add INN registration field

src/app/ui/forms/register-form.tsx

@@ -1,15 +1,17 @@
 'use client'
 
 import styles from '@/app/styles/module/login.module.scss';
-import { ChangeEvent, useActionState, useEffect, useRef, useState } from 'react';
+import { ChangeEvent, useActionState, useEffect, useMemo, useRef, useState } from 'react';
 import { registration, FormState, confirmEmail } from '@/app/actions/auth';
 import PhoneInput from '@/app/ui/inputs/phone-input';
 import Link from 'next/link';
 import { useTranslations } from 'next-intl';
 import { IconEye } from '@/app/ui/icons/icons';
-import { SignupFormSchema } from '@/app/actions/definitions';
+import { getSignupFormSchema } from '@/app/actions/definitions';
 import { useSearchParams } from 'next/navigation';
 import * as z from 'zod'
+import { fetchINN } from '@/app/actions/action';
+import { useDebouncedCallback } from 'use-debounce';
 
 export default function RegisterForm() {
 	const searchParams = useSearchParams();
@@ -39,7 +41,40 @@ export default function RegisterForm() {
 			setShowMailConfirmWindow(true);
 		}
 
-	}, [state])
+	}, [state]);
+
+	const debouncedFetchINN = useDebouncedCallback(
+		async (value) => {
+			const response = await fetchINN(value);
+
+			if (response.companyName) {
+				setFormState({
+					...formState,
+					previousState: {
+						...formState?.previousState,
+						companyName: response.companyName
+					},
+					error: {
+						...formState?.error,
+						companyName: ''
+					}
+				});
+			} else {
+				setFormState({
+					...formState,
+					previousState: {
+						companyName: response.companyName
+					},
+					error: {
+						...formState?.error,
+						companyName: '',
+						inn: 'inn-invalid'
+					}
+				});
+			}
+		},
+		500
+	);
 
 	function showPassowrd(target: 'password' | 'confirm-password') {
 		if (target === 'password') {
@@ -49,13 +84,38 @@ export default function RegisterForm() {
 		}
 	}
 
-	function validateField(
+	type SignupFormSchema = Awaited<ReturnType<typeof getSignupFormSchema>>;
+	const [signupFormSchema, setSignupFormSchema] = useState<SignupFormSchema | null>(null);;
+
+	useEffect(() => {
+		let isMounted = true;
+
+		const loadSchema = async () => {
+			const result = await getSignupFormSchema(accountType);
+			if (isMounted) {
+				setSignupFormSchema(result);
+			}
+		};
+
+		loadSchema();
+
+		return () => {
+			isMounted = false;
+		};
+	}, [accountType]);
+
+	async function validateField(
 		fieldName: string,
 		value: string,
 	) {
 		switch (fieldName) {
 			case 'confirm_password':
-				const baseSchema = SignupFormSchema.shape.confirm_password;
+				const baseSchema = signupFormSchema?.shape.confirm_password;
+
+				if (!baseSchema) {
+					return { success: true, data: value };
+				}
+
 				const baseResult = baseSchema.safeParse(value);
 
 				if (!baseResult.success) {
@@ -85,7 +145,12 @@ export default function RegisterForm() {
 			case 'password':
 			case 'companyName':
 			case 'agree':
-				const schema = SignupFormSchema.shape[fieldName];
+			case 'inn':
+				const schema = signupFormSchema?.shape[fieldName];
+				if (!schema) {
+					return { success: true, data: value };
+				}
+
 				if (fieldName === 'phone') {
 					return schema.safeParse(value.replace(/[-\(\)\s]/g, ''));
 				}
@@ -102,12 +167,45 @@ export default function RegisterForm() {
 		}
 	}
 
