coderabbit-to-issue.yml

name: CodeRabbit → GitHub Issue

on:
  pull_request_review_comment:
    types: [created]

permissions:
  issues: write
  pull-requests: read

jobs:
  create-issue:
    if: github.event.comment.user.login == 'coderabbitai[bot]'
    runs-on: ubuntu-latest

    steps:
      - name: Resolve PR URL and number
        id: pr
        run: |
          echo "url=${{ github.event.pull_request.html_url }}" >> "$GITHUB_OUTPUT"
          echo "number=${{ github.event.pull_request.number }}"  >> "$GITHUB_OUTPUT"

      - name: Extract level from comment body
        id: level
        env:
          BODY: ${{ github.event.comment.body }}
        run: |
          if printf '%s' "$BODY" | grep -qE '⚠️ Potential issue.*🟠 Major'; then
            echo "level=major" >> "$GITHUB_OUTPUT"
            echo "badge=🟠 Major" >> "$GITHUB_OUTPUT"
          elif printf '%s' "$BODY" | grep -qE '⚠️ Potential issue.*🟡 Minor'; then
            echo "level=minor" >> "$GITHUB_OUTPUT"
            echo "badge=🟡 Minor" >> "$GITHUB_OUTPUT"
          elif printf '%s' "$BODY" | grep -qE '🧹 Nitpick.*🔵 Trivial'; then
            echo "level=trivial" >> "$GITHUB_OUTPUT"
            echo "badge=🔵 Trivial" >> "$GITHUB_OUTPUT"
          else
            echo "level=unknown" >> "$GITHUB_OUTPUT"
            echo "badge=⚪ Unknown" >> "$GITHUB_OUTPUT"
          fi

      - name: Extract issue title from comment body
        id: title
        env:
          BODY: ${{ github.event.comment.body }}
        run: |
          # コメント本文の最初の **太字テキスト** を抽出（最大80文字）
          title=$(printf '%s' "$BODY" | grep -oP '\*\*\K[^*]+' | head -1 | cut -c1-80)
          echo "title=${title:-CodeRabbit detected an issue}" >> "$GITHUB_OUTPUT"

      - name: Check for duplicate issue
        id: dup
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          COMMENT_URL: ${{ github.event.comment.html_url }}
        run: |
          existing=$(gh issue list \
            --repo "${{ github.repository }}" \
            --label "coderabbit" \
            --state all \
            --search "$COMMENT_URL" \
            --json number \
            --jq 'length')
          if [[ "$existing" -gt 0 ]]; then
            echo "skip=true" >> "$GITHUB_OUTPUT"
          else
            echo "skip=false" >> "$GITHUB_OUTPUT"
          fi

      - name: Ensure labels exist
        if: steps.dup.outputs.skip == 'false'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          LEVEL: ${{ steps.level.outputs.level }}
        run: |
          gh label create coderabbit \
            --repo "${{ github.repository }}" \
            --color 7c4dff \
            --description "CodeRabbit review comment" \
            2>/dev/null || true
          gh label create "coderabbit:${LEVEL}" \
            --repo "${{ github.repository }}" \
            --color 7c4dff \
            --description "CodeRabbit ${LEVEL} issue" \
            2>/dev/null || true

      - name: Build issue body
        if: steps.dup.outputs.skip == 'false'
        env:
          PR_URL: ${{ steps.pr.outputs.url }}
          PR_NUMBER: ${{ steps.pr.outputs.number }}
          LEVEL_BADGE: ${{ steps.level.outputs.badge }}
          COMMENT_BODY: ${{ github.event.comment.body }}
          COMMENT_URL: ${{ github.event.comment.html_url }}
        run: |
          {
            echo "> **CodeRabbit が PR #${PR_NUMBER} で検出した問題** (${LEVEL_BADGE})"
            echo "> ${PR_URL}"
            echo ""
            echo "---"
            echo ""
            printf '%s\n' "${COMMENT_BODY}"
            echo ""
            echo "---"
            echo ""
            echo "**元コメント**: ${COMMENT_URL}"
          } > /tmp/issue-body.md

      - name: Create GitHub Issue
        if: steps.dup.outputs.skip == 'false'
        env:
          GH_TOKEN: ${{ secrets.GITHUB_TOKEN }}
          ISSUE_TITLE: ${{ steps.title.outputs.title }}
          LEVEL: ${{ steps.level.outputs.level }}
        run: |
          gh issue create \
            --repo "${{ github.repository }}" \
            --title "🐇 [CodeRabbit:${LEVEL}] ${ISSUE_TITLE}" \
            --body-file /tmp/issue-body.md \
            --label "coderabbit,coderabbit:${LEVEL}"