name: Build and Test Custom Arch ISO

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

jobs:
  build-iso:
    runs-on: ubuntu-latest
    container:
      image: archlinux:latest
      options: --privileged
    steps:
      - name: Checkout repository
        uses: actions/checkout@v4

      - name: Install build dependencies
        run: |
          pacman -Syu --noconfirm
          pacman -S --noconfirm archiso git sudo base-devel fakeroot

      - name: Create builder user
        run: |
          useradd -m -G wheel -s /bin/bash builder
          echo "builder ALL=(ALL) NOPASSWD: ALL" >> /etc/sudoers

      - name: Run ISO build script
        run: |
          chown -R builder:builder .
          sudo -u builder bash ./build.sh

      - name: Verify ISO creation
        run: |
          if [ -f out/*.iso ]; then
            echo "ISO successfully built!"
            ls -lh out/*.iso
          else
            echo "ISO build failed: No ISO file found in out/ directory."
            exit 1
          fi
          
      - name: Upload ISO artifact
        uses: actions/upload-artifact@v4
        with:
          name: arch-custom-iso
          path: out/*.iso
          retention-days: 7