name: 'Setup DJGPP toolchain'
description: 'Download DJGPP and setup CMake toolchain'
runs:
  using: 'composite'
  steps:
    - name: 'Calculate variables'
      id: calc
      shell: sh
      run: |
        version="12.2.0"
        case "${{ runner.os }}-${{ runner.arch }}" in
          "Linux-X86")
            archive="djgpp-linux32-gcc1220.tar.bz2"
            ;;
          "Linux-X64")
            archive="djgpp-linux64-gcc1220.tar.bz2"
            ;;
          "macOS-X86" | "macOS-X64" | "macOS-ARM64")
            archive="djgpp-osx-gcc1220.tar.bz2"
            ;;
          "Windows-X86" | "Windows-X64")
            archive="djgpp-mingw-gcc1220.zip"
            ;;
          *)
            echo "Unsupported ${{ runner.os }}-${{ runner.arch }}"
            exit 1;
            ;;
        esac
        echo "url=https://github.com/andrewwutw/build-djgpp/releases/download/v3.4/${archive}" >> ${GITHUB_OUTPUT}
        echo "archive=${archive}" >> ${GITHUB_OUTPUT}
        echo "version=${version}" >> ${GITHUB_OUTPUT}
        echo "cache-key=${archive}-${{ inputs.version }}-${{ runner.os }}-${{ runner.arch }}" >> ${GITHUB_OUTPUT}
    - name: 'Restore cached ${{ steps.calc.outputs.archive }}'
      id: cache-restore
      uses: actions/cache/restore@v4
      with:
        path: '${{ runner.temp }}/${{ steps.calc.outputs.archive }}'
        key: ${{ steps.calc.outputs.cache-key }}
    - name: 'Download DJGPP ${{ steps.calc.outputs.version }} for ${{ runner.os }} (${{ runner.arch }})'
      if: ${{ !steps.cache-restore.outputs.cache-hit || steps.cache-restore.outputs.cache-hit == 'false' }}
      shell: pwsh
      run: |
        Invoke-WebRequest "${{ steps.calc.outputs.url }}" -OutFile "${{ runner.temp }}/${{ steps.calc.outputs.archive }}"
    - name: 'Cache ${{ steps.calc.outputs.archive }}'
      if: ${{ !steps.cache-restore.outputs.cache-hit || steps.cache-restore.outputs.cache-hit == 'false' }}
      uses: actions/cache/save@v4
      with:
        path: '${{ runner.temp }}/${{ steps.calc.outputs.archive }}'
        key: ${{ steps.calc.outputs.cache-key }}
    - name: 'Extract DJGP archive'
      shell: pwsh
      run: |
        $archive = "${{ steps.calc.outputs.archive }}";
        if ($archive.EndsWith(".bz2")) {
          # Remove ".bz2" suffix
          $tar_archive = $archive.Substring(0, $archive.Length - 4)
          7z "-o${{ runner.temp }}" x "${{ runner.temp }}/${{ steps.calc.outputs.archive }}"
          7z "-o${{ runner.temp }}" x "${{ runner.temp }}/$tar_archive"
        } else {
          7z "-o${{ runner.temp }}" x "${{ runner.temp }}/${{ steps.calc.outputs.archive }}"
        }
    - name: 'Set output variables'
      id: final
      shell: pwsh
      run: |
        echo "${{ runner.temp }}/djgpp/bin" >> $env:GITHUB_PATH