name: Eval NixOS Configurations

on:
  push:
    branches:
      - deploy
  workflow_dispatch:

permissions:
  contents: write

jobs:
  deploy:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4
        with:
          ref: deploy

      - name: Install Nix
        uses: cachix/install-nix-action@v25

      - name: Configure Git
        run: |
          git config --global user.name "GitHub Actions Bot"
          git config --global user.email "actions@github.com"

      - name: Process Configurations
        run: |
          git checkout -b deploy-comin-eval
          mkdir -p eval
          hosts=$(nix flake show --json | jq -r '.nixosConfigurations | keys[]')
          echo "Found hosts: $hosts"

          for host in $hosts; do
            echo "Eval derivation for $host"
            if ! nix show-derivation -L ".#nixosConfigurations.$host.config.system.build.toplevel" > "eval/$host.json"; then
              echo "❌ Failed to evaluate $host"
            else
              echo "✅ Successfully evaluated $host"
            fi
          done

          echo "Total hosts: $(echo "$hosts" | wc -w)"
          echo "Failed hosts: $failed_hosts" 
          
          git add eval/
          git commit -m "Update deployment configurations for all hosts"
          
          git push origin deploy-comin-eval