#!/usr/bin/env bash
# Wrapper to run docker compose with the caller's UID/GID so generated files stay writable.
set -euo pipefail

if ! command -v docker >/dev/null 2>&1; then
  echo "Error: docker is not installed or not on PATH." >&2
  exit 1
fi

if docker compose version >/dev/null 2>&1; then
  COMPOSE_CMD=(docker compose)
elif command -v docker-compose >/dev/null 2>&1; then
  COMPOSE_CMD=(docker-compose)
else
  echo "Error: docker compose plugin or docker-compose binary is required." >&2
  exit 1
fi

CALLER_UID=$(id -u)
CALLER_GID=$(id -g)

detect_timezone() {
  if command -v timedatectl >/dev/null 2>&1; then
    local tz
    tz=$(timedatectl show --property=Timezone --value 2>/dev/null)
    if [ -n "${tz}" ]; then
      printf '%s\n' "${tz}"
      return 0
    fi
  fi

  if [ -f /etc/timezone ]; then
    local tz
    tz=$(cat /etc/timezone 2>/dev/null)
    if [ -n "${tz}" ]; then
      printf '%s\n' "${tz}"
      return 0
    fi
  fi

  if command -v readlink >/dev/null 2>&1; then
    local link
    link=$(readlink -f /etc/localtime 2>/dev/null || true)
    if [ -n "${link}" ] && [[ "${link}" == *zoneinfo/* ]]; then
      printf '%s\n' "${link##*/zoneinfo/}"
      return 0
    fi
  fi

  printf '%s\n' ""
}

HOST_TZ=$(detect_timezone)

SCRIPT_DIR=$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)

# Run docker compose from the Docker directory so it picks up the bundled yaml.
(
  cd "${SCRIPT_DIR}"
  LOCAL_UID="${CALLER_UID}" LOCAL_GID="${CALLER_GID}" HOST_TZ="${HOST_TZ:-UTC}" "${COMPOSE_CMD[@]}" "$@"
)