"use client";
import { useState, useEffect, useRef } from "react";
import "./HeroSection.css";
import apiClient from "@/api/apiClient";
import SkeletonLoader from "@/skeletons/HeroSection";
import { FontAwesomeIcon } from "@fortawesome/react-fontawesome";
import { faPlay } from "@fortawesome/free-solid-svg-icons";
import Link from "next/link";

const HeroSection = () => {
  const [currentIndex, setCurrentIndex] = useState(0);
  const intervalRef = useRef(null);
  const [fadeOut, setFadeOut] = useState(false);
  const [items, setItems] = useState([]);
  const [loading, setLoading] = useState(true);
  const [isDragging, setIsDragging] = useState(false);
  const [startX, setStartX] = useState(0);

  useEffect(() => {
    const fetchRecentItems = async () => {
      try {
        const response = await apiClient.getRecent();
        const movies = response.movies.map((film) => ({
          title: film[0],
          description: film[2],
          imageUrl: film[3],
          type: "Movie",
        }));
        const series = response.series.map((serie) => ({
          title: serie[0],
          description: serie[2],
          imageUrl: serie[3],
          type: "Series",
        }));
        setItems([...movies, ...series]);
      } catch (error) {
        console.error("Error fetching recent items:", error);
      } finally {
        setLoading(false);
      }
    };

    fetchRecentItems();
  }, []);

  const startAutoSwitch = () => {
    if (intervalRef.current) clearInterval(intervalRef.current);
    intervalRef.current = setInterval(() => {
      setFadeOut(true);
      setTimeout(() => {
        setCurrentIndex((prevIndex) => (prevIndex + 1) % items.length);
        setFadeOut(false);
      }, 200);
    }, 5000);
  };

  useEffect(() => {
    if (items.length > 0) {
      startAutoSwitch();
    }

    return () => {
      clearInterval(intervalRef.current);
    };
  }, [items]);

  const handleSwipe = (direction) => {
    setFadeOut(true);
    setTimeout(() => {
      setCurrentIndex((prevIndex) => {
        if (direction === "left") {
          return (prevIndex + 1) % items.length;
        } else {
          return (prevIndex - 1 + items.length) % items.length;
        }
      });
      setFadeOut(false);
    }, 100);
    startAutoSwitch();
  };

  const handleTouchStart = (e) => {
    const touchStartX = e.touches[0].clientX;
    setStartX(touchStartX);
    const handleTouchMove = (event) => {
      const touchEndX = event.touches[0].clientX;
      const diffX = touchStartX - touchEndX;
      if (diffX > 50) {
        handleSwipe("left");
        document.removeEventListener("touchmove", handleTouchMove);
      } else if (diffX < -50) {
        handleSwipe("right");
        document.removeEventListener("touchmove", handleTouchMove);
      }
    };
    document.addEventListener("touchmove", handleTouchMove);
  };

  const handleMouseDown = (e) => {
    setStartX(e.clientX);
    setIsDragging(true);
  };

  const handleMouseMove = (e) => {
    if (!isDragging) return;
    const diffX = startX - e.clientX;
    if (diffX > 50) {
      handleSwipe("left");
      setIsDragging(false);
    } else if (diffX < -50) {
      handleSwipe("right");
      setIsDragging(false);
    }
  };

  const handleMouseUp = () => {
    setIsDragging(false);
  };

  if (loading) {
    return <SkeletonLoader />;
  }

  const { title, description, imageUrl, type } = items[currentIndex];
  const linkPath = `/${type.toLowerCase()}/${encodeURIComponent(title)}`;

  return (
    <div
      className="hero-container"
      onTouchStart={handleTouchStart}
      onMouseDown={handleMouseDown}
      onMouseMove={handleMouseMove}
      onMouseUp={handleMouseUp}
      onMouseLeave={handleMouseUp}
    >
      <div className="hero-section">
        {items.map((item, index) => (
          <div
            key={index}
            className={`hero-image ${index === currentIndex ? "active" : ""} ${
              fadeOut ? "fade-out" : ""
            }`}
            style={{
              backgroundImage: `linear-gradient(rgba(0, 0, 0, 0.1) 20%, #11121f 80%), url("${item.imageUrl}")`,
            }}
          ></div>
        ))}
        <div className="hero-text">
          <Link href={linkPath}>
            <h1 className="hero-title">{title}</h1>
          </Link>
          <p className="hero-description">{description}</p>
        </div>
      </div>
    </div>
  );
};

export default HeroSection;