"use client"
import { useState, useEffect } from "react"
import Link from "next/link"
import JavaText from "./java_tutorial.json"
import { JSX, SVGProps } from "react"

export default function Component() {
    const JavaContent = JavaText
    const [showButton, setShowButton] = useState(false)

    useEffect(() => {
        const handleScroll = () => {
            if (window.scrollY > 300) {
                setShowButton(true)
            } else {
                setShowButton(false)
            }
        }

        window.addEventListener("scroll", handleScroll)

        return () => {
            window.removeEventListener("scroll", handleScroll)
        }
    }, [])

    const scrollToTop = () => {
        window.scrollTo({
            top: 0,
            behavior: "smooth"
        })
    }

    return (
        <div className="flex flex-col min-h-[100dvh] scroll-smooth">
            <style jsx global>{`
                html {
                    scroll-behavior: smooth;
                }
            `}</style>
            <header className="bg-primary text-primary-foreground py-4 px-6 shadow">
                <div className="container mx-auto flex items-center justify-between">
                    <Link href="#" className="flex items-center gap-2 font-bold text-xl" prefetch={false}>
                        <CodeIcon className="w-6 h-6"/>
                        Dot Java
                    </Link>
                    <nav className="hidden md:flex items-center gap-6">
                        {JavaContent.sections.map((section, index) => (
                            <Link key={index} href={`#${section.id}`} className="hover:underline" prefetch={false}>
                                {section.title}
                            </Link>
                        ))}
                    </nav>
                </div>
            </header>
            <main className="flex-1">
                {JavaContent.sections.map((section, index) => (
                    <section key={index} id={section.id}
                             className={`py-12 md:py-24 ${index % 2 === 0 ? 'bg-muted' : ''}`}>
                        <div className="container mx-auto px-4 md:px-6">
                            <h2 className="text-3xl font-bold mb-8">{section.title}</h2>
                            <p className="text-lg mb-8">{section.description}</p>
                            <div className="grid md:grid-cols-2 gap-10">
                                {section.items.map((item, itemIndex) => (
                                    <div key={itemIndex}>
                                        <h3 className="text-2xl font-bold mb-4">{item.title}</h3>
                                        <p className="text-muted-foreground mb-6">{item.description}</p>
                                        <div className="bg-background rounded-lg p-6 shadow my-4">
                                            <pre className="text-sm font-mono">
                                                <code className="text-pretty">{item.code}</code>
                                            </pre>
                                        </div>
                                        <p className="text-pretty">{item.explanation}</p>
                                    </div>
                                ))}
                            </div>
                        </div>
                    </section>
                ))}
            </main>
            {showButton && (
                <button
                    onClick={scrollToTop}
                    className="fixed bottom-10 right-10 bg-primary text-primary-foreground p-3 rounded-full shadow-lg hover:bg-primary-dark transition"
                >
                    ↑ Top
                </button>
            )}
            <footer className="bg-muted text-muted-foreground py-6">
                <div className="container mx-auto px-4 md:px-6 flex items-center justify-between">
                    <p className="text-sm">&copy; 2024 Java Tutorials. All rights reserved.</p>
                    <nav className="flex items-center gap-4">
                        <a href="#" className="hover:underline">License</a>
                        <a href="https://github.com/Quinta0" target="_blank" rel="noopener noreferrer" className="hover:underline">
                            <GitHubIcon className="w-6 h-6"/>
                        </a>
                        <a href="mailto:0pietroquintavalle0@gmail.com" className="hover:underline">
                            <GmailIcon className="w-6 h-6"/>
                        </a>
                        <a href="https://www.linkedin.com/in/pietro-quintavalle-996b96267/" target="_blank" rel="noopener noreferrer" className="hover:underline">
                            <LinkedInIcon className="w-6 h-6"/>
                        </a>
                    </nav>
                </div>
            </footer>
        </div>
    )
}

