name: Build firmware release assets

on:
  release:
    types: [published]
  workflow_dispatch:

permissions:
  contents: write

jobs:
  build:
    runs-on: ubuntu-latest
    steps:
      - name: Checkout
        uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v5
        with:
          python-version: '3.11'

      - name: Install PlatformIO and esptool
        run: pip install --upgrade platformio esptool

      - name: Build Uno firmware
        working-directory: ArduinoOBI
        run: pio run -e uno

      - name: Build ESP32-C3 firmware
        working-directory: ArduinoOBI
        run: pio run -e esp32-c3-devkitm-1

      - name: Merge ESP32-C3 image
        run: |
          esptool.py --chip esp32c3 merge_bin \
            -o esp32.bin --flash_mode dio --flash_size 4MB \
            0x0 ArduinoOBI/.pio/build/esp32-c3-devkitm-1/bootloader.bin \
            0x8000 ArduinoOBI/.pio/build/esp32-c3-devkitm-1/partitions.bin \
            0x10000 ArduinoOBI/.pio/build/esp32-c3-devkitm-1/firmware.bin

      - name: Copy Uno firmware to the workspace root
        run: cp ArduinoOBI/.pio/build/uno/firmware.hex uno.hex

      - name: Upload firmware assets to the release
        env:
          GH_TOKEN: ${{ github.token }}
        run: |
          if [ "${{ github.event_name }}" = "release" ]; then
            TAG="${{ github.event.release.tag_name }}"
          else
            TAG="$(gh api repos/${{ github.repository }}/releases/latest --jq .tag_name)"
          fi
          gh release upload "$TAG" uno.hex esp32.bin --clobber