import { adminToast } from '@admin/components/ui/admin-toast';
import { CreatePageLayout } from '@admin/components/ui/create-page-layout';
import { DataTable, type DataTableColumn } from '@admin/components/ui/data-table';
import { DeleteConfirmationModal } from '@admin/components/ui/delete-confirmation-modal';
import { formClassName } from '@admin/components/ui/field-styles';
import { useCrudPermissions } from '@admin/hooks/use-crud-permissions';
import { useFormResponse } from '@admin/hooks/use-form-response';
import { dashboardPersistentLayout } from '@admin/layouts/dashboard-page-layout';
import EditFaq from '@admin/pages/faqs/edit-faq';
import { FaqFormFields } from '@admin/pages/faqs/faq-form-fields';
import { Head, useForm } from '@inertiajs/react';
import { FormEvent, useState } from 'react';

type FaqSummary = { id: number; question: string; status: boolean };
type FaqRecord = FaqSummary & { answer?: string; sort_order?: number };

const sidebarColumns: DataTableColumn<FaqSummary>[] = [
    { header: 'Question', key: 'question', truncate: true },
    { header: 'Status', key: 'status', className: 'w-24' },
];

function CreateFaq({ faqs }: { faqs: FaqSummary[] }) {
    const { canEdit, canDelete } = useCrudPermissions('faq');
    const [isEditModalOpen, setIsEditModalOpen] = useState(false);
    const [initialData, setInitialData] = useState<FaqRecord | null>(null);
    const [deleteModal, setDeleteModal] = useState<{ show: boolean; faq: FaqSummary | null }>({ show: false, faq: null });
    const { data, setData, post, processing, errors, reset } = useForm({ question: '', answer: '', sort_order: faqs.length + 1, status: true });
    const action = useFormResponse({ onComplete: () => reset(), loadingMessage: 'Saving question...' });

    const handleSubmit = (event: FormEvent) => {
        event.preventDefault();
        post('/admin/api/create_faq', { onStart: action.onStart, onSuccess: action.onSuccess, onError: action.onError, preserveScroll: true });
    };

    const handleEdit = async (row: FaqSummary) => {
        try {
            const response = await fetch(`/admin/edit_faq/${row.id}`);
            if (!response.ok) {
                throw new Error('Failed');
            }
            setInitialData((await response.json()) as FaqRecord);
            setIsEditModalOpen(true);
        } catch {
            adminToast.error('Could not load question');
        }
    };

    return (
        <>
            <Head title="Add question" />
            <CreatePageLayout
                indexHref={route('admin.faqs')}
                form={
                    <div className="box">
                        <div className="box-header"><h5 className="box-title">Add question</h5></div>
                        <div className="box-body">
                            <form className={formClassName} noValidate onSubmit={handleSubmit}>
                                <FaqFormFields data={data} errors={errors} setData={setData} />
                                <button type="submit" className="ti-btn ti-btn-primary" disabled={processing}>Save</button>
                            </form>
                        </div>
                    </div>
                }
                sidebar={<DataTable data={faqs} columns={sidebarColumns} title="Questions" compact onEdit={canEdit ? handleEdit : undefined} onDelete={canDelete ? (row) => setDeleteModal({ show: true, faq: row }) : undefined} showEdit={canEdit} showDelete={canDelete} noDataText="No questions yet" />}
            />
            <DeleteConfirmationModal isOpen={deleteModal.show} onClose={() => setDeleteModal({ show: false, faq: null })} itemName={deleteModal.faq?.question || 'this question'} itemType="question" deleteEndpoint={`/admin/api/delete_faq/${deleteModal.faq?.id ?? ''}`} loadingMessage="Deleting question..." />
            <EditFaq isOpen={isEditModalOpen} onClose={() => setIsEditModalOpen(false)} initialData={initialData} />
        </>
    );
}

export default Object.assign(CreateFaq, { layout: dashboardPersistentLayout('Add question', 'Add a question for the homepage and About page') });