discord-notification.yml

name: 🎵 Automated Discord Notification

on:
  pull_request:
    types: [opened, reopened, closed, review_requested, ready_for_review]
  pull_request_review:
    types: [submitted]
  pull_request_review_comment:
    types: [created]
  issues:
    types: [opened]

jobs:
  notify:
    permissions: {}
    runs-on: ubuntu-latest

    steps:
      - name: Send Detailed Discord Message
        shell: bash
        env:
          DISCORD_WEBHOOK_URL: ${{ secrets.DISCORD_WEBHOOK_URL }}
          EVENT_NAME: ${{ github.event_name }}
          ACTION: ${{ github.event.action }}

        run: |
          set -euo pipefail

          if [ -z "$DISCORD_WEBHOOK_URL" ]; then
            echo "DISCORD_WEBHOOK_URL not set, skipping"
            exit 0
          fi

          # GitHub ID → 한국어 이름 매핑
          resolve_name() {
            case "$1" in
              kimminna)   echo "민아" ;;
              ehye1)      echo "혜원" ;;
              jjangminii) echo "정민" ;;
              yumin-kim2) echo "유민" ;;
              *)          echo "$1" ;;
            esac
          }

          # Discord embed 색상
          COLOR_SUCCESS=5763719   # 머지, 승인
          COLOR_OPEN=16711782     # PR 열림
          COLOR_REVIEW=16776960   # 리뷰 요청, 리뷰 코멘트
          COLOR_CLOSED=15548997   # PR 닫힘, 변경 요청
          COLOR_COMMENT=9807270   # PR 코멘트
          COLOR_ISSUE=7275516     # 이슈

          # PR/이슈 본문에서 보일러플레이트 제거 후 반환 (DESC에서 400자로 제한)
          clean_body() {
            echo "$1" \
              | sed 's/<br>//gi' \
              | { grep -vE '^\s*(#|close[sd]? #[0-9]+|fixes? #[0-9]+|resolves? #[0-9]+)' || true; } \
              | tr '\n' ' ' \
              | sed 's/  */ /g'
          }

          # 라벨·리뷰어를 받아 fields JSON 배열 반환
          build_fields() {
            local labels="$1"
            local reviewer="$2"
            local fields='[]'

            if [ -n "$labels" ]; then
              fields=$(echo "$fields" | jq --arg v "$labels" '. + [{ name: "라벨", value: $v, inline: true }]')
            fi
            if [ -n "$reviewer" ]; then
              fields=$(echo "$fields" | jq --arg v "$reviewer" '. + [{ name: "리뷰어", value: $v, inline: true }]')
            fi

            echo "$fields"
          }

          if [ "$EVENT_NAME" = "pull_request" ]; then
            PR_TITLE="$(jq -r '.pull_request.title // ""' "$GITHUB_EVENT_PATH")"
            URL="$(jq -r '.pull_request.html_url // ""' "$GITHUB_EVENT_PATH")"
            RAW_AUTHOR="$(jq -r '.pull_request.user.login // ""' "$GITHUB_EVENT_PATH")"
            AUTHOR="$(resolve_name "$RAW_AUTHOR")"
            LABELS="$(jq -r '[.pull_request.labels[].name] | join(", ")' "$GITHUB_EVENT_PATH")"
            MERGED="$(jq -r '.pull_request.merged // false' "$GITHUB_EVENT_PATH")"
            REVIEWER=""

            RAW_BODY="$(jq -r '.pull_request.body // ""' "$GITHUB_EVENT_PATH")"
            CLEAN_BODY="$(clean_body "$RAW_BODY")"

            if [ "$ACTION" = "opened" ]; then
              TITLE="PR이 열렸습니다"
              COLOR=$COLOR_OPEN
            elif [ "$ACTION" = "reopened" ]; then
              TITLE="PR이 다시 열렸습니다"
              COLOR=$COLOR_OPEN
            elif [ "$ACTION" = "ready_for_review" ]; then
              TITLE="PR이 리뷰 준비됐습니다"
              COLOR=$COLOR_OPEN
            elif [ "$ACTION" = "review_requested" ]; then
              TITLE="리뷰 요청이 왔습니다"
              RAW_REVIEWER="$(jq -r '.requested_reviewer.login // ""' "$GITHUB_EVENT_PATH")"
              if [ -z "$RAW_REVIEWER" ]; then
                RAW_REVIEWER="$(jq -r '.requested_team.name // .requested_team.slug // ""' "$GITHUB_EVENT_PATH")"
                REVIEWER="$RAW_REVIEWER"
              else
                REVIEWER="$(resolve_name "$RAW_REVIEWER")"
              fi
              COLOR=$COLOR_REVIEW
            elif [ "$ACTION" = "closed" ] && [ "$MERGED" = "true" ]; then
              TITLE="PR이 머지됐습니다"
              COLOR=$COLOR_SUCCESS
            elif [ "$ACTION" = "closed" ]; then
              TITLE="PR이 닫혔습니다"
              COLOR=$COLOR_CLOSED
            else
              exit 0
            fi

