#!/usr/bin/env bash
[[ " events events:on events:off events:list help events:help " == *" $1 "* ]] || exit $DOKKU_NOT_IMPLEMENTED_EXIT
set -eo pipefail; [[ $DOKKU_TRACE ]] && set -x
source "$PLUGIN_CORE_AVAILABLE_PATH/common/functions"

case "$1" in
  events)
    if [[ -f $DOKKU_EVENTS_LOGFILE ]]; then
      if [[ $2 == "-t" ]]; then
        tail -f $DOKKU_EVENTS_LOGFILE
      else
        tail -n 100 $DOKKU_EVENTS_LOGFILE
      fi
    fi
    ;;

  events:on)
    echo "Enabling dokku events logger"
    [[ -d $DOKKU_ROOT/.dokkurc ]] || mkdir -p $DOKKU_ROOT/.dokkurc
    echo "export DOKKU_EVENTS=1" > $DOKKU_ROOT/.dokkurc/DOKKU_EVENTS
    ;;

  events:off)
    echo "Disabling dokku events logger"
    rm -f $DOKKU_ROOT/.dokkurc/DOKKU_EVENTS
    ;;

  events:list)
    PLUGIN_DIR="$(dirname $0)"
    if [[ "$DOKKU_EVENTS" ]]; then
      logged="$(find $PLUGIN_DIR -type l -printf '%f ' | sort)"
      dokku_col_log_info2_quiet "Events currently logged"
      for hook in $logged; do
        dokku_col_log_msg "$hook"
      done
    else
      dokku_log_warn "Events logger disabled"
    fi
    ;;

  help | events:help)
    cat && cat<<EOF
    events [-t], Show the last events (-t follows)
    events:list, List logged events
    events:on, Enable events logger
    events:off, Disable events logger
EOF
    ;;

  *)
    exit $DOKKU_NOT_IMPLEMENTED_EXIT
    ;;

esac