Add share with friends functionality

src/components/ShareOptions/ShareFriendList.tsx

@@ -1,8 +1,11 @@
 import { useEffect, useState } from 'react';
 import { useToast } from '../../hooks/use-toast';
 import { UserItem } from './UserItem';
-import { Users2 } from 'lucide-react';
+import { Check, Copy, Group, UserPlus2, Users2 } from 'lucide-react';
-import {httpGet} from "../../lib/http";
+import { httpGet } from '../../lib/http';
+import { getUser } from '../../lib/jwt.ts';
+import { useCopyText } from '../../hooks/use-copy-text.ts';
+import { cn } from '../../lib/classname.ts';
 
 export type FriendshipStatus =
   | 'none'
@@ -41,10 +44,13 @@ type ShareFriendListProps = {
 };
 
 export function ShareFriendList(props: ShareFriendListProps) {
+  const userId = getUser()?.id!;
   const { setFriends, friends, sharedFriendIds, setSharedFriendIds } = props;
   const toast = useToast();
 
+  const { isCopied, copyText } = useCopyText();
   const [isLoading, setIsLoading] = useState(true);
+  const [isAddingFriend, setIsAddingFriend] = useState(false);
 
   async function loadFriends() {
     if (friends.length > 0) {
@@ -53,7 +59,7 @@ export function ShareFriendList(props: ShareFriendListProps) {
 
     setIsLoading(true);
     const { response, error } = await httpGet<ListFriendsResponse>(
-      `${import.meta.env.PUBLIC_API_URL}/v1-list-friends`
+      `${import.meta.env.PUBLIC_API_URL}/v1-list-friends`,
     );
 
     if (error || !response) {
@@ -87,6 +93,10 @@ export function ShareFriendList(props: ShareFriendListProps) {
     </ul>
   );
 
+  const isDev = import.meta.env.DEV;
+  const baseWebUrl = isDev ? 'http://localhost:3000' : 'https://roadmap.sh';
+  const befriendUrl = `${baseWebUrl}/befriend?u=${userId}`;
+
   return (
     <>
       {(friends.length > 0 || isLoading) && (
@@ -112,6 +122,7 @@ export function ShareFriendList(props: ShareFriendListProps) {
 
       {loadingFriends}
       {friends.length > 0 && !isLoading && (
+        <>
           <ul className="mt-2 grid grid-cols-3 gap-1.5">
             {friends.map((friend) => {
               const isSelected = sharedFriendIds?.includes(friend.userId);
@@ -127,7 +138,7 @@ export function ShareFriendList(props: ShareFriendListProps) {
                     onClick={() => {
                       if (isSelected) {
                         setSharedFriendIds(
-                        sharedFriendIds.filter((id) => id !== friend.userId)
+                          sharedFriendIds.filter((id) => id !== friend.userId),
                         );
                       } else {
                         setSharedFriendIds([...sharedFriendIds, friend.userId]);
@@ -138,6 +149,58 @@ export function ShareFriendList(props: ShareFriendListProps) {
               );
             })}
           </ul>
+          {!isAddingFriend && (
+            <p className="mt-6 text-sm text-gray-600">
+              Don't see a Friend?{' '}
+              <button
+                onClick={() => {
+                  setIsAddingFriend(true);
+                }}
+                className="font-semibold text-gray-900 underline"
+              >
+                Add them
+              </button>
+            </p>
+          )}
+          {isAddingFriend && (
+            <div className="-mx-4 -mb-4 mt-6 border-t bg-gray-50 px-4 py-4">
+              <p className="mb-1.5 flex items-center gap-1 text-sm text-gray-800">
+                <UserPlus2 className="text-gray-500" size="20px" />
+                Share the link below with your friends to invite them
+              </p>
+              <div className="relative">
+                <input
+                  readOnly
+                  type="text"
+                  value={befriendUrl}
+                  onClick={(e) => {
+                    e.preventDefault();
+                    (e.target as HTMLInputElement).select();
+                    copyText(befriendUrl);
+                  }}
+                  className={cn(
+                    'w-full rounded-md border px-2 py-2 text-sm focus:shadow-none focus:outline-0',
+                    {
+                      'border-green-400 bg-green-50': isCopied,
+                    },
+                  )}
+                />
+                <button
+                  onClick={() => copyText(befriendUrl)}
+                  className="absolute bottom-0 right-0 top-0 flex items-center px-2.5"
+                >
+                  {isCopied ? (
+                    <span className="flex items-center gap-1 text-sm font-medium text-green-600">
+                      <Check className="text-green-600" size="18px" /> Copied
+                    </span>
+                  ) : (
+                    <Copy className="text-gray-400" size="18px" />
+                  )}
+                </button>
+              </div>
+            </div>
+          )}
+        </>
       )}
 
       {friends.length === 0 && !isLoading && (