name: Deploy to Hugging Face Spaces

on:
  push:
    branches: [main]
  workflow_dispatch:

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - uses: actions/checkout@v3
        with:
          fetch-depth: 0
          lfs: true

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.9'

      - name: Install dependencies
        run: pip install huggingface_hub

      - name: Ensure Space Exists
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}
          HF_USERNAME: ${{ secrets.HF_USERNAME }}
          SPACE_NAME: mlstocks
        run: |
          python -c "
          from huggingface_hub import create_repo
          import os
          
          token = os.environ['HF_TOKEN']
          user = os.environ['HF_USERNAME']
          space_name = os.environ['SPACE_NAME']
          repo_id = f'{user}/{space_name}'
          
          print(f'Checking/Creating Space: {repo_id}')
          try:
              create_repo(
                  repo_id=repo_id, 
                  token=token, 
                  repo_type='space', 
                  space_sdk='docker',
                  exist_ok=True
              )
              print('Space is ready.')
          except Exception as e:
              print(f'Error creating space: {e}')
              exit(1)
          "

      - name: Push to Hugging Face Hub
        env:
          HF_TOKEN: ${{ secrets.HF_TOKEN }}
          HF_USERNAME: ${{ secrets.HF_USERNAME }}
          SPACE_NAME: mlstocks
        run: |
          # 1. Configure Identity
          git config --global user.email "github-actions[bot]@users.noreply.github.com"
          git config --global user.name "github-actions[bot]"
          
          # 2. DELETE existing git history to destroy any traces of binary blobs
          rm -rf .git
          
          # 3. Initialize fresh repo for deployment
          git init
          git lfs install
          
          # 4. Enforce LFS for .db files
          echo "*.db filter=lfs diff=lfs merge=lfs -text" > .gitattributes
          
          # 5. Add files (LFS filter will apply now because .gitattributes exists before add)
          git add .
          
          # 6. Commit
          git commit -m "Deploy to Hugging Face Space"
          
          # 7. Push
          git remote add space https://$HF_USERNAME:$HF_TOKEN@huggingface.co/spaces/$HF_USERNAME/$SPACE_NAME
          git push --force space master:main