#!/bin/bash

# 部署脚本 - 有声书项目
# 部署到 8.159.134.106:/data/ai
# 后端域名: bookapi.rrbrr.com
# 前端域名: book.rrbrr.com

set -e

REMOTE_HOST="8.159.134.106"
REMOTE_PATH="/data/ai"
LOCAL_PROJECT="c:/Users/caoyg/ai/audio-tts/audio_codebuddy"

echo "=== 开始部署有声书项目 ==="
echo "时间: $(date)"
echo "主机: $REMOTE_HOST"
echo "路径: $REMOTE_PATH"

# 1. 构建项目
echo ""
echo "=== 1. 构建项目 ==="
cd "$LOCAL_PROJECT/server"
npm run build
echo "后端构建完成"

cd "$LOCAL_PROJECT/my-uniapp-vue3"
npm run build:h5
echo "前端构建完成"

# 2. 同步文件到服务器
echo ""
echo "=== 2. 同步文件到服务器 ==="

# 创建临时目录
TEMP_DIR="/tmp/deploy_$(date +%Y%m%d_%H%M%S)"
ssh root@$REMOTE_HOST "mkdir -p $TEMP_DIR"

# 同步后端
echo "同步后端文件..."
rsync -azP --exclude='node_modules' --exclude='.git' --exclude='*.ts' --exclude='test-*.js' \
  "$LOCAL_PROJECT/server/" root@$REMOTE_HOST:"$TEMP_DIR/server/"

# 同步前端（dist 目录）
echo "同步前端文件..."
rsync -azP "$LOCAL_PROJECT/my-uniapp-vue3/dist/" root@$REMOTE_HOST:"$TEMP_DIR/frontend/"

# 3. 在服务器上执行部署
echo ""
echo "=== 3. 执行服务器部署 ==="
ssh root@$REMOTE_HOST << 'ENDSSH'
set -e
TEMP_DIR=$(ls -td /tmp/deploy_* | head -1)
REMOTE_PATH="/data/ai"
BACKUP_DIR="$REMOTE_PATH/backup_$(date +%Y%m%d_%H%M%S)"

echo "创建备份..."
mkdir -p $BACKUP_DIR
if [ -d "$REMOTE_PATH/server" ]; then
  cp -r $REMOTE_PATH/server $BACKUP_DIR/ 2>/dev/null || true
fi
if [ -d "$REMOTE_PATH/frontend" ]; then
  cp -r $REMOTE_PATH/frontend $BACKUP_DIR/ 2>/dev/null || true
fi

echo "移动新文件到目标目录..."
rm -rf $REMOTE_PATH/server $REMOTE_PATH/frontend
mv $TEMP_DIR/server $REMOTE_PATH/
mv $TEMP_DIR/frontend $REMOTE_PATH/

echo "安装后端依赖..."
cd $REMOTE_PATH/server
npm install --production

echo "生成 Prisma Client..."
npx prisma generate

echo "清理临时文件..."
rm -rf $TEMP_DIR

echo "部署完成!"
ENDSSH

# 4. 配置 Nginx
echo ""
echo "=== 4. 配置 Nginx ==="
ssh root@$REMOTE_HOST << 'ENDSSH'
# 后端 API 反向代理
cat > /etc/nginx/sites-available/book-api << 'EOF'
server {
    listen 80;
    server_name bookapi.rrbrr.com;

    location / {
        proxy_pass http://127.0.0.1:3000;
        proxy_http_version 1.1;
        proxy_set_header Upgrade $http_upgrade;
        proxy_set_header Connection 'upgrade';
        proxy_set_header Host $host;
        proxy_set_header X-Real-IP $remote_addr;
        proxy_set_header X-Forwarded-For $proxy_add_x_forwarded_for;
        proxy_set_header X-Forwarded-Proto $scheme;
        proxy_cache_bypass $http_upgrade;
    }
}
EOF

# 前端静态文件
cat > /etc/nginx/sites-available/book-frontend << 'EOF'
server {
    listen 80;
    server_name book.rrbrr.com;

    root /data/ai/frontend;
    index index.html;

    location / {
        try_files $uri $uri/ /index.html;
    }

    location ~* \.(js|css|png|jpg|jpeg|gif|ico|svg|woff|woff2|ttf|eot)$ {
        expires 1y;
        add_header Cache-Control "public, immutable";
    }
}
EOF

# 启用站点
ln -sf /etc/nginx/sites-available/book-api /etc/nginx/sites-enabled/
ln -sf /etc/nginx/sites-available/book-frontend /etc/nginx/sites-enabled/

# 移除默认站点
rm -f /etc/nginx/sites-enabled/default

# 测试 nginx 配置
nginx -t

# 重载 nginx
systemctl reload nginx

echo "Nginx 配置完成!"
ENDSSH

# 5. 启动后端服务
echo ""
echo "=== 5. 启动后端服务 ==="
ssh root@$REMOTE_HOST << 'ENDSSH'
cd /data/ai/server

# 使用 PM2 管理进程
if ! command -v pm2 &> /dev/null; then
    echo "安装 PM2..."
    npm install -g pm2
fi

# 停止旧服务
pm2 delete server 2>/dev/null || true

# 启动服务
pm2 start dist/app.js --name server

# 保存并设置开机启动
pm2 save
pm2 startup

echo "后端服务已启动!"
ENDSSH

echo ""
echo "=== 部署完成 ==="
echo "后端地址: http://bookapi.rrbrr.com"
echo "前端地址: http://book.rrbrr.com"
echo "后端 API: http://bookapi.rrbrr.com/api"