"use client";
import Image from "next/image";
import React, { useCallback, useEffect, useRef, useState } from "react";

import BottomFooter from "@components/BottomFooter";

const ContactUs = () => {
	// Form/modal
	const [formData, setFormData] = useState({ name: "", email: "", message: "" });
	const [isModalOpen, setIsModalOpen] = useState(false);

	// 1. Lava (Instagram): state & timer
	const [lavaActive, setLavaActive] = useState(false);
	const lavaTimeout = useRef<NodeJS.Timeout | null>(null);

	// 2. Pulsating Map (Facebook): state & timer
	const [pulsatingActive, setPulsatingActive] = useState(false);
	const pulsatingTimeout = useRef<NodeJS.Timeout | null>(null);

	// 3. Shake (LinkedIn): state & timer
	const [shaking, setShaking] = useState(false);
	const shakeTimeout = useRef<NodeJS.Timeout | null>(null);

	// 4. Crack & Collapse (X): state & timer
	const [showCracks, setShowCracks] = useState(false);
	const [collapse, setCollapse] = useState(false);
	const crackTimeout = useRef<NodeJS.Timeout | null>(null);

	// Lava flood handler (top-down flood)
	const handleInstagramClick = useCallback((e: React.MouseEvent) => {
		e.preventDefault();
		setLavaActive(true);
		if (lavaTimeout.current) clearTimeout(lavaTimeout.current);
		lavaTimeout.current = setTimeout(() => setLavaActive(false), 2000);
	}, []);

	// Pulsating Map handler
	const handleFacebookClick = useCallback((e: React.MouseEvent) => {
		e.preventDefault();
		setPulsatingActive(true);
		if (pulsatingTimeout.current) clearTimeout(pulsatingTimeout.current);
		pulsatingTimeout.current = setTimeout(() => setPulsatingActive(false), 2000);
	}, []);

	// LinkedIn shake handler
	const handleLinkedInClick = useCallback(
		(e: React.MouseEvent) => {
			e.preventDefault();
			if (shaking) return;
			setShaking(true);
			const body = document.body;
			body.classList.remove("shake-screen");
			void body.offsetWidth;
			body.classList.add("shake-screen");
			if (shakeTimeout.current) clearTimeout(shakeTimeout.current);
			shakeTimeout.current = setTimeout(() => {
				setShaking(false);
				body.classList.remove("shake-screen");
			}, 1000);
		},
		[shaking]
	);

	// X (crack and collapse) handler
	const handleXClick = useCallback((e: React.MouseEvent) => {
		e.preventDefault();
		setShowCracks(true);
		if (crackTimeout.current) clearTimeout(crackTimeout.current);
		crackTimeout.current = setTimeout(() => {
			setCollapse(true);
			setTimeout(() => {
				setShowCracks(false);
				setCollapse(false);
			}, 1500);
		}, 1000);
	}, []);

	// Clean up timeouts and shake class
	useEffect(() => {
		return () => {
			if (lavaTimeout.current) clearTimeout(lavaTimeout.current);
			if (pulsatingTimeout.current) clearTimeout(pulsatingTimeout.current);
			if (shakeTimeout.current) clearTimeout(shakeTimeout.current);
			if (crackTimeout.current) clearTimeout(crackTimeout.current);
			document.body.classList.remove("shake-screen");
		};
	}, []);

	// Form handlers
	const handleChange = (e: React.ChangeEvent<HTMLInputElement | HTMLTextAreaElement>) => {
		setFormData({ ...formData, [e.target.name]: e.target.value });
	};
	const handleSubmit = (e: React.FormEvent) => {
		e.preventDefault();
		console.log("Form submitted with data:", formData);
		setIsModalOpen(true);
		setFormData({ name: "", email: "", message: "" });
	};

