name: Deploy to Nomad

on:
  workflow_run:
    workflows: ["Build and Push Docker Image"]
    types:
      - completed

env:
  NOMAD_ADDR: ${{ secrets.NOMAD_ADDR }}
  NOMAD_TOKEN: ${{ secrets.NOMAD_TOKEN }}

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Get image tag from git SHA
        id: tag
        run: |
          image_tag=$(git rev-parse --short HEAD)
          echo "image_tag=$image_tag" >> $GITHUB_OUTPUT

      - name: Update image tag in job definition
        run: |
          # Replace the image tag placeholder with actual tag
          jq '.Job.TaskGroups[0].Tasks[0].Config.image |= sub(":.*"; ":${{ steps.tag.outputs.image_tag }}")' \
            blog.nomad.json > blog.nomad.final.json

      - name: Submit job via Nomad API
        run: |
          curl -s -X POST \
            -H "X-Nomad-Token: ${{ env.NOMAD_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d @blog.nomad.final.json \
            "${{ env.NOMAD_ADDR }}/v1/jobs"

      - name: Verify deployment
        run: |
          echo "Waiting for deployment to stabilize..."
          sleep 5
          curl -X GET \
            -H "X-Nomad-Token: ${{ env.NOMAD_TOKEN }}" \
            "${{ env.NOMAD_ADDR }}/v1/job/blog"