name: Build and deploy Python app to Azure Web App - althaus-preprocessing

on:
  push:
    branches: [main]
  workflow_dispatch:

jobs:
  build:
    runs-on: ubuntu-latest
    permissions:
      contents: read
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      # ---------- BACKEND / PYTHON ----------
      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.13"

      - name: Install uv
        uses: astral-sh/setup-uv@v6

      # ---------- ARTIFACT ----------
      - name: Upload artifact for deployment jobs
        uses: actions/upload-artifact@v4
        with:
          name: python-app
          path: |
            .
            !venv/
            !.venv/
            !.git/
            !.cache/

  deploy:
    runs-on: ubuntu-latest
    needs: build
    permissions:
      id-token: write
      contents: read

    steps:
      - name: Download artifact from build job
        uses: actions/download-artifact@v4
        with:
          name: python-app

      - name: Login to Azure (OIDC)
        uses: azure/login@v2
        with:
          client-id: ${{ secrets.AZUREAPPSERVICE_CLIENTID_3720212D35D047C38CEE2F365F1D81C7 }}
          tenant-id: ${{ secrets.AZUREAPPSERVICE_TENANTID_AC3FDD6C7376466AA44A309428618439 }}
          subscription-id: ${{ secrets.AZUREAPPSERVICE_SUBSCRIPTIONID_94A2088C685A46DFAE2BFBA50714B1DA }}

      - name: Deploy to Azure Web App
        uses: azure/webapps-deploy@v3
        with:
          app-name: "poweron-althaus-preprocess-prod"
          slot-name: "Production"
          package: . # reuse the downloaded artifact folder