name: autograde-final-vibevault

on:
  push:
    branches:
      - main
    tags:
      - 'submit'        # 仍然允许标签触发
      - 'submit-*'
  workflow_dispatch:

permissions:
  contents: read
  pull-requests: write

jobs:
  # 检查是否应该触发 CI（仅在 commit message 包含 “完成作业” 时执行）
  check-trigger:
    runs-on: docker
    container:
      image: alpine:latest
    outputs:
      should_run: ${{ steps.check.outputs.trigger }}
    steps:
      - name: Check commit message for trigger keyword
        id: check
        run: |
          COMMIT_MSG="${{ github.event.head_commit.message || '' }}"
          echo "Commit message: $COMMIT_MSG"
          if echo "$COMMIT_MSG" | grep -q "完成作业"; then
            echo "trigger=true" >> $GITHUB_OUTPUT
            echo "✅ Commit contains \"完成作业\"，即将执行评分"
          else
            echo "trigger=false" >> $GITHUB_OUTPUT
            echo "⛔ 只有包含“完成作业”的提交才会执行自动评分" >&2
          fi

  grade:
    needs: check-trigger
    if: needs.check-trigger.outputs.should_run == 'true'
    runs-on: docker
    container:
      image: gradle:9.0-jdk21
      options: --user root
    timeout-minutes: 30
    
    steps:
      - name: Install dependencies (CN mirror)
        run: |
          set -e
          # 替换 Debian/Ubuntu 源为阿里云镜像
          for f in /etc/apt/sources.list /etc/apt/sources.list.d/*.list /etc/apt/sources.list.d/*.sources; do
            [ -f "$f" ] || continue
            sed -i -E 's|https?://deb.debian.org|http://mirrors.aliyun.com|g' "$f" || true
            sed -i -E 's|https?://security.debian.org|http://mirrors.aliyun.com/debian-security|g' "$f" || true
            sed -i -E 's|https?://archive.ubuntu.com|http://mirrors.aliyun.com|g' "$f" || true
            sed -i -E 's|https?://ports.ubuntu.com|http://mirrors.aliyun.com|g' "$f" || true
          done
          apt-get -o Acquire::Check-Valid-Until=false update -y
          DEBIAN_FRONTEND=noninteractive apt-get install -y --no-install-recommends git ca-certificates python3 python3-pip rsync \
            libpango-1.0-0 libpangocairo-1.0-0 libgdk-pixbuf2.0-0 libffi-dev shared-mime-info \
            fonts-noto-cjk fonts-wqy-microhei
          pip3 install --break-system-packages python-dotenv requests markdown weasyprint -i https://mirrors.aliyun.com/pypi/simple --trusted-host mirrors.aliyun.com
          # 刷新字体缓存
          fc-cache -f -v > /dev/null 2>&1 || true
          rm -rf /var/lib/apt/lists/*
      
      - name: Configure Gradle mirror (Aliyun)
        run: |
          mkdir -p ~/.gradle
          cat > ~/.gradle/init.gradle << 'EOF'
          allprojects {
              repositories {
                  mavenLocal()
                  maven { url 'https://maven.aliyun.com/repository/public' }
                  maven { url 'https://maven.aliyun.com/repository/spring' }
                  maven { url 'https://maven.aliyun.com/repository/spring-plugin' }
                  maven { url 'https://maven.aliyun.com/repository/gradle-plugin' }
                  mavenCentral()
              }
          }
          EOF
          echo "✅ Gradle configured to use Aliyun mirror"
      
      - name: Checkout code
        env:
          GITHUB_TOKEN: ${{ github.token }}
        run: |
          git config --global --add safe.directory ${{ github.workspace }}
          git init
          # Use token for authentication (required for private repos)
          REPO_URL="${{ github.server_url }}/${{ github.repository }}.git"
          AUTH_URL=$(echo "$REPO_URL" | sed "s|://|://${GITHUB_TOKEN}@|")
          git remote add origin "$AUTH_URL"
          git fetch --depth=1 origin ${{ github.sha }}
          git checkout ${{ github.sha }}
      
      - name: Fix permissions
        run: chown -R $(whoami):$(whoami) ${{ github.workspace }} || true

