@startuml meeting-회의록상세조회
!theme mono

title Meeting Service - 회의록상세조회 내부 시퀀스

participant "MinutesController" as Controller
participant "MinutesService" as Service
participant "MinutesRepository" as MinutesRepo
participant "SectionRepository" as SectionRepo
participant "RelatedMinutesService" as RelatedService
database "Meeting DB<<E>>" as DB
database "Redis Cache<<E>>" as Cache

[-> Controller: GET /minutes/{minutesId}
activate Controller

note over Controller
경로 변수: minutesId
사용자 정보: userId, userName, email
end note

Controller -> Controller: minutesId 유효성 검증

Controller -> Service: getMinutesDetail(minutesId, userId)
activate Service

' 캐시 조회
Service -> Cache: GET minutes:detail:{minutesId}
activate Cache
Cache --> Service: 캐시 조회 결과
deactivate Cache

alt Cache Hit
    Service -> Service: 권한 확인\n(캐시 데이터에서)

    alt 권한 없음
        Service --> Controller: 403 Forbidden\n조회 권한 없음
        return 403 Forbidden
    else 권한 있음
        Service --> Controller: MinutesDetailResponse\n(캐시 데이터)
        return 200 OK
    end
else Cache Miss
    ' 회의록 기본 정보 조회
    Service -> MinutesRepo: findByIdWithMeeting(minutesId)
    activate MinutesRepo
    MinutesRepo -> DB: SELECT m.*, mt.*\nFROM minutes m\nJOIN meetings mt ON m.meetingId = mt.id\nWHERE m.id = ?
    activate DB
    DB --> MinutesRepo: 회의록 및 회의 정보
    deactivate DB
    MinutesRepo --> Service: Minutes + Meeting
    deactivate MinutesRepo

    note over Service
    비즈니스 규칙 검증:
    - 회의록 존재 확인
    - 조회 권한 확인
      * 생성자
      * 참석자
      * 공유받은 사용자
    end note

    Service -> Service: 회의록 존재 확인

    ' 권한 확인
    Service -> MinutesRepo: hasAccessPermission(minutesId, userId)
    activate MinutesRepo
    MinutesRepo -> DB: SELECT COUNT(*) FROM (\n  SELECT 1 FROM minutes WHERE id = ? AND creatorId = ?\n  UNION\n  SELECT 1 FROM participants p JOIN meetings m\n    ON p.meetingId = m.id JOIN minutes mi\n    ON mi.meetingId = m.id\n    WHERE mi.id = ? AND p.userId = ?\n  UNION\n  SELECT 1 FROM shared_minutes\n    WHERE minutesId = ? AND sharedWith = ?\n) AS access
    activate DB
    DB --> MinutesRepo: 권한 확인 결과
    deactivate DB
    MinutesRepo --> Service: boolean hasAccess
    deactivate MinutesRepo

    alt 권한 없음
        Service --> Controller: 403 Forbidden\n조회 권한 없음
        return 403 Forbidden
    else 권한 있음
        ' 참석자 목록 조회
        Service -> MinutesRepo: findParticipants(minutesId)
        activate MinutesRepo
        MinutesRepo -> DB: SELECT p.*, u.name, u.email\nFROM participants p\nJOIN meetings m ON p.meetingId = m.id\nJOIN minutes mi ON mi.meetingId = m.id\nJOIN users u ON p.userId = u.id\nWHERE mi.id = ?
        activate DB
        DB --> MinutesRepo: 참석자 목록
        deactivate DB
        MinutesRepo --> Service: List<Participant>
        deactivate MinutesRepo

        ' 섹션별 상세 내용 조회
        Service -> SectionRepo: findSectionsByMinutesId(minutesId)
        activate SectionRepo
        SectionRepo -> DB: SELECT * FROM minutes_sections\nWHERE minutesId = ?\nORDER BY sectionOrder
        activate DB
        DB --> SectionRepo: 섹션 목록
        deactivate DB
        SectionRepo --> Service: List<Section>
        deactivate SectionRepo

        ' AI 요약 정보 조회
        Service -> SectionRepo: findAISummaries(minutesId)
        activate SectionRepo
        SectionRepo -> DB: SELECT * FROM ai_summaries\nWHERE minutesId = ?\nORDER BY sectionId
        activate DB
        DB --> SectionRepo: AI 요약 목록
        deactivate DB
        SectionRepo --> Service: List<AISummary>
        deactivate SectionRepo

        ' 관련 회의록 조회
        Service -> RelatedService: findRelatedMinutes(minutesId, limit: 3)
        activate RelatedService

        note over RelatedService
        관련 회의록 검색 로직:
        - 벡터 유사도 기반 검색 (AI 서비스 호출)
        - 관련도 70% 이상
        - 최대 3개
        end note

        RelatedService -> DB: SELECT * FROM related_minutes\nWHERE minutesId = ?\nAND similarityScore >= 0.7\nORDER BY similarityScore DESC\nLIMIT 3
        activate DB
        DB --> RelatedService: 관련 회의록 목록
        deactivate DB
        RelatedService --> Service: List<RelatedMinutes>
        deactivate RelatedService

        ' 조회 이력 기록
        Service -> MinutesRepo: recordViewHistory(minutesId, userId)
        activate MinutesRepo
        MinutesRepo -> DB: INSERT INTO view_history\n(minutesId, userId, viewedAt)\nVALUES (?, ?, NOW())
        activate DB
        DB --> MinutesRepo: 기록 완료
        deactivate DB
        MinutesRepo --> Service: 기록 성공
        deactivate MinutesRepo

        note over Service
        데이터 조합:
        - 기본 정보
        - 참석자 목록
        - 섹션별 내용
        - AI 요약
        - 관련 회의록
        - 권한 정보 (수정 가능 여부)
        end note

        Service -> Service: 상세 응답 DTO 구성

        ' 캐시 저장
        Service -> Cache: SET minutes:detail:{minutesId}\n(TTL: 10분)
        activate Cache
        Cache --> Service: 캐싱 완료
        deactivate Cache

        Service --> Controller: MinutesDetailResponse
        deactivate Service

        note over Controller
        응답 데이터:
        {
          "minutesId": "uuid",
          "meeting": {...},
          "participants": [...],
          "sections": [...],
          "aiSummaries": [...],
          "relatedMinutes": [...],
          "permissions": {
            "canEdit": true/false,
            "canShare": true/false
          },
          "status": "FINALIZED",
          "version": "v1.0"
        }
        end note

        return 200 OK\nMinutesDetailResponse
    end
end

deactivate Controller

@enduml