name: Build and deploy Worker

on:
  push:
    branches:
      - main

jobs:
  build:
    runs-on: build-host
    env:
      SERVICE_NAME: worker
      IMAGE: gitea.dsrptlab.com/mapflow/worker:${{ github.sha }}
      DOKPLOY_APPLICATION_ID: WLVTwjBDqYy3vim88NyKX
    steps:
      - uses: actions/checkout@v4

      - name: Configure Gitea registry auth
        run: |
          set -euo pipefail
          mkdir -p ~/.docker
          auth="$(printf '%s:%s' "${{ secrets.REGISTRY_USERNAME }}" "${{ secrets.REGISTRY_TOKEN }}" | base64 | tr -d '\n')"
          printf '{"auths":{"gitea.dsrptlab.com":{"auth":"%s"}}}\n' "$auth" > ~/.docker/config.json

      - name: Build and push image
        run: |
          set -euo pipefail
          builder="mapflow-builder"
          if ! docker buildx inspect "$builder" >/dev/null 2>&1; then
            docker buildx create --name "$builder" --driver docker-container --buildkitd-config /etc/buildkit/buildkitd.toml
          fi
          docker buildx use "$builder"
          docker buildx inspect --bootstrap
          docker buildx build --push --tag "$IMAGE" .

      - name: Skip stale deployment
        run: |
          set -euo pipefail
          latest_sha="$(git ls-remote origin refs/heads/main | awk '{print $1}')"
          if [ "$latest_sha" = "${GITHUB_SHA}" ]; then
            touch .deploy-current
          else
            echo "A newer main commit exists: $latest_sha. Skipping deploy for ${GITHUB_SHA}."
          fi

      - name: Update Dokploy image
        run: |
          set -euo pipefail
          [ -f .deploy-current ] || exit 0
          payload=$(cat <<JSON
          {"applicationId":"$DOKPLOY_APPLICATION_ID","dockerImage":"$IMAGE","username":"${{ secrets.REGISTRY_USERNAME }}","password":"${{ secrets.REGISTRY_TOKEN }}","registryUrl":"gitea.dsrptlab.com"}
          JSON
          )
          curl -fsS -X POST "${{ secrets.DOKPLOY_URL }}/api/application.saveDockerProvider" \
            -H "x-api-key: ${{ secrets.DOKPLOY_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d "$payload"

      - name: Deploy in Dokploy
        run: |
          set -euo pipefail
          [ -f .deploy-current ] || exit 0
          short_sha="${GITHUB_SHA:0:7}"
          payload=$(cat <<JSON
          {"applicationId":"$DOKPLOY_APPLICATION_ID","title":"$SERVICE_NAME #${GITHUB_RUN_NUMBER:-0} $short_sha","description":"Deploy registry image $IMAGE"}
          JSON
          )
          curl -fsS -X POST "${{ secrets.DOKPLOY_URL }}/api/application.deploy" \
            -H "x-api-key: ${{ secrets.DOKPLOY_TOKEN }}" \
            -H "Content-Type: application/json" \
            -d "$payload"