#!/bin/bash

HELP=$(cat <<'EOF'
Missing required args:

-i - ID
-w - Watching path
EOF
)

POETRY=$(which poetry)

if [ -z $POETRY ]; then
  echo "You need Poetry to be installed"
  exit 1
fi

while getopts ":i:w:" opt; do
  case $opt in
    i) ID="$OPTARG"
    ;;
    w) WATCH_DIR="$OPTARG"
    ;;
    \?) echo "Invalid option -$OPTARG" >&2
    exit 1
    ;;
  esac

  case $OPTARG in
    -*) echo "Option $opt needs a valid argument"
    exit 1
    ;;
  esac
done

if [ -z $WATCH_DIR ]; then
  echo "$HELP"
  exit -1
fi

printf "WATCH_DIR = %s\n" "$WATCH_DIR"

FNAME="git-pusher-$ID.service"
SERVICEPATH="$HOME/.config/systemd/user/"
mkdir -p "$SERVICEPATH"
SERVICEFILE="$SERVICEPATH/$FNAME"

echo "FNAME = $FNAME"
echo "SERVICEFILE = $SERVICEFILE"

if [ -f $SERVICEFILE ]; then
  echo "Disabling current service..."
  systemctl --user stop $FNAME
  systemctl --user disable $FNAME
  systemctl --user daemon-reload
  sudo rm $SERVICEFILE
fi

echo "Preparing"

poetry lock
poetry install

echo "Creating service file..."

touch "$SERVICEFILE"
cat git-pusher.service | sed 's?<DIR>?'`pwd`'?' | sed 's?<WATCH_DIR>?'$WATCH_DIR'?' | sed 's?<POETRY>?'$POETRY'?' | tee -a "$SERVICEFILE" > /dev/null

echo "Reloading daemons..."

systemctl --user daemon-reload

echo "Enabling daemon for user..."

systemctl --user enable $FNAME

echo "Starting daemon for user..."

systemctl --user start $FNAME