"use client";
import { useState, useEffect, useRef } from "react";
import { useSession } from "next-auth/react";
import { useRouter } from "next/navigation";
import Link from "next/link";
import Image from "next/image";
import styles from "./map.module.css";
import { useHuntStatusCheck } from "@/hooks/useHuntStatusCheck";

export default function MapPage() {
  const { data: session, status } = useSession();
  const [loading, setLoading] = useState(true);
  const [mapError, setMapError] = useState(false);
  const [error, setError] = useState(null);
  const [teamData, setTeamData] = useState(null);
  const [elapsedTime, setElapsedTime] = useState("00:00:00");
  const mapContainerRef = useRef(null);
  const router = useRouter();

  // Use the custom hook to check if hunt is still active
  const huntActive = useHuntStatusCheck();

  // Debug log for hunt status
  useEffect(() => {
    console.log("Hunt active status in map page:", huntActive);
  }, [huntActive]);

  useEffect(() => {
    // Only redirect if explicitly not authenticated
    if (status === "unauthenticated") {
      router.push("/login");
      return;
    }

    // If hunt is not active, redirect to waiting page
    if (huntActive === false) {
      console.log("Hunt is not active, redirecting to waiting page");
      router.push("/waiting");
      return;
    }

    // Only fetch team data if authenticated and hunt is active or status unknown
    if (status === "authenticated" && huntActive !== false) {
      fetchTeamData();
    }
  }, [status, huntActive, router]);

  // Update elapsed time every second
  useEffect(() => {
    if (!teamData?.team) return;

    const startTime = new Date(teamData?.huntStartTime || Date.now()).getTime();

    const timer = setInterval(() => {
      const now = Date.now();
      const elapsed = Math.floor((now - startTime) / 1000);

      const hours = Math.floor(elapsed / 3600)
        .toString()
        .padStart(2, "0");
      const minutes = Math.floor((elapsed % 3600) / 60)
        .toString()
        .padStart(2, "0");
      const seconds = Math.floor(elapsed % 60)
        .toString()
        .padStart(2, "0");

      setElapsedTime(`${hours}:${minutes}:${seconds}`);
    }, 1000);

    return () => clearInterval(timer);
  }, [teamData]);

  const fetchTeamData = async () => {
    try {
      setLoading(true);
      setError(null);
      const response = await fetch("/api/user/team", {
        method: "GET",
        headers: {
          "Content-Type": "application/json",
          "Cache-Control": "no-cache, no-store, must-revalidate",
        },
        credentials: "include",
      });

      if (!response.ok) {
        // Handle specific error cases without immediate redirect
        const errorData = await response.json().catch(() => ({}));

        if (response.status === 401) {
          // Set error but don't redirect immediately - let the session handling take care of it
          setError(
            "Authentication error: " + (errorData.error || "Not logged in")
          );
          setLoading(false);
          return;
        } else if (
          response.status === 404 ||
          errorData.error?.includes("not part of a team")
        ) {
          setError("You need to join a team before viewing the map");
          setLoading(false);
          // Give user time to read the error message before redirect
          setTimeout(() => router.push("/team-selection"), 2000);
          return;
        } else {
          throw new Error(errorData.error || "Failed to fetch team data");
        }
      }

      const data = await response.json();
      setTeamData(data);
      setLoading(false);
    } catch (err) {
      console.error("Error fetching team data:", err);
      setError(err.message);
      setLoading(false);
    }
  };

  if (status === "loading" || loading) {
    return (
      <div className={styles["loading-container"]}>
        <div className={styles["loading-spinner"]}></div>
        <div>Loading map...</div>
      </div>
    );
  }

  // If hunt status is known to be inactive, show message
  if (huntActive === false) {
    return (
      <div className={styles["map-error"]}>
        <h2>Hunt Not Active</h2>
        <p>The treasure hunt has not started yet.</p>
        <button onClick={() => router.push("/waiting")}>
          Go to Waiting Room
        </button>
      </div>
    );
  }

  if (error) {
    return (
      <div className={styles["map-error"]}>
        <h2>Error</h2>
        <p>{error}</p>
        <button onClick={fetchTeamData}>Retry</button>
      </div>
    );
  }

  if (mapError) {
    return (
      <div className={styles["map-error"]}>
        <h2>Error Loading Map</h2>
        <p>We couldn't load the treasure map. Please try again.</p>
        <button onClick={fetchTeamData}>Retry</button>
      </div>
    );
  }

  return (
    <div className={styles["map-page"]}>
      {/* Map Banner with team info and timer */}
      <div className={styles["map-banner"]}>
        <div className={styles["team-name"]}>
          {teamData?.team?.name || "Your Team"}
        </div>
        <div className={styles["elapsed-time"]}>
          <span className={styles["time-value"]}>{elapsedTime}</span>
        </div>
        <div className={styles["team-code"]}>{teamData?.team?.code || ""}</div>
      </div>

      {/* Main map content area */}
      <div className={styles["map-container"]} ref={mapContainerRef}>
        <div className={styles["treasure-map"]}>
          {/* Use Image component with fill layout for better SVG handling */}
          <Image
            src="/images/treasure-map.svg"
            alt="Treasure Map"
            className={styles["map-svg"]}
            width={1000}
            height={1000}
            priority
            onError={() => {
              // Fallback to a static image if SVG fails to load
              setMapError(true);
            }}
          />
        </div>
      </div>

      {/* Navigation bar - now sticky */}
      <nav className={styles["nav-bar"]}>
        <Link
          href={teamData?.teamId ? `/${teamData.teamId}` : "/"}
          className={styles["nav-item"]}
        >
          <div className={styles["nav-icon"]}>🏠</div>
          <div className={styles["nav-label"]}>Home</div>
        </Link>
        <Link href="/leaderboard" className={styles["nav-item"]}>
          <div className={styles["nav-icon"]}>📊</div>
          <div className={styles["nav-label"]}>Stats</div>
        </Link>
        <Link href="/team-selection" className={styles["nav-item"]}>
          <div className={styles["nav-icon"]}>👥</div>
          <div className={styles["nav-label"]}>Team</div>
        </Link>
        <Link
          href="/map"
          className={`${styles["nav-item"]} ${styles["active"]}`}
        >
          <div className={styles["nav-icon"]}>🗺️</div>
          <div className={styles["nav-label"]}>Map</div>
        </Link>
      </nav>
    </div>
  );
}