import { ICourseRegistration, ICourseVersion } from '#root/shared/interfaces/models.js';
import { ClientSession } from 'mongodb';

export interface ICourseRegistrationRepository {
  findByUserId(
    userId: string,
    versionId: string,
    session?: ClientSession,
  ): Promise<ICourseRegistration>;
  findPendingRequestsByUserId(
    userId: string,
    versionId: string,
    session?: ClientSession,
  ): Promise<ICourseRegistration>;
  create(data: ICourseRegistration, session?: ClientSession): Promise<string>;
  getRegistration(
    registrationId: string,
    session?: ClientSession,
  ): Promise<ICourseRegistration | null>;
  findAllregistrations(
    version: ICourseVersion,
    filter: { status?: string; search?: string },
    skip: number,
    limit: number,
    sort: 'older' | 'latest',
    session?: ClientSession,
  ): Promise<{ registrations: ICourseRegistration[]; totalDocuments: number }>;
  updateStatus(
    registrationId: string,
    status: 'PENDING' | 'APPROVED' | 'REJECTED',
    session?: ClientSession,
  ): Promise<ICourseRegistration>;
  updateBulkStatus(
    registrationIds: string[],
    session?: ClientSession,
  ): Promise<number>;
  remove(userId: string, courseId: string, versionId: string, session?: ClientSession)
  deleteRegistrationByVersionId(versionId: string, session?: ClientSession)
  getPendingRegistrations(
    instructorId: string,
    session?: ClientSession,
  ): Promise<any[]>;
  getPendingRegistrationsByStudent(
    studentId: string,
    session?: ClientSession,
  ): Promise<any[]>;
  getRejectedRegistrationsByStudent(
    studentId: string,
    session?: ClientSession,
  ): Promise<any[]>;
  getUnreadApprovedRegistrations(
    studentId: string,
    session?: ClientSession,
  ): Promise<any[]>;
  markNotificationAsRead(
    registrationId: string,
    session?: ClientSession,
  ): Promise<boolean>;
  findPendingRequestsByUserIdAndCohort(
    userId: string,
    versionId: string,
    cohort?:string,
    session?: ClientSession,
  ): Promise<ICourseRegistration>;
}