#!/bin/bash
# 云端最小回调壳部署脚本
# 用途：在备案域名服务器上部署最小可用回调壳

set -e

echo "=== 企业微信 AI 助手 - 最小回调壳部署 ==="
echo ""

# 检查环境变量
if [ -z "$DOMAIN" ]; then
    echo "错误: 未设置 DOMAIN 环境变量"
    echo "请设置: export DOMAIN=your-domain.com"
    exit 1
fi

if [ ! -f ".env" ]; then
    echo "错误: 未找到 .env 文件"
    echo "请复制 .env.example 并填写必需变量"
    exit 1
fi

# 检查必需的环境变量
source .env
required_vars=("WECOM_TOKEN" "WECOM_ENCODING_AES_KEY" "WECOM_CORP_ID" "WECOM_AGENT_ID")
for var in "${required_vars[@]}"; do
    if [ -z "${!var}" ]; then
        echo "错误: 未设置 $var 环境变量"
        exit 1
    fi
done

echo "[1/5] 检查 Docker 环境..."
if ! command -v docker &> /dev/null; then
    echo "错误: Docker 未安装"
    exit 1
fi

if ! command -v docker-compose &> /dev/null; then
    echo "错误: docker-compose 未安装"
    exit 1
fi

echo "✓ Docker 环境正常"
echo ""

echo "[2/5] 构建后端镜像..."
docker-compose build backend
echo "✓ 构建完成"
echo ""

echo "[3/5] 启动服务（最小回调壳：backend + nginx）..."
docker-compose up -d backend nginx
echo "✓ 服务已启动"
echo ""

echo "[4/5] 等待服务就绪..."
sleep 5

# 检查健康检查
max_retries=30
retry_count=0
while [ $retry_count -lt $max_retries ]; do
    if curl -f -s http://localhost:8000/health > /dev/null 2>&1; then
        echo "✓ 后端服务健康检查通过"
        break
    fi
    retry_count=$((retry_count + 1))
    echo "等待后端服务启动... ($retry_count/$max_retries)"
    sleep 2
done

if [ $retry_count -eq $max_retries ]; then
    echo "警告: 后端服务健康检查超时"
    echo "请检查日志: docker-compose logs backend"
fi
echo ""

echo "[5/5] 部署完成！"
echo ""
echo "=== 下一步 ==="
echo "1. 配置企业微信回调 URL: https://$DOMAIN/api/wecom/callback"
echo "2. Token: $WECOM_TOKEN"
echo "3. EncodingAESKey: $WECOM_ENCODING_AES_KEY"
echo ""
echo "查看日志: docker-compose logs -f backend"
echo "检查服务: docker-compose ps"
echo ""