"use client";

import Image from "next/image";
import { useRouter } from "next/navigation";
import { useEffect, useRef, useState } from "react";
import Button from "@/components/Componentes/button";
import PageHeader from "@/components/Componentes/page-header";
import ReportActionsSheet from "@/components/Componentes/report-actions-sheet";
import VideoPlayer from "@/components/Componentes/video-player";
import type { MarriageProfileResponse } from "@/hooks/marriage/types";
import { useMarriageConfigQuery } from "@/hooks/marriage/use-marriage-config";
import { useMarriageProfileQuery } from "@/hooks/marriage/use-profile-main";
import { authBridge } from "@/lib/auth-bridge";
import { getSubmitPath } from "@/lib/get-submit-path";
import { localizePath } from "@/translations/config";
import { useI18n } from "@/translations/provider";

const REDIRECT_SESSION_KEY = "redirect";

export default function Intro() {
  const router = useRouter();
  const { dictionary: t, locale } = useI18n();
  const { data: profile, refetch } = useMarriageProfileQuery({
    enabled: false,
    retry: false,
  });
  const [isReportSheetOpen, setIsReportSheetOpen] = useState(false);
  const [isSubmitting, setIsSubmitting] = useState(false);
  const [isCheckingRedirect, setIsCheckingRedirect] = useState(true);
  const [isPlayerOpen, setIsPlayerOpen] = useState(false);
  const isRedirectingRef = useRef(false);

  const { data: config } = useMarriageConfigQuery();

  useEffect(() => {
    let isCancelled = false;

    const redirectIfNeeded = async () => {
      if (isRedirectingRef.current) {
        return;
      }

      try {
        const isAuthenticated = authBridge.isAuthenticated();

        if (!isAuthenticated) {
          if (!isCancelled) {
            setIsCheckingRedirect(false);
          }
          return;
        }

        isRedirectingRef.current = true;

        if (!isCancelled) {
          setIsCheckingRedirect(true);
        }

        const profileResponse = profile ?? (await refetch()).data;
        const nextPath = localizePath(getSubmitPath(profileResponse), locale);
        if (typeof window !== "undefined") {
          try {
            window.sessionStorage.removeItem(REDIRECT_SESSION_KEY);
          } catch (e) {
            console.warn("sessionStorage is not accessible:", e);
          }
        }

        if (!isCancelled) {
          const currentPath =
            typeof window !== "undefined" ? window.location.pathname : "";
          if (currentPath === nextPath) {
            setIsCheckingRedirect(false);
          } else {
            router.replace(nextPath);
          }
          return;
        }
      } catch (error) {
        console.error("Error in redirectIfNeeded:", error);
        if (!isCancelled) {
          setIsCheckingRedirect(false);
        }
      } finally {
        isRedirectingRef.current = false;
      }
    };

    void redirectIfNeeded();

    const unsubscribe = window.addFlutterResponseListener?.((event) => {
      if (event.action === "login" && event.success) {
        void redirectIfNeeded();
      }
    });

    return () => {
      isCancelled = true;
      unsubscribe?.();
    };
  }, [locale, profile, refetch, router]);

  const handleSubmit = async () => {
    if (isSubmitting) {
      return;
    }

    setIsSubmitting(true);

    try {
      if (!authBridge.isAuthenticated()) {
        const token = await authBridge.ensureToken();
        if (!token) {
          console.warn("No token from bridge – proceeding with fallback path");
        }
      }

      let profileResponse = profile;
      try {
        const { data: freshProfile } = await refetch();
        profileResponse = freshProfile ?? profile;
      } catch (refetchError) {
        console.warn(
          "Could not refetch profile data – using fallback",
          refetchError,
        );
      }

      const submitPath = getSubmitPath(profileResponse);
      const nextPath = localizePath(
        submitPath === "/intro" ? "/terms" : submitPath,
        locale,
      );
      router.push(nextPath);
    } catch (error) {
      console.error("Submission/redirect failed", error);
      router.push(localizePath("/terms", locale));
    } finally {
      setIsSubmitting(false);
    }
  };