	return (
		<div className="h-full relative text-white border border-black overflow-hidden">
			{/* Lava Flood Overlay */}
			{lavaActive && (
				<div className="lava-flood-overlay lava-active fixed inset-0 z-[60] flex items-center justify-center">
					<img
						src="/lava.jpg"
						alt="Lava flood"
						draggable={false}
						className="w-full h-full object-cover opacity-80 pointer-events-none"
					/>
				</div>
			)}
			{/* Pulsating Overlay */}
			{pulsatingActive && (
				<div className="pulsating-map-overlay pulsating-active fixed inset-0 z-[60] flex items-center justify-center">
					<img
						src="/pulsatingMap.jpg"
						alt="Pulsating Map"
						draggable={false}
						className="w-full h-full object-cover opacity-80 pointer-events-none"
					/>
				</div>
			)}
			{/* Crack & Collapse Overlay */}
			{(showCracks || collapse) && (
				<div
					className={`crack-overlay fixed inset-0 z-[60] flex items-center justify-center${collapse ? " crack-collapse" : ""}`}
				>
					<img className="crack crack1 absolute w-3/4" src="/crack1.png" alt="" />
					<img className="crack crack2 absolute w-3/4" src="/crack2.png" alt="" />
				</div>
			)}
			{/* Modal: Submit Success */}
			{isModalOpen && (
				<div className="fixed inset-0 z-[70] flex items-center justify-center bg-black/60">
					<div className="bg-white rounded-lg shadow-lg p-8 max-w-sm w-full text-center">
						<h2 className="text-2xl font-bold mb-4 text-neutral-800">Thank You!</h2>
						<p className="text-neutral-700 mb-6">Thank you for submitting a message. We will be responding via our email.</p>
						<button
							className="bg-blue-600 text-white px-5 py-2 rounded-lg font-medium hover:bg-blue-700 transition"
							onClick={() => setIsModalOpen(false)}
						>
							Close
						</button>
					</div>
				</div>
			)}
			<Image
				height={5000}
				width={5000}
				alt="Logo"
				className="border border-neutral-300 absolute z-10 -top-20"
				src="/tsunamiWaves.jpg"
			/>
			{/* Overlay for readability */}
			<div className="absolute overflow-hidden w-full h-full bg-gradient-to-b from-black/80 via-black/40 to-black/20 flex flex-col items-center z-20">
				{/* Container */}
				<div className="max-w-4xl mx-auto p-5 mt-20">
					{/* Header */}
					<h1 className="text-4xl font-bold text-center text-neutral-50 mb-6">Contact Us</h1>
					<p className="text-lg text-center max-w-2xl text-neutral-200 mb-6">
						Have questions or concerns about earthquakes, observatories or artefacts? Contact us via phone, email, social media or
						using the form below with the relevant contact details.
					</p>
					<div className="flex flex-col md:flex-row gap-6">
						{/* Contact Form Section */}
						<div className="flex-1 bg-white bg-opacity-90 text-neutral-800 rounded-lg shadow-lg p-6">
							<form onSubmit={handleSubmit}>
								<div className="mb-4">
									<label htmlFor="name" className="block text-neutral-700 font-medium mb-2">
										Name
									</label>
									<input
										type="text"
										name="name"
										id="name"
										value={formData.name}
										onChange={handleChange}
										placeholder="Your Name"
										className="w-full p-3 border border-neutral-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"
										required
									/>
								</div>
								<div className="mb-4">
									<label htmlFor="email" className="block text-neutral-700 font-medium mb-2">
										Email
									</label>
									<input
										type="email"
										name="email"
										id="email"
										value={formData.email}
										onChange={handleChange}
										placeholder="Your Email"
										className="w-full p-3 border border-neutral-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"
										required
									/>
								</div>
								<div className="mb-4">
									<label htmlFor="message" className="block text-neutral-700 font-medium mb-2">
										Message
									</label>
									<textarea
										name="message"
										id="message"
										value={formData.message}
										onChange={handleChange}
										rows={5}
										placeholder="Your Message"
										className="w-full p-3 border border-neutral-300 rounded-lg focus:outline-none focus:ring-2 focus:ring-blue-500"
										required
										style={{ resize: "none" }}
									/>
								</div>
								<button
									type="submit"
									className="w-full bg-blue-600 text-white py-3 rounded-lg font-medium hover:bg-blue-700 transition duration-200"
								>
									Send Message
								</button>
							</form>
						</div>
						{/* Contact Details Section */}
						<div className="w-[45%] bg-white bg-opacity-90 text-neutral-800 rounded-lg shadow-lg p-6">
							<h2 className="text-2xl font-bold text-neutral-800 mb-4">Get in Touch</h2>
							<div className="mb-4">
								<h3 className="text-neutral-700 font-bold font-large">Email</h3>
								<a href="Mail to:getintouch@tremortracker.com font-medium" style={{ color: "initial" }}>
									getintouch@tremortracker.com
								</a>
							</div>
							<div className="mb-4">
								<h3 className="text-neutral-700 font-bold font-large">Phone</h3>
								<p className="text-neutral-600 font-medium">+44 7538 359022</p>
							</div>
							<div className="mb-4">
								<h3 className="text-neutral-700 font-bold font-large">Address</h3>
								<p className="text-neutral-600 font-medium">1 Sweentown Row, Greenwich, London, SE3 0FQ</p>
							</div>
							<h2 className="text-xl font-bold text-neutral-800 mb-4 mt-6">Follow Us</h2>
							<div className="flex justify-around items-center">
								{/* Instagram: Lava Flood */}
								<a
									href="#"
									className="w-20 h-20 text-blue-600 hover:text-blue-800 transition duration-200"
									aria-label="Instagram"
									onClick={handleInstagramClick}
									style={{ cursor: "pointer" }}
								>
									<span className="sr-only">Instagram</span>
									<Image height={200} width={200} alt="Logo" className="z-10" src="/insta.webp" />
								</a>
								{/* Facebook: Pulsating Map */}
								<a
									href="#"
									className="w-20 h-20 text-blue-600 hover:text-blue-800 transition duration-200"
									aria-label="Facebook"
									onClick={handleFacebookClick}
									style={{ cursor: "pointer" }}
								>
									<span className="sr-only">Facebook</span>
									<Image height={200} width={200} alt="Logo" className="z-10" src="/facebook.webp" />
								</a>
								{/* X: Crack & Collapse */}
								<a
									href="#"
									className="w-20 h-20 p-4 text-blue-600 hover:text-blue-800 transition duration-200"
									aria-label="X"
									onClick={handleXClick}
									style={{ cursor: "pointer" }}
								>
									<span className="sr-only">X</span>
									<Image height={200} width={200} alt="Logo" className="z-10 rounded-lg" src="/x_logo.jpg" />
								</a>
								{/* LinkedIn: Shake */}
								<a
									href="#"
									className="w-20 h-20 flex items-center text-blue-600 hover:text-blue-800 transition duration-200"
									aria-label="LinkedIn"
									onClick={handleLinkedInClick}
									style={{ cursor: "pointer" }}
								>
									<span className="sr-only">LinkedIn</span>
									<Image height={200} width={200} alt="Logo" className="z-10" src="/linkedIn.png" />
								</a>
							</div>
						</div>
					</div>
				</div>
			</div>
			<BottomFooter />
		</div>
	);
};

export default ContactUs;