import { Injectable, NotFoundException } from '@nestjs/common';
import { TripMembersRepository } from './trip-members.repository';
import type {
  TripMember,
  TripMemberRole,
  TripMemberStatus,
} from './trip.types';

@Injectable()
export class TripMembersService {
  constructor(private readonly repository: TripMembersRepository) {}

  listMembers(tripId: string): Promise<TripMember[]> {
    return this.repository.listByTrip(tripId);
  }

  async updateMember(
    tripId: string,
    memberId: string,
    patch: { role?: TripMemberRole; status?: TripMemberStatus },
  ): Promise<TripMember> {
    const updated = await this.repository.updateRoleOrStatus(
      tripId,
      memberId,
      patch,
    );
    if (!updated) throw new NotFoundException('Trip member not found');
    return updated;
  }

  removeMember(tripId: string, memberId: string): Promise<void> {
    return this.repository.remove(tripId, memberId);
  }
}