src/app/_components/admin/CreateCountryForm.tsx

@@ -23,19 +23,22 @@ export default function CreateCountryForm() {
   }, [formState.message]);
   return (
     <form ref={formRef} action={formAction} className="flex flex-col gap-2">
-      <div className="flex items-center gap-2">
+      <div className="flex max-w-3xl items-center gap-2">
         <Input
           name="name"
           id="name"
           className={clsx({ "border-red-500": formState.errors?.name })}
         />
-        {formState.message === "success" ? (
+        {formState.message !== "" && !formState.errors?.name ? (
           <Check className="text-green-500" />
         ) : (
           ""
         )}
-        {formState.message === "error" ? (
-          <CircleX className="text-red-500" />
+        {formState.errors?.name ? (
+          <div className="flex min-w-96 items-center gap-1 text-red-500">
+            <CircleX />
+            <span className="text-sm">{formState.errors?.name}</span>
+          </div>
         ) : (
           ""
         )}

src/app/_components/admin/CreateRegionForm.tsx

@@ -1,7 +1,7 @@
 "use client";
 import { Input } from "~/components/ui/input";
 import SubmitButton from "../SubmitButton";
-import { useActionState } from "react";
+import { useEffect, useRef } from "react";
 import { addRegion } from "~/server/actions/addRegion";
 import {
   Select,
@@ -11,6 +11,8 @@ import {
   SelectValue,
 } from "~/components/ui/select";
 import { useFormState } from "react-dom";
+import clsx from "clsx";
+import { Check, CircleX } from "lucide-react";
 
 interface Country {
   id: string;
@@ -18,25 +20,72 @@ interface Country {
 }
 
 export default function CreateRegionForm(props: { countries: Country[] }) {
-  const [state, formAction] = useFormState(addRegion, null);
+  const [formState, formAction] = useFormState(addRegion, {
+    message: "",
+    errors: undefined,
+    fieldValues: {
+      name: "",
+      countryId: "",
+    },
+  });
   const { countries } = props;
+  const formRef = useRef<HTMLFormElement>(null);
+  useEffect(() => {
+    if (formState.message === "success") {
+      formRef.current?.reset();
+    }
+  }, [formState.message]);
   return (
-    <form action={formAction}>
-      <Input name="name" />
-      <Select name="country">
-        <SelectTrigger className="w-[180px]">
-          <SelectValue placeholder="Country" />
-        </SelectTrigger>
-        <SelectContent>
-          {countries.map((country) => (
-            <SelectItem key={country.id} value={country.id}>
-              {country.name}
-            </SelectItem>
-          ))}
-        </SelectContent>
-      </Select>
+    <form ref={formRef} action={formAction} className="flex flex-col gap-2">
+      <div className="flex max-w-3xl items-center gap-2">
+        <Input
+          name="name"
+          id="name"
+          placeholder="Name"
+          className={`${clsx({ "border-red-500": formState.errors?.name })}`}
+        />
+        {formState.message === "success" && !formState.errors?.name ? (
+          <Check className="text-green-500" />
+        ) : (
+          ""
+        )}
+        {formState.errors?.name ? (
+          <div className="flex min-w-40 items-center gap-1 text-red-500">
+            <CircleX className="text-red-500" />
+            <span className="text-sm">{formState.errors?.name}</span>
+          </div>
+        ) : (
+          ""
+        )}
+      </div>
+      <div className="flex max-w-3xl items-center gap-2">
+        <Select name="country">
+          <SelectTrigger
+            className={`w-[180px] ${clsx({ "border-red-500": formState.errors?.countryId })}`}
+          >
+            <SelectValue placeholder="Country" />
+          </SelectTrigger>
+          <SelectContent>
+            {countries.map((country) => (
+              <SelectItem key={country.id} value={country.id}>
+                {country.name}
+              </SelectItem>
+            ))}
+          </SelectContent>
+        </Select>
+        {formState.message !== "" && !formState.errors?.countryId ? (
+          <Check className="text-green-500" />
+        ) : (
+          ""
+        )}
+        {formState.errors?.countryId ? (
+          <CircleX className="text-red-500" />
+        ) : (
+          ""
+        )}
+      </div>
+
       <SubmitButton text={"Region"} />
-      <span>{state?.message}</span>
     </form>
   );
 }