name: MicroPython

on:
  push:
  pull_request:
  release:
    types: [created]

env:
  MICROPYTHON_VERSION: feature/psram
  MICROPYTHON_FLAVOUR: MichaelBell
  PIMORONI_PICO_VERSION: feature/sdk-2.0.0

jobs:
  build:
    name: ${{ matrix.name }} (${{ matrix.board }} ${{ matrix.variant }})
    runs-on: ubuntu-20.04
    continue-on-error: true
    strategy:
      matrix:
        include:
        - name: pico_plus2_rp2350_psram
          board: PIMORONI_PICO_PLUS2
          variant: PSRAM

    env:
      # MicroPython version will be contained in github.event.release.tag_name for releases
      RELEASE_FILE: ${{ matrix.name }}-${{ github.event.release.tag_name || github.sha }}-micropython
      PIMORONI_PICO_DIR: "${{ github.workspace }}/pimoroni-pico"
      USER_C_MODULES: "${{ github.workspace }}/src-${{ github.sha }}/modules/dvhstx.cmake"
      TAG_OR_SHA: ${{ github.event.release.tag_name || github.sha }}
      MICROPY_BOARD: ${{ matrix.board }}
      MICROPY_BOARD_VARIANT: ${{ matrix.variant }}
      MICROPY_BOARD_DIR: "${{ github.workspace }}/src-${{ github.sha }}/micropython/board/${{ matrix.BOARD }}"
      BOARD_NAME: ${{ matrix.name }}
      BUILD_TOOLS: src-${{ github.sha }}/ci/micropython.sh

    steps:
    - name: "CCache: Restore saved cache"
      uses: actions/cache@v4
      with:
        path: /home/runner/.ccache
        key: ccache-micropython-${{ matrix.name }}-${{ github.ref }}-${{ github.sha }}
        restore-keys: |
          ccache-micropython-${{ matrix.name }}-${{ github.ref }}
          ccache-micropython-${{ matrix.name }}-

    - name: "Src: Checkout"
      uses: actions/checkout@v4
      with:
        submodules: true
        path: src-${{ github.sha }}

    - name: "Pimoroni Pico: Checkout"
      uses: actions/checkout@v4
      with:
        repository: pimoroni/pimoroni-pico
        ref: ${{env.PIMORONI_PICO_VERSION}}
        submodules: true
        path: pimoroni-pico

    - name: Install Arm GNU Toolchain (arm-none-eabi-gcc)
      uses: carlosperate/arm-none-eabi-gcc-action@v1
      with:
        release: '13.3.Rel1'

    - name: "CCache: Install"
      run: |
        source $BUILD_TOOLS
        apt_install_build_deps
      
    - name: "MicroPython: Checkout"
      run: |
        source $BUILD_TOOLS
        micropython_clone

    - name: "Py_Decl: Checkout"
      uses: actions/checkout@v4
      with:
        repository: gadgetoid/py_decl
        ref: v0.0.2
        path: py_decl
        
    - name: "dir2uf2: Checkout"
      uses: actions/checkout@v4
      with:
        repository: gadgetoid/dir2uf2
        ref: v0.0.7
        path: dir2uf2

    - name: "MicroPython: Build MPY Cross"
      run: |
        source $BUILD_TOOLS
        micropython_build_mpy_cross

    - name: "MicroPython: Configure"
      shell: bash
      run: |
        source $BUILD_TOOLS
        micropython_version
        cmake_configure

    - name: "MicroPython: Build"
      shell: bash
      run: |
        source $BUILD_TOOLS
        cmake_build

    - name: "Py_Decl: Verify .uf2"
      shell: bash
      run: |
        python3 py_decl/py_decl.py --to-json --verify build-${{ matrix.name }}/${{ env.RELEASE_FILE }}.uf2

    - name: "Artifacts: Upload .uf2"
      uses: actions/upload-artifact@v4
      with:
        name: ${{ env.RELEASE_FILE }}.uf2
        path: build-${{ matrix.name }}/${{ env.RELEASE_FILE }}.uf2

    - name: "Release: Upload .uf2"
      if: github.event_name == 'release'
      uses: actions/upload-release-asset@v1
      env:
        GITHUB_TOKEN: ${{ secrets.GITHUB_TOKEN }}
      with:
        asset_path: build-${{ matrix.name }}/${{ env.RELEASE_FILE }}.uf2
        upload_url: ${{ github.event.release.upload_url }}
        asset_name: ${{ env.RELEASE_FILE }}.uf2
        asset_content_type: application/octet-stream