import type { AnalyzeBsNsrUrlContext, TaxerTicketForNsr } from "../types/taxerTicket";

export const BS_NSR_ABOUT_BLANK = "about:blank";

/**
 * 与 WPF `Analize_URL` 一致：按模板替换占位符；`ticket == null` 或空模板时返回 `about:blank`。
 */
export function analyzeBsNsrUrl(
  ticket: TaxerTicketForNsr | null,
  ctx: AnalyzeBsNsrUrlContext,
): string {
  if (!ticket) {
    return BS_NSR_ABOUT_BLANK;
  }

  const template = ctx.bsNsrUrlTemplate.trim();
  if (!template) {
    return BS_NSR_ABOUT_BLANK;
  }

  const sflb = ticket.isEnterprise === 1 ? "1" : "2";
  return template
    .replace(/\{djxh\}/g, ticket.enterpriseId)
    .replace(/\{sfzhm\}/g, ctx.taxerIdCard)
    .replace(/\{sflb\}/g, sflb)
    .replace(/\{swjgDm\}/g, ctx.bsTaxAuthorityNum)
    .replace(/\{qhhm\}/g, ticket.tktId)
    .replace(/\{sjhm\}/g, ctx.phoneNo);
}

/** 拼接结果是否为可导航的 http(s) URL */
export function isNavigableHttpUrl(url: string): boolean {
  if (!url || url === BS_NSR_ABOUT_BLANK) {
    return false;
  }
  try {
    const parsed = new URL(url);
    return parsed.protocol === "http:" || parsed.protocol === "https:";
  } catch {
    return false;
  }
}

/** 与 WPF `Source.AbsoluteUri` 比较一致，避免重复导航 */
export function normalizeUrlForCompare(url: string): string {
  if (!url || url === BS_NSR_ABOUT_BLANK) {
    return BS_NSR_ABOUT_BLANK;
  }
  try {
    return new URL(url).href;
  } catch {
    return url.trim();
  }
}