name: Update Cursor Version

on:
  schedule:
    - cron: '0 12 * * *'  # Run daily at 12:00 UTC
  workflow_dispatch:  # Allow manual triggering

jobs:
  update-cursor:
    runs-on: ubuntu-latest
    permissions:
      contents: write
    
    steps:
    - name: Checkout repository
      uses: actions/checkout@v4
      with:
        token: ${{ secrets.GITHUB_TOKEN }}
    
    - name: Setup Nix
      uses: cachix/install-nix-action@v25
      with:
        nix_path: nixpkgs=channel:nixpkgs-unstable
    
    - name: Update Cursor using script
      id: update-cursor
      run: |
        # Make the script executable
        chmod +x update-cursor.sh
        
        # Run the update script (it will auto-confirm in CI mode)
        ./update-cursor.sh
        
        # Capture version info from script output
        if [[ -f "$GITHUB_OUTPUT" ]]; then
          grep "CURSOR_VERSION_INFO=" "$GITHUB_OUTPUT" || echo "CURSOR_VERSION_INFO=no_update" >> "$GITHUB_OUTPUT"
        fi
    
    - name: Update flake lock file
      run: |
        nix flake update
    
    - name: Test the updated flake
      run: |
        nix flake check
        nix build .#cursor --dry-run
    
    - name: Commit and push changes
      run: |
        # Get version info from the update step
        VERSION_INFO="${{ steps.update-cursor.outputs.CURSOR_VERSION_INFO }}"
        
        # Only commit if there was an actual update
        if [[ "$VERSION_INFO" == "no_update" ]]; then
          echo "No Cursor update needed, skipping commit"
          exit 0
        fi
        
        # Check if there are any changes to commit
        if git diff --quiet; then
          echo "No changes to commit"
          exit 0
        fi
        
        # Create commit message based on version info
        if [[ "$VERSION_INFO" == completed:* ]]; then
          # Extract version from format: completed:old_version:new_version
          NEW_VERSION=$(echo "$VERSION_INFO" | cut -d: -f3)
          COMMIT_MSG="Update Cursor to version $NEW_VERSION"
        else
          COMMIT_MSG="Update Cursor to latest version"
        fi
        
        echo "Commit message: $COMMIT_MSG"
        
        git config --local user.email "action@github.com"
        git config --local user.name "GitHub Action"
        git add flake.nix flake.lock
        git commit -m "$COMMIT_MSG"
        git push