fix: split zod validation register modal

apps/gacha/src/app/_hooks/use-register.ts

@@ -1,19 +1,48 @@
 import { useForm } from 'react-hook-form';
 import {
   authRegisterSchema,
+  stepOneRegisterSchema,
   TRegisterRequest,
   usePostRegister,
 } from '@imphnen-frontend-service/service';
+import { z } from 'zod';
 import { zodResolver } from '@hookform/resolvers/zod';
 import { toast } from 'sonner';
+import { useEffect, useState } from 'react';
 
 export const useRegister = () => {
   const postRegister = usePostRegister();
   const form = useForm<TRegisterRequest>({
     resolver: zodResolver(authRegisterSchema),
     mode: 'all',
+    defaultValues: {
+      fullname: '',
+      email: '',
+      password: '',
+      confirm_password: '',
+      phone_number: '',
+      referral_code: '',
+      referred_by: '',
+      student_type: '',
+    },
   });
 
+  const [stepValid, setStepValid] = useState(false);
+
+  useEffect(() => {
+    const subscription = form.watch(() => {
+      const { fullname, email, password, confirm_password } = form.getValues();
+      const valid = stepOneRegisterSchema.safeParse({
+        fullname,
+        email,
+        password,
+        confirm_password,
+      }).success;
+      setStepValid(valid);
+    });
+    return () => subscription.unsubscribe();
+  }, [form]);
+
   const onSubmit = form.handleSubmit((data) => {
     postRegister.mutate(data, {
       onSuccess: (data) => toast.success(data.message),
@@ -24,5 +53,6 @@ export const useRegister = () => {
   return {
     form,
     onSubmit,
+    isStepOneValid: stepValid,
   };
 };