#!/usr/bin/env bash

set -Eeuo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
OUTPUT_ROOT="${PROJECT_ROOT}/output"

require_command() {
  local command_name="$1"

  if ! command -v "${command_name}" >/dev/null 2>&1; then
    echo "缺少命令：${command_name}" >&2
    exit 1
  fi
}

build_project() {
  local project_name="$1"
  local project_dir="$2"
  local package_manager="$3"
  local build_output_dir="$4"
  local output_name="$5"
  local target_dir="${OUTPUT_ROOT}/${output_name}"

  if [[ ! -f "${project_dir}/package.json" ]]; then
    echo "未找到 ${project_name} 的 package.json：${project_dir}" >&2
    exit 1
  fi

  echo
  echo "开始构建：${project_name}"
  (
    cd "${project_dir}"
    case "${package_manager}" in
      pnpm)
        pnpm i
        pnpm build
        ;;
      npm)
        npm i
        npm run build
        ;;
      *)
        echo "不支持的包管理器：${package_manager}" >&2
        exit 1
        ;;
    esac
  )
  echo "构建完成：${project_name}"

  if [[ ! -d "${project_dir}/${build_output_dir}" ]]; then
    echo "${project_name} 构建产物不存在：${project_dir}/${build_output_dir}" >&2
    exit 1
  fi

  if [[ "${target_dir}" != "${OUTPUT_ROOT}/"* ]]; then
    echo "拒绝清理非预期输出目录：${target_dir}" >&2
    exit 1
  fi

  rm -rf "${target_dir}"
  mkdir -p "${target_dir}"
  cp -R "${project_dir}/${build_output_dir}/." "${target_dir}/"
  echo "产物已汇总：${target_dir}"
}

require_command pnpm
require_command npm

mkdir -p "${OUTPUT_ROOT}"

build_project \
  "平台总后台" \
  "${PROJECT_ROOT}/frontend/platform_admin" \
  pnpm \
  dist \
  platform
build_project \
  "气站管理后台" \
  "${PROJECT_ROOT}/frontend/gas_admin" \
  pnpm \
  dist \
  gas
build_project \
  "配送点管理后台" \
  "${PROJECT_ROOT}/frontend/delivery_admin" \
  pnpm \
  dist \
  delivery
build_project \
  "和气门户首页" \
  "${PROJECT_ROOT}/frontend/site" \
  npm \
  dist/client \
  site

echo
echo "四个前端项目全部构建完成，产物目录：${OUTPUT_ROOT}"