name: Deploy to Mainnet

on:
  workflow_dispatch:
    inputs:
      image_tag:
        description: 'Docker image tag to deploy (commit SHA or "latest")'
        required: true
        default: 'latest'
        type: string

jobs:
  deploy-mainnet:
    runs-on: nixos
    environment: mainnet
    permissions:
      contents: read
      packages: read

    env:
      IMAGE: ghcr.io/apex-fusion/web3-mcp

    steps:
      - name: Log in to GitHub Container Registry
        uses: docker/login-action@v3
        with:
          registry: ghcr.io
          username: ${{ github.actor }}
          password: ${{ secrets.GITHUB_TOKEN }}

      - name: Validate image exists
        run: docker pull ${{ env.IMAGE }}:${{ inputs.image_tag }}

      - name: Deploy to Mainnet Hetzner VM
        run: |
          echo "${{ secrets.HETZNER_MAINNET_SSH_KEY }}" > /tmp/deploy_key
          chmod 600 /tmp/deploy_key
          ssh -i /tmp/deploy_key -o StrictHostKeyChecking=no \
            ${{ secrets.HETZNER_MAINNET_USER }}@${{ secrets.HETZNER_MAINNET_HOST }} \
            "echo ${{ secrets.GITHUB_TOKEN }} | docker login ghcr.io -u ${{ github.actor }} --password-stdin && \
             docker pull ${{ env.IMAGE }}:${{ inputs.image_tag }} && \
             docker stop vector-mcp || true && \
             docker rm vector-mcp || true && \
             docker run -d \
               --name vector-mcp \
               --restart unless-stopped \
               -p 127.0.0.1:3000:3000 \
               --env-file /etc/vector-mcp/env \
               ${{ env.IMAGE }}:${{ inputs.image_tag }}"
          rm /tmp/deploy_key