      - name: Fetch hidden tests and grading scripts
        working-directory: ${{ github.workspace }}
        env:
          EXTERNAL_GITEA_HOST: ${{ secrets.EXTERNAL_GITEA_HOST }}
        run: |
          set -e
          
          TESTS_USERNAME="${RUNNER_TESTS_USERNAME:-}"
          TESTS_TOKEN="${RUNNER_TESTS_TOKEN:-}"
          
          if [ -z "$TESTS_TOKEN" ] || [ -z "$TESTS_USERNAME" ]; then
            echo "❌ RUNNER_TESTS_USERNAME / RUNNER_TESTS_TOKEN not set!"
            echo "Cannot fetch grading scripts - aborting."
            exit 1
          fi
          
          # Resolve Gitea Host
          if [ -n "$EXTERNAL_GITEA_HOST" ]; then
            HOST="$EXTERNAL_GITEA_HOST"
          elif [ -n "$GITEA_ROOT_URL" ]; then
            HOST=$(echo "$GITEA_ROOT_URL" | sed 's|https\?://||' | sed 's|/$||')
          else
            HOST=$(echo "${{ github.server_url }}" | sed 's|https\?://||' | cut -d'/' -f1)
          fi
          
          ORG=$(echo "${{ github.repository }}" | cut -d'/' -f1)
          REPO_NAME=$(echo "${{ github.repository }}" | cut -d'/' -f2)
          
          # Extract assignment ID
          if echo "$REPO_NAME" | grep -q -- '-stu_'; then
            ASSIGNMENT_ID=$(echo "$REPO_NAME" | sed 's/-stu_.*//')
          elif echo "$REPO_NAME" | grep -q -- '-template'; then
            ASSIGNMENT_ID=$(echo "$REPO_NAME" | sed 's/-template.*//')
          else
            ASSIGNMENT_ID="final-vibevault"
          fi
          
          echo "📥 Fetching tests and grading scripts from ${ORG}/${ASSIGNMENT_ID}-tests..."
          
          AUTH_URL="http://${TESTS_USERNAME}:${TESTS_TOKEN}@${HOST}/${ORG}/${ASSIGNMENT_ID}-tests.git"
          
          if ! git -c http.sslVerify=false clone --depth=1 "$AUTH_URL" _priv_tests 2>&1; then
            echo "❌ Failed to clone ${ASSIGNMENT_ID}-tests repository!"
            exit 1
          fi
          
          # ===== Copy grading scripts (from tests repo, cannot be modified by students) =====
          if [ -d "_priv_tests/autograde" ]; then
            # Remove any local .autograde (prevent student tampering)
            rm -rf .autograde
            mkdir -p .autograde
            cp _priv_tests/autograde/*.py .autograde/
            cp _priv_tests/autograde/*.sh .autograde/ 2>/dev/null || true
            echo "✅ Grading scripts copied from tests repo"
          else
            echo "❌ No autograde directory in tests repo!"
            exit 1
          fi
          
          # Copy Java tests
          if [ -d "_priv_tests/java/src/test" ]; then
            rsync -a _priv_tests/java/src/test/ src/test/
            echo "✅ Private tests copied"
          fi
          
          # Copy test_groups.json if exists
          if [ -f "_priv_tests/test_groups.json" ]; then
            cp _priv_tests/test_groups.json .
            echo "✅ test_groups.json copied"
          fi
          
          # Copy LLM rubrics
          if [ -d "_priv_tests/llm" ]; then
            mkdir -p .llm_rubrics
            cp _priv_tests/llm/*.json .llm_rubrics/ 2>/dev/null || true
            echo "✅ LLM rubrics copied"
          fi
          
          # Cleanup
          rm -rf _priv_tests
      
      - name: Run tests
        working-directory: ${{ github.workspace }}
        run: |
          gradle test --no-daemon || true
          
          # Collect all JUnit XML reports
          find build/test-results/test -name "TEST-*.xml" -exec cat {} \; > all_tests.xml 2>/dev/null || true
          
          # Also try to get a single combined report
          if [ -f build/test-results/test/TEST-*.xml ]; then
            cp build/test-results/test/TEST-*.xml junit.xml 2>/dev/null || true
          fi
      