function CodeIcon(props: JSX.IntrinsicAttributes & SVGProps<SVGSVGElement>) {
    return (
        <svg
            {...props}
            xmlns="http://www.w3.org/2000/svg"
            width="24"
            height="24"
            viewBox="0 0 24 24"
            fill="none"
            stroke="currentColor"
            strokeWidth="2"
            strokeLinecap="round"
            strokeLinejoin="round"
        >
            <polyline points="16 18 22 12 16 6" />
            <polyline points="8 6 2 12 8 18" />
        </svg>
    )
}

function GitHubIcon(props: JSX.IntrinsicAttributes & SVGProps<SVGSVGElement>) {
    return (
        <svg
            {...props}
            xmlns="http://www.w3.org/2000/svg"
            viewBox="0 0 24 24"
            fill="currentColor"
            stroke="currentColor"
            strokeWidth="0"
        >
            <path d="M12 .5C5.48.5.5 5.48.5 12c0 5.08 3.29 9.35 7.85 10.86.58.1.79-.24.79-.54 0-.27-.01-.99-.01-1.94-3.19.69-3.86-1.54-3.86-1.54-.53-1.36-1.29-1.72-1.29-1.72-1.05-.72.08-.71.08-.71 1.16.08 1.77 1.2 1.77 1.2 1.03 1.77 2.69 1.26 3.34.96.1-.75.4-1.26.73-1.55-2.55-.29-5.23-1.28-5.23-5.72 0-1.26.45-2.29 1.2-3.1-.12-.29-.52-1.45.12-3.02 0 0 .97-.31 3.17 1.18.92-.26 1.91-.39 2.89-.39.98 0 1.97.13 2.89.39 2.2-1.49 3.17-1.18 3.17-1.18.64 1.57.24 2.73.12 3.02.75.81 1.2 1.84 1.2 3.1 0 4.46-2.69 5.43-5.25 5.71.41.35.78 1.03.78 2.08 0 1.5-.01 2.72-.01 3.08 0 .3.21.65.8.54C20.71 21.35 24 17.08 24 12c0-6.52-4.98-11.5-12-11.5z"/>
        </svg>
    )
}

function GmailIcon(props: JSX.IntrinsicAttributes & SVGProps<SVGSVGElement>) {
    return (
        <svg
            {...props}
            xmlns="http://www.w3.org/2000/svg"
            viewBox="0 0 24 24"
            fill="currentColor"
            stroke="currentColor"
            strokeWidth="0"
        >
            <path d="M12 12.713l11.985-8.677a.868.868 0 0 0-.491-.148H.506c-.177 0-.344.055-.491.148L12 12.713zm0 1.431L.035 5.596A.875.875 0 0 0 0 6.125v11.75c0 .478.387.875.875.875h22.25c.478 0 .875-.387.875-.875V6.125a.875.875 0 0 0-.035-.529L12 14.144z"/>
        </svg>
    )
}

function LinkedInIcon(props: JSX.IntrinsicAttributes & SVGProps<SVGSVGElement>) {
    return (
        <svg
            {...props}
            xmlns="http://www.w3.org/2000/svg"
            viewBox="0 0 24 24"
            fill="currentColor"
            stroke="currentColor"
            strokeWidth="0"
        >
            <path d="M19 0h-14c-2.761 0-5 2.239-5 5v14c0 2.761 2.239 5 5 5h14c2.761 0 5-2.239 5-5v-14c0-2.761-2.239-5-5-5zm-11 19h-3v-11h3v11zm-1.5-12.5c-.966 0-1.75-.784-1.75-1.75s.784-1.75 1.75-1.75 1.75.784 1.75 1.75-.784 1.75-1.75 1.75zm13.5 12.5h-3v-5.5c0-1.379-1.121-2.5-2.5-2.5s-2.5 1.121-2.5 2.5v5.5h-3v-11h3v1.474c.809-1.161 2.201-1.974 3.5-1.974 2.481 0 4.5 2.019 4.5 4.5v7z"/>
        </svg>
    )
}