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 { formatRoleName } from '@admin/lib/format-role-name';
import { dashboardPersistentLayout } from '@admin/layouts/dashboard-page-layout';
import EditUser from '@admin/pages/users/edit-user';
import type { PermissionSection } from '@admin/components/ui/forms/permission-matrix';
import { RoleOption, UserFormFields } from '@admin/pages/users/user-form-fields';
import { Head, useForm } from '@inertiajs/react';
import { FormEvent, useState } from 'react';

type UserSummary = {
    id: number;
    name: string;
    email: string;
    role: string | null;
    status: boolean;
};

type UserRecord = UserSummary & {
    role: string | number;
    permissions: string[];
};

type CreateUserProps = {
    users: UserSummary[];
    roles: RoleOption[];
    permissionSections: PermissionSection[];
};

const sidebarColumns: DataTableColumn<UserSummary>[] = [
    { header: 'Name', key: 'name', truncate: true, className: 'w-[40%]' },
    { header: 'Role', key: 'role', render: (row) => formatRoleName(row.role), className: 'w-28' },
    { header: 'Status', key: 'status', className: 'w-24' },
];

function CreateUser({ users, roles, permissionSections }: CreateUserProps) {
    const { canEdit, canDelete } = useCrudPermissions('user');
    const [isEditModalOpen, setIsEditModalOpen] = useState(false);
    const [initialData, setInitialData] = useState<UserRecord | null>(null);
    const [deleteModal, setDeleteModal] = useState<{ show: boolean; user: UserSummary | null }>({
        show: false,
        user: null,
    });

    const { data, setData, post, processing, errors, reset } = useForm({
        name: '',
        email: '',
        password: '',
        password_confirmation: '',
        role: '',
        permissions: [] as string[],
        status: true,
        send_password_to_user: false,
    });

    const action = useFormResponse({ onComplete: reset, loadingMessage: 'Creating user...' });

    const handleEdit = async (row: UserSummary) => {
        try {
            const response = await fetch(`/admin/edit_user/${row.id}`);
            if (!response.ok) {
                throw new Error('Failed to fetch user');
            }

            const userData = (await response.json()) as UserRecord;
            setInitialData(userData);
            setIsEditModalOpen(true);
        } catch {
            adminToast.error('Could not load user details');
        }
    };

    const handleSubmit = (event: FormEvent) => {
        event.preventDefault();

        post('/admin/api/create_user', {
            onStart: action.onStart,
            onSuccess: action.onSuccess,
            onError: action.onError,
            preserveScroll: true,
        });
    };

    return (
        <>
            <Head title="Create user" />

            <CreatePageLayout
                indexHref={route('admin.users')}
                form={
                    <div className="box">
                        <div className="box-header">
                            <h5 className="box-title">Add user</h5>
                        </div>
                        <div className="box-body">
                            <form className={formClassName} noValidate onSubmit={handleSubmit}>
                                <UserFormFields
                                    data={data}
                                    errors={errors}
                                    setData={setData}
                                    roles={roles}
                                    permissionSections={permissionSections}
                                    passwordRequired={!data.send_password_to_user}
                                    showSendPasswordOption
                                />
                                <button type="submit" className="ti-btn ti-btn-primary" disabled={processing}>
                                    Save
                                </button>
                            </form>
                        </div>
                    </div>
                }
                sidebar={
                    <DataTable
                        data={users}
                        columns={sidebarColumns}
                        title="Users"
                        compact
                        onEdit={canEdit ? handleEdit : undefined}
                        onDelete={canDelete ? (row) => setDeleteModal({ show: true, user: row }) : undefined}
                        showEdit={canEdit}
                        showDelete={canDelete}
                        noDataText="No users yet"
                    />
                }
            />

            <DeleteConfirmationModal
                isOpen={deleteModal.show}
                onClose={() => setDeleteModal({ show: false, user: null })}
                itemName={deleteModal.user?.name ?? 'this user'}
                itemType="user"
                deleteEndpoint={`/admin/api/delete_user/${deleteModal.user?.id ?? ''}`}
                loadingMessage="Deleting user..."
            />

            <EditUser
                isOpen={isEditModalOpen}
                onClose={() => setIsEditModalOpen(false)}
                initialData={initialData}
                roles={roles}
                permissionSections={permissionSections}
            />
        </>
    );
}

export default Object.assign(CreateUser, {
    layout: dashboardPersistentLayout('Create user', 'Add a staff account and assign a role'),
});
