#!/bin/bash

set -e

SERVER_IP="139.155.109.62"
SERVER_USER="root"
DEPLOY_ROOT="/home/novalon/docker-app"
PROJECT_NAME="novalon-website"
DIST_DIR="dist"
STATIC_DIR="novalon-static"
NGINX_CONTAINER="novalon-nginx-secure"

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

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

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

echo "🚀 开始部署 dist 到服务器 $SERVER_IP"
echo "📁 部署目录: $DEPLOY_ROOT/$STATIC_DIR"
echo "📋 部署日志: $LOG_FILE"
echo ""

echo "📋 步骤1: 检查 dist 目录..."
if [ ! -d "$DIST_DIR" ]; then
    echo "❌ dist 目录不存在，请先运行 pnpm build"
    exit 1
fi

DIST_SIZE=$(du -sh "$DIST_DIR" | cut -f1)
echo "✅ dist 目录大小: $DIST_SIZE"

echo ""
echo "📋 步骤1.1: 验证构建产物..."
if [ -f "$DIST_DIR/index.html" ]; then
    if grep -q "googletagmanager.com" "$DIST_DIR/index.html"; then
        GA_ID=$(grep -oP 'id=G-[A-Z0-9]+' "$DIST_DIR/index.html" | head -1 | sed 's/id=//')
        echo "✅ GA 脚本已嵌入: $GA_ID"
    else
        echo "⚠️  未检测到 GA 脚本，请检查 .env.production 中的 NEXT_PUBLIC_GA_MEASUREMENT_ID"
    fi
else
    echo "❌ index.html 不存在，构建可能失败"
    exit 1
fi

echo ""
echo "📋 步骤2: 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
echo "✅ SSH连接验证成功"

echo ""
echo "📋 步骤3: 备份旧版本..."
ssh "$SERVER_USER@$SERVER_IP" "
    set -e
    STATIC_PATH='$DEPLOY_ROOT/$STATIC_DIR'
    BACKUP_PATH='$DEPLOY_ROOT/${STATIC_DIR}_backup_$(date +%Y%m%d_%H%M%S)'
    
    if [ -d \"\$STATIC_PATH\" ]; then
        echo \"📦 备份到 \$BACKUP_PATH\"
        cp -r \"\$STATIC_PATH\" \"\$BACKUP_PATH\"
        echo \"✅ 备份完成\"
    else
        echo \"ℹ️  无需备份，目录不存在\"
    fi
"

echo ""
echo "📋 步骤4: 上传 dist 目录..."
ssh "$SERVER_USER@$SERVER_IP" "mkdir -p '$DEPLOY_ROOT/$STATIC_DIR'"

rsync -avz --delete "$DIST_DIR/" "$SERVER_USER@$SERVER_IP:$DEPLOY_ROOT/$STATIC_DIR/"

echo "✅ dist 目录已上传"

echo ""
echo "📋 步骤5: 设置文件权限..."
ssh "$SERVER_USER@$SERVER_IP" "
    set -e
    STATIC_PATH='$DEPLOY_ROOT/$STATIC_DIR'
    chown -R www-data:www-data \"\$STATIC_PATH\" 2>/dev/null || true
    chmod -R 755 \"\$STATIC_PATH\"
    echo \"✅ 权限设置完成\"
"

echo ""
echo "📋 步骤6: 清除 Nginx 缓存..."
ssh "$SERVER_USER@$SERVER_IP" "
    set -e
    docker exec $NGINX_CONTAINER nginx -s reload 2>/dev/null || echo \"⚠️  Nginx 重载失败，尝试重启容器\"
    echo \"✅ Nginx 缓存已清除\"
"

echo ""
echo "📋 步骤7: 验证部署..."
if ! ssh "$SERVER_USER@$SERVER_IP" "[ -d '$DEPLOY_ROOT/$STATIC_DIR' ]"; then
    echo "❌ 部署目录不存在"
    exit 1
fi

FILE_COUNT=$(ssh "$SERVER_USER@$SERVER_IP" "find '$DEPLOY_ROOT/$STATIC_DIR' -type f | wc -l")
echo "✅ 部署完成，共 $FILE_COUNT 个文件"

echo ""
echo "📋 步骤8: 清理旧备份（保留最近3个）..."
ssh "$SERVER_USER@$SERVER_IP" "
    set -e
    BACKUP_DIR='$DEPLOY_ROOT'
    cd \"\$BACKUP_DIR\"
    ls -dt ${STATIC_DIR}_backup_* 2>/dev/null | tail -n +4 | xargs rm -rf 2>/dev/null || true
    echo \"✅ 清理完成\"
"

echo ""
echo "📋 步骤9: 验证生产环境..."
LOGO_FONT=$(curl -s "https://novalon.cn/logo.svg" | grep -o "font-family: [^;]*" | head -1)
if echo "$LOGO_FONT" | grep -q "aoyagiReisho"; then
    echo "✅ 生产环境已更新: $LOGO_FONT"
else
    echo "⚠️  生产环境可能未更新，请手动验证"
fi

echo ""
echo "🎉 部署成功！"
echo ""
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. 检查静态资源加载"
echo "   3. 测试网站主要功能"