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

import { Switch } from '@/components/ui/switch';
import { AdminLayout } from '@/layouts/admin-layout';

type AttributeGroupData = {
    id: number;
    name: string;
    slug: string;
    description: string | null;
    is_active: boolean;
    sort_order: number;
};

type AttributeGroupEditProps = {
    group: AttributeGroupData;
};

type AttributeGroupForm = {
    name: string;
    slug: string;
    description: string;
    is_active: boolean;
    sort_order: string;
};

export default function AttributeGroupEdit({ group }: AttributeGroupEditProps) {
    const form = useForm<AttributeGroupForm>({
        name: group.name,
        slug: group.slug,
        description: group.description || '',
        is_active: group.is_active,
        sort_order: String(group.sort_order),
    });

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

        form.transform((data) => ({
            ...data,
            sort_order: data.sort_order === '' ? 0 : Number(data.sort_order),
        }));

        form.put(`/admin/attribute-groups/${group.id}`);
    };

    return (
        <AdminLayout>
            <Head title="Edit Attribute Group" />

            <div className="space-y-5">
                <div className="flex flex-wrap items-center justify-between gap-3">
                    <h1 className="text-2xl font-semibold text-[#0a1530] dark:text-[#efe8ff]">
                        Edit Attribute Group
                    </h1>
                    <Link
                        href="/admin/attribute-groups"
                        className="text-sm font-medium text-slate-600 hover:text-[#0a1530] dark:text-[#d7c7ff] dark:hover:text-[#efe8ff]"
                    >
                        Back to list
                    </Link>
                </div>

                <form onSubmit={submit} className="space-y-4">
                    <div className="grid gap-4 md:grid-cols-2">
                        <Field label="Name" error={form.errors.name}>
                            <input
                                value={form.data.name}
                                onChange={(event) =>
                                    form.setData('name', event.target.value)
                                }
                                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]"
                                required
                            />
                        </Field>
                        <Field label="Slug" error={form.errors.slug}>
                            <input
                                value={form.data.slug}
                                onChange={(event) =>
                                    form.setData('slug', event.target.value)
                                }
                                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]"
                            />
                        </Field>
                    </div>

                    <Field label="Sort Order" error={form.errors.sort_order}>
                        <input
                            type="number"
                            min={0}
                            value={form.data.sort_order}
                            onChange={(event) =>
                                form.setData('sort_order', event.target.value)
                            }
                            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]"
                        />
                    </Field>

                    <Field label="Description" error={form.errors.description}>
                        <textarea
                            value={form.data.description}
                            onChange={(event) =>
                                form.setData('description', event.target.value)
                            }
                            className="h-28 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]"
                        />
                    </Field>

                    <div className="mt-2 rounded-xl border border-slate-200 bg-slate-50/80 p-4 dark:border-[#3c2b68] dark:bg-[#2a1d50]/40">
                        <div className="flex flex-col gap-4 md:flex-row md:items-center md:justify-between">
                            <div className="inline-flex items-center gap-3 text-sm text-slate-700 dark:text-[#d7c7ff]">
                                <Switch
                                    checked={form.data.is_active}
                                    onChange={(checked) =>
                                        form.setData('is_active', checked)
                                    }
                                    ariaLabel="Active attribute group"
                                />
                                Active attribute group
                            </div>

                            <button
                                type="submit"
                                disabled={form.processing}
                                className="w-full rounded-lg bg-[#0b7285] px-4 py-2 text-sm font-semibold text-white hover:bg-[#095f6f] disabled:opacity-50 md:w-auto dark:bg-[#7c3aed] dark:hover:bg-[#8b5cf6]"
                            >
                                {form.processing ? 'Saving...' : 'Update Group'}
                            </button>
                        </div>
                    </div>
                </form>
            </div>
        </AdminLayout>
    );
}

function Field({
    label,
    error,
    children,
}: {
    label: string;
    error?: string;
    children: React.ReactNode;
}) {
    return (
        <div>
            <label className="block text-sm font-medium text-[#0a1530] dark:text-[#e5dcff]">
                {label}
            </label>
            <div className="mt-1">{children}</div>
            {error ? (
                <p className="mt-1 text-xs text-rose-600">{error}</p>
            ) : null}
        </div>
    );
}
