import { asArray, asRecord } from "../utils/campaignView";

export function formatAddressList(value: unknown): string {
  return asArray(value).map(asRecord).map(formatSingleAddress).filter(Boolean).join(", ");
}

export function formatSingleAddress(value: unknown): string {
  const address = asRecord(value);
  const email = String(address.email ?? "").trim();
  const name = String(address.name ?? "").trim();
  if (name && email) return `${name} <${email}>`;
  return email || name;
}

export function countResolvedAttachments(value: unknown): number {
  const archives = new Set<string>();
  let directCount = 0;
  for (const item of asArray(value)) {
    const attachment = asRecord(item);
    const zipFilename = String(attachment.zip_filename ?? "").trim();
    const managedCount = asArray(attachment.managed_matches).length;
    const matchCount = asArray(attachment.matches).length;
    if (zipFilename && (managedCount > 0 || matchCount > 0)) {
      archives.add(zipFilename);
      continue;
    }
    if (managedCount > 0) {
      directCount += managedCount;
      continue;
    }
    directCount += matchCount;
  }
  return directCount + archives.size;
}

export function numberFrom(record: Record<string, unknown>, keys: string[]): number {
  for (const key of keys) {
    const value = record[key];
    if (typeof value === "number" && Number.isFinite(value)) return value;
    if (
      typeof value === "string" &&
      value.trim() &&
      Number.isFinite(Number(value))
    ) {
      return Number(value);
    }
  }
  return 0;
}

export function numberOrUndefined(value: unknown): number | undefined {
  if (typeof value === "number" && Number.isFinite(value)) return value;
  if (
    typeof value === "string" &&
    value.trim() &&
    Number.isFinite(Number(value))
  ) {
    return Number(value);
  }
  return undefined;
}

export function stringOrUndefined(value: unknown): string | undefined {
  if (typeof value !== "string") return undefined;
  return value.trim() || undefined;
}