name: Compile ESPHome

on:
  push:
    branches: [ main ]
  pull_request:
    branches: [ main ]
  workflow_dispatch:

jobs:
  compile:
    # ubuntu-22.04 is more stable regarding unprivileged user namespaces than 24.04
    runs-on: ubuntu-22.04
    steps:
      - uses: actions/checkout@v4

      - name: Install Nix
        uses: cachix/install-nix-action@v30
        with:
          nix_path: nixpkgs=channel:nixos-unstable

      - name: Enable unprivileged user namespaces
        run: |
          # Standard fixes for bubblewrap in CI
          sudo sysctl -w kernel.unprivileged_userns_clone=1 || true
          # Fix for newer kernels/Ubuntu versions that restrict unprivileged userns via AppArmor
          sudo sysctl -w kernel.apparmor_restrict_unprivileged_userns=0 || true

      - name: Install direnv
        run: sudo apt-get update && sudo apt-get install -y direnv

      - name: Prepare secrets
        run: |
          if [ -f templates/secrets.yaml.sample ]; then
            cp templates/secrets.yaml.sample secrets.yaml
          elif [ -f secrets.yaml.sample ]; then
            cp secrets.yaml.sample secrets.yaml
          fi

      - name: Allow direnv
        run: direnv allow .

      - name: Compile
        # Using direnv exec as originally requested, now that environment issues are mitigated
        run: direnv exec . ./reflash.sh compile ''