name: Deploy to Server

on:
  push:
    branches:
      - main

jobs:
  deploy:
    runs-on: ubuntu-latest # Ensure your Gitea runner is configured with this label
    container:
      image: alpine:latest # Using Alpine to save CPU/Memory
    steps:
      - name: Install SSH and Networking Tools
        # 'apk add' is the Alpine equivalent of 'apt-get install'
        run: apk add --no-cache openssh-client iproute2 git

      - name: Configure SSH Key
        run: |
          mkdir -p ~/.ssh
          # Gitea uses ${{ secrets.SECRET_NAME }} syntax
          echo "${{ secrets.DEPLOY_SSH_KEY }}" > ~/.ssh/id_rsa
          chmod 600 ~/.ssh/id_rsa
          echo "StrictHostKeyChecking no" > ~/.ssh/config

      - name: Execute Remote Deployment
        run: |
          # 1. Dynamically find the Host machine's IP (Docker bridge gateway)
          HOST_IP=$(ip route | awk '/default/ { print $3 }')
          echo "==> Detected Host IP: $HOST_IP"

          # 2. SSH into the host machine to execute the deployment safely
          ssh adipu@$HOST_IP << 'EOF'
            # Exit immediately if any command fails
            set -e
            
            echo "==> Navigating to project directory..."
            cd ~/LabWise

            echo "==> Pulling latest code..."
            # Note: Changed 'onedev' to 'origin'. Update if your Gitea remote is named differently.
            git pull origin main

            npm install
            npm audit fix
            cd server
            npm install
            npm audit fix
            cd ..

            echo "==> Running Build..."
            # If this build fails, 'set -e' aborts the script instantly.
            # Your existing containers will NOT be touched, keeping the site up.
            docker compose build

            echo "==> Build successful! Deploying new containers..."
            # This only runs if the build was 100% successful.
            docker compose up -d
            
            echo "==> Cleaning up old images to save disk space..."
            # Crucial for resource-constrained servers to prevent disk exhaustion over time
            docker image prune -f

            echo "==> Deployment Complete!"
          EOF