name: "CodeQL"

on:
  push:
    branches: [ "master" ]
  pull_request:
    # The branches below must be a subset of the branches above
    branches: [ "master" ]
  schedule:
    - cron: '18 15 * * 0'

permissions:
  contents: read

concurrency:
  group: ${{ github.workflow }}-${{ github.ref }}-${{ github.event_name }}
  cancel-in-progress: ${{ github.event_name == 'pull_request' }}

jobs:
  analyze:
    name: Analyze
    runs-on: 'ubuntu-latest'
    timeout-minutes: 360
    permissions:
      actions: read
      contents: read
      security-events: write

    strategy:
      fail-fast: false
      matrix:
        language: [ 'cpp', 'java', 'javascript', 'python' ]
        # CodeQL supports [ 'cpp', 'csharp', 'go', 'java', 'javascript', 'python', 'ruby', 'swift' ]

    steps:

    - name: Harden Runner
      uses: step-security/harden-runner@9af89fc71515a100421586dfdb3dc9c984fbf411 # v2.19.4
      with:
        egress-policy: audit

    - name: Checkout repository
      uses: actions/checkout@9c091bb21b7c1c1d1991bb908d89e4e9dddfe3e0 # v7.0.0
      with:
        persist-credentials: false

    # Initializes the CodeQL tools for scanning.
    - name: Initialize CodeQL
      uses: github/codeql-action/init@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2
      with:
        languages: ${{ matrix.language }}
        # CodeQL is currently crashing on files with large lists:
        #   https://github.com/github/codeql/issues/13656
        config: |
          paths-ignore:
            - research
            - js/test_data.*

    - if: matrix.language == 'cpp'
      name: Build CPP
      uses: github/codeql-action/autobuild@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2

    - if: matrix.language == 'cpp' || matrix.language == 'java'
      name: Build Java
      run: |
        cd ${GITHUB_WORKSPACE}/java
        bazelisk build --spawn_strategy=local --nouse_action_cache -c opt ...:all

    - if: matrix.language == 'javascript'
      name: Build JS
      uses: github/codeql-action/autobuild@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2

    - if: matrix.language == 'cpp' || matrix.language == 'python'
      name: Build Python
      run: |
        python -VV
        pip install "setuptools>=70.0.0"
        python setup.py build_ext

    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@8aad20d150bbac5944a9f9d289da16a4b0d87c1e # v4.36.2
      with:
        category: "/language:${{matrix.language}}"
        ref: "${{ github.ref != 'master' && github.ref || '/refs/heads/master' }}"
        sha: "${{ github.sha }}"