      - name: Grade programming tests
        working-directory: ${{ github.workspace }}
        run: |
          # Use extended grading script with group support
          python3 ./.autograde/grade_grouped.py \
            --junit-dir build/test-results/test \
            --groups test_groups.json \
            --out grade.json \
            --summary summary.md
      
      - name: Grade REPORT.md
        working-directory: ${{ github.workspace }}
        run: |
          # LLM env vars are injected by Runner config (LLM_API_KEY, LLM_API_URL, LLM_MODEL)
          if [ -f REPORT.md ] && [ -f .llm_rubrics/rubric_report.json ]; then
            python3 ./.autograde/llm_grade.py \
              --question "请评估这份后端与系统设计报告" \
              --answer REPORT.md \
              --rubric .llm_rubrics/rubric_report.json \
              --out report_grade.json \
              --summary report_summary.md
            echo "✅ REPORT.md graded"
          else
            echo '{"total": 0, "flags": ["missing_file"]}' > report_grade.json
            echo "⚠️ REPORT.md or rubric not found"
          fi
      
      - name: Grade FRONTEND.md
        working-directory: ${{ github.workspace }}
        run: |
          # LLM env vars are injected by Runner config (LLM_API_KEY, LLM_API_URL, LLM_MODEL)
          if [ -f FRONTEND.md ] && [ -f .llm_rubrics/rubric_frontend.json ]; then
            python3 ./.autograde/llm_grade.py \
              --question "请评估这份前端界面与交互设计报告" \
              --answer FRONTEND.md \
              --rubric .llm_rubrics/rubric_frontend.json \
              --out frontend_grade.json \
              --summary frontend_summary.md
            echo "✅ FRONTEND.md graded"
          else
            echo '{"total": 0, "flags": ["missing_file"]}' > frontend_grade.json
            echo "⚠️ FRONTEND.md or rubric not found"
          fi
      
      - name: Aggregate grades
        working-directory: ${{ github.workspace }}
        run: |
          python3 ./.autograde/aggregate_final_grade.py \
            --programming grade.json \
            --report report_grade.json \
            --frontend frontend_grade.json \
            --out final_grade.json \
            --summary final_summary.md
      
      - name: Generate PDF report
        working-directory: ${{ github.workspace }}
        env:
          REPO: ${{ github.repository }}
          COMMIT_SHA: ${{ github.sha }}
        run: |
          if [ -f final_grade.json ]; then
            # 读取学生信息文件（如果存在）
            STUDENT_ID=""
            STUDENT_NAME=""
            CLASS_NAME=""
            
            if [ -f .student_info.json ]; then
              STUDENT_ID=$(python3 -c "import json; d=json.load(open('.student_info.json')); print(d.get('student_id',''))" 2>/dev/null || echo "")
              STUDENT_NAME=$(python3 -c "import json; d=json.load(open('.student_info.json')); print(d.get('name',''))" 2>/dev/null || echo "")
              CLASS_NAME=$(python3 -c "import json; d=json.load(open('.student_info.json')); print(d.get('class_name',''))" 2>/dev/null || echo "")
            fi
            
            # 如果没有学生信息文件，从仓库名提取学号
            if [ -z "$STUDENT_ID" ]; then
              STUDENT_ID=$(echo "$REPO" | sed -n 's/.*-stu[_-]\?\(st\)\?\([0-9]*\)$/\2/p')
            fi
            
            python3 ./.autograde/generate_pdf_report.py \
              --report REPORT.md \
              --frontend FRONTEND.md \
              --grade final_grade.json \
              --images images \
              --out grade_report.pdf \
              --student-id "$STUDENT_ID" \
              --student-name "$STUDENT_NAME" \
              --class-name "$CLASS_NAME" \
              --commit-sha "$COMMIT_SHA"
          fi
      
      - name: Upload report to student repo
        if: env.RUNNER_METADATA_TOKEN != ''
        working-directory: ${{ github.workspace }}
        env:
          TOKEN: ${{ env.RUNNER_METADATA_TOKEN }}
          REPO: ${{ github.repository }}
          SERVER_URL: ${{ github.server_url }}
          COMMIT_SHA: ${{ github.sha }}
        run: |
          # 上传 PDF 或 Markdown 报告到学生仓库
          REPORT_FILE=""
          if [ -f grade_report.pdf ]; then
            REPORT_FILE="grade_report.pdf"
          elif [ -f grade_report.md ]; then
            REPORT_FILE="grade_report.md"
          fi
          
          if [ -n "$REPORT_FILE" ]; then
            # 使用内部地址
            API_URL="http://gitea:3000/api/v1"
            SHORT_SHA=$(echo "$COMMIT_SHA" | cut -c1-7)
            DEST_PATH="reports/grade_report_${SHORT_SHA}.${REPORT_FILE##*.}"
            
