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

# ===== 本地调试启动脚本：后端 reload + 前端热更新 =====

ROOT_DIR="$(cd "$(dirname "$0")" && pwd)"
cd "$ROOT_DIR"

if [ -f "$ROOT_DIR/.env" ]; then
    set -a
    # 调试模式复用 Docker 部署的环境变量，尤其是 JWT 和敏感字段加密密钥。
    # shellcheck disable=SC1091
    source "$ROOT_DIR/.env"
    set +a
fi

BACKEND_HOST="${BACKEND_HOST:-0.0.0.0}"
BACKEND_PORT="${BACKEND_PORT:-8800}"
FRONTEND_HOST="${FRONTEND_HOST:-0.0.0.0}"
FRONTEND_PORT="${FRONTEND_PORT:-5174}"
LOG_LEVEL="${LOG_LEVEL:-DEBUG}"

BACKEND_PID=""
FRONTEND_PID=""

cleanup() {
    trap - EXIT INT TERM
    if [ -n "$FRONTEND_PID" ] && kill -0 "$FRONTEND_PID" 2>/dev/null; then
        kill "$FRONTEND_PID" 2>/dev/null || true
    fi
    if [ -n "$BACKEND_PID" ] && kill -0 "$BACKEND_PID" 2>/dev/null; then
        kill "$BACKEND_PID" 2>/dev/null || true
    fi
}

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

require_cmd uv
require_cmd npm

mkdir -p data logs

echo ""
echo "=============================="
echo "  本地调试模式"
echo "=============================="
echo "  后端: http://${BACKEND_HOST}:${BACKEND_PORT}"
echo "  前端: http://localhost:${FRONTEND_PORT}"
echo "  API 代理: http://127.0.0.1:${BACKEND_PORT}"
echo "  退出: Ctrl+C"
echo "=============================="
echo ""

trap cleanup EXIT INT TERM

LOG_LEVEL="$LOG_LEVEL" \
uv run uvicorn web.backend.main:app \
    --host "$BACKEND_HOST" \
    --port "$BACKEND_PORT" \
    --reload \
    --reload-dir core \
    --reload-dir utils \
    --reload-dir web/backend &
BACKEND_PID=$!

(
    cd web/frontend
    VITE_BACKEND_TARGET="http://127.0.0.1:${BACKEND_PORT}" \
    npm run dev -- --host "$FRONTEND_HOST" --port "$FRONTEND_PORT"
) &
FRONTEND_PID=$!

while true; do
    if ! kill -0 "$BACKEND_PID" 2>/dev/null; then
        wait "$BACKEND_PID"
        exit $?
    fi
    if ! kill -0 "$FRONTEND_PID" 2>/dev/null; then
        wait "$FRONTEND_PID"
        exit $?
    fi
    sleep 1
done