/** GD-15：Mothership 报价入口 URL 解析与校验 */

import { assertRpaSelectorsEnv } from "@/lib/rpa/selectors";

const FORBIDDEN_QUOTE_URL_PATTERNS: RegExp[] = [
  /dashboard\.mothership\.com/i,
  /www\.mothership\.com\/quote/i,
];

export function parseMothershipQuoteUrls(raw: string | undefined): string[] {
  if (!raw?.trim()) {
    return [];
  }
  return raw
    .split(",")
    .map((item) => item.trim())
    .filter(Boolean);
}

export function isForbiddenQuoteUrl(url: string): boolean {
  return FORBIDDEN_QUOTE_URL_PATTERNS.some((pattern) => pattern.test(url));
}

export function validateMothershipQuoteUrls(urls: string[]): string[] {
  const errors: string[] = [];
  if (urls.length === 0) {
    errors.push("MOTHERSHIP_QUOTE_URLS 未配置或为空");
    return errors;
  }

  for (const url of urls) {
    try {
      new URL(url);
    } catch {
      errors.push(`无效的报价入口 URL: ${url}`);
      continue;
    }
    if (isForbiddenQuoteUrl(url)) {
      errors.push(
        `禁止的报价入口 URL（GD-15）: ${url}；须使用 headed 录制验证的匿名公开入口`,
      );
    }
  }

  return errors;
}

/** rpa-worker 启动前 fail-fast（RPA_MOCK_MODE=true 时跳过） */
export function assertRpaWorkerEnv(): void {
  if (process.env.RPA_MOCK_MODE === "true") {
    return;
  }

  const urlErrors = validateMothershipQuoteUrls(
    parseMothershipQuoteUrls(process.env.MOTHERSHIP_QUOTE_URLS),
  );
  if (urlErrors.length > 0) {
    throw new Error(`[rpa-worker] ${urlErrors.join("；")}`);
  }

  assertRpaSelectorsEnv();

  const legacy = process.env.MOTHERSHIP_QUOTE_URL?.trim();
  if (legacy && isForbiddenQuoteUrl(legacy)) {
    throw new Error(
      `[rpa-worker] 禁止的 MOTHERSHIP_QUOTE_URL（GD-15）: ${legacy}`,
    );
  }
}

/** 基线兼容：取 URL 列表首项，否则回退已废弃的 MOTHERSHIP_QUOTE_URL */
export function getPrimaryMothershipQuoteUrl(): string {
  const urls = parseMothershipQuoteUrls(process.env.MOTHERSHIP_QUOTE_URLS);
  if (urls[0]) {
    return urls[0];
  }

  const legacy = process.env.MOTHERSHIP_QUOTE_URL?.trim();
  if (legacy) {
    return legacy;
  }

  throw new Error("报价入口 URL 未配置（MOTHERSHIP_QUOTE_URLS）");
}

export const RPA_SELECTOR_ENV_KEYS = [
  "RPA_SELECTOR_PICKUP_STREET",
  "RPA_SELECTOR_DELIVERY_STREET",
  "RPA_SELECTOR_ADDRESS_SUGGESTION",
  "RPA_SELECTOR_SUBMIT",
  /** @deprecated Network-First：报价不再使用 tab/price selector */
  "RPA_SELECTOR_STANDARD_TAB",
  "RPA_SELECTOR_GUARANTEED_TAB",
  "RPA_SELECTOR_LOWEST_OPTION",
  "RPA_SELECTOR_FASTEST_OPTION",
  "RPA_SELECTOR_PRICE",
  "RPA_SELECTOR_QUOTE_WIDGET",
] as const;

/** worker 启动必填（仅填表 + submit；报价来自 network layer） */
export const RPA_REQUIRED_SELECTOR_ENV_KEYS = [
  "RPA_SELECTOR_PICKUP_STREET",
  "RPA_SELECTOR_DELIVERY_STREET",
  "RPA_SELECTOR_ADDRESS_SUGGESTION",
  "RPA_SELECTOR_SUBMIT",
  "RPA_SELECTOR_QUOTE_WIDGET",
] as const;

export const DEFAULT_RPA_STORAGE_STATE_PATH = ".rpa/mothership-storage.json";

/** MotherShip 报价 widget 强制 locale；默认 en-US 抑制翻译干扰 */
export function getRpaBrowserLocale(): string {
  const raw = process.env.RPA_BROWSER_LOCALE?.trim();
  return raw || "en-US";
}

