Email verification screen (6 digit code screen) (#303)

Added dummy email verification screen with error messages.

client/app/components/auth/SubmitButton.tsx

@@ -0,0 +1,32 @@
+import React from "react";
+import { StyleSheet, Text, TouchableOpacity, Dimensions } from "react-native";
+
+import { SubmitButtonProps } from "../../types/Props";
+
+const SubmitButton: React.FC<SubmitButtonProps> = ({ onPress }) => {
+  return (
+    <TouchableOpacity style={styles.button} onPress={onPress}>
+      <Text style={styles.button_text}>Submit</Text>
+    </TouchableOpacity>
+  );
+};
+
+const styles = StyleSheet.create({
+  button: {
+    backgroundColor: "#5dbea3",
+    width: Dimensions.get("window").width * 0.5,
+    height: Dimensions.get("window").height * 0.05,
+    display: "flex",
+    justifyContent: "center",
+    alignItems: "center",
+    borderRadius: 100,
+  },
+
+  button_text: {
+    color: "white",
+    fontFamily: "Quicksand-Medium",
+    fontSize: Dimensions.get("window").height * 0.027,
+  },
+});
+
+export default SubmitButton;

client/app/navigation/AuthNavigator.tsx

@@ -4,6 +4,7 @@ import * as React from "react";
 import LoginScreen from "../screens/auth/LoginScreen";
 import SignUpScreen from "../screens/auth/SignUpScreen";
 import WelcomeScreen from "../screens