name: CI

on:
  push:
    branches: [main]
  pull_request:
    branches: [main]

env:
  REGISTRY: registry.i80.dk
  IMAGE: registry.i80.dk/gitea/ilsp

jobs:
  build-and-push:
    runs-on: ubuntu-latest

    steps:
      - uses: actions/checkout@v4

      - name: Set image tag
        id: tag
        run: echo "tag=${GITHUB_SHA::8}" >> "$GITHUB_OUTPUT"

      - name: Log in to registry
        uses: docker/login-action@v3
        with:
          registry: ${{ env.REGISTRY }}
          username: ${{ secrets.REGISTRY_USER }}
          password: ${{ secrets.REGISTRY_TOKEN }}

      - name: Build and push
        uses: docker/build-push-action@v5
        with:
          context: .
          push: ${{ github.ref == 'refs/heads/main' }}
          tags: |
            ${{ env.IMAGE }}:${{ steps.tag.outputs.tag }}
            ${{ env.IMAGE }}:latest
          cache-from: type=registry,ref=${{ env.IMAGE }}:latest
          cache-to: type=inline

  deploy:
    runs-on: ubuntu-latest
    needs: build-and-push
    if: github.ref == 'refs/heads/main'

    steps:
      - uses: actions/checkout@v4

      - name: Set image tag
        id: tag
        run: echo "tag=${GITHUB_SHA::8}" >> "$GITHUB_OUTPUT"

      - name: Deploy to Nomad
        run: |
          scp ilsp.nomad ${{ secrets.DEPLOY_HOST }}:/tmp/ilsp.nomad
          ssh ${{ secrets.DEPLOY_HOST }} \
            "NOMAD_ADDR=https://nomad.i80.dk:4646 nomad job run \
             -var='image_tag=${{ steps.tag.outputs.tag }}' /tmp/ilsp.nomad"

      - name: Health check
        run: |
          sleep 20
          curl -sf https://ilsp.i80.dk/health | jq .