import { useEffect } from "react";
import { Linking } from "react-native";
import { SheetManager } from "react-native-actions-sheet";
import {
  markStartupExplicitTarget,
  resolveStartupNavigationSource,
  rootNavigationRef,
  stackAwareNavigate,
} from "@/lib/rootNavigation";
import {
  parseStartupDeepLinkIntent,
  type StartupDeepLinkIntent,
} from "@/lib/startupDeepLink";

const MAX_NAVIGATION_READY_RETRIES = 8;
const NAVIGATION_READY_RETRY_DELAY_MS = 250;

function navigateWhenReady(
  callback: () => void,
  retryCount = 0,
): void {
  if (!rootNavigationRef.isReady()) {
    if (retryCount < MAX_NAVIGATION_READY_RETRIES) {
      setTimeout(
        () =>
          navigateWhenReady(
            callback,
            retryCount + 1,
          ),
        NAVIGATION_READY_RETRY_DELAY_MS,
      );
    }
    return;
  }
  callback();
}

function useStartupDeepLinkNavigation(): void {
  useEffect(() => {
    const openFelicaPage = (retryCount = 0): void => {
      if (!rootNavigationRef.isReady()) {
        if (retryCount < MAX_NAVIGATION_READY_RETRIES) {
          setTimeout(
            () => openFelicaPage(retryCount + 1),
            NAVIGATION_READY_RETRY_DELAY_MS,
          );
        }
        return;
      }

      stackAwareNavigate("topMenu", {
        screen: "setting",
        params: {
          screen: "FelicaHistoryPage",
        },
      });
    };

    const startupRouteActions: Record<StartupDeepLinkIntent, () => void> = {
      felicaHistory: openFelicaPage,
      trainInfo: () => {
        stackAwareNavigate("topMenu", { screen: "menu" });
        setTimeout(() => {
          SheetManager.show("JRSTraInfo");
        }, 450);
      },
      operation: () => stackAwareNavigate("information"),
      settings: () =>
        stackAwareNavigate("topMenu", {
          screen: "setting",
        }),
      topMenu: () =>
        stackAwareNavigate("topMenu", {
          screen: "menu",
        }),
      positions: () => stackAwareNavigate("positions"),
    };

    const routeFromUrl = (url: string): boolean => {
      const intent = parseStartupDeepLinkIntent(url);
      if (!intent) return false;

      markStartupExplicitTarget();
      navigateWhenReady(startupRouteActions[intent]);
      return true;
    };

    Linking.getInitialURL()
      .then((url) => {
        if (url) routeFromUrl(url);
      })
      .finally(() => {
        resolveStartupNavigationSource();
      });

    const subscription = Linking.addEventListener("url", ({ url }) => {
      routeFromUrl(url);
    });

    return () => {
      subscription.remove();
    };
  }, []);
}

export { useStartupDeepLinkNavigation };