"use client";

import {
    useRouter,
    useSearchParams,
    useParams,
    usePathname,
} from "next/navigation";
import {useEffect, useState} from "react";

import Link from "next/link";

import Footer_Back from "@/app/components/Footer_Back";
import Header from "@/app/components/Header";
import Image from "next/image";
import "@/app/styles/ghostContent.css"; // Import the global styles

interface Project {
    slug: string;
    id: string;
    title: string;
    feature_image: string;
    visibility: string;
    published_at: string;
    updated_at: string;
    html: string;
    reading_time: number;
    meta_description: string;
}

const ProjectDetails = () => {
    const router = useRouter();
    const searchParams = useSearchParams();
    const params = useParams();
    const pathname = usePathname();
    const [project, setProject] = useState<Project | null>(null);
    const [isVisible, setIsVisible] = useState(false);
    const [error, setError] = useState<string | null>(null);

    useEffect(() => {
        setTimeout(() => {
            setIsVisible(true);
        }, 150); // Delay to start the animation
    }, []);

    useEffect(() => {
        const projectData = searchParams.get("project");
        if (projectData) {
            setProject(JSON.parse(projectData as string));
            // Remove the project data from the URL without reloading the page
            if (typeof window !== "undefined") {
                const url = new URL(window.location.href);
                url.searchParams.delete("project");
                window.history.replaceState({}, "", url.toString());
            }
        } else {
            // Fetch project data based on slug from URL
            const slug = params.slug as string;
            try {
                fetchProjectData(slug);
            } catch (error) {
                console.log(error);
                setError("Failed to fetch project data");
            }
        }
    }, [searchParams, router, params, pathname]);

    const fetchProjectData = async (slug: string) => {
        try {
            const response = await fetch(`/api/fetchProject?slug=${slug}`);
            if (!response.ok) {
                setError("Failed to fetch project Data");
            }
            const projectData = (await response.json()) as { posts: Project[] };
            if (projectData.posts.length === 0) {
                setError("Project not found");
            }
            setProject(projectData.posts[0]);
        } catch (error) {
            console.error("Failed to fetch project data:", error);
            setError("Project not found");
        }
    };

    if (error) {
        return (
            <div className="min-h-screen flex flex-col bg-radiant">
                <Header/>
                <div className="flex-grow flex items-center justify-center">
                    <div className="text-center p-10 bg-white dark:bg-gray-700 rounded shadow-md">
                        <h1 className="text-6xl font-bold text-gray-800 dark:text-white">
                            404
                        </h1>
                        <p className="mt-4 text-xl text-gray-600 dark:text-gray-300">
                            {error}
                        </p>
                        <Link
                            href="/"
                            className="mt-6 inline-block text-blue-500 hover:underline"
                        >
                            Go Back Home
                        </Link>
                    </div>
                </div>
                <Footer_Back/>
            </div>
        );
    }

    if (!project) {
        return (
            <div className="min-h-screen flex flex-col bg-radiant">
                <Header/>
                <div className="flex-grow flex items-center justify-center">
                    <div
                        className="loader ease-linear rounded-full border-8 border-t-8 border-gray-200 h-32 w-32"></div>
                </div>
                <Footer_Back/>
            </div>
        );
    }

    const featureImageUrl = project.feature_image
        ? `/api/fetchImage?url=${encodeURIComponent(project.feature_image)}`
        : "";

    return (
        <div
            className={`min-h-screen flex flex-col bg-radiant ${isVisible ? "animate-fly-in" : "opacity-0"}`}
        >
            <Header/>
            <div className="flex-grow">
                <div className="flex justify-center mt-14 md:mt-28 px-4 md:px-0">
                    {featureImageUrl && (
                        <div className="relative w-full max-w-4xl h-0 pb-[56.25%] rounded-2xl overflow-hidden">
                            <Image
                                src={featureImageUrl}
                                alt={project.title}
                                fill
                                style={{objectFit: "cover"}}
                                className="rounded-2xl"
                                priority={true}
                            />
                        </div>
                    )}
                </div>
                <div className="flex items-center justify-center mt-4">
                    <h1 className="text-4xl md:text-6xl font-bold text-gray-600">
                        {project.title}
                    </h1>
                </div>

                {/* Project Content */}
                <div className="p-10 pt-12">
                    <div
                        className="flex flex-col p-8 bg-gradient-to-br from-white/60 to-white/30 backdrop-blur-lg rounded-2xl shadow-xl">
                        <div
                            className="content mt-4 text-gray-600 text-lg leading-relaxed"
                            dangerouslySetInnerHTML={{__html: project.html}}
                        ></div>
                    </div>
                </div>
            </div>
            <Footer_Back/>
        </div>
    );
};

export default ProjectDetails;