merge-and-generate-problems.yml

name: Merge PRs and Generate Problem Folders

on:
  schedule:
    - cron: '00 12 * * 1' # 월요일 21시 00분 KST (UTC 12:00)
    - cron: '00 10 * * 4' # 목요일 19시 00분 KST (UTC 10:00)
    - cron: '00 5 * * 5' # 금요일 14시 00분 KST (UTC 5:00)

jobs:
  merge-prs-and-create-folders:
    if: github.repository_owner == 'Live-Coding-Test'
    runs-on: ubuntu-latest

    steps:
      - name: Check if the repository is from Live-Coding-Test
        run: |
          if [ "${{ github.repository_owner }}" != "Live-Coding-Test" ]; then
            echo "This workflow is only allowed to run in the main repository (Live-Coding-Test)."
            exit 0
          fi

      - name: Checkout Repository
        uses: actions/checkout@v3

      - name: Set Up GitHub CLI
        uses: actions/setup-node@v3
        with:
          node-version: '16'
      - name: Install GitHub CLI
        run: |
          sudo apt-get install gh -y
          echo "${{ secrets.GITHUB_TOKEN }}" | gh auth login --with-token

      - name: Merge All Open PRs
        run: |
          PR_LIST=$(gh pr list --state open --json number -q '.[].number')

          if [ -n "$PR_LIST" ]; then
            for PR in $PR_LIST; do
              echo "Fetching details for PR #$PR..."
              BASE_BRANCH=$(gh pr view $PR --json baseRefName -q '.baseRefName')

              echo "Updating base branch '$BASE_BRANCH'..."
              git fetch origin $BASE_BRANCH
              git checkout $BASE_BRANCH
              git pull origin $BASE_BRANCH

              echo "Attempting to merge PR #$PR..."
              gh pr merge $PR --merge --admin || {
                echo "Merge failed for PR #$PR. Skipping..."
                continue
              }
            done
          else
            echo "No open PRs to merge."
          fi

      - name: Determine Next Test Folder
        id: determine-folder
        run: |
          LATEST_TEST=$(find live* -type d -name 'test[0-9]*' 2>/dev/null | sort | tail -n 1 | grep -o '[0-9]*$' || echo "0")

          NEXT_TEST=$((LATEST_TEST + 1))

          LIVE_GROUP=$(((NEXT_TEST - 1) / 10))

          echo "NEXT_TEST=test$NEXT_TEST" >> $GITHUB_ENV
          echo "LIVE_FOLDER=live$LIVE_GROUP" >> $GITHUB_ENV

      - name: Create Next Test Folder
        run: |
          mkdir -p $LIVE_FOLDER/$NEXT_TEST/{문제1,문제2,문제3}
          touch $LIVE_FOLDER/$NEXT_TEST/문제1/.gitkeep
          touch $LIVE_FOLDER/$NEXT_TEST/문제2/.gitkeep
          touch $LIVE_FOLDER/$NEXT_TEST/문제3/.gitkeep

      - name: Commit and Push Changes
        run: |
          git config --global user.name "GenerateBot"
          git config --global user.email "generateBot@github.com"
          git pull origin main 
          git add .
          NEXT_TEST_NUM=$(echo $NEXT_TEST | grep -o '[0-9]*') 
          git commit -m "$NEXT_TEST_NUM차 폴더 생성"
          git push origin main