# ==========================================
# 纯 Bash 命令行部署工作流（适配自定义 SSH 端口）
# ==========================================
name: Deploy Frontend

on:
  push:
    branches:
      - main

jobs:
  deploy:
    runs-on: ubuntu-latest

    steps:
      - name: Checkout code
        uses: actions/checkout@v4

      - name: Execute Bash Deployment
        run: |
          # 🚨 [新增步骤] 如果环境里没有 rsync，则自动安装它
          if ! command -v rsync &> /dev/null; then
              echo "📦 运行环境缺失 rsync，正在尝试自动安装..."
              sudo apt-get update && sudo apt-get install -y rsync || (apt-get update && apt-get install -y rsync)
          fi

          # -------------- 1. 声明与解析变量 --------------
          SERVER_IP="${{ secrets.SSH_HOST }}"
          SERVER_USER="${{ secrets.SSH_USER }}"
          TARGET_DIR="${{ secrets.TARGET_DIR }}"
          SSH_PORT="${{ secrets.SSH_PORT }}"
          
          : ${SERVER_IP:="192.168.31.185"}
          : ${SERVER_USER:="root"}
          : ${TARGET_DIR:="/data/apps/ci-cd/frontend"}
          : ${SSH_PORT:="2222"}

          echo "🌐 准备部署至目标服务器: ${SERVER_USER}@${SERVER_IP}:${TARGET_DIR} (端口: ${SSH_PORT})"

          # -------------- 2. 初始化本地 SSH 环境 --------------
          mkdir -p ~/.ssh
          chmod 700 ~/.ssh
          
          echo "${{ secrets.SSH_PRIVATE_KEY }}" > ~/.ssh/id_ed25519
          chmod 600 ~/.ssh/id_ed25519
          
          echo "🔍 正在扫描目标服务器主机指纹..."
          ssh-keyscan -p "$SSH_PORT" -H "$SERVER_IP" >> ~/.ssh/known_hosts 2>/dev/null

          # -------------- 3. 执行 rsync 增量同步 --------------
          echo "🚀 开始传输增量文件..."
          rsync -avz --delete \
            -e "ssh -i ~/.ssh/id_ed25519 -p $SSH_PORT" \
            --exclude=".git/" \
            --exclude=".gitea/" \
            --exclude=".github/" \
            ./ \
            "${SERVER_USER}@${SERVER_IP}:${TARGET_DIR}"

          # -------------- 4. 状态检查 --------------
          if [ $? -eq 0 ]; then
              echo "✨ 部署成功！"
          else
              echo "❌ 部署失败，请检查密钥权限或局域网连通性。"
              exit 1
          fi