name: Build & Release
on:
  push:
    branches:
      - master
    tags:
      - v*
  pull_request:
  release:
    types: [published]
jobs:
  build:
    runs-on: ubuntu-latest
    strategy:
      matrix:
        env: [esp32, esp32c3, esp32c3-cdc, esp32s3, esp32s3-cdc, esp32-verbose, esp32c3-verbose, esp32s3-verbose, m5stickc, m5stickc-plus, m5atom, macchina-a0]
    steps:
    - uses: actions/checkout@v4
    - name: Cache pip
      uses: actions/cache@v4
      with:
        path: ~/.cache/pip
        key: ${{ runner.os }}-pip-${{ hashFiles('**/requirements.txt') }}
        restore-keys: |
          ${{ runner.os }}-pip-
    - name: Cache PlatformIO
      uses: actions/cache@v4
      with:
        path: ~/.platformio/.cache
        key: ${{ runner.os }}-pio
    - name: Set up Python
      uses: actions/setup-python@v5
      with:
        python-version: '3.x'
    - name: Install dependencies
      run: |
        pip install wheel
        pip install -U platformio
    - name: Setup github_head_sha
      run: echo "GITHUB_HEAD_SHA=${{ github.event.pull_request.head.sha }}" >> $GITHUB_ENV
      if: ${{ github.event_name == 'pull_request' }}
    - name: Set pr env
      run: echo "PLATFORMIO_BUILD_FLAGS=-DBRANCH='\"${GITHUB_HEAD_REF}\"' -DVERSION='\"${GITHUB_HEAD_SHA::7}\"'" >> $GITHUB_ENV
      if: ${{ github.event_name == 'pull_request' }}
    - name: Set branch env
      run:  echo "PLATFORMIO_BUILD_FLAGS=-DBRANCH='\"${GITHUB_REF#refs/heads/}\"' -DVERSION='\"${GITHUB_SHA::7}\"'" >> $GITHUB_ENV
      if: ${{ github.event_name == 'push' && startsWith(github.ref, 'refs/heads/') }}
    - name: Set rel env
      run: echo "PLATFORMIO_BUILD_FLAGS=-DVERSION='\"${GITHUB_REF#refs/*/}\"'" >> $GITHUB_ENV
      if: startsWith(github.ref, 'refs/tags/v')
    - name: Run PlatformIO
      run: pio run -e ${{ matrix.env }}
    - name: Rename artifact
      run: cp .pio/build/${{ matrix.env }}/firmware.bin ${{ matrix.env }}.bin
    - name: Upload artifact
      uses: actions/upload-artifact@v4
      with:
        name: ${{ matrix.env }}.bin
        path: ${{ matrix.env }}.bin
  release:
    runs-on: ubuntu-latest
    needs: build  # This job needs to wait for all matrix builds to complete
    if: startsWith(github.ref, 'refs/tags/v')
    steps:
    - name: Download all artifacts
      uses: actions/download-artifact@v4
      with:
        path: artifacts/
    - name: Release
      uses: softprops/action-gh-release@v2
      with:
        files: artifacts/**/*.bin
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}