import type { ITeamMembershipRepository } from '../../domain/repositories/ITeamMembershipRepository';
import type { LeaveTeamCommandDTO } from '../dto/TeamCommandAndQueryDTO';

export class LeaveTeamUseCase {
  constructor(
    private readonly membershipRepository: ITeamMembershipRepository,
  ) {}

  async execute(command: LeaveTeamCommandDTO): Promise<void> {
    const { teamId, driverId } = command;

    const membership = await this.membershipRepository.getMembership(teamId, driverId);
    if (!membership) {
      throw new Error('Not a member of this team');
    }

    if (membership.role === 'owner') {
      throw new Error(
        'Team owner cannot leave. Transfer ownership or disband team first.',
      );
    }

    await this.membershipRepository.removeMembership(teamId, driverId);
  }
}