name: Build Matrix

on:
  push:
    branches: [ main ]
    paths:
      - 'src/**'
      - 'hardware/**'
      - 'soc/**'
      - 'platformio.ini'
      - '.gitea/workflows/build-matrix.yml'
  pull_request:
    branches: [ main ]

jobs:
  build-matrix:
    name: Build
    runs-on: ubuntu-latest
    strategy:
      fail-fast: false
      matrix:
        include:
          # ESP32-S3 targets (Heltec V3, Seeed Xiao S3)
          - target: heltec_v3
            description: "Heltec WiFi LoRa 32 V3 (ESP32-S3, SX1262)"
            chip: esp32s3

          - target: seeed_xiao_s3_wio_sx1262
            description: "Seeed XIAO ESP32-S3 + Wio SX1262"
            chip: esp32s3

    steps:
      - uses: actions/checkout@v4

      - name: Set up Python
        uses: actions/setup-python@v4
        with:
          python-version: '3.11'

      - name: Cache PlatformIO
        uses: actions/cache@v3
        with:
          path: ~/.platformio
          key: ${{ runner.os }}-platformio-${{ matrix.chip }}-${{ hashFiles('**/platformio.ini') }}
          restore-keys: |
            ${{ runner.os }}-platformio-

      - name: Install PlatformIO
        run: pip install platformio

      - name: Build ${{ matrix.target }}
        run: |
          echo "Building: ${{ matrix.description }}"
          pio run -e ${{ matrix.target }}

      - name: Report
        if: always()
        run: |
          echo "✅ Build completed for ${{ matrix.target }}"