import { Result } from '@/lib/contracts/Result';
import { OnboardingService } from '@/lib/services/onboarding/OnboardingService';
import type { Mutation } from '@/lib/contracts/mutations/Mutation';

export interface CompleteOnboardingCommand {
  firstName: string;
  lastName: string;
  displayName: string;
  country: string;
  timezone?: string;
  bio?: string;
}

export type CompleteOnboardingMutationError = 'onboardingFailed';

export class CompleteOnboardingMutation
  implements
    Mutation<
      CompleteOnboardingCommand,
      void,
      CompleteOnboardingMutationError
    >
{
  private readonly service: OnboardingService;

  constructor() {
    this.service = new OnboardingService();
  }

  async execute(
    command: CompleteOnboardingCommand,
  ): Promise<Result<void, CompleteOnboardingMutationError>> {
    try {
      const result = await this.service.completeOnboarding({
        firstName: command.firstName,
        lastName: command.lastName,
        displayName: command.displayName,
        country: command.country,
        timezone: command.timezone,
        bio: command.bio,
      });

      if (result.isErr()) {
        return Result.err('onboardingFailed');
      }

      return Result.ok(undefined);
    } catch (error) {
      return Result.err('onboardingFailed');
    }
  }
}