}" "${sep}"
  fi

  if [ "$newline" = 1 ]; then
    if [ -n "$NPIPE_OUT" ]; then
      printf "\n" > "$NPIPE_OUT"
    else
      printf "\n"
    fi
  fi

}

if [ -t 0 ]; then
  _pipe_dir="${XDG_RUNTIME_DIR:-/tmp/$(id -u)-runtime}/acejuice"
  mkdir -p "$_pipe_dir"
  NPIPE_IN="$_pipe_dir/acejuice-pulse.sock"
  unset _pipe_dir

  if ! mkfifo "$NPIPE_IN" 2> /dev/null; then
    printf "fifo '%s' already present\n" "$NPIPE_IN" >&2
  fi
  while read -r line ; do
    __send $line
  done < "$NPIPE_IN"
else
  while read -r line ; do
    __send $line
  done
fi