import type { AttributedValue } from "@fello/contracts";

export function formatValue(field: AttributedValue | undefined | null): string {
  if (!field || field.value === null || field.value === undefined || field.value === "") {
    return "Unknown";
  }

  return String(field.value);
}

export function formatScore(value: number | null | undefined): string {
  if (value === null || value === undefined) {
    return "Unavailable";
  }

  return value.toFixed(1);
}

export function formatConfidence(value: number | null | undefined): string {
  if (value === null || value === undefined) {
    return "0%";
  }

  return `${Math.round(value * 100)}%`;
}

export function toCompanyLines(
  companies: Array<{ company_name: string; partial_domain?: string | null }>,
): string {
  return companies
    .map((company) =>
      company.partial_domain
        ? `${company.company_name}, ${company.partial_domain}`
        : company.company_name,
    )
    .join("\n");
}