name: Regression benchmark

on:
  workflow_run:
    workflows: [Build and test]
    types: [completed]
    # branches: [main]

permissions:
  contents: write
  deployments: write

jobs:
  benchmark:
    name: Performance regression check
    runs-on: ubuntu-latest
    env:
      CACHE_DIR: ${{ github.workspace }}/.ccache    
    steps:
    - uses: actions/checkout@v4
      with:
          submodules: recursive
          token: ${{ secrets.GITHUB_TOKEN }}

    - name: Setup Python Version
      uses: actions/setup-python@v5
      with:
        python-version: 3.11 # Install the python version needed

    - name: Set PYTHONPATH
      run: export PYTHONPATH=build/tools/mpact/python_packages/mpact
      shell: bash

    - name: Build
      run: cmake --build build --target build-benchmark-mpact

    - name: Install requirements
      run: |
           export CCACHE_DIR=${{ env.CACHE_DIR }}
           python -m pip install --upgrade pip
           python -m pip install pytest pytest-benchmark

    - name: Run benchmark
      run: pytest benchmark/python/benchmarks/regression_benchmark.py --benchmark-json output.json

    - name: Store benchmark result
      uses: benchmark-action/github-action-benchmark@v1
      with:
        tool: 'pytest'
        output-file-path: output.json
        fail-on-alert: true
        # GitHub API token to make a commit comment
        github-token: ${{ secrets.GITHUB_TOKEN }}
        # Enable alert commit comment
        comment-on-alert: true
        # Mention @rhysd in the commit comment
        alert-comment-cc-users: '@yinying-lisa-li'
        # Push and deploy GitHub pages branch automatically
        auto-push: true