close-jira-issue.yml

name: Close Jira Issue

on:
  issues:
    types:
      - closed

jobs:
  close-issue:
    runs-on: ubuntu-latest
    steps:
      - name: Login to Jira
        uses: atlassian/gajira-login@v3
        env:
          JIRA_BASE_URL: ${{ secrets.JIRA_BASE_URL }}
          JIRA_API_TOKEN: ${{ secrets.JIRA_API_TOKEN }}
          JIRA_USER_EMAIL: ${{ secrets.JIRA_USER_EMAIL }}

      - name: Extract Jira issue key from GitHub issue title
        id: extract-key
        run: |
          ISSUE_TITLE=$(cat <<'EOF'
          ${{ github.event.issue.title }}
          EOF
          )
          
          echo "📋 Issue Title: $ISSUE_TITLE"
          
          # 대괄호 안의 Jira 키 우선 추출 (예: [BOOK-123] 작업명)
          JIRA_KEY=$(echo "$ISSUE_TITLE" | grep -oP '(?<=\[)[A-Z]+-\d+(?=\])' | head -1)
          
          # 없으면 일반 패턴으로 추출
          if [ -z "$JIRA_KEY" ]; then
            JIRA_KEY=$(echo "$ISSUE_TITLE" | grep -oP '\b[A-Z]+-\d+\b' | head -1)
          fi
          
          if [ -z "$JIRA_KEY" ]; then
            echo "⚠️ No Jira key found in issue title"
            echo "JIRA_KEY=" >> $GITHUB_ENV
            echo "found=false" >> $GITHUB_OUTPUT
          else
            echo "✅ Found Jira key: $JIRA_KEY"
            echo "JIRA_KEY=$JIRA_KEY" >> $GITHUB_ENV
            echo "found=true" >> $GITHUB_OUTPUT
          fi

      - name: Stop if no Jira key
        if: steps.extract-key.outputs.found == 'false'
        run: |
          echo "⚠️ No Jira key found. Skipping Jira transition."
          exit 0

      - name: Get available transitions
        if: steps.extract-key.outputs.found == 'true'
        id: transitions
        continue-on-error: true
        run: |
          echo "🔍 Checking available transitions for ${{ env.JIRA_KEY }}"
          
          RESPONSE=$(curl -s -u ${{ secrets.JIRA_USER_EMAIL }}:${{ secrets.JIRA_API_TOKEN }} \
            -X GET \
            -H "Content-Type: application/json" \
            "${{ secrets.JIRA_BASE_URL }}/rest/api/3/issue/${{ env.JIRA_KEY }}/transitions")
          
          echo "$RESPONSE" | jq '.transitions[] | {id, name, to: .to.name}'
          
          # 개발 완료 transition이 있는지 확인
          HAS_TRANSITION=$(echo "$RESPONSE" | jq -r '.transitions[] | select(.name == "개발 완료") | .id')
          
          if [ -n "$HAS_TRANSITION" ]; then
            echo "transition_available=true" >> $GITHUB_OUTPUT
            echo "✅ '개발 완료' transition is available (ID: $HAS_TRANSITION)"
          else
            echo "transition_available=false" >> $GITHUB_OUTPUT
            echo "⚠️ '개발 완료' transition is not available"
            echo "Available transitions:"
            echo "$RESPONSE" | jq -r '.transitions[] | .name'
          fi

      - name: Close Jira issue
        if: |
          steps.extract-key.outputs.found == 'true' &&
          steps.transitions.outputs.transition_available == 'true'
        uses: atlassian/gajira-transition@v3
        with:
          issue: ${{ env.JIRA_KEY }}
          transition: 개발 완료

      - name: Add comment to GitHub issue
        if: |
          steps.extract-key.outputs.found == 'true' &&
          steps.transitions.outputs.transition_available == 'true'
        uses: actions-cool/issues-helper@v3
        with:
          actions: 'create-comment'
          token: ${{ secrets.GITHUB_TOKEN }}
          issue-number: ${{ github.event.issue.number }}
          body: |
            ✅ **Jira Issue Closed:** [${{ env.JIRA_KEY }}](${{ secrets.JIRA_BASE_URL }}/browse/${{ env.JIRA_KEY }})
            Status transitioned to: **개발 완료**

      - name: Log transition failure
        if: |
          steps.extract-key.outputs.found == 'true' &&
          steps.transitions.outputs.transition_available == 'false'
        run: |
          echo "❌ Failed to transition ${{ env.JIRA_KEY }} to '개발 완료'"
          echo "The issue might already be in that state or the transition is not available."