import { Head, Link, router } from '@inertiajs/react';
import { useState } from 'react';

import { ConfigurableTable } from '@/components/ui/configurable-table';
import { PaginationLinks } from '@/components/ui/pagination-links';
import { AdminLayout } from '@/layouts/admin-layout';
import type { PaginatedData } from '@/types';

type BlogArticleRow = {
    id: number;
    title: string;
    slug: string;
    status: string;
    category: string | null;
    author: string | null;
    tags_count: number;
    media_count: number;
    published_at: string | null;
    updated_at: string | null;
};

type BlogArticleIndexProps = {
    articles: PaginatedData<BlogArticleRow>;
    filters: {
        search: string;
        status: string;
    };
};

export default function BlogArticleIndex({
    articles,
    filters,
}: BlogArticleIndexProps) {
    const [search, setSearch] = useState(filters.search || '');
    const [status, setStatus] = useState(filters.status || '');

    const submitFilters = (event: React.FormEvent<HTMLFormElement>) => {
        event.preventDefault();

        router.get('/admin/blog-articles', buildParams({ search, status }), {
            preserveState: true,
            preserveScroll: true,
            replace: true,
        });
    };

    const deleteArticle = (id: number) => {
        if (!window.confirm('Delete this blog article?')) {
            return;
        }

        router.delete(`/admin/blog-articles/${id}`);
    };

    return (
        <AdminLayout>
            <Head title="Blog Articles" />

            <div className="space-y-5">
                <div className="flex flex-wrap items-center justify-between gap-3">
                    <div>
                        <h1 className="text-2xl font-semibold text-[#0a1530] dark:text-[#efe8ff]">
                            Blog Articles
                        </h1>
                        <p className="mt-1 text-sm text-slate-600 dark:text-[#c7bde8]">
                            Manage guides, diagnostics, and SEO content.
                        </p>
                    </div>
                    <Link
                        href="/admin/blog-articles/create"
                        className="rounded-lg bg-[#0b7285] px-4 py-2 text-sm font-semibold text-white hover:bg-[#095f6f] dark:bg-[#7c3aed] dark:hover:bg-[#8b5cf6]"
                    >
                        Add Article
                    </Link>
                </div>

                <form
                    onSubmit={submitFilters}
                    className="grid max-w-2xl gap-2 sm:grid-cols-[1fr_180px_auto]"
                >
                    <input
                        value={search}
                        onChange={(event) => setSearch(event.target.value)}
                        placeholder="Search by title, slug, or excerpt"
                        className="w-full rounded-lg border border-slate-300 bg-white px-3 py-2 text-sm text-[#0a1530] outline-none focus:border-[#0b7285] dark:border-[#4a3a78] dark:bg-[#160f2d] dark:text-[#efe8ff] dark:focus:border-[#a78bfa]"
                    />
                    <select
                        value={status}
                        onChange={(event) => setStatus(event.target.value)}
                        className="rounded-lg border border-slate-300 bg-white px-3 py-2 text-sm text-[#0a1530] outline-none focus:border-[#0b7285] dark:border-[#4a3a78] dark:bg-[#160f2d] dark:text-[#efe8ff] dark:focus:border-[#a78bfa]"
                    >
                        <option value="">All statuses</option>
                        <option value="draft">Draft</option>
                        <option value="published">Published</option>
                    </select>
                    <button
                        type="submit"
                        className="rounded-lg border border-slate-300 px-3 py-2 text-sm font-medium text-slate-700 hover:bg-slate-100 dark:border-[#4a3a78] dark:text-[#e5dcff] dark:hover:bg-[#2a1d50]"
                    >
                        Filter
                    </button>
                </form>

                <div className="space-y-3 md:hidden">
                    {articles.data.map((article) => (
                        <article
                            key={article.id}
                            className="rounded-xl border border-slate-200 bg-white p-4 dark:border-[#3c2b68] dark:bg-[#211740]"
                        >
                            <p className="font-semibold text-[#0a1530] dark:text-[#efe8ff]">
                                {article.title}
                            </p>
                            <p className="text-xs text-slate-500 dark:text-[#bcaee6]">
                                {article.slug}
                            </p>
                            <div className="mt-3 grid grid-cols-2 gap-2 text-xs text-slate-700 dark:text-[#c7bde8]">
                                <p>Status: {article.status}</p>
                                <p>Category: {article.category || '-'}</p>
                                <p>Author: {article.author || '-'}</p>
                                <p>Tags: {article.tags_count}</p>
                                <p>Media: {article.media_count}</p>
                                <p>Published: {article.published_at || '-'}</p>
                            </div>
                            <Actions id={article.id} onDelete={deleteArticle} />
                        </article>
                    ))}
                </div>

