name: Deploy to Hugging Face

on:
  workflow_run:
    workflows: ["CI"]          
    branches: [ main ]         
    types: [completed]
  workflow_dispatch: {}

concurrency:
  group: deploy-${{ github.event.workflow_run.head_branch || 'main' }}
  cancel-in-progress: true

jobs:
  deploy:
    runs-on: ubuntu-latest
    if: ${{ github.event.workflow_run.conclusion == 'success' && github.event.workflow_run.event == 'push' }}

    env:
      HF_TOKEN: ${{ secrets.HF_TOKEN }}
      HF_SPACE_URL: ${{ secrets.HF_SPACE_URL }}
      HF_GIT_EMAIL: ${{ secrets.HF_GIT_EMAIL || 'actions@github.com' }}
      HF_GIT_NAME:  ${{ secrets.HF_GIT_NAME  || 'github-actions' }}
      DATABASE_URL: ${{ secrets.DATABASE_URL }}


    steps:
      - name: Checkout
        uses: actions/checkout@v4
        with:
          fetch-depth: 0
          lfs: true  

      - name: Guard secrets
        if: ${{ !env.HF_TOKEN || !env.HF_SPACE_URL }}
        run: |
          echo "HF secrets manquants, on skip le déploiement."
          exit 0

      - name: Configure Git identity (local)
        shell: bash
        run: |
          git config user.email "${HF_GIT_EMAIL:-actions@github.com}"
          git config user.name  "${HF_GIT_NAME:-github-actions}"

      - name: Convert binaries to Git LFS
        shell: bash
        run: |
          set -e
          git lfs install
          git lfs track "*.joblib" "*.pkl" "*.pt" "*.onnx"
          git add .gitattributes
          git commit -m "ci: track ML artifacts with LFS for Space push" || true

         
          git lfs migrate import --everything --include="*.joblib,notebook/df.joblib,*.pkl,*.pt,*.onnx"

          git lfs status || true

      - name: Setup Python
        uses: actions/setup-python@v5
        with:
          python-version: "3.12"

      - name: Install Poetry
        uses: abatilo/actions-poetry@v3
        with:
          poetry-version: "1.8.3"

      - name: Install deps (with dev)
        run: poetry install --no-interaction --no-root

      - name: Run Alembic migrations
        env:
          DATABASE_URL: ${{ env.DATABASE_URL }}
        run: |
          echo "Migrating DB: $DATABASE_URL"
          PYTHONPATH=./src poetry run alembic upgrade head

      - name: Push to Space
        run: |
          SPACE_URL_AUTH=$(echo "$HF_SPACE_URL" | sed "s#https://#https://user:${HF_TOKEN}@#")
          git remote add space "$SPACE_URL_AUTH" || git remote set-url space "$SPACE_URL_AUTH"
          git push space HEAD:main --force