#!/usr/bin/env bash
set -euo pipefail

args=("$@")
scope="system"
if [[ "${args[0]:-}" == "--user" ]]; then
  scope="user"
  args=("${args[@]:1}")
fi
cmd="${args[0]:-}"

case "$cmd" in
  status) ;;
  is-active)
    echo "inactive" >&2
    exit 3
    ;;
  is-enabled)
    unit="${args[1]:-}"
    unit_path="$HOME/.config/systemd/user/${unit}"
    if [ -f "$unit_path" ]; then
      echo "enabled"
      exit 0
    fi
    echo "disabled" >&2
    exit 1
    ;;
  show)
    property=""
    for arg in "${args[@]:1}"; do
      case "$arg" in
        --property=*) property="${arg#--property=}" ;;
      esac
    done
    if [[ "$scope" == "system" && "$property" == "LoadState" ]]; then
      echo "not-found"
      exit 0
    fi
    if [[ "$scope" == "system" && "$property" == "UnitPath" ]]; then
      echo "/etc/systemd/system /usr/lib/systemd/system"
      exit 0
    fi
    printf "%s\n" \
      "ActiveState=inactive" \
      "SubState=dead" \
      "MainPID=0" \
      "ExecMainStatus=0" \
      "ExecMainCode=0"
    ;;
esac