#!/bin/bash

# 🚀 前端 Docker 镜像部署脚本（后端运维使用）
# ========================================

# 设置变量
VERSION=${1:-"1.0.0"}
REMOTE_USER=${2:-"deploy"}
REMOTE_HOST=${3:-"192.168.1.100"}
REMOTE_PORT=${4:-"22"}

LOCAL_IMAGE_FILE="deotaland-frontend-v${VERSION}.tar.gz"
LOCAL_COMPOSE_FILE="docker-compose.prod.yml"
LOCAL_CHECKLIST="deploy-checklist.md"

REMOTE_DIR="/app/frontend"
IMAGE_NAME="deotaland-frontend:v${VERSION}"

echo "🚀 前端 Docker 镜像部署脚本"
echo "======================================="
echo "📋 部署信息："
echo "  版本: v${VERSION}"
echo "  远程主机: ${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_PORT}"
echo "  远程目录: ${REMOTE_DIR}"
echo "  镜像文件: ${LOCAL_IMAGE_FILE}"
echo ""

# 检查本地文件
if [ ! -f "${LOCAL_IMAGE_FILE}" ]; then
    echo "❌ 镜像文件 ${LOCAL_IMAGE_FILE} 不存在！"
    echo "请先运行 build-and-export.bat 构建镜像"
    exit 1
fi

if [ ! -f "${LOCAL_COMPOSE_FILE}" ]; then
    echo "❌ docker-compose 文件 ${LOCAL_COMPOSE_FILE} 不存在！"
    exit 1
fi

echo "✅ 本地文件检查通过"
echo ""

# 步骤1：创建远程目录
echo "📁 步骤1：创建远程目录..."
ssh -p ${REMOTE_PORT} ${REMOTE_USER}@${REMOTE_HOST} "mkdir -p ${REMOTE_DIR}"

if [ $? -ne 0 ]; then
    echo "❌ 创建远程目录失败！"
    exit 1
fi
echo "✅ 远程目录创建成功"
echo ""

# 步骤2：上传文件
echo "📤 步骤2：上传文件到服务器..."
echo "正在上传镜像文件（这可能需要几分钟）..."

scp -P ${REMOTE_PORT} ${LOCAL_IMAGE_FILE} ${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_DIR}/
if [ $? -ne 0 ]; then
    echo "❌ 镜像文件上传失败！"
    exit 1
fi

scp -P ${REMOTE_PORT} ${LOCAL_COMPOSE_FILE} ${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_DIR}/docker-compose.yml
if [ $? -ne 0 ]; then
    echo "❌ docker-compose 文件上传失败！"
    exit 1
fi

if [ -f "${LOCAL_CHECKLIST}" ]; then
    scp -P ${REMOTE_PORT} ${LOCAL_CHECKLIST} ${REMOTE_USER}@${REMOTE_HOST}:${REMOTE_DIR}/
fi

echo "✅ 文件上传成功"
echo ""

# 步骤3：在服务器上执行部署命令
echo "🔧 步骤3：在服务器上执行部署..."

ssh -p ${REMOTE_PORT} ${REMOTE_USER}@${REMOTE_HOST} << EOF
cd ${REMOTE_DIR}

echo "📦 正在解压镜像文件..."
gunzip -f ${LOCAL_IMAGE_FILE}

echo "🐳 正在导入 Docker 镜像..."
docker load -i deotaland-frontend-v${VERSION}.tar

echo "📊 镜像导入成功，当前镜像列表："
docker images | grep deotaland-frontend

echo "🛑 停止旧容器（如果存在）..."
docker-compose down || true

echo "🚀 启动新容器..."
docker-compose up -d

echo "⏳ 等待容器启动..."
sleep 10

echo "🔍 检查容器状态："
docker-compose ps

echo "🧪 健康检查："
curl -f http://localhost:3000 > /dev/null 2>&1
if [ \$? -eq 0 ]; then
    echo "✅ 应用健康检查通过！"
else
    echo "⚠️ 应用健康检查失败，请检查日志："
    docker-compose logs --tail=50
fi

echo "📊 容器资源使用情况："
docker stats --no-stream \$(docker-compose ps -q)

EOF

if [ $? -ne 0 ]; then
    echo "❌ 服务器部署失败！"
    exit 1
fi

echo ""
echo "🎉 部署完成！"
echo "======================================="
echo "📊 部署信息："
echo "  版本: v${VERSION}"
echo "  远程主机: ${REMOTE_USER}@${REMOTE_HOST}"
echo "  访问地址: http://${REMOTE_HOST}:3000"
echo ""
echo "🔍 验证步骤："
echo "1. 在浏览器访问: http://${REMOTE_HOST}:3000"
echo "2. 检查容器状态: docker-compose ps"
echo "3. 查看日志: docker-compose logs -f"
echo ""
echo "🚀 部署成功！🎉"