#!/bin/bash

# Document AI Frontend 部署脚本
# 功能：构建项目并部署到 ecs 服务器

set -e  # 遇到错误立即退出

# 颜色定义
RED='\033[0;31m'
GREEN='\033[0;32m'
YELLOW='\033[1;33m'
BLUE='\033[0;34m'
NC='\033[0m' # No Color

# 服务器配置
ECS_HOST="ecs"
DEPLOY_PATH="/texpixel"

# 打印带颜色的消息
print_info() {
    echo -e "${BLUE}[INFO]${NC} $1"
}

print_success() {
    echo -e "${GREEN}[SUCCESS]${NC} $1"
}

print_warning() {
    echo -e "${YELLOW}[WARNING]${NC} $1"
}

print_error() {
    echo -e "${RED}[ERROR]${NC} $1"
}

# 检查命令是否存在
check_command() {
    if ! command -v $1 &> /dev/null; then
        print_error "$1 命令未找到，请先安装"
        exit 1
    fi
}

# 部署到服务器
deploy_to_server() {
    local server=$1
    print_info "开始部署到 ${server}..."
    
    # 上传构建产物
    print_info "上传 dist 目录到 ${server}..."
    if scp -r dist ${server}:~ > /dev/null 2>&1; then
        print_success "文件上传成功"
    else
        print_error "文件上传失败"
        return 1
    fi
    
    # SSH 执行部署操作
    print_info "在 ${server} 上执行部署操作..."
    ssh ${server} << EOF
        set -e
        cd ${DEPLOY_PATH}
        
        # 备份旧版本
        if [ -d "dist" ]; then
            echo "备份旧版本..."
            rm -rf dist_bak/
            mv dist dist_bak
        fi
        
        # 移动新版本
        if [ -d ~/dist ]; then
            mv ~/dist .
            echo "部署完成！"
        else
            echo "错误：找不到 ~/dist 目录"
            exit 1
        fi
        
        # 重新加载 nginx（如果配置了）
        if command -v nginx &> /dev/null; then
            echo "重新加载 nginx..."
            nginx -t && nginx -s reload || echo "警告：nginx 重新加载失败，请手动检查"
        fi
EOF
    
    if [ $? -eq 0 ]; then
        print_success "${server} 部署成功！"
    else
        print_error "${server} 部署失败！"
        return 1
    fi
}

# 主函数
main() {
    print_info "=========================================="
    print_info "Document AI Frontend 部署脚本"
    print_info "=========================================="
    echo ""
    
    # 检查必要的命令
    print_info "检查环境..."
    check_command "npm"
    check_command "scp"
    check_command "ssh"
    
    # 步骤1: 构建项目
    print_info "步骤 1/2: 构建项目..."
    if npm run build; then
        print_success "构建完成！"
    else
        print_error "构建失败！"
        exit 1
    fi
    echo ""
    
    # 检查 dist 目录是否存在
    if [ ! -d "dist" ]; then
        print_error "dist 目录不存在，构建可能失败"
        exit 1
    fi
    
    # 步骤2: 部署到 ecs
    print_info "步骤 2/2: 部署到 ecs..."
    if deploy_to_server ${ECS_HOST}; then
        print_success "ecs 部署完成"
    else
        print_error "ecs 部署失败"
        exit 1
    fi
    echo ""
    
    # 完成
    print_info "清理临时文件..."
    # 可以选择是否删除本地的 dist 目录
    # rm -rf dist
    
    print_success "=========================================="
    print_success "部署完成！"
    print_success "=========================================="
}

# 运行主函数
main