name: workflow-for-fuzzing

on:
  workflow_call:
    inputs:
      lang:
        required: true
        type: string

jobs:
  fuzzing:
    runs-on: ubuntu-latest
    name: Fuzz synth_espeak on ${{ matrix.arch }} for ${{ inputs.lang }}
    strategy:
      matrix:
        arch: [x86-32, x86-64]
        include:
          - arch: x86-32
            archdeps: "libpcaudio0:i386 libsonic0:i386 libubsan1:i386 libc6-dbg:i386"

          - arch: x86-64
            archdeps: ""
    steps:
    - uses: actions/cache@v4
      with:
        path: /home/runner/work/espeak-ng/espeak-ng
        key: build-${{ matrix.arch }}-${{ github.sha }}
    - name: enable 32bit architecture
      run: sudo dpkg --add-architecture i386
      if: matrix.arch == 'x86-32'
    - name: dependencies
      run: sudo apt-get update && sudo apt-get install libpcaudio0 libsonic0 libubsan1 mbrola mbrola-en1 ${{ matrix.archdeps }}
    - name: Fuzz function synth_espeak()
      run:   mkdir tests/fuzzing/CORPUS_DIR ; FUZZ_VOICE=${{ inputs.lang }} tests/fuzzing/synth_fuzzer.test -seed=1  -runs=10000 -max_len=4096 tests/fuzzing/CORPUS_DIR
    - name: Store the crash POC
      if: ${{ failure() }}
      uses: actions/upload-artifact@v4
      with:
        name: crash-${{ matrix.arch }}-${{ inputs.lang }}.1
        path: |
          crash-*
          timeout-*
    - name: Fuzz function synth_espeak() with language-specific input
      run:   cp dictsource/${{ inputs.lang }}_* tests/fuzzing/CORPUS_DIR/ || true ; FUZZ_VOICE=${{ inputs.lang }} tests/fuzzing/synth_fuzzer.test -seed=1  -runs=10000 -max_len=4096 tests/fuzzing/CORPUS_DIR
    - name: Store the crash POC
      if: ${{ failure() }}
      uses: actions/upload-artifact@v4
      with:
        name: crash-${{ matrix.arch }}-${{ inputs.lang }}.2
        path: |
          crash-*
          timeout-*