name: "CodeQL Analysis"

on:
  push:
    branches: [ "main", "dev" ]
  pull_request:
    branches: [ "main", "dev" ]
  schedule:
    - cron: '30 3 * * 1' # Runs at 03:30 UTC every Monday

permissions:
  contents: read

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

    strategy:
      fail-fast: false
      matrix:
        language: [ 'java-kotlin' ]

    steps:
    - name: Checkout Repository
      uses: actions/checkout@v7

    - name: Set up JDK 21
      uses: actions/setup-java@v6
      with:
        distribution: 'temurin'
        java-version: '21'

    - name: Setup Gradle
      uses: gradle/actions/setup-gradle@v6
      with:
        validate-wrappers: true
        cache-provider: basic # keep 100% MIT — avoid proprietary gradle-actions-caching

    - name: Grant Execute Permission for Gradlew
      run: chmod +x gradlew

    - name: Initialize CodeQL
      uses: github/codeql-action/init@v4
      with:
        languages: ${{ matrix.language }}
        build-mode: manual
        tools: https://github.com/github/codeql-action/releases/download/codeql-bundle-v2.26.2/codeql-bundle-linux64.tar.gz

    - name: Build Codebase (Compile Only)
      run: |
        ./gradlew compileDebugSources --no-daemon --no-build-cache

    - name: Perform CodeQL Analysis
      uses: github/codeql-action/analyze@v4
      with:
        category: "/language:${{matrix.language}}"