/** RPA 浏览器会话配置：headed 调试是否保留窗口（唯一来源） */
export function shouldKeepBrowserOpen(): boolean {
  if (process.env.RPA_KEEP_BROWSER_OPEN === "true") {
    return true;
  }
  if (process.env.RPA_KEEP_BROWSER_OPEN === "false") {
    return false;
  }
  return isRpaHeaded();
}

/**
 * 有头调试：RPA_HEADED=true 或 RPA_HEADLESS=false
 * （与 MotherShip logged-in 观测模式一致）
 */
export function isRpaHeaded(): boolean {
  if (process.env.RPA_HEADED === "true") {
    return true;
  }
  return process.env.RPA_HEADLESS === "false";
}

/** Playwright launch 用：有头时 false */
export function resolveRpaHeadless(): boolean {
  return !isRpaHeaded();
}

/**
 * 有头默认 slowMo=200（便于肉眼跟手）；无头不设；可用 RPA_SLOW_MO_MS 覆盖
 */
export function resolveRpaSlowMoMs(): number | undefined {
  const raw = process.env.RPA_SLOW_MO_MS?.trim();
  if (raw !== undefined && raw !== "" && Number.isFinite(Number(raw))) {
    const n = Number(raw);
    return n > 0 ? n : undefined;
  }
  return isRpaHeaded() ? 200 : undefined;
}

/** Worker headless 默认保活 Browser 实例，避免候选/询价 job 间冷启动 */
export function shouldKeepBrowserWarm(): boolean {
  if (process.env.RPA_KEEP_BROWSER_WARM === "false") {
    return false;
  }
  if (process.env.RPA_KEEP_BROWSER_WARM === "true") {
    return true;
  }
  return process.env.RPA_HEADLESS !== "false";
}

/** 进程内驻留页加速（实验性，默认关；需 worker + confirm 全链路才生效） */
export function isParkedSessionEnabled(): boolean {
  return process.env.RPA_PARKED_SESSION === "true";
}

export type PlaceFixMode = "event" | "state" | "legacy";

/** place commit 修复模式：event=Google事件触发(默认) | state=React注入 | legacy=原逻辑 */
export function getRpaPlaceFixMode(): PlaceFixMode {
  const mode = process.env.RPA_PLACE_FIX_MODE?.trim().toLowerCase();
  if (mode === "state" || mode === "legacy") {
    return mode;
  }
  return "event";
}

export type RpaQuoteMode = "direct" | "widget";

/**
 * 报价模式（兼容旧配置；报价路径恒为 Direct 优先 → Widget fallback）。
 * `widget` 不再表示「默认走 Widget 报价」，仅保留 env 兼容。
 */
export function getRpaQuoteMode(): RpaQuoteMode {
  const mode = process.env.RPA_QUOTE_MODE?.trim().toLowerCase();
  if (mode === "widget") {
    return "widget";
  }
  return "direct";
}

export function isAxelDirectQuoteMode(): boolean {
  return getRpaQuoteMode() === "direct";
}

/** API 侧 inline direct quote 快乐路径；默认开启，失败再回退队列 */
export function isInlineDirectQuoteEnabled(): boolean {
  const raw = process.env.RPA_INLINE_DIRECT_QUOTE?.trim().toLowerCase();
  return raw !== "false" && raw !== "0";
}

/** Widget 报价 fallback 是否启用（Direct 失败后）；默认 true */
export function isWidgetQuoteFallbackEnabled(): boolean {
  const raw = process.env.RPA_DISABLE_WIDGET_QUOTE_FALLBACK?.trim().toLowerCase();
  return raw !== "true" && raw !== "1";
}

/** 方案 A：widget 双地址 vault + setState 拦截（widget 模式默认开启） */
export function isDualAddressPatchEnabled(): boolean {
  if (isRpaAddressRushMode()) {
    return false;
  }
  const explicit = process.env.RPA_DUAL_ADDRESS_PATCH?.trim().toLowerCase();
  if (explicit === "false") {
    return false;
  }
  if (explicit === "true") {
    return true;
  }
  return false;
}

/** 可视验收冲刺：填址+货物后直接点报价，跳过锁定/契约/后端检测闸门 */
export function isRpaVisualRushMode(): boolean {
  return process.env.RPA_VISUAL_RUSH === "true";
}

/** 20s 目标：单查询联想 + 短超时 + 跳过 Direct 重试（探针/热路径） */
export function isRpaFastQuoteMode(): boolean {
  return process.env.RPA_FAST_QUOTE === "true";
}