                <ConfigurableTable
                    tableId="admin-blog-articles"
                    className="hidden overflow-x-auto rounded-xl border border-slate-200 md:block dark:border-[#3c2b68]"
                >
                    <table className="min-w-full divide-y divide-slate-200 text-sm dark:divide-[#3c2b68]">
                        <thead className="bg-slate-50 dark:bg-[#2a1d50]/70">
                            <tr>
                                <th className="px-4 py-3 text-left font-medium text-slate-700 dark:text-[#c7bde8]">
                                    Article
                                </th>
                                <th className="px-4 py-3 text-left font-medium text-slate-700 dark:text-[#c7bde8]">
                                    Status
                                </th>
                                <th className="px-4 py-3 text-left font-medium text-slate-700 dark:text-[#c7bde8]">
                                    Category
                                </th>
                                <th className="px-4 py-3 text-left font-medium text-slate-700 dark:text-[#c7bde8]">
                                    Author
                                </th>
                                <th className="px-4 py-3 text-left font-medium text-slate-700 dark:text-[#c7bde8]">
                                    Media
                                </th>
                                <th className="px-4 py-3 text-left font-medium text-slate-700 dark:text-[#c7bde8]">
                                    Actions
                                </th>
                            </tr>
                        </thead>
                        <tbody className="divide-y divide-slate-100 bg-white dark:divide-[#3c2b68] dark:bg-[#211740]">
                            {articles.data.map((article) => (
                                <tr key={article.id}>
                                    <td className="px-4 py-3">
                                        <p className="font-medium text-[#0a1530] dark:text-[#efe8ff]">
                                            {article.title}
                                        </p>
                                        <p className="text-xs text-slate-500 dark:text-[#bcaee6]">
                                            {article.slug}
                                        </p>
                                    </td>
                                    <td className="px-4 py-3 text-slate-700 dark:text-[#c7bde8]">
                                        {article.status}
                                    </td>
                                    <td className="px-4 py-3 text-slate-700 dark:text-[#c7bde8]">
                                        {article.category || '-'}
                                    </td>
                                    <td className="px-4 py-3 text-slate-700 dark:text-[#c7bde8]">
                                        {article.author || '-'}
                                    </td>
                                    <td className="px-4 py-3 text-slate-700 dark:text-[#c7bde8]">
                                        {article.media_count}
                                    </td>
                                    <td className="px-4 py-3">
                                        <Actions
                                            id={article.id}
                                            onDelete={deleteArticle}
                                        />
                                    </td>
                                </tr>
                            ))}
                        </tbody>
                    </table>
                </ConfigurableTable>

                <div className="flex flex-col gap-3 sm:flex-row sm:items-center sm:justify-between">
                    <p className="text-sm text-slate-600 dark:text-[#c7bde8]">
                        Showing {articles.from || 0} to {articles.to || 0} of{' '}
                        {articles.total} articles
                    </p>
                    <PaginationLinks links={articles.links} />
                </div>
            </div>
        </AdminLayout>
    );
}

function Actions({
    id,
    onDelete,
}: {
    id: number;
    onDelete: (id: number) => void;
}) {
    return (
        <div className="mt-4 flex gap-2 md:mt-0">
            <Link
                href={`/admin/blog-articles/${id}/edit`}
                className="rounded-md border border-slate-300 px-2.5 py-1 text-xs font-medium text-slate-700 hover:bg-slate-100 dark:border-[#4a3a78] dark:text-[#e5dcff] dark:hover:bg-[#2a1d50]"
            >
                Edit
            </Link>
            <button
                type="button"
                onClick={() => onDelete(id)}
                className="rounded-md border border-rose-200 px-2.5 py-1 text-xs font-medium text-rose-700 hover:bg-rose-50"
            >
                Delete
            </button>
        </div>
    );
}

function buildParams(filters: { search: string; status: string }) {
    const params: Record<string, string> = {};

    if (filters.search !== '') {
        params.search = filters.search;
    }

    if (filters.status !== '') {
        params.status = filters.status;
    }

    return params;
}
