/*
 * 백엔드 API 계약 타입 (단일 출처: _workspace/01_backend_contracts.md · 04_backend_public_auth.md)
 * ★ 백엔드 응답 shape과 정확히 일치해야 한다. 불일치 발견 시 _workspace/에 기록·보고.
 */

// ── 0-1 응답 봉투 ──
export interface ApiError {
  code: ApiErrorCode;
  message: string;
}
export interface ApiResponse<T> {
  success: boolean;
  data: T | null;
  error: ApiError | null;
}
export interface PageResponse<T> {
  items: T[];
  page: number;
  size: number;
  total: number;
}

// ── 0-2 오류 코드 ──
export type ApiErrorCode =
  | 'VALIDATION'
  | 'UNAUTHORIZED'
  | 'FORBIDDEN'
  | 'NOT_FOUND'
  | 'CONFLICT'
  | 'EMAIL_TAKEN'
  | 'COMPLIANCE_BLOCKED'
  | 'RENDER_QUOTA_EXCEEDED'
  | 'NOT_REGISTERED_COMPANY'
  | 'NOT_IMPLEMENTED'
  | 'ACCOUNT_LOCKED'
  | 'OTP_REQUIRED'
  | 'OTP_INVALID'
  | 'INTERNAL';

// ── 0-5 역할 ──
export type EventRole = 'ORGANIZER' | 'EXHIBITOR' | 'CONTRACTOR' | 'HALL_MANAGER';

// ── 2. 인증·워크스페이스 (SCR-01) ──
export interface WorkspaceDto {
  eventId: string;
  eventName: string;
  startDate: string;
  endDate: string;
  hallLabel: string;
  myRole: EventRole;
  dday: number;
}
export interface AuthUser {
  userId: string;
  displayName: string;
  hallManager: boolean;
}
export interface LoginResponse {
  accessToken: string;
  expiresInSeconds: number;
  user: AuthUser;
  workspaces: WorkspaceDto[];
}

// ── 공개 인증 (04_backend_public_auth.md) ──
export interface RegisterRequest {
  email: string;
  displayName: string;
  password: string;
  companyName?: string;
  inviteCode?: string;
}
export interface RegisterResponse {
  userId: string;
  email: string;
  displayName: string;
  joinedEvent: string | null;
}
export interface MessageResponse {
  message: string;
}

// ── 6. M5 나노바나나 RenderJob (SCR-06/12) ──
export type RenderJobStatus = 'QUEUED' | 'RUNNING' | 'DONE' | 'FAILED';
export interface RenderJobDto {
  jobId: string;
  boothId: string;
  shotPreset: string; // S1..S7
  status: RenderJobStatus;
  imageUrl: string | null;
  schemaHash: string | null;
  modelVersion: string | null;
  /** AI 생성 이미지 고지 — 항상 true (제거 불가). */
  watermarkRequired: boolean;
  watermarkText: string;
  notice?: string;
  createdAt?: string;
}

// ── 헬스체크 ──
export interface HealthDto {
  status: string;
  service: string;
  time: string;
}