#!/usr/bin/env bash

set -Eeuo pipefail

SCRIPT_DIR="$(cd "$(dirname "${BASH_SOURCE[0]}")" && pwd)"
PROJECT_ROOT="$(cd "${SCRIPT_DIR}/.." && pwd)"
BACKEND_DIR="${PROJECT_ROOT}/backend/api"
FRONTEND_DIR="${PROJECT_ROOT}/frontend/platform_admin"

BACKEND_PID=""
FRONTEND_PID=""
CLEANED_UP=0
RUNTIME_CONFIG_ROOT=""

cleanup() {
  if [[ "${CLEANED_UP}" -eq 1 ]]; then
    return
  fi
  CLEANED_UP=1

  trap - EXIT INT TERM
  for pid in "${BACKEND_PID}" "${FRONTEND_PID}"; do
    if [[ -n "${pid}" ]] && kill -0 "${pid}" 2>/dev/null; then
      kill "${pid}" 2>/dev/null || true
    fi
  done
  for pid in "${BACKEND_PID}" "${FRONTEND_PID}"; do
    if [[ -n "${pid}" ]]; then
      wait "${pid}" 2>/dev/null || true
    fi
  done
  if [[ -n "${RUNTIME_CONFIG_ROOT}" ]]; then
    rm -f "${RUNTIME_CONFIG_ROOT}/etc/heqi_dev.yaml"
    rmdir "${RUNTIME_CONFIG_ROOT}/etc" "${RUNTIME_CONFIG_ROOT}" 2>/dev/null || true
  fi
}

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

require_command go
require_command pnpm

if [[ ! -d "${FRONTEND_DIR}/node_modules" ]]; then
  echo "前端依赖尚未安装，请先运行：cd ${FRONTEND_DIR} && pnpm install" >&2
  exit 1
fi

export BSM_RuntimeMode="${BSM_RuntimeMode:-dev}"
export BSM_JwtSecretKey="${BSM_JwtSecretKey:-local-dev-key-16}"
export VITE_API_BASE_URL="${VITE_API_BASE_URL:-http://localhost:12426/heqi/platform/v1}"

if [[ -z "${BSM_Prefix:-}" ]]; then
  RUNTIME_CONFIG_ROOT="$(mktemp -d "${TMPDIR:-/tmp}/heqi-platform.XXXXXX")"
  mkdir -p "${RUNTIME_CONFIG_ROOT}/etc"
  cp "${BACKEND_DIR}/etc/platform_dev.yaml" "${RUNTIME_CONFIG_ROOT}/etc/heqi_dev.yaml"
  export BSM_Prefix="${RUNTIME_CONFIG_ROOT}"
fi

trap cleanup EXIT INT TERM

echo "启动平台后端：http://localhost:12426/heqi/platform/v1"
(
  cd "${BACKEND_DIR}"
  exec go run ./cmd/main/main.go
) &
BACKEND_PID=$!

echo "启动平台前端：http://localhost:5173"
(
  cd "${FRONTEND_DIR}"
  exec pnpm exec vite --config ./config/vite.config.ts --host 0.0.0.0
) &
FRONTEND_PID=$!

echo "前后端调试服务已启动，按 Ctrl+C 同时停止。"

while true; do
  if ! kill -0 "${BACKEND_PID}" 2>/dev/null; then
    status=0
    wait "${BACKEND_PID}" || status=$?
    echo "平台后端已退出（状态码：${status}），正在停止前端。" >&2
    exit "${status}"
  fi
  if ! kill -0 "${FRONTEND_PID}" 2>/dev/null; then
    status=0
    wait "${FRONTEND_PID}" || status=$?
    echo "平台前端已退出（状态码：${status}），正在停止后端。" >&2
    exit "${status}"
  fi
  sleep 1
done