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

ubuntu_dir() {
  cd -- "$(dirname -- "${BASH_SOURCE[0]}")/.." && pwd
}
repo_root() {
  cd -- "$(ubuntu_dir)/../.." && pwd
}

compose_file() {
  printf '%s/compose.yaml\n' "$(ubuntu_dir)"
}

require_command() {
  command -v "$1" >/dev/null 2>&1 || {
    printf '缺少命令：%s\n' "$1" >&2
    exit 1
  }
}

require_env_file() {
  local file="$1"
  [[ -f "$file" ]] || {
    printf '环境文件不存在：%s\n' "$file" >&2
    exit 1
  }
  local mode
  mode="$(stat -c '%a' "$file")"
  if [[ "$mode" != '600' && "$mode" != '400' ]]; then
    printf '环境文件权限必须是 600 或 400，当前为 %s：%s\n' "$mode" "$file" >&2
    exit 1
  fi
}

env_value() {
  local file="$1"
  local key="$2"
  sed -n "s/^${key}=//p" "$file" | tail -n 1
}

compose() {
  local env_file="$1"
  shift
  docker compose --project-directory "$(ubuntu_dir)" --env-file "$env_file" -f "$(compose_file)" "$@"
}