name: 'Generate memory estimates'
description: 'Generate library size tables for doxygen.'
inputs:
  path:
    description: 'Path to library directory.'
    required: false
    default: ./
  config:
    description: 'JSON config file containing library information to be used for memory estimation.'
    required: true
  output:
    description: 'File to write generated table to.'
    required: false
    default: 'size_table.html'
  check_against:
    description: >
        Path to existing memory estimates file to compare with the memory estimates calculated by
        the action. Action will fail if sizes do not match to indicate need for updating size.
    required: false
    default: ''
  toolchain_link:
    description: 'Link to ARM GCC tar.bz2 to use for compiling files (default version 9-2020-q2).'
    required: false
    default: "https://armkeil.blob.core.windows.net/developer/Files/downloads/gnu-rm/9-2020q2/gcc-arm-none-eabi-9-2020-q2-update-x86_64-linux.tar.bz2?revision=05382cca-1721-44e1-ae19-1e7c3dc96118&la=en&hash=D7C9D18FCA2DD9F894FD9F3C3DC9228498FA281A"
runs:
  using: "composite"
  steps:
    - name: Install ARM GCC
      run: |
          wget -qO- "${{ inputs.toolchain_link }}" | sudo tar --strip-components=1 -xj -C /usr/local
      shell: bash
    - name: Compute sizes
      working-directory: ${{ inputs.path }}
      run: >-
          ${{ github.action_path }}/memory_statistics.py
          --config "${{ inputs.config }}"
          --output "${{ inputs.output }}"
      shell: bash
    - name: Compare table
      working-directory: ${{ inputs.path }}
      run: |
          if [ -n "${{ inputs.check_against }}" ] ; then
              if cmp "${{ inputs.check_against }}" "${{ inputs.output }}" ; then
                  exit 0
              else
                  echo "Size table does not match!"
                  diff -U 2 "${{ inputs.check_against }}" "${{ inputs.output }}"
                  exit 1
              fi
          fi
      shell: bash