name: MatrixCreator

run-name: "Creates supported family matrix for other jobs"

on:
  workflow_call:
    outputs:
      matrix:
        description: "Supported family for job matrixing"
        value: ${{ jobs.CreateMatrix.outputs.matrix }}

jobs:
  CreateMatrix:
    runs-on: ubuntu-latest
    outputs:
      matrix: ${{ steps.create-matrix.outputs.matrix }}
    steps:
      - name: Checkout repo
        id: checkout
        uses: actions/checkout@v4

      - name: Get uppercase no-extension ordered file names
        id: find-files
        run: |
          files=$(find cmake/stm32/ -name '*.cmake' -exec sh -c "basename {} | cut -f1 -d '.' | tr '[:lower:]' '[:upper:]'" \; | sort)
          echo "files=\"${files[@]}\"" >> $GITHUB_OUTPUT

      - name: Filter out non family files
        id: get-famillies
        run: |
          files=${{ steps.find-files.outputs.files }}
          deletes="COMMON DEVICES LINKER_LD"
          for del in $deletes; do
            files=(${files[@]/$del})
          done
          echo "files=\"${files[@]\"" >> $GITHUB_OUTPUT

      - name: Create matrix
        id: create-matrix
        run: |
          echo "matrix={\"family\":$(jq --compact-output --null-input '$ARGS.positional' --args -- ${{ steps.get-famillies.outputs.files }})}" >> $GITHUB_OUTPUT