#!/bin/bash
set -e

DEPLOY_DIR="/home/novalon/docker-app/novalon-website"
BACKUP_DIR="/home/novalon/backups/novalon-website"
TIMESTAMP=$(date +%Y%m%d_%H%M%S)

echo "=========================================="
echo "Novalon Website 部署脚本"
echo "时间: $(date)"
echo "=========================================="

cd $DEPLOY_DIR

echo ""
echo "=== Step 1: 备份当前版本 ==="
mkdir -p $BACKUP_DIR
if [ -d "dist" ]; then
    tar -czf $BACKUP_DIR/dist_$TIMESTAMP.tar.gz dist public package.json package-lock.json 2>/dev/null || echo "备份完成（部分文件可能不存在）"
    echo "✅ 备份已保存到: $BACKUP_DIR/dist_$TIMESTAMP.tar.gz"
else
    echo "⚠️ 没有找到dist目录，跳过备份"
fi

echo ""
echo "=== Step 2: 构建Docker镜像 ==="
docker build -t novalon-website:$TIMESTAMP -t novalon-website:latest -f Dockerfile.prod .
echo "✅ 镜像构建完成: novalon-website:$TIMESTAMP"

echo ""
echo "=== Step 3: 停止旧容器 ==="
if docker ps -a | grep -q novalon-website; then
    docker-compose down
    echo "✅ 旧容器已停止"
else
    echo "⚠️ 没有找到旧容器"
fi

echo ""
echo "=== Step 4: 启动新容器 ==="
docker-compose up -d
echo "✅ 新容器已启动"

echo ""
echo "=== Step 5: 等待服务启动 ==="
sleep 10

echo ""
echo "=== Step 6: 健康检查 ==="
for i in {1..30}; do
    if wget -q --spider http://localhost:3000/api/health 2>/dev/null; then
        echo "✅ 健康检查通过！"
        
        echo ""
        echo "=== Step 7: 清理旧镜像 ==="
        docker image prune -f
        docker images novalon-website --format "{{.ID}} {{.CreatedAt}}" | tail -n +4 | awk '{print $1}' | xargs -r docker rmi -f 2>/dev/null || true
        
        echo ""
        echo "=========================================="
        echo "✅ 部署成功！"
        echo "版本: $TIMESTAMP"
        echo "时间: $(date)"
        echo "=========================================="
        exit 0
    fi
    echo "等待服务就绪... ($i/30)"
    sleep 2
done

echo ""
echo "❌ 健康检查失败，开始回滚..."
if [ -f "$BACKUP_DIR/dist_$TIMESTAMP.tar.gz" ]; then
    tar -xzf $BACKUP_DIR/dist_$TIMESTAMP.tar.gz -C $DEPLOY_DIR
    docker-compose down
    docker-compose up -d
    sleep 10
    if wget -q --spider http://localhost:3000/api/health 2>/dev/null; then
        echo "✅ 回滚成功"
    else
        echo "❌ 回滚也失败了！"
    fi
else
    echo "⚠️ 没有找到备份文件，无法回滚"
fi
exit 1