import React from "react";
import { Button } from "@/components/ui/button";
import { Badge } from "@/components/ui/badge";
import { Card, CardContent } from "@/components/ui/card";
import { Tabs, TabsContent, TabsList, TabsTrigger } from "@/components/ui/tabs";
import { ArrowRight } from "lucide-react";
import { Link } from "@inertiajs/react";

interface SubKategori {
    SubKategoriId: number;
    NamaSubKategori: string;
}

interface Kategori {
    KategoriId: number;
    NamaKategori: string;
}

interface Post {
    PostId: number;
    JudulPost: string;
    DescPost: string;
    SlugPost: string;
    ImagePost: string;
    IsPublish: boolean;
    created_at: string;
    kategori?: Kategori;
    subkategori?: SubKategori;
}

interface CardPeraturanProps {
    posts: Post[];
}

const CardPeraturan = ({ posts }: CardPeraturanProps) => {
    const subcategories = Array.from(
        new Set(posts.map((item) => item.subkategori?.NamaSubKategori))
    ).filter(Boolean);

    const filterPosts = (subkategori: string | null) => {
        if (!subkategori) return posts;
        return posts.filter(
            (item) => item.subkategori?.NamaSubKategori === subkategori
        );
    };

    const [visibleItems, setVisibleItems] = React.useState(3);
    const [activeTab, setActiveTab] = React.useState("all");

    const loadMore = () => {
        setVisibleItems((prev) => prev + 3);
    };

    const PostGrid = ({ items }: { items: Post[] }) => (
        <div className="grid grid-cols-1 md:grid-cols-3 gap-6">
            {items.slice(0, visibleItems).map((item) => (
                <Card key={item.PostId} className="md:p-4">
                    <img
                        src={`/storage/${item.ImagePost}`}
                        alt={item.JudulPost}
                        className="rounded-md"
                    />
                    <CardContent className="p-4">
                        <Badge className="bg-red-600 text-white">
                            {item.subkategori?.NamaSubKategori}
                        </Badge>
                        <p className="text-gray-500 text-sm mt-2">
                            {new Date(item.created_at).toLocaleDateString(
                                "id-ID",
                                {
                                    day: "numeric",
                                    month: "long",
                                    year: "numeric",
                                }
                            )}
                        </p>
                        <h3 className="text-md font-semibold mt-2 text-gray-900">
                            {item.JudulPost}
                        </h3>
                        <p className="text-sm text-gray-600 mt-2">
                            {item.DescPost.replace(/<[^>]*>/g, "").slice(
                                0,
                                160
                            )}
                            ...
                        </p>
                        <Link href={route("peraturan.show", item.SlugPost)}>
                            <Button
                                variant="link"
                                className="text-red-600 mt-2 pl-0"
                            >
                                Baca Selengkapnya{" "}
                                <ArrowRight className="ml-2 w-4 h-4" />
                            </Button>
                        </Link>
                    </CardContent>
                </Card>
            ))}
        </div>
    );

    const handleTabChange = (value: string) => {
        setActiveTab(value);
        setVisibleItems(3); // Reset visible items when changing tabs
    };
    return (
        <section className="container max-w-7xl py-8 px-6">
            {/* List of Peraturan */}
            <div className="flex justify-center items-center w-full">
                <Tabs
                    defaultValue="all"
                    className="w-full max-w-6xl"
                    onValueChange={handleTabChange}
                >
                    <div className="flex justify-center">
                        <TabsList className="mb-6">
                            <TabsTrigger value="all">Semua</TabsTrigger>
                            {subcategories.map((subcat) => (
                                <TabsTrigger
                                    key={subcat}
                                    value={subcat as string}
                                >
                                    {subcat}
                                </TabsTrigger>
                            ))}
                        </TabsList>
                    </div>

                    <TabsContent value="all">
                        <PostGrid items={filterPosts(null)} />
                        {visibleItems < filterPosts(null).length && (
                            <div className="flex justify-center mt-8">
                                <Button
                                    variant="link"
                                    className="text-green-700"
                                    onClick={loadMore}
                                >
                                    Lihat Lebih Banyak
                                </Button>
                            </div>
                        )}
                    </TabsContent>

                    {subcategories.map((subcat) => (
                        <TabsContent key={subcat} value={subcat as string}>
                            <PostGrid items={filterPosts(subcat as string)} />
                            {visibleItems <
                                filterPosts(subcat as string).length && (
                                <div className="flex justify-center mt-8">
                                    <Button
                                        variant="link"
                                        className="text-green-700"
                                        onClick={loadMore}
                                    >
                                        Lihat Lebih Banyak
                                    </Button>
                                </div>
                            )}
                        </TabsContent>
                    ))}
                </Tabs>
            </div>
        </section>
    );
};

export default CardPeraturan;
