import type { Page } from "playwright";
import {
  isRpaAddressRushMode,
  isRpaBlindAddressFlow,
} from "@/lib/rpa/env";
import { pageLocator } from "@/lib/rpa/locator";
import {
  clickFirstVisibleFromSpecs,
  getSelectorSpecs,
} from "@/lib/rpa/selector-specs";
import { dismissCargoPopoverOnly } from "@/workers/rpa/cargo-lock";
import { scrollQuoteWidgetIntoView } from "@/workers/rpa/page-prep";

import type { QuoteSubmitOptions } from "@/workers/rpa/quote-capture/types";

const DEFAULT_WIDGET = "#react-quoter-landing-plugin";

/** 提交前 widget 是否仍含双地址 + 货物步（防误触后退/刷新后空表单） */
export async function isWidgetQuoteFormReady(
  page: Page,
  widgetSelector = DEFAULT_WIDGET,
): Promise<boolean> {
  const text = ((await pageLocator(page, widgetSelector).innerText().catch(
    () => "",
  )) || "")
    .replace(/\s+/g, " ")
    .trim();
  const stateHits = text.match(/,\s*[A-Z]{2}\b/g) ?? [];
  return (
    /Deliver to/i.test(text) &&
    /Freight details/i.test(text) &&
    stateHits.length >= 2
  );
}

/**
 * 提交前准备：仅收起仍打开的货物弹层 + 滚入视口。
 * 禁止点击 Freight details / 坐标盲点（会重开向导或触发后退）。
 */
export async function prepareWidgetForQuoteSubmit(
  page: Page,
  widgetSelector = DEFAULT_WIDGET,
): Promise<void> {
  await dismissCargoPopoverOnly(page, widgetSelector);
  await scrollQuoteWidgetIntoView(page, { force: true });
}

/**
 * 点击 widget 主栏绿色「Get a freight quote」（多策略 + enabled 检查）。
 */
export async function clickWidgetQuoteSubmitButton(
  page: Page,
  widgetSelector = DEFAULT_WIDGET,
  options?: Pick<QuoteSubmitOptions, "blindAddressFlow">,
): Promise<boolean> {
  await prepareWidgetForQuoteSubmit(page, widgetSelector);

  const rushOrBlind =
    isRpaAddressRushMode() ||
    isRpaBlindAddressFlow() ||
    options?.blindAddressFlow === true;
  if (!(await isWidgetQuoteFormReady(page, widgetSelector))) {
    if (rushOrBlind) {
      console.log(
        "[rpa] submit: blind/rush — 跳过表单就绪检测，直接尝试点击报价",
      );
    } else {
      console.log(
        "[rpa] submit: 警告 — widget 表单未就绪（地址可能已被重置），取消点击以免空提交",
      );
      return false;
    }
  }

  const widget = pageLocator(page, widgetSelector);

  const candidates: Array<{ label: string; loc: ReturnType<typeof pageLocator> }> =
    [
      {
        label: "widget-get-a-freight-quote",
        loc: widget.getByRole("button", { name: /Get a freight quote/i }).first(),
      },
      {
        label: "widget-get-freight-quote",
        loc: widget.getByRole("button", { name: /Get freight quote/i }).first(),
      },
      {
        label: "widget-get-quote",
        loc: widget.getByRole("button", { name: /^GET QUOTE$/i }).first(),
      },
      {
        label: "widget-text-filter",
        loc: widget
          .locator("button")
          .filter({ hasText: /Get a freight quote/i })
          .first(),
      },
    ];

  for (const { label, loc } of candidates) {
    if (!(await loc.isVisible().catch(() => false))) {
      continue;
    }
    const disabled = await loc.isDisabled().catch(() => false);
    if (disabled) {
      console.log(`[rpa] submit: ${label} 可见但 disabled，跳过`);
      continue;
    }
    await loc.scrollIntoViewIfNeeded().catch(() => undefined);
    try {
      await loc.click({ force: true, timeout: 8_000 });
      console.log(`[rpa] submit: 已点击 ${label}`);
      return true;
    } catch (error) {
      console.log(
        `[rpa] submit: ${label} 点击失败 — ${error instanceof Error ? error.message : String(error)}`,
      );
    }
  }

  const fallback = await clickFirstVisibleFromSpecs(
    page,
    getSelectorSpecs("RPA_SELECTOR_SUBMIT"),
  );
  if (fallback) {
    console.log("[rpa] submit: 已通过 RPA_SELECTOR_SUBMIT 回退点击");
  }
  return fallback;
}