Add proxy auth ui

proxy/web/src/components/PinCodeInput.tsx

@@ -0,0 +1,107 @@
+import { cn } from "@/utils/helpers";
+import React, {
+  useRef,
+  type KeyboardEvent,
+  type ClipboardEvent,
+  forwardRef,
+  useImperativeHandle,
+} from "react";
+
+export interface PinCodeInputRef {
+  focus: () => void;
+}
+
+interface Props {
+  value: string;
+  onChange: (value: string) => void;
+  length?: number;
+  disabled?: boolean;
+  className?: string;
+  autoFocus?: boolean;
+}
+
+const PinCodeInput = forwardRef<PinCodeInputRef, Props>(function PinCodeInput(
+  { value, onChange, length = 6, disabled = false, className, autoFocus = false },
+  ref,
+) {
+  const inputRefs = useRef<(HTMLInputElement | null)[]>([]);
+
+  useImperativeHandle(ref, () => ({
+    focus: () => {
+      inputRefs.current[0]?.focus();
+    },
+  }));
+
+  const digits = value.split("").concat(Array(length).fill("")).slice(0, length);
+
+  const handleChange = (index: number, digit: string) => {
+    if (!/^\d*$/.test(digit)) return;
+
+    const newDigits = [...digits];
+    newDigits[index] = digit.slice(-1);
+    const newValue = newDigits.join("").replace(/\s/g, "");
+    onChange(newValue);
+
+    if (digit && index < length - 1) {
+      inputRefs.current[index + 1]?.focus();
+    }
+  };
+
+  const handleKeyDown = (index: number, e: KeyboardEvent<HTMLInputElement>) => {
+    if (e.key === "Backspace" && !digits[index] && index > 0) {
+      inputRefs.current[index - 1]?.focus();
+    }
+    if (e.key === "ArrowLeft" && index > 0) {
+      inputRefs.current[index - 1]?.focus();
+    }
+    if (e.key === "ArrowRight" && index < length - 1) {
+      inputRefs.current[index + 1]?.focus();
+    }
+  };
+
+  const handlePaste = (e: ClipboardEvent<HTMLInputElement>) => {
+    e.preventDefault();
+    const pastedData = e.clipboardData.getData("text").replace(/\D/g, "").slice(0, length);
+    onChange(pastedData);
+
+    const nextIndex = Math.min(pastedData.length, length - 1);
+    inputRefs.current[nextIndex]?.focus();
+  };
+
+  const handleFocus = (e: React.FocusEvent<HTMLInputElement>) => {
+    e.target.select();
+  };
+
+  return (
+    <div className={cn("flex gap-2 w-full min-w-0", className)}>
+      {digits.map((digit, index) => (
+        <input
+          key={index}
+          ref={(el) => {
+            inputRefs.current[index] = el;
+          }}
+          type="text"
+          inputMode="numeric"
+          maxLength={1}
+          value={digit}
+          onChange={(e) => handleChange(index, e.target.value)}
+          onKeyDown={(e) => handleKeyDown(index, e)}
+          onPaste={handlePaste}
+          onFocus={handleFocus}
+          disabled={disabled}
+          autoFocus={autoFocus && index === 0}
+          className={cn(
+            "flex-1 min-w-0 h-[42px] text-center text-sm rounded-md",
+            "dark:bg-nb-gray-900 border dark:border-nb-gray-700",
+            "dark:placeholder:text-neutral-400/70",
+            "focus-visible:outline-none focus-visible:ring-2 focus-visible:ring-offset-2",
+            "ring-offset-neutral-200/20 dark:ring-offset-neutral-950/50 dark:focus-visible:ring-neutral-500/20",
+            "disabled:cursor-not-allowed disabled:opacity-40"
+          )}
+        />
+      ))}
+    </div>
+  );
+});
+
+export default PinCodeInput;