chore(web): improve checkout page ui

web/app/(app)/checkout/[planName]/page.tsx

@@ -1,9 +1,10 @@
 'use client'
 
-import { useState, useEffect } from 'react'
+import { useState, useEffect, useCallback } from 'react'
 import httpBrowserClient from '@/lib/httpBrowserClient'
 import { useSession } from 'next-auth/react'
 import { redirect } from 'next/navigation'
+import { Loader, CheckCircle } from 'lucide-react'
 
 export default function CheckoutPage({ params }) {
   const [error, setError] = useState<string | null>(null)
@@ -12,34 +13,63 @@ export default function CheckoutPage({ params }) {
 
   const { data: session } = useSession()
 
-  useEffect(() => {
-    const initiateCheckout = async () => {
-      try {
-        const response = await httpBrowserClient.post('/billing/checkout', {
-          planName,
-        })
+  const initiateCheckout = useCallback(async (retries = 2) => {
+    try {
+      const response = await httpBrowserClient.post('/billing/checkout', {
+        planName,
+      })
 
+      if (response.data?.redirectUrl) {
         window.location.href = response.data?.redirectUrl
-      } catch (error) {
+      } else {
+        throw new Error('No redirect URL found')
+      }
+    } catch (error) {
+      if (retries > 0) {
+        initiateCheckout(retries - 1)
+      } else {
         setError('Failed to create checkout session. Please try again.')
         console.error(error)
       }
     }
+  }, [planName])
 
+  useEffect(() => {
     initiateCheckout()
-  }, [planName])
+  }, [initiateCheckout])
 
   if (!session?.user) {
     return redirect(`/login?redirect=${window.location.href}`)
   }
 
   if (error) {
-    return <div className='text-red-500'>{error}</div>
+    return (
+      <div className='flex flex-col items-center justify-center h-screen'>
+        <div className='text-red-500'>{error}</div>
+        <button
+          onClick={() => {
+            setError(null)
+            initiateCheckout()
+          }}
+          className='mt-4 px-4 py-2 bg-blue-500 text-white rounded hover:bg-blue-600'
+        >
+          Try Again
+        </button>
+      </div>
+    )
   }
 
   return (
-    <div className='flex justify-center items-center min-h-[50vh]'>
-      processing...
+    <div className='flex flex-col items-center justify-center min-h-[80vh] bg-gray-100 p-6 rounded-lg shadow-lg'>
+      <Loader className='animate-spin mb-4 text-blue-500' size={48} />
+      <h2 className='text-2xl font-bold text-gray-800 mb-2'>Hang Tight!</h2>
+      <p className='text-lg text-gray-600 mb-4'>
+        We're processing your order. This won't take long!
+      </p>
+      <CheckCircle className='text-green-500 mb-2' size={32} />
+      <span className='text-lg font-semibold'>
+        Thank you for your patience!
+      </span>
     </div>
   )
 }