/** 填址/货物 rush 闸门（visual-rush 与 fast-quote 共用） */
export function isRpaAddressRushMode(): boolean {
  return isRpaVisualRushMode() || isRpaFastQuoteMode();
}

/** 盲执行：填址→点联想→继续，不检测 chip/commit，仅最终验报价 */
export function isRpaBlindAddressFlow(): boolean {
  const raw = process.env.RPA_BLIND_ADDRESS_FLOW?.trim().toLowerCase();
  if (raw === "false") {
    return false;
  }
  if (raw === "true") {
    return true;
  }
  return isRpaFastQuoteMode() || isRpaVisualRushMode();
}

function isValidMothershipOptionId(id: string | undefined): boolean {
  const trimmed = id?.trim() ?? "";
  if (!trimmed) {
    return false;
  }
  if (trimmed.startsWith("ms_")) {
    return false;
  }
  return true;
}

/** embed-demo / 消歧弹窗已选 MotherShip 候选：两侧均有真实 optionId */
export function isPreconfirmedMothershipQuote(
  req: Pick<
    import("@/modules/providers/quote-provider").QuoteRequest,
    "pickup" | "delivery"
  >,
): boolean {
  const pickupId =
    req.pickup.mothershipOptionId?.trim() || req.pickup.placeId?.trim();
  const deliveryId =
    req.delivery.mothershipOptionId?.trim() ||
    req.delivery.placeId?.trim();
  return (
    req.pickup.selectedFromMothership === true &&
    req.delivery.selectedFromMothership === true &&
    isValidMothershipOptionId(pickupId) &&
    isValidMothershipOptionId(deliveryId)
  );
}

/** 环境变量或已确认 MotherShip 候选时启用 blind-flow */
export function resolveBlindAddressFlow(
  req?: Pick<
    import("@/modules/providers/quote-provider").QuoteRequest,
    "pickup" | "delivery"
  >,
): boolean {
  if (isRpaBlindAddressFlow()) {
    return true;
  }
  return Boolean(req && isPreconfirmedMothershipQuote(req));
}

export type BlindAddressFlowCarrier = {
  state?: { blindAddressFlow?: boolean };
};

/** 当前任务是否走 blind 地址流（含 embed 已确认候选） */
export function isBlindAddressFlowActive(
  carrier?: BlindAddressFlowCarrier,
): boolean {
  return (
    isRpaBlindAddressFlow() || carrier?.state?.blindAddressFlow === true
  );
}

/** 跳过 Direct axel/quote，直接 Widget 抓价（Direct 已知 400 的探针用） */
export function isRpaSkipDirectQuote(): boolean {
  return (
    process.env.RPA_SKIP_DIRECT_QUOTE === "true" || isRpaFastQuoteMode()
  );
}

/** 联想等待（毫秒）；RPA_SUGGESTION_TIMEOUT_MS 优先，fast-quote 默认 1s */
export function resolveAddressSuggestionTimeoutMs(defaultMs: number): number {
  const raw = process.env.RPA_SUGGESTION_TIMEOUT_MS?.trim();
  if (raw && Number.isFinite(Number(raw)) && Number(raw) > 0) {
    return Number(raw);
  }
  if (isRpaFastQuoteMode()) {
    return 1_000;
  }
  return defaultMs;
}

/** axel search 结果等待（毫秒） */
export function resolveAxelSearchWaitMs(
  side: "pickup" | "delivery",
  preknown: boolean,
): number {
  if (isRpaFastQuoteMode()) {
    return 400;
  }
  if (preknown) {
    return 800;
  }
  if (side === "delivery") {
    return 1_500;
  }
  return 8_000;
}

/** visual-rush 下报价网络等待；基准脚本可设 RPA_BENCHMARK_QUOTE_MS 拉长抓价 */
export function resolveRpaQuoteCaptureMs(defaultMs: number): number {
  const bench = Number(process.env.RPA_BENCHMARK_QUOTE_MS);
  if (Number.isFinite(bench) && bench > 0) {
    return bench;
  }
  if (isRpaVisualRushMode() || isRpaFastQuoteMode()) {
    return 3_000;
  }
  return defaultMs;
}

/** 基准/生产：必须抓到 axel 档位，禁止 sign-up-quote 空报价放行 */
export function isRpaRequireQuoteRates(): boolean {
  return process.env.RPA_REQUIRE_QUOTE_RATES === "true";
}

/** 人工对照：地址步 rush，submit 前走 cargo+business-ready */
export function isRpaHumanSubmitStrict(): boolean {
  return process.env.RPA_HUMAN_SUBMIT_STRICT === "true";
}