Fix/multiple generation (#104)

* fixes #100

* Fix test

* fix: fix bad configuration issue

ui/src/components/flow/nodes/WebhookNode.tsx

@@ -10,6 +10,8 @@ import {
     HttpMethodSelector,
     KeyValueEditor,
     type KeyValueItem,
+    UrlInput,
+    validateUrl,
 } from "@/components/http";
 import { Button } from "@/components/ui/button";
 import { Input } from "@/components/ui/input";
@@ -57,8 +59,9 @@ export const WebhookNode = memo(({ data, selected, id }: WebhookNodeProps) => {
 
     const handleSave = async () => {
         // Validate endpoint URL
-        if (!endpointUrl.trim()) {
-            setEndpointError('Endpoint URL is required');
+        const urlValidation = validateUrl(endpointUrl);
+        if (!urlValidation.valid) {
+            setEndpointError(urlValidation.error || 'Invalid URL');
             return;
         }
         setEndpointError(null);
@@ -284,10 +287,11 @@ const WebhookNodeEditForm = ({
                     <Label className="text-xs text-muted-foreground">
                         The URL to send the webhook request to.
                     </Label>
-                    <Input
+                    <UrlInput
                         value={endpointUrl}
-                        onChange={(e) => setEndpointUrl(e.target.value)}
+                        onChange={setEndpointUrl}
                         placeholder="https://api.example.com/webhook"
+                        showValidation
                     />
                 </div>
             </TabsContent>

ui/src/components/http/index.ts

@@ -3,3 +3,4 @@ export { CredentialSelector } from "./credential-selector";
 export { type HttpMethod, HttpMethodSelector } from "./http-method-selector";
 export { KeyValueEditor, type KeyValueItem } from "./key-value-editor";
 export { ParameterEditor, type ParameterType,type ToolParameter } from "./parameter-editor";
+export { UrlInput, type UrlValidationResult,validateUrl } from "./url-input";

ui/src/components/http/url-input.tsx

@@ -0,0 +1,106 @@
+"use client";
+
+import { useCallback, useState } from "react";
+
+import { Input } from "@/components/ui/input";
+import { cn } from "@/lib/utils";
+
+// URL regex pattern that validates:
+// - http:// or https:// protocol (required)
+// - Optional username:password@
+// - Domain name or IP address
+// - Optional port number
+// - Optional path, query string, and fragment
+const URL_REGEX =
+    /^https?:\/\/(?:[\w-]+(?::[\w-]+)?@)?(?:[\w-]+\.)*[\w-]+(?::\d{1,5})?(?:\/[^\s]*)?$/i;
+
+export interface UrlValidationResult {
+    valid: boolean;
+    error?: string;
+}
+
+export function validateUrl(url: string): UrlValidationResult {
+    const trimmedUrl = url.trim();
+
+    if (!trimmedUrl) {
+        return { valid: false, error: "URL is required" };
+    }
+
+    if (!URL_REGEX.test(trimmedUrl)) {
+        return {
+            valid: false,
+            error: "Invalid URL format. Must start with http:// or https://",
+        };
+    }
+
+    return { valid: true };
+}
+
+interface UrlInputProps {
+    value: string;
+    onChange: (value: string) => void;
+    placeholder?: string;
+    disabled?: boolean;
+    className?: string;
+    /** Show validation error styling and message inline */
+    showValidation?: boolean;
+    /** Called when validation state changes */
+    onValidationChange?: (result: UrlValidationResult) => void;
+}
+
+export function UrlInput({
+    value,
+    onChange,
+    placeholder = "https://api.example.com/endpoint",
+    disabled = false,
+    className,
+    showValidation = false,
+    onValidationChange,
+}: UrlInputProps) {
+    const [touched, setTouched] = useState(false);
+
+    const handleChange = useCallback(
+        (e: React.ChangeEvent<HTMLInputElement>) => {
+            const newValue = e.target.value;
+            onChange(newValue);
+
+            if (onValidationChange && (touched || newValue)) {
+                onValidationChange(validateUrl(newValue));
+            }
+        },
+        [onChange, onValidationChange, touched]
+    );
+
+    const handleBlur = useCallback(() => {
+        setTouched(true);
+        const trimmedValue = value.trim();
+        if (trimmedValue !== value) {
+            onChange(trimmedValue);
+        }
+        if (onValidationChange && trimmedValue) {
+            onValidationChange(validateUrl(trimmedValue));
+        }
+    }, [onChange, onValidationChange, value]);
+
+    const validation = validateUrl(value);
+    const showError = showValidation && touched && !validation.valid && value;
+
+    return (
+        <div className="space-y-1">
+            <Input
+                value={value}
+                onChange={handleChange}
+                onBlur={handleBlur}
+                placeholder={placeholder}
+                disabled={disabled}
+                className={cn(
+                    showError && "border-destructive focus-visible:ring-destructive",
+                    className
+                )}
+            />
+            {showError && (
+                <p className="text-xs text-destructive">{validation.error}</p>
+            )}
+        </div>
+    );
+}