/**
 * Complete Onboarding Mutation
 *
 * Framework-agnostic mutation for completing onboarding.
 * Called from Server Actions.
 *
 * Pattern: Server Action → Mutation → Service → API Client
 */

import { Result } from '@/lib/contracts/Result';
import { OnboardingService } from '@/lib/services/onboarding/OnboardingService';
import { CompleteOnboardingInputDTO } from '@/lib/types/generated/CompleteOnboardingInputDTO';
import { CompleteOnboardingViewDataBuilder } from '@/lib/builders/view-data/CompleteOnboardingViewDataBuilder';
import { CompleteOnboardingViewData } from '@/lib/builders/view-data/CompleteOnboardingViewData';

export class CompleteOnboardingMutation {
  async execute(params: CompleteOnboardingInputDTO): Promise<Result<CompleteOnboardingViewData, string>> {
    try {
      const onboardingService = new OnboardingService();
      const result = await onboardingService.completeOnboarding(params);
      
      if (result.isErr()) {
        const error = result.getError();
        return Result.err(error.message || 'Failed to complete onboarding');
      }
      
      const output = CompleteOnboardingViewDataBuilder.build(result.unwrap());
      return Result.ok(output);
    } catch (error) {
      const errorMessage = error instanceof Error ? error.message : 'Failed to complete onboarding';
      return Result.err(errorMessage);
    }
  }
}