name: Zephyr Build

on:
  push:
    branches:
      - main
      - zephyr-migration
  pull_request:

jobs:
  build:
    runs-on: ubuntu-latest
    container:
      image: ghcr.io/zephyrproject-rtos/ci:latest
    env:
      CMAKE_PREFIX_PATH: /opt/toolchains
    steps:
      - name: Check out repository
        uses: actions/checkout@v4
        with:
          path: openpuck

      - name: Initialize Zephyr workspace
        run: |
          # Freestanding app: pull mainline Zephyr into a sibling workspace.
          west init zephyrproject --mr main
          cd zephyrproject && west update --narrow -o=--depth=1
          west zephyr-export

      - name: Build (adafruit_feather_nrf52840/nrf52840/uf2)
        run: |
          cd zephyrproject
          west build -b adafruit_feather_nrf52840/nrf52840/uf2 \
            -p always ../openpuck/OpenPuckZephyr

      - name: Upload UF2
        uses: actions/upload-artifact@v4
        with:
          name: openpuck-zephyr-uf2
          path: zephyrproject/build/zephyr/zephyr.uf2
          if-no-files-found: warn