name: Reusable user config build

on:
  workflow_call:
    inputs:
      build_matrix_path:
        description: "Path to the build matrix file"
        default: "build.yaml"
        required: false
        type: string
      config_path:
        description: "Path to the config directory"
        default: "config"
        required: false
        type: string
      fallback_binary:
        description: "Fallback binary format, if no *.uf2 file was built"
        default: "bin"
        required: false
        type: string
      archive_name:
        description: "Archive output file name"
        default: "firmware"
        required: false
        type: string

jobs:
  matrix:
    runs-on: ubuntu-latest
    name: Fetch Build Keyboards
    outputs:
      build_matrix: ${{ env.build_matrix }}
    steps:
      - name: Checkout
        uses: actions/checkout@v3

      - name: Install yaml2json
        run: python3 -m pip install remarshal

      - name: Fetch Build Matrix
        run: |
          echo "build_matrix=$(yaml2json '${{ inputs.build_matrix_path }}' | jq -c .)" >> $GITHUB_ENV
          yaml2json "${{ inputs.build_matrix_path }}" | jq

  build:
    runs-on: ubuntu-latest
    container:
      image: zmkfirmware/zmk-build-arm:stable
    needs: matrix
    name: Build
    strategy:
      fail-fast: false
      matrix: ${{ fromJson(needs.matrix.outputs.build_matrix) }}
    steps:
      - name: Prepare variables
        shell: sh -x {0}
        env:
          board: ${{ matrix.board }}
          shield: ${{ matrix.shield }}
          artifact_name: ${{ matrix.artifact-name }}
        run: |
          echo "zephyr_version=${ZEPHYR_VERSION}" >> $GITHUB_ENV
          echo "extra_cmake_args=${shield:+-DSHIELD=\"$shield\"}" >> $GITHUB_ENV
          echo "display_name=${shield:+$shield - }${board}" >> $GITHUB_ENV
          echo "artifact_name=${artifact_name:-${shield:+$shield-}${board}-zmk}" >> $GITHUB_ENV

      - name: Checkout
        uses: actions/checkout@v3

      - name: Cache west modules
        uses: actions/cache@v3.0.11
        continue-on-error: true
        env:
          cache_name: cache-zephyr-${{ env.zephyr_version }}-modules
        with:
          path: |
            modules/
            tools/
            zephyr/
            bootloader/
            zmk/
          key: ${{ runner.os }}-build-${{ env.cache_name }}-${{ hashFiles('**/west.yml', '**/build.yaml') }}
          restore-keys: |
            ${{ runner.os }}-build-${{ env.cache_name }}-
            ${{ runner.os }}-build-
            ${{ runner.os }}-

      - name: West Init
        run: west init -l "${{ inputs.config_path }}"

      - name: West Update
        run: west update

      - name: West Zephyr export
        run: west zephyr-export

      - name: West Build (${{ env.display_name }})
        shell: sh -x {0}
        run: west build -s zmk/app -b "${{ matrix.board }}" -- -DZMK_CONFIG="${GITHUB_WORKSPACE}/${{ inputs.config_path }}" ${{ env.extra_cmake_args }} ${{ matrix.cmake-args }}

      - name: ${{ env.display_name }} Kconfig file
        run: |
          if [ -f build/zephyr/.config ]
          then
            grep -v -e "^#" -e "^$" build/zephyr/.config | sort
          else
            echo "No Kconfig output"
          fi
        if: ${{ !cancelled() }}

      - name: ${{ env.display_name }} Devicetree file
        run: |
          if [ -f build/zephyr/zephyr.dts ]
          then
            cat build/zephyr/zephyr.dts
          elif [ -f build/zephyr/zephyr.dts.pre ]
          then
            cat -s build/zephyr/zephyr.dts.pre
          else
            echo "No Devicetree output"
          fi
        if: ${{ !cancelled() }}

      - name: Rename artifacts
        shell: sh -x {0}
        run: |
          mkdir build/artifacts
          if [ -f build/zephyr/zmk.uf2 ]
          then
            cp build/zephyr/zmk.uf2 "build/artifacts/${{ env.artifact_name }}.uf2"
          elif [ -f build/zephyr/zmk.${{ inputs.fallback_binary }} ]
          then
            cp "build/zephyr/zmk.${{ inputs.fallback_binary }}" "build/artifacts/${{ env.artifact_name }}.${{ inputs.fallback_binary }}"
          fi

      - name: Archive (${{ env.display_name }})
        uses: actions/upload-artifact@v3
        with:
          name: ${{ inputs.archive_name }}
          path: build/artifacts