# gazebo bash completion

shopt -s extglob

function _gz
{
  local prev cur cmd opts
  local gz="$1"
  COMPREPLY=()
  cur="$2"
  prev="$3"

  # searching for the command
  for ((i=1; $i<=$COMP_CWORD; i++)); do
	  if [[ ${COMP_WORDS[i]} != -* ]]; then
		  cmd="${COMP_WORDS[i]}"
      break
    fi
  done

  if [[ "$cur" == -* ]] || [[ "$prev" != "gz" ]]; then

    if [[ "$cmd" == "topic" ]]; then
      case ${prev} in
        -e|--echo|-i|--info|-v|--view|-z|--hz|-b|--bw)
          opts=`gz topic -l 2>/dev/null`
          COMPREPLY=($(compgen -W "$opts" -- ${cur}))
          return
          ;;
      esac;
    elif [[ "$cmd" == "camera" ]]; then
      case ${prev} in
        -c|--camera-name)
          opts=`gz camera -l 2>/dev/null`
          COMPREPLY=($(compgen -W "$opts" -- ${cur}))
          return
          ;;
      esac;
    fi

    if [[ "$cmd" == "help" ]]; then
      opts=`gz debug`
    elif [[ "$cur" == -* ]]; then
      opts=`gz debug -o "$cmd"`
    else
      COMPREPLY=($(compgen -f  -- "${COMP_WORDS[${COMP_CWORD}]}" ))
      complete -o filenames -o nospace -F "_gz" "gz"
      return
    fi

  else
    opts=`gz debug`
  fi

  COMPREPLY=($(compgen -W "${opts}" -- ${cur}))
}
complete  -F "_gz" "gz"