#!/bin/bash

set -euo pipefail

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

ENV_FILE="${ENV_FILE:-$BASE_DIR/.env.local}"
HOST="${HOST:-127.0.0.1}"
PORT="${PORT:-8000}"
APP_MODULE="${APP_MODULE:-app.main:app}"
VENV_DIR="${VENV_DIR:-$BASE_DIR/venv}"
UVICORN_BIN="${UVICORN_BIN:-$VENV_DIR/bin/uvicorn}"

if [ ! -f "$ENV_FILE" ]; then
  echo "[ERROR] 本地环境文件不存在: $ENV_FILE"
  echo "请先创建并填写 backend/.env.local"
  exit 1
fi

if [ ! -x "$UVICORN_BIN" ]; then
  echo "[ERROR] 未找到 uvicorn: $UVICORN_BIN"
  echo "请先创建虚拟环境并安装依赖:"
  echo "  python3 -m venv venv"
  echo "  source venv/bin/activate"
  echo "  pip install -r requirements.txt"
  exit 1
fi

echo "[INFO] 启动本地开发服务"
echo "[INFO] ENV_FILE=$ENV_FILE"
echo "[INFO] URL=http://$HOST:$PORT"

ENV_FILE="$ENV_FILE" "$UVICORN_BIN" "$APP_MODULE" --host "$HOST" --port "$PORT" --reload --log-level debug