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#!/bin/sh

if [ "x" = "x${DBUS_SESSION_BUS_ADDRESS}" ]; then
	DBUS_SESSION_BUS_ADDRESS:=unix:path=/run/user/$UID/bus
fi

pretty() {
	sed \
		-e '/^method return .*/d' \
		-e 's/^Error org.freedesktop.DBus.Error.Failed: "\?\(.*\)"\?$/ERROR: \1/' \
		-e 's/^   string "\(.*\)"/\1/' \
		-e 's/},/&\n/'
}

send() {
	dbus-send --session --print-reply \
		--dest=org.AGL.afm.user \
		/org/AGL/afm/user \
		org.AGL.afm.user.$1 \
		"string:$2" |
	pretty
}

case "$1" in

  list|runnables)
    send runnables true
    ;;

  add|install)
    f=$(realpath $2)
    send install '{"wgt":"'"$f"'","force":true}'
    ;;

  remove|uninstall)
    i=$2
    send uninstall "\"$i\""
    ;;

  info|detail)
    i=$2
    send detail "\"$i\""
    ;;

  ps|runners)
    send runners true
    ;;

  run|start)
    i=$2
    send start "\"$i\""
    ;;

  terminate|kill)
    i=$2
    send terminate "$i"
    ;;

  stop|pause)
    i=$2
    send stop "$i"
    ;;

  resume|continue)
    i=$2
    send continue "$i"
    ;;

  state|status)
    i=$2
    send state "$i"
    ;;

  -h|--help|help)
    cat << EOC
usage: $(basename $0) command [arg]

The commands are:

  list
  runnables      list the runnable widgets installed

  add wgt
  install wgt    install the wgt file

  remove id
  uninstall id   remove the installed widget of id

  info id
  detail id      print detail about the installed widget of id

  ps
  runners        list the running instance

  run id
  start id       start an instance of the widget of id

  kill rid
  terminate rid       terminate the running instance rid

  stop rid
  pause rid      stop the running instance rid

  resume rid
  continue rid   continue the previously rid

  status rid
  state rid     get status of the running instance rid

EOC
    ;;

  *)
    echo "unknown command $1" >&2
    exit 1
    ;;
esac