            # Base64 编码并保存到临时文件（避免命令行参数过长）
            CONTENT=$(base64 -w 0 "$REPORT_FILE")
            
            # 创建请求 JSON 文件
            cat > /tmp/upload_request.json << EOF
          {"message": "Add grade report for $SHORT_SHA", "content": "$CONTENT"}
          EOF
            
            # 先尝试 POST 创建新文件
            RESULT=$(curl -s -X POST -H "Authorization: token $TOKEN" \
              -H "Content-Type: application/json" \
              "$API_URL/repos/$REPO/contents/$DEST_PATH" \
              -d @/tmp/upload_request.json)
            
            if echo "$RESULT" | grep -q '"content"'; then
              echo "✅ Report uploaded to $DEST_PATH"
            else
              # POST 失败，可能文件已存在，尝试获取 SHA 并 PUT 更新
              echo "POST failed, trying PUT with SHA..."
              SHA=$(curl -s -H "Authorization: token $TOKEN" \
                "$API_URL/repos/$REPO/contents/$DEST_PATH" \
                | python3 -c "import sys,json; d=json.load(sys.stdin); print(d.get('sha','') if isinstance(d,dict) and 'sha' in d else '')" 2>/dev/null || echo "")
              
              if [ -n "$SHA" ]; then
                # 创建更新请求 JSON 文件
                cat > /tmp/upload_request.json << EOF
          {"message": "Update grade report for $SHORT_SHA", "content": "$CONTENT", "sha": "$SHA"}
          EOF
                
                RESULT=$(curl -s -X PUT -H "Authorization: token $TOKEN" \
                  -H "Content-Type: application/json" \
                  "$API_URL/repos/$REPO/contents/$DEST_PATH" \
                  -d @/tmp/upload_request.json)
                
                if echo "$RESULT" | grep -q '"content"'; then
                  echo "✅ Report updated at $DEST_PATH"
                else
                  echo "⚠️ Failed to update report: $RESULT"
                fi
              else
                echo "⚠️ Could not get file SHA, upload failed"
              fi
            fi
            
            # 清理临时文件
            rm -f /tmp/upload_request.json
          fi
      
      - name: Create metadata
        working-directory: ${{ github.workspace }}
        env:
          REPO: ${{ github.repository }}
        run: |
          if [ -f final_grade.json ]; then
            export GRADE_TYPE=final
            python3 ./.autograde/create_minimal_metadata.py > metadata.json || echo "{}" > metadata.json
          fi
      
      - name: Upload metadata
        if: env.RUNNER_METADATA_TOKEN != ''
        working-directory: ${{ github.workspace }}
        env:
          # 使用当前组织的 course-metadata 仓库，而不是 Runner 配置中的硬编码值
          METADATA_REPO: ${{ github.repository_owner }}/course-metadata
          METADATA_TOKEN: ${{ env.RUNNER_METADATA_TOKEN }}
          METADATA_BRANCH: ${{ env.RUNNER_METADATA_BRANCH }}
          STUDENT_REPO: ${{ github.repository }}
          RUN_ID: ${{ github.run_id }}
          COMMIT_SHA: ${{ github.sha }}
          SERVER_URL: ${{ github.server_url }}
        run: |
          if [ -f metadata.json ]; then
            python3 ./.autograde/upload_metadata.py \
              --metadata-file metadata.json \
              --metadata-repo "${METADATA_REPO}" \
              --branch "${METADATA_BRANCH:-main}" \
              --student-repo "${STUDENT_REPO}" \
              --run-id "${RUN_ID}" \
              --commit-sha "${COMMIT_SHA}" \
              --workflow grade \
              --server-url "${SERVER_URL}" \
              --external-host "${EXTERNAL_GITEA_HOST}"
          fi