import { ListTemplateKind } from '../templates/templates.models';

export interface UserListItem {
  id: string;
  sourceTemplateItemId?: string;
  title: string;
  notes?: string;
  quantity?: number;
  required: boolean;
  checked: boolean;
  checkedAt?: string;
  checkedByUserId?: string;
  checkedByName?: string;
  position: number;
  createdAt: string;
  updatedAt: string;
}

export type UserListAccessRole = 'owner' | 'collaborator';

export interface UserListCollaborator {
  id: string;
  name?: string;
  email: string;
  role: 'collaborator';
}

export interface UserList {
  id: string;
  ownerId: string;
  ownerName?: string;
  ownerEmail?: string;
  accessRole: UserListAccessRole;
  sourceTemplateId?: string;
  name: string;
  description?: string;
  kind: ListTemplateKind;
  items: UserListItem[];
  collaborators: UserListCollaborator[];
  createdAt: string;
  updatedAt: string;
}

export interface CreateListRequest {
  name: string;
  description?: string;
  kind?: ListTemplateKind;
}

export interface UpdateListRequest {
  name?: string;
  description?: string;
  kind?: ListTemplateKind;
}

export interface AddListItemRequest {
  title: string;
  notes?: string;
  quantity?: number;
  required?: boolean;
}

export interface ListItemSuggestion {
  title: string;
  notes?: string;
  quantity?: number;
  required: boolean;
}

export interface ListItemSuggestionsResponse {
  suggestions: ListItemSuggestion[];
}

export interface UpdateListItemRequest {
  title?: string;
  notes?: string;
  quantity?: number;
  required?: boolean;
  checked?: boolean;
}

// Wire contract for /api/lists/events. Keep this in sync with the API
// ListRealtimeEvent type; consumers should ignore unknown event types.
export type ListRealtimeEvent =
  | {
      type: 'list.snapshot';
      data: UserList;
    }
  | {
      type: 'list.deleted';
      data: { listId: string };
    }
  | {
      type: 'heartbeat';
      data: { at: string };
    };