-	function onChangeHandler(e: ChangeEvent<HTMLInputElement>): void {
+	async function onChangeHandler(e: ChangeEvent<HTMLInputElement>): Promise<void> {
 		const fieldName = e.target.name;
 		if (fieldName !== 'phone') {
 			e.target.value = e.target.value.replace(/([^a-zA-Zа-яёА-ЯЁ0-9@.!#$%&"'*+/=?^_{|}~\-\s])/g, '');
 		}
-		const validatedField = validateField(fieldName, e.target.value);
+
+		if (fieldName === 'inn') {
+			const currentValue = e.target.value;
+
+			const cleanedValue = currentValue.replace(/([^0-9])/g, '');
+
+			if (cleanedValue.length > 10) {
+				e.target.value = cleanedValue.slice(0, 10);
+				debouncedFetchINN(e.target.value);
+			} else {
+				e.target.value = cleanedValue;
+			}
+
+			if (cleanedValue.length === 10) {
+				debouncedFetchINN(cleanedValue);
+			} else {
+				if (formState) {
+					setFormState({
+						...formState,
+						previousState: {
+							...formState?.previousState,
+							companyName: ''
+						},
+						error: {
+							...formState?.error,
+							companyName: '',
+							inn: ''
+						}
+					});
+				}
+			}
+		}
+
+		const validatedField = await validateField(fieldName, e.target.value);
 
 		if (validatedField.success) {
 			setFormState(prevState => {
@@ -128,16 +226,18 @@ export default function RegisterForm() {
 	function switchRegistrationTypeHandler(e: React.MouseEvent<HTMLButtonElement>, type: 'b2c' | 'b2b') {
 		e.preventDefault();
 		setAccountType(type);
-		if (formState) {
+		if (formState?.previousState) {
 			setFormState({
 				...formState,
 				previousState: {
 					...formState.previousState,
-					companyName: ''
+					companyName: '',
+					inn: ''
 				},
 				error: {
 					...formState.error,
-					companyName: ''
+					companyName: '',
+					inn: ''
 				}
 			});
 		}
@@ -251,36 +351,71 @@ export default function RegisterForm() {
 				</div>
 
 				{accountType === 'b2b' ? (
-					<div className={`${styles['form-group']}`}>
-						<label
-							className={`${styles['form-label']}  ${styles['required']}`}
-						>
-							{t('company')}
-						</label>
-						<input
-							type="text"
-							id="companyName"
-							name="companyName"
-							className={`${styles['form-input']}`}
-							placeholder={t('company-placeholder')}
-							defaultValue={formState?.previousState?.companyName ? formState?.previousState?.companyName : ''}
-							onChange={onChangeHandler}
-						/>
-						{formState?.error?.companyName && (
-							<p className="text-sm text-red-500">
-								{
-									formState?.error?.companyName.split('&').map((e, index) => {
-										return (
-											<span key={index}>
-												{t(e)}
-												<br />
-											</span>
-										)
-									})
-								}
-							</p>
-						)}
-					</div>
+					<>
+						<div className={`${styles['form-group']}`}>
+							<label
+								className={`${styles['form-label']}  ${styles['required']}`}
+							>
+								INN
+							</label>
+							<input
+								type="text"
+								id="inn"
+								name="inn"
+								className={`${styles['form-input']}`}
+								placeholder={'inn'}
+								defaultValue={formState?.previousState?.inn ? formState?.previousState?.inn : ''}
+								onChange={onChangeHandler}
+							/>
+							{formState?.error?.inn && (
+								<p className="text-sm text-red-500">
+									{
+										formState?.error?.inn.split('&').map((e, index) => {
+											return (
+												<span key={index}>
+													{t(e)}
+													<br />
+												</span>
+											)
+										})
+									}
+								</p>
+							)}
+						</div>
+
+						<div className={`${styles['form-group']}`}>
+							<label
+								className={`${styles['form-label']}`}
+							>
+								{t('company')}
+							</label>
+							<input
+								type="text"
+								id="companyName"
+								name="companyName"
+								className={`${styles['form-input']}`}
+								placeholder={t('field-filled-automatically')}
+								value={formState?.previousState?.companyName ?? ''}
+								readOnly={true}
+								/* defaultValue={formState?.previousState?.companyName ? formState?.previousState?.companyName : ''} */
+								onChange={onChangeHandler}
+							/>
+							{formState?.error?.companyName && (
+								<p className="text-sm text-red-500">
+									{
+										formState?.error?.companyName.split('&').map((e, index) => {
+											return (
+												<span key={index}>
+													{t(e)}
+													<br />
+												</span>
+											)
+										})
+									}
+								</p>
+							)}
+						</div>
+					</>
 				) : (
 					<div className={`${styles['form-group']}`}>
 						<label className={`${styles['form-label']}`}>