name: Deploy to Nomad

on:
  workflow_run:
    workflows: ["Build and Push Docker Image"]  # Must match your build workflow name exactly
    types:
      - completed
  workflow_dispatch:  # Allows manual triggering for testing
    inputs:
      container_sha:
        description: 'Container SHA to deploy (leave empty for latest commit)'
        required: false
        type: string

jobs:
  nomad:
    runs-on: ubuntu-latest
    name: Deploy to Nomad
    # Only run if the build workflow succeeded
    if: ${{ github.event.workflow_run.conclusion == 'success' || github.event_name == 'workflow_dispatch' }}

    steps:
      # 1. Checkout Code
      - name: Checkout Repository
        uses: actions/checkout@v4
        
      # 2. Install Nomad CLI
      - name: Setup Nomad CLI
        uses: hashicorp/setup-nomad@main
        with:
          version: '1.10.0' # Use your desired version or remove for 'latest'

      # 3. Determine container version to deploy
      - name: Set Container Version
        id: container_version
        run: |
          if [ "${{ github.event_name }}" = "workflow_dispatch" ] && [ -n "${{ inputs.container_sha }}" ]; then
            echo "sha=${{ inputs.container_sha }}" >> $GITHUB_OUTPUT
          elif [ "${{ github.event_name }}" = "workflow_run" ]; then
            echo "sha=${{ github.event.workflow_run.head_sha }}" >> $GITHUB_OUTPUT
          else
            echo "sha=${{ github.sha }}" >> $GITHUB_OUTPUT
          fi

      # 4. Deploy the Nomad Job
      - name: Deploy Nomad Job
        id: deploy
        env:
          # REQUIRED: Set the Nomad server address
          NOMAD_ADDR: http://nomad.service.dc1.consul:4646
        run: |
          echo "Deploying container version: ${{ steps.container_version.outputs.sha }}"
          nomad status
          nomad job run \
            -var="container_version=${{ steps.container_version.outputs.sha }}" \
            fitbit-garmin-sync.nomad