#!/bin/bash

dev=/dev/serial/by-id/usb-FTDI_FT232R_USB_UART_A500DA2H-if00-port0
rundir=$(realpath $(dirname $0))
session="tic2mqtt"

cmd=""
quiet=""

cd $rundir

while [ $# -gt 0 ]; do
    case "$1" in
      start)   cmd=$1;;
      stop)    cmd=$1;;
      restart) cmd=$1;;
      status)  cmd=$1;;
      log)     cmd=$1;;
      -q)      quiet=$1;;
      --quiet) quiet=$1;;
      *)       echo "usage: $0 [start|stop|restart|status|log] [-q|--quiet]"
               exit 1
               ;;
    esac
    shift
done

is_running=$(tmux has -t $session 2> /dev/null && echo yes)

case "$cmd" in
    start)
        if [ -n "$is_running" ]; then
            echo "tic2mqtt already running. aborting"
            exit 1
        fi
        make -s
        test -z $quiet && echo "starting tic2mqtt"
        tmux new -s $session -d "./tic2mqtt -a -t $dev -h doctor -v"
        test -z $quiet && tmux ls
        ;;
    stop)
        if [ ! -n "$is_running" ]; then
            test -z $quiet && echo "no tic2mqtt running. nothing to stop"
            exit 0
        fi
        test -z $quiet && echo "killing tic2mqtt"
        tmux kill-session -t $session
        ;;
    restart)
        $0 $quiet stop
        $0 $quiet start
        ;;
    status)
        if [ -n "$is_running" ]; then
            tmux ls | grep $session
        else
            echo "no tic2mqtt running"
        fi
        ;;
    log)
        if [ -n "$is_running" ]; then
            tmp=$(mktemp)
            tmux capture -b $session -p -S - >$tmp
            if [ $(cat $tmp |wc -l) -gt 30 ]; then
                head -10 $tmp
                echo
                echo "[...]"
                echo
                tail -20 $tmp
            else
                cat $tmp
            fi
            rm -f $tmp
        else
            echo "no tic2mqtt running"
        fi
        ;;
    *)
        echo "usage: $0 [start|stop]"
        ;;
esac