import type { ProblemDetails } from '@gruperly/shared';
import { notFoundProblem } from './problem-details';
import { PROBLEM_DOMAIN } from './problem-domain';

export function validationProblem(params: {
  detail?: string;
  instance?: string;
  errors?: Record<string, string[]>;
}): ProblemDetails {
  return {
    type: `${PROBLEM_DOMAIN}/problems/validation`,
    title: 'Bad Request',
    status: 400,
    detail: params.detail ?? 'Invalid request data',
    instance: params.instance,
    errors: params.errors,
  };
}

export function conflictProblem(params: {
  detail: string;
  code?: string;
  instance?: string;
}): ProblemDetails {
  return {
    type: `${PROBLEM_DOMAIN}/problems/conflict`,
    title: 'Conflict',
    status: 409,
    detail: params.detail,
    instance: params.instance,
    code: params.code,
  };
}

export function forbiddenProblem(params: {
  detail: string;
  code?: string;
  instance?: string;
}): ProblemDetails {
  return {
    type: `${PROBLEM_DOMAIN}/problems/forbidden`,
    title: 'Forbidden',
    status: 403,
    detail: params.detail,
    instance: params.instance,
    code: params.code,
  };
}

export function organizationNotFoundProblem(id: string): ProblemDetails {
  return {
    type: `${PROBLEM_DOMAIN}/problems/organization-not-found`,
    title: 'Not Found',
    status: 404,
    detail: `Organization ${id} was not found.`,
    code: 'organization_not_found',
  };
}

export function groupOwnerRequiredProblem(): ProblemDetails {
  return forbiddenProblem({
    detail: 'Only the organization owner can create the group.',
    code: 'group_owner_required',
  });
}

export function databaseUnavailableProblem(params?: {
  instance?: string;
}): ProblemDetails {
  return {
    type: `${PROBLEM_DOMAIN}/problems/database-unavailable`,
    title: 'Service Unavailable',
    status: 503,
    detail: 'Database health check failed',
    instance: params?.instance,
    code: 'database_unavailable',
  };
}

export function noGroupAccessProblem(): ProblemDetails {
  return forbiddenProblem({
    detail: 'You do not have access to this group.',
    code: 'group_access_denied',
  });
}

export function notFoundResourceProblem(resourceName: string, id: string): ProblemDetails {
  return notFoundProblem(`${resourceName} ${id}`);
}

export function paymentNotSetupProblem(): ProblemDetails {
  return conflictProblem({
    detail: 'Vinculá una cuenta de cobro antes de crear tu primer grupo.',
    code: 'payment_not_setup',
  });
}

export function onboardingAlreadyCompletedProblem(): ProblemDetails {
  return conflictProblem({
    detail: 'Ya completaste el onboarding de Gruperly.',
    code: 'onboarding_already_completed',
  });
}

export function capacityReachedProblem(capacity: number | null): ProblemDetails {
  return conflictProblem({
    detail: capacity
      ? `El grupo alcanzó su cupo máximo de ${capacity} miembros.`
      : 'El grupo alcanzó su cupo máximo de miembros.',
    code: 'group_capacity_reached',
  });
}

export function alreadyWaitlistedProblem(): ProblemDetails {
  return conflictProblem({
    detail: 'Este número de teléfono ya está en la lista de espera del grupo.',
    code: 'already_waitlisted',
  });
}