            DESC="**${PR_TITLE}**"$'\n'"${CLEAN_BODY}"
            DESC="${DESC:0:400}"
            FIELDS="$(build_fields "$LABELS" "$REVIEWER")"

          elif [ "$EVENT_NAME" = "pull_request_review" ]; then
            RAW_AUTHOR="$(jq -r '.review.user.login // ""' "$GITHUB_EVENT_PATH")"

            if [ "$RAW_AUTHOR" = "coderabbitai" ] || [ "$RAW_AUTHOR" = "coderabbitai[bot]" ]; then
              exit 0
            fi

            AUTHOR="$(resolve_name "$RAW_AUTHOR")"
            PR_TITLE="$(jq -r '.pull_request.title // ""' "$GITHUB_EVENT_PATH")"
            URL="$(jq -r '.pull_request.html_url // ""' "$GITHUB_EVENT_PATH")"
            REVIEW_STATE="$(jq -r '.review.state // ""' "$GITHUB_EVENT_PATH")"
            LABELS="$(jq -r '[.pull_request.labels[].name] | join(", ")' "$GITHUB_EVENT_PATH")"

            if [ "$REVIEW_STATE" = "approved" ]; then
              TITLE="리뷰가 승인됐습니다"
              COLOR=$COLOR_SUCCESS
            elif [ "$REVIEW_STATE" = "changes_requested" ]; then
              TITLE="변경 요청이 왔습니다"
              COLOR=$COLOR_CLOSED
            else
              TITLE="리뷰 코멘트가 달렸습니다"
              COLOR=$COLOR_REVIEW
            fi

            RAW_BODY="$(jq -r '.review.body // ""' "$GITHUB_EVENT_PATH")"
            CLEAN_BODY="$(clean_body "$RAW_BODY")"
            DESC="**${PR_TITLE}**"$'\n'"${CLEAN_BODY}"
            DESC="${DESC:0:400}"
            FIELDS="$(build_fields "$LABELS" "")"

          elif [ "$EVENT_NAME" = "pull_request_review_comment" ]; then
            RAW_AUTHOR="$(jq -r '.comment.user.login // ""' "$GITHUB_EVENT_PATH")"

            if [ "$RAW_AUTHOR" = "coderabbitai" ] || [ "$RAW_AUTHOR" = "coderabbitai[bot]" ]; then
              exit 0
            fi

            AUTHOR="$(resolve_name "$RAW_AUTHOR")"
            PR_TITLE="$(jq -r '.pull_request.title // ""' "$GITHUB_EVENT_PATH")"
            TITLE="PR 코멘트가 달렸습니다"
            URL="$(jq -r '.comment.html_url // ""' "$GITHUB_EVENT_PATH")"
            RAW_BODY="$(jq -r '.comment.body // ""' "$GITHUB_EVENT_PATH")"
            CLEAN_BODY="$(clean_body "$RAW_BODY")"
            DESC="**${PR_TITLE}**"$'\n'"${CLEAN_BODY}"
            DESC="${DESC:0:400}"
            COLOR=$COLOR_COMMENT
            FIELDS='[]'

          else
            RAW_AUTHOR="$(jq -r '.issue.user.login // ""' "$GITHUB_EVENT_PATH")"
            AUTHOR="$(resolve_name "$RAW_AUTHOR")"
            ISSUE_TITLE="$(jq -r '.issue.title // ""' "$GITHUB_EVENT_PATH")"
            TITLE="이슈가 열렸습니다"
            URL="$(jq -r '.issue.html_url // ""' "$GITHUB_EVENT_PATH")"
            RAW_BODY="$(jq -r '.issue.body // ""' "$GITHUB_EVENT_PATH")"
            CLEAN_BODY="$(clean_body "$RAW_BODY")"
            DESC="**${ISSUE_TITLE}**"$'\n'"${CLEAN_BODY}"
            DESC="${DESC:0:400}"
            COLOR=$COLOR_ISSUE
            LABELS="$(jq -r '[.issue.labels[].name] | join(", ")' "$GITHUB_EVENT_PATH")"
            FIELDS="$(build_fields "$LABELS" "")"
          fi

          jq -n \
            --arg title "$TITLE" \
            --arg url "$URL" \
            --arg desc "$DESC" \
            --arg author "$AUTHOR" \
            --arg avatar_user "$RAW_AUTHOR" \
            --arg timestamp "$(date -u +%Y-%m-%dT%H:%M:%SZ)" \
            --argjson color "$COLOR" \
            --argjson fields "$FIELDS" \
            '{
              embeds: [
                {
                  title: $title,
                  url: $url,
                  description: $desc,
                  color: $color,
                  author: {
                    name: $author,
                    icon_url: ("https://github.com/" + $avatar_user + ".png")
                  },
                  fields: $fields,
                  footer: {
                    text: "GitHub Actions"
                  },
                  timestamp: $timestamp
                }
              ]
            }' > payload.json

          curl \
            --fail-with-body \
            --silent --show-error \
            --connect-timeout 5 \
            --max-time 20 \
            --retry 3 \
            --retry-all-errors \
            -H "Content-Type: application/json" \
            -X POST \
            -d @payload.json \
            "$DISCORD_WEBHOOK_URL"