import { Prisma } from '@prisma/client';

export function asCustomFields(value: unknown): Record<string, unknown> {
  if (value && typeof value === 'object' && !Array.isArray(value)) {
    return value as Record<string, unknown>;
  }
  return {};
}

export function toJsonCustomFields(
  value?: Record<string, unknown> | null,
): Prisma.InputJsonValue {
  return (value ?? {}) as Prisma.InputJsonValue;
}

export function asAddresses(value: unknown): string[] {
  if (!Array.isArray(value)) return [];
  const out: string[] = [];
  for (const item of value) {
    const text = String(item ?? '').trim();
    if (text && !out.includes(text)) out.push(text);
    if (out.length >= 20) break;
  }
  return out;
}

export function toJsonAddresses(value?: string[] | null): Prisma.InputJsonValue {
  return asAddresses(value ?? []);
}

/** Collect address-like cells from an excel row into a unique list. */
export function collectAddresses(...parts: Array<string | undefined | null>): string[] {
  return asAddresses(parts.map((p) => (p ?? '').trim()).filter(Boolean));
}