"use client";

import {
	Calendar,
	MessageCircle,
	Share2,
	User as UserIcon,
} from "lucide-react";
import Link from "next/link";
import * as React from "react";
import { toast } from "sonner";
import { ContentList } from "@/components/content-list";
import { Avatar, AvatarFallback, AvatarImage } from "@/components/ui/avatar";
import { Button } from "@/components/ui/button";
import { Spinner } from "@/components/ui/spinner";
import { useAuth } from "@/providers/auth-provider";
import { ContentService } from "@/services/content.service";
import { UserService } from "@/services/user.service";
import type { User } from "@/types/user";

export default function PublicProfilePage({
	params,
}: {
	params: Promise<{ username: string }>;
}) {
	const { username } = React.use(params);
	const { user: currentUser, isAuthenticated } = useAuth();
	const [user, setUser] = React.useState<User | null>(null);
	const [loading, setLoading] = React.useState(true);

	const isOwnProfile = currentUser?.username === username;

	React.useEffect(() => {
		UserService.getProfile(username)
			.then(setUser)
			.catch(console.error)
			.finally(() => setLoading(false));
	}, [username]);

	const fetchUserMemes = React.useCallback(
		(params: { limit: number; offset: number }) =>
			ContentService.getExplore({ ...params, author: username }),
		[username],
	);

	const handleShareProfile = () => {
		const url = `${window.location.origin}/user/${username}`;
		navigator.clipboard.writeText(url);
		toast.success("Lien du profil copié !");
	};

	if (loading) {
		return (
			<div className="flex h-[400px] items-center justify-center">
				<Spinner className="h-8 w-8 text-primary" />
			</div>
		);
	}

	if (!user) {
		return (
			<div className="max-w-2xl mx-auto py-12 px-4 text-center">
				<div className="bg-primary/10 p-4 rounded-full w-fit mx-auto mb-4">
					<UserIcon className="h-8 w-8 text-primary" />
				</div>
				<h1 className="text-2xl font-bold">Utilisateur non trouvé</h1>
				<p className="text-muted-foreground mt-2">
					Le membre @{username} n'existe pas ou a quitté le troupeau.
				</p>
			</div>
		);
	}

	return (
		<div className="max-w-4xl mx-auto py-8 px-4">
			<div className="bg-white dark:bg-zinc-900 rounded-2xl p-6 md:p-8 border shadow-sm mb-8">
				<div className="flex flex-col md:flex-row items-center md:items-start gap-6 md:gap-8">
					<Avatar className="h-24 w-24 md:h-32 md:w-32 border-4 border-primary/10">
						<AvatarImage src={user.avatarUrl} alt={user.username} />
						<AvatarFallback className="text-3xl md:text-4xl">
							{user.username.slice(0, 2).toUpperCase()}
						</AvatarFallback>
					</Avatar>
					<div className="flex-1 text-center md:text-left space-y-4">
						<div className="space-y-1">
							<h1 className="text-2xl md:text-3xl font-bold tracking-tight">
								{user.displayName || user.username}
							</h1>
							<p className="text-muted-foreground font-medium">@{user.username}</p>
						</div>
						{user.bio && (
							<p className="max-w-md text-sm md:text-base leading-relaxed mx-auto md:mx-0 text-balance">
								{user.bio}
							</p>
						)}
						<div className="flex flex-wrap justify-center md:justify-start gap-4 text-sm text-muted-foreground">
							<span className="flex items-center gap-1.5">
								<Calendar className="h-4 w-4" />
								Membre depuis{" "}
								{new Date(user.createdAt).toLocaleDateString("fr-FR", {
									month: "long",
									year: "numeric",
								})}
							</span>
						</div>
						<div className="flex flex-wrap justify-center md:justify-start gap-2 pt-2">
							{!isOwnProfile && isAuthenticated && (
								<Button size="sm" className="h-9 px-4" asChild>
									<Link href={`/messages?user=${user.uuid}`}>
										<MessageCircle className="h-4 w-4 mr-2" />
										Message
									</Link>
								</Button>
							)}
							<Button
								variant="outline"
								size="sm"
								className="h-9 px-4"
								onClick={handleShareProfile}
							>
								<Share2 className="h-4 w-4 mr-2" />
								Partager le profil
							</Button>
						</div>
					</div>
				</div>
			</div>

			<div className="space-y-8">
				<h2 className="text-xl md:text-2xl font-bold border-b pb-4">Ses mèmes</h2>
				<ContentList fetchFn={fetchUserMemes} />
			</div>
		</div>
	);
}