name: CI Test Suite

on: [push, pull_request]

jobs:
  run-tests:
    runs-on: docker
    steps:
      - name: 저장소 체크아웃
        uses: actions/checkout@v4

      # 1. 기존 APT 캐시 복원 (가장 최근 상태 불러오기)
      - name: Restore APT Cache
        id: restore-apt
        uses: actions/cache/restore@v4
        with:
          path: /var/cache/apt/archives
          key: linux-apt-temp 
          restore-keys: |
            linux-apt-

      # 2. 포트란 컴파일러 및 MPI, 파이썬 시스템 패키지 설치
      - name: Install System Packages
        run: |
          if [ -f /etc/apt/apt.conf.d/docker-clean ]; then
            echo 'Binary::apt::APT::Keep-Downloaded-Packages "true";' | tee /etc/apt/apt.conf.d/keep-cache
            rm -f /etc/apt/apt.conf.d/docker-clean
          fi
          
          apt-get update
          apt-get install -y python3 python3-pip python3-venv gfortran openmpi-bin libopenmpi-dev
          
          apt-get autoclean -y
          rm -f /var/cache/apt/archives/partial/*

      # 3. .deb 파일 해시 기반 APT 캐시 갱신 및 저장
      - name: Calculate APT Cache Hash
        id: apt-hash
        run: |
          DEB_HASH=$(find /var/cache/apt/archives -name "*.deb" -type f -printf "%f\n" | sort | md5sum | awk '{print $1}')
          echo "hash=$DEB_HASH" >> $GITHUB_OUTPUT

      - name: Save APT Cache
        if: steps.restore-apt.outputs.cache-matched-key != format('linux-apt-{0}', steps.apt-hash.outputs.hash)
        uses: actions/cache/save@v4
        with:
          path: /var/cache/apt/archives
          key: linux-apt-${{ steps.apt-hash.outputs.hash }}

      # 4. 파이썬 가상환경 생성 및 수식 최적화/파서 패키지 빌드
      - name: Setup Virtual Environment & Dependencies
        run: |
          python3 -m venv venv
          . venv/bin/activate
          pip install --upgrade pip
          pip install lark sympy numpy jinja2

      # 5. 자가 생성형 합성 격자 분석 수치 정밀도 테스트 실행
      - name: Run Analytical Synthetic Grid Verification Test
        run: |
          . venv/bin/activate
          python3 code/code_gen/regression_verify_synthetic.py