#!/bin/bash

set -e

SERVER_IP="139.155.109.62"
SERVER_USER="root"
DEPLOY_ROOT="/home/novalon/docker-app"
PROJECT_NAME="novalon-website"
PROJECT_DIR="$DEPLOY_ROOT/$PROJECT_NAME"
CONTAINER_NAME="novalon-website"
NGINX_CONTAINER_NAME="novalon-nginx"
VERSION="1.0.0"

while getopts "i:u:p:c:v:h" opt; do
    case $opt in
        i) SERVER_IP="$OPTARG" ;;
        u) SERVER_USER="$OPTARG" ;;
        p) PROJECT_NAME="$OPTARG" ;;
        c) CONTAINER_NAME="$OPTARG" ;;
        v) VERSION="$OPTARG" ;;
        h) 
            echo "用法: $0 [选项]"
            echo "选项:"
            echo "  -i IP地址        服务器IP地址 (默认: 139.155.109.62)"
            echo "  -u 用户名        SSH用户名 (默认: root)"
            echo "  -p 项目名        项目名称 (默认: novalon-website)"
            echo "  -c 容器名      容器名称 (默认: novalon-website)"
            echo "  -v 版本号        版本号 (默认: 1.0.0)"
            echo "  -h              显示帮助信息"
            exit 0
            ;;
        \?)
            echo "无效选项: -$OPTARG" >&2
            exit 1
            ;;
    esac
done

PROJECT_DIR="$DEPLOY_ROOT/$PROJECT_NAME"

LOG_DIR="./logs"
LOG_FILE="$LOG_DIR/deploy_$(date +%Y%m%d_%H%M%S).log"

mkdir -p "$LOG_DIR"
exec > >(tee -a "$LOG_FILE") 2>&1

echo "🚀 开始部署Novalon网站到服务器 $SERVER_IP"
echo "📁 部署根目录: $DEPLOY_ROOT"
echo "📁 项目目录: $PROJECT_DIR"
echo "🐳 容器名称: $CONTAINER_NAME"
echo "📦 版本号: $VERSION"
echo "📋 部署日志: $LOG_FILE"
echo ""

echo "📋 步骤0: 部署前检查..."

for file in docker-compose.yml Dockerfile nginx-static.conf .env.example setup-ssl.sh; do
    if [ ! -f "$file" ]; then
        echo "❌ 缺少必要文件: $file"
        exit 1
    fi
done

if ! command -v docker-compose &> /dev/null; then
    echo "❌ 本地docker-compose不可用"
    exit 1
fi

echo "✅ 部署前检查通过"

echo ""
echo "📋 步骤1: 验证SSH连接..."
if ! ssh -o ConnectTimeout=5 "$SERVER_USER@$SERVER_IP" exit; then
    echo "❌ 无法连接到服务器 $SERVER_IP"
    exit 1
fi

if ! ssh "$SERVER_USER@$SERVER_IP" "docker --version"; then
    echo "❌ 服务器上Docker不可用"
    exit 1
fi

echo "✅ SSH连接验证成功"

echo ""
echo "📋 步骤2: 上传部署文件..."
ssh "$SERVER_USER@$SERVER_IP" "mkdir -p '$PROJECT_DIR'"
scp -r docker-compose.yml Dockerfile nginx-static.conf .env.example setup-ssl.sh "$SERVER_USER@$SERVER_IP:$PROJECT_DIR/"
echo "✅ 部署文件已上传"

echo ""
echo "📋 步骤3: 在服务器上执行部署..."
ssh "$SERVER_USER@$SERVER_IP" << ENDSSH
cd '$PROJECT_DIR'

echo "🔒 配置SSL证书..."
chmod +x setup-ssl.sh
./setup-ssl.sh

echo "📋 检查环境变量文件..."
if [ ! -f .env ]; then
    echo "📝 创建.env文件..."
    cp .env.example .env
    echo "⚠️  请编辑.env文件，填入正确的环境变量"
    echo "⚠️  可选配置: NEXT_PUBLIC_GA_ID"
fi

echo "🐳 启动Docker容器..."
docker-compose down
docker-compose build --no-cache
docker-compose up -d

echo "📋 等待服务启动..."
timeout=60
elapsed=0
check_interval=3

while [ $elapsed -lt $timeout ]; do
    if docker inspect --format='{{.State.Status}}' "$CONTAINER_NAME" 2>/dev/null | grep -q "running"; then
        if curl -f -s -o /dev/null "http://localhost:80" --max-time 5 2>/dev/null; then
            echo "✅ 服务已启动并响应正常"
            break
        else
            echo "⏳ 容器运行中，等待服务响应..."
        fi
    else
        echo "⏳ 等待容器启动..."
    fi
    sleep $check_interval
    elapsed=$((elapsed + check_interval))
done

if [ $elapsed -ge $timeout ]; then
    echo "❌ 服务启动超时"
    echo "📋 当前容器状态:"
    docker ps -a | grep "$CONTAINER_NAME"
    echo "📋 容器日志:"
    docker logs "$CONTAINER_NAME" --tail 20
    exit 1
fi

echo "📋 检查容器状态..."
docker ps | grep "$CONTAINER_NAME"

echo "📋 检查容器日志..."
if docker logs "$CONTAINER_NAME" --tail 50 2>/dev/null; then
    echo "✅ 容器日志检查完成"
else
    echo "⚠️  容器日志为空或无法访问"
fi

echo "📋 配置SSL证书自动续期..."
if ! crontab -l | grep -q "certbot renew"; then
    if ! (crontab -l 2>/dev/null; echo "0 0,12 * * * certbot renew --quiet --post-hook 'docker restart $NGINX_CONTAINER_NAME'") | crontab -; then
        echo "❌ SSL证书自动续期任务配置失败"
        exit 1
    fi
    echo "✅ SSL证书自动续期任务已配置"
else
    echo "✅ SSL证书自动续期任务已存在"
fi

echo "✅ 部署完成！"
ENDSSH

echo ""
echo "📋 步骤4: 部署后验证..."

if ! ssh "$SERVER_USER@$SERVER_IP" "docker ps | grep -q '$CONTAINER_NAME'"; then
    echo "❌ 容器未运行"
    exit 1
fi

if ! curl -f -s -o /dev/null "http://$SERVER_IP" --max-time 10; then
    echo "⚠️  HTTP服务响应异常"
else
    echo "✅ HTTP服务正常"
fi

if ! curl -f -s -o /dev/null "https://$SERVER_IP" --max-time 10; then
    echo "⚠️  HTTPS服务响应异常"
else
    echo "✅ HTTPS服务正常"
fi

echo "✅ 部署后验证通过"

echo ""
echo "🎉 部署脚本执行完成！"
echo "📋 访问地址:"
echo "   HTTP:  http://$SERVER_IP"
echo "   HTTPS: https://$SERVER_IP"
echo "   域名:  https://novalon.cn"
echo ""
echo "📋 后续步骤:"
echo "   1. 验证网站可访问性"
echo "   2. 检查容器运行状态: docker ps"
echo "   3. 查看容器日志: docker logs $CONTAINER_NAME"
echo "   4. 验证HTTPS配置"
echo "   5. 测试网站主要功能"
echo "   6. 检查SSL证书自动续期: crontab -l"