name: Build

on:
  push:
    branches:
      - main

jobs:
  compile:
    runs-on: ubuntu-latest

    steps:
      - name: Check out repository
        uses: actions/checkout@v4

      - name: Set up Arduino CLI
        uses: arduino/setup-arduino-cli@v2

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.x'

      - name: Install adafruit-nrfutil
        # The Adafruit nRF52 build recipe shells out to adafruit-nrfutil to
        # package the DFU .zip; it is not bundled with the core on the runner.
        run: pip install adafruit-nrfutil

      - name: Install Adafruit nRF52 core
        run: |
          arduino-cli config init --overwrite
          arduino-cli config set board_manager.additional_urls https://adafruit.github.io/arduino-board-index/package_adafruit_index.json
          arduino-cli core update-index
          arduino-cli core install adafruit:nrf52

      - name: Generate version header
        run: ./gen_version.sh

      - name: Compile OpenPuck
        run: |
          mkdir -p build/openpuck build/cache/openpuck
          arduino-cli compile \
            -b adafruit:nrf52:feather52840 \
            --clean \
            --build-path build/cache/openpuck \
            --output-dir build/openpuck \
            --build-property "build.extra_flags=-DNRF52840_XXAA {build.flags.usb} -DCFG_TUD_HID=4" \
            OpenPuck

      - name: Generate UF2 (OpenPuck)
        # The Adafruit nRF52 core leaves its UF2 objcopy recipe commented out in
        # platform.txt, so arduino-cli only emits .hex/.zip. Convert the .hex to
        # a drag-and-drop .uf2 ourselves.
        run: ./gen_uf2.sh build/openpuck/OpenPuck.ino.hex build/openpuck/OpenPuck.ino.uf2

      - name: Compile ReversePuckFirmware
        run: |
          mkdir -p build/reversepuck build/cache/reversepuck
          arduino-cli compile \
            -b adafruit:nrf52:feather52840 \
            --clean \
            --build-path build/cache/reversepuck \
            --output-dir build/reversepuck \
            --build-property "build.extra_flags=-DNRF52840_XXAA {build.flags.usb}" \
            ReversePuckFirmware

      - name: Generate UF2 (ReversePuckFirmware)
        run: ./gen_uf2.sh build/reversepuck/ReversePuckFirmware.ino.hex build/reversepuck/ReversePuckFirmware.ino.uf2

      - name: List build outputs
        run: |
          find build/openpuck build/reversepuck -maxdepth 1 -type f -print | sort

      - name: Upload build artifacts
        uses: actions/upload-artifact@v4
        with:
          name: openpuck-firmware
          retention-days: 7
          path: |
            build/openpuck/*.uf2
            build/openpuck/*.bin
            build/openpuck/*.hex
            build/openpuck/*.elf
            build/openpuck/*.map
            build/openpuck/*.zip
            build/reversepuck/*.uf2
            build/reversepuck/*.bin
            build/reversepuck/*.hex
            build/reversepuck/*.elf
            build/reversepuck/*.map
            build/reversepuck/*.zip