Fixed confirmation page and added comments

src/components/MyWallet/Popup/AddFundPop.jsx

@@ -26,46 +26,59 @@ function AddFundPop({
   };
 
   const handleSubmit = async () => {
-    setInputError("");
-    setConfirmCredit((prev) => ({
-      ...prev,
-      show: { awaitConfirm: { loader: true } },
-    }));
-
-    if (!input || input === "0") {
-      setConfirmCredit((prev) => ({
-        ...prev,
-        show: { awaitConfirm: { loader: false } },
-      }));
-      setInputError("Please Enter Amount");
-      setTimeout(() => setInputError(""), 5000);
-      return;
-    }
-
-    if (Number(input) * 100 > Number(walletItem?.transfer_limit)) {
-      setInputError("Credit limit has been exceeded");
-      setTimeout(() => setInputError(""), 5000);
-      return;
-    }
-
-    if (isNaN(input)) {
-      setConfirmCredit((prev) => ({
-        ...prev,
-        show: { awaitConfirm: { loader: false } },
-      }));
-      setInputError("Amount must be a Number");
-      setTimeout(() => setInputError(""), 5000);
-      return;
-    }
-
-    let stateData = {
-      amount: Number(input) * 100,
-      currency: walletItem?.code,
-    };
-
     try {
+      // Clear any previous input error and set the loading spinner to be shown
+      setInputError("");
+      setConfirmCredit((prev) => ({
+        ...prev,
+        show: { awaitConfirm: { loader: true } },
+      }));
+
+      // Perform validation checks on the input amount
+      if (!input || input === "0") {
+        // Handle input validation error
+        setConfirmCredit((prev) => ({
+          ...prev,
+          show: { awaitConfirm: { loader: false } },
+        }));
+        setInputError("Please Enter Amount");
+        setTimeout(() => setInputError(""), 5000);
+        return;
+      }
+
+      if (Number(input) * 100 > Number(walletItem?.transfer_limit)) {
+        // Handle credit limit exceeded error
+        setConfirmCredit((prev) => ({
+          ...prev,
+          show: { awaitConfirm: { loader: false } },
+        }));
+        setInputError("Credit limit has been exceeded");
+        setTimeout(() => setInputError(""), 5000);
+        return;
+      }
+
+      if (isNaN(input)) {
+        // Handle invalid input error
+        setConfirmCredit((prev) => ({
+          ...prev,
+          show: { awaitConfirm: { loader: false } },
+        }));
+        setInputError("Amount must be a Number");
+        setTimeout(() => setInputError(""), 5000);
+        return;
+      }
+
+      // Prepare state data for API call
+      let stateData = {
+        amount: Number(input) * 100,
+        currency: walletItem?.code,
+      };
+
+      // Make API call to start credit process
       const res = await apiCall.getStartCredit(stateData);
+
       if (res.data.internal_return < 0) {
+        // Handle API error
         setConfirmCredit((prev) => ({
           ...prev,
           show: { awaitConfirm: { loader: false } },
@@ -75,6 +88,7 @@ function AddFundPop({
         return;
       }
 
+      // Update state with response data
       const _response = res.data;
       stateData.amount = Number(input);
       stateData.currency = currency;
@@ -91,6 +105,7 @@ function AddFundPop({
         }));
       }, 1500);
     } catch (error) {
+      // Handle API call error
       setConfirmCredit((prev) => ({
         ...prev,
         show: { awaitConfirm: { loader: false } },
@@ -116,6 +131,7 @@ function AddFundPop({
                   placeholder="0"
                   value={input}
                   inputHandler={handleChange}
+                  tabIndex={0}
                 />
                 <p className="text-base text-red-500 italic h-5">
                   {inputError && inputError}