name: Build All Color Schemes

on:
  push:
    paths:
      - 'config/schemes.nix'
      - 'config/scheme-utils.nix'
  workflow_dispatch:

jobs:
  build-schemes:
    runs-on: nixos
    env:
      HOSTNAME: server
    
    steps:
    - uses: actions/checkout@v4
    
    - name: Get available schemes
      id: schemes
      run: |
        SCHEMES=$(nix eval --raw --impure --expr '
          let
            pkgs = import <nixpkgs> {};
            inputs = {};
            utils = import ./scripts/scheme-utils.nix { inherit pkgs inputs; };
          in
          builtins.concatStringsSep " " utils.availableSchemes
        ')
        echo "schemes=$SCHEMES" >> $GITHUB_OUTPUT
        echo "Available schemes: $SCHEMES"
    
    - name: Configure Attic cache
      run: |
        # Configure attic client to use your cache server
        attic login servidos https://cache.servidos.lat ${{ secrets.ATTIC_TOKEN }}
    
    - name: Build and push all schemes
      run: |
        echo "Building and pushing all schemes..."
        
        # Store original scheme
        ORIGINAL_SCHEME=$(grep -oP "scheme = schemesFile\.schemes\.\K\w+" config/stylix.nix)
        echo "Original scheme: $ORIGINAL_SCHEME"
        
        # Build and push each scheme
        for scheme in ${{ steps.schemes.outputs.schemes }}; do
          echo "========================================="
          echo "Processing scheme: $scheme"
          echo "========================================="
          
          # Update stylix.nix to use this scheme
          sed -i "s/scheme = schemesFile\.schemes\.\w\+;/scheme = schemesFile.schemes.$scheme;/" config/stylix.nix
          
          # Verify the change
          grep "scheme = schemesFile.schemes" config/stylix.nix
          
          # Build the configuration
          echo "Building $scheme..."
          nix build .#nixosConfigurations.${HOSTNAME}.config.system.build.toplevel \
            --out-link ./result-$scheme \
            --quiet
          
          # Push to cache
          echo "Pushing $scheme to cache..."
          attic push servidos:nixos ./result-$scheme
          
          # Also push using print-out-paths for better cache coverage
          nix build .#nixosConfigurations.${HOSTNAME}.config.system.build.toplevel \
            --print-out-paths \
            --quiet | attic push servidos:nixos --stdin
          
          echo "✓ Completed $scheme"
          echo ""
        done
        
        # Restore original scheme
        echo "Restoring original scheme: $ORIGINAL_SCHEME"
        sed -i "s/scheme = schemesFile\.schemes\.\w\+;/scheme = schemesFile.schemes.$ORIGINAL_SCHEME;/" config/stylix.nix
        
        echo "========================================="
        echo "All schemes built and pushed successfully!"
        echo "========================================="
    
    - name: Upload build artifacts
      uses: actions/upload-artifact@v4
      with:
        name: nixos-configurations
        path: ./result-*
        retention-days: 7
    
    - name: Summary
      run: |
        SCHEME_COUNT=$(echo "${{ steps.schemes.outputs.schemes }}" | wc -w)
        echo "✅ Color scheme builds completed successfully!"
        echo "- Built $SCHEME_COUNT schemes: ${{ steps.schemes.outputs.schemes }}"
        echo "- Pushed all builds to Atticd cache"
        echo "- Uploaded artifacts for backup"
        echo ""
        echo "You can now switch schemes quickly without waiting for builds!"