  if (isCheckingRedirect) {
    return null;
  }

  return (
    <div className="pt-[max(16px,calc(var(--safe-top)+8px))]">
      {isReportSheetOpen && (
        <ReportActionsSheet onClose={() => setIsReportSheetOpen(false)} />
      )}
      <PageHeader
        rightButton={{
          icon: "support",
          onClick: () => setIsReportSheetOpen(true),
        }}
      />
      <main className="pb-[calc(90px+var(--safe-bottom))]">
        <div className="flex flex-col items-center mt-16">
          <Image
            src={"/assets/images/Group 1597880466.svg"}
            alt={t["heavenly marriage"]}
            width={168}
            height={155}
          />
          <h2 className="group-16 text-[#475569] font-bold mt-5 text-center">
            {t["A Path to Heavenly Marriage"]}
          </h2>
          <p className="text-center mt-2 group-12 text-[#4D4D4D]">
            {
              t[
                'We have come together with the goal of creating a secure and confidential path for "permanent marriage" among Muslims'
              ]
            }
          </p>
        </div>
        <div className="flex items-center justify-between mt-4">
          <div className="flex items-center gap-0.5 p-2 border border-[#FD6ABB]/10 rounded-2xl">
            <Image
              src={"/assets/images/tabler_user-filled.svg"}
              alt={t["user profiles"]}
              width={37}
              height={37}
            />
            <div className="flex flex-col items-start justify-start -mb-2">
              <p className="text-[#36363C] group-16 font-bold leading-3">120</p>
              <p className="text-[#36363C] group-10 font-semibold capitalize">
                {t["user profiles"]}
              </p>
            </div>
          </div>
          <div className="flex items-center gap-0.5 p-2 border border-[#FD6ABB]/10 rounded-2xl">
            <Image
              src={"/assets/images/icon-park-solid_success.svg"}
              alt={t["matches"]}
              width={37}
              height={37}
              priority
            />
            <div className="flex flex-col items-start justify-start -mb-2">
              <p className="text-[#36363C] group-16 font-bold leading-3">14</p>
              <p className="text-[#36363C] group-10 font-semibold capitalize">
                {t["matches"]}
              </p>
            </div>
          </div>
          <div className="flex items-center gap-0.5 p-2 border border-[#FD6ABB]/10 rounded-2xl">
            <Image
              src={"/assets/images/typcn_heart-full-outline.svg"}
              alt={t["marriages"]}
              width={37}
              height={37}
              priority
            />
            <div className="flex flex-col items-start justify-start -mb-2">
              <p className="text-[#36363C] group-16 font-bold leading-3">14</p>
              <p className="text-[#36363C] group-10 font-semibold capitalize">
                {t["marriages"]}
              </p>
            </div>
          </div>
        </div>
        <div
          className="mt-14 relative cursor-pointer group rounded-2xl overflow-hidden aspect-[344/221] max-w-[344px] w-full mx-auto"
          onClick={() => setIsPlayerOpen(true)}
        >
          <Image
            src={
              config?.intro_video_thumbnail_url ||
              "/assets/images/Frame 2095586523.png"
            }
            alt={t["video"]}
            fill
            sizes="344px"
            className="object-cover transition-transform duration-300 group-hover:scale-105"
            priority
          />
          <div className="absolute inset-0 bg-black/10 transition-colors duration-300 group-hover:bg-black/20" />
          <Image
            src={"/assets/images/Frame 1116607280.svg"}
            alt={t["play"]}
            width={68}
            height={68}
            className="absolute top-1/2 left-1/2 -translate-x-1/2 -translate-y-1/2 transition-transform duration-300 group-hover:scale-110 active:scale-95"
          />
        </div>

        <VideoPlayer
          isOpen={isPlayerOpen}
          onClose={() => setIsPlayerOpen(false)}
          videoUrl={config?.intro_video_url}
        />
        <div className="pointer-events-none fixed bottom-0 left-1/2 z-20 w-full sm:max-w-[375px] -translate-x-1/2 bg-[#F5F5F5]">
          <div
            style={{ paddingBottom: "calc(20px + var(--safe-bottom))" }}
            className="pointer-events-auto px-[17px] pt-3"
          >
            <Button
              onClick={handleSubmit}
              disabled={isSubmitting}
              isLoading={isSubmitting}
            >
              {t["Submit"]}
            </Button>
          </div>
        </div>
      </main>
    </div>
  );
}