move-leetcode.yml

name: LeetHub Setting

on:
  push:
    branches: [ "main" ]

permissions:
  contents: write

jobs:
  detect:
    runs-on: ubuntu-latest
    outputs:
      should_run: ${{ steps.check_leethub.outputs.should_run }}
      package_name: ${{ steps.detect_package.outputs.PACKAGE_NAME }}
      commit_msg: ${{ steps.check_leethub.outputs.commit_msg }}
      level: ${{ steps.extract_level.outputs.leetcode_level }}

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          fetch-depth: 2 # 이전 로그 2개까지 해서 변경점 비교(디폴트는 1)

      - name: Check if LeetHub Commit
        id: check_leethub
        run: |
          COMMIT_MSG=$(git log -1 --pretty=%B | tail -n 1)
          echo "Latest commit message: $COMMIT_MSG"

          if [[ "$COMMIT_MSG" == Time:* && "$COMMIT_MSG" == *"- LeetHub" ]]; then
            echo "should_run=true" >> $GITHUB_OUTPUT
            echo "commit_msg=${COMMIT_MSG}" >> $GITHUB_OUTPUT
            echo "LeetHub 커밋 확인, 패키지 이사 작업 준비 ✅"
          else
            echo "should_run=false" >> $GITHUB_OUTPUT
            echo "commit_msg=" >> $GITHUB_OUTPUT
            echo "작업 없이 패스하면 됩니다 ❌"
          fi

      - name: Detect New Solve Package
        id: detect_package
        if: steps.check_leethub.outputs.should_run == 'true'
        run: |
          EXCLUDE_DIRS=("LeetCode" "백준" "프로그래머스" ".github")
          NEW_DIRS=$(git diff --name-only HEAD~1 HEAD | awk -F/ 'NF==2 {print $1}' | sort -u)

          for DIR in $NEW_DIRS; do
            SKIP=false
            for EX in "${EXCLUDE_DIRS[@]}"; do
              if [[ "$DIR" == "$EX" ]]; then
                SKIP=true
                break
              fi
            done

            if [[ "$SKIP" == false ]]; then
              echo "새로 추가된 문제풀이 패키지명: $DIR"
              echo "PACKAGE_NAME=$DIR" >> $GITHUB_OUTPUT
              break
            fi
          done

      - name: Extract Level from README
        id: extract_level
        if: steps.check_leethub.outputs.should_run == 'true' && steps.detect_package.outputs.PACKAGE_NAME != ''
        run: |
          PACKAGE_NAME="${{ steps.detect_package.outputs.PACKAGE_NAME }}"
          README_PATH="$PACKAGE_NAME/README.md"
         
          if [ ! -f "$README_PATH" ]; then
            echo "README.md 파일 없음 ❌"
            echo "leetcode_level=Unknown" >> $GITHUB_OUTPUT
            exit 0
          fi

          # h3 태그 안에서 난이도 추출
          LEVEL=$(grep -oP '(?<=<h3>).*?(?=</h3>)' "$README_PATH" | head -n 1)

          # 없으면 fallback
          if [ -z "$LEVEL" ]; then
            LEVEL="Unknown"
          fi

          echo "LeetCode 문제 난이도: $LEVEL"
          echo "leetcode_level=$LEVEL" >> $GITHUB_OUTPUT

  move:
    needs: detect
    if: ${{ needs.detect.outputs.should_run == 'true' && needs.detect.outputs.package_name != '' }}
    runs-on: ubuntu-latest

    steps:
      - name: Checkout
        uses: actions/checkout@v3
        with:
          token: ${{ secrets.GITHUB_TOKEN }}
         
      - name: Move Directory
        run: |
          PACKAGE_NAME="${{ needs.detect.outputs.PACKAGE_NAME }}"
          LEVEL_DIRECTORY="${{ needs.detect.outputs.level }}"
          ROOT_DIR="LeetCode"
     
          echo "옮겨야 할 패키지 확인: $PACKAGE_NAME"
          echo "감지된 레벨: $LEVEL_DIRECTORY"
     
          # 먼저 기존에 동일한 디렉토리 위치가 있는지 탐색
          FOUND_EXISTING_PATH=""
          for dir in "$ROOT_DIR"/*; do
            if [ -d "$dir/$PACKAGE_NAME" ]; then
              FOUND_EXISTING_PATH="$dir"
              echo "기존 디렉토리 발견: $dir/$PACKAGE_NAME"
              break
            fi
          done
     
          # 기존 위치로 이동
          if [ -n "$FOUND_EXISTING_PATH" ]; then
            DEST="$FOUND_EXISTING_PATH/$PACKAGE_NAME"
            echo "→ 기존 디렉토리로 병합 이동: $DEST"
            mv "$PACKAGE_NAME"/* "$DEST"/
            rmdir "$PACKAGE_NAME" || true
     
          # 새로 이동해야 할 경우
          else
           DEST="$ROOT_DIR/$LEVEL_DIRECTORY/$PACKAGE_NAME"
            echo "→ 새 디렉토리로 이동: $DEST"
            mkdir -p "$ROOT_DIR/$LEVEL_DIRECTORY"
            mv "$PACKAGE_NAME" "$ROOT_DIR/$LEVEL_DIRECTORY/"
          fi

      - name: Commit and Push
        run: |
          COMMIT_MSG="${{ needs.detect.outputs.commit_msg }}"
          echo "커밋 메세지 확인: $COMMIT_MSG"
       
          git config --global user.name codewith-MJ
          git config --global user.email minji.regina.kim@gmail.com

          git add .
          git commit -m "$COMMIT_MSG" || echo "No changes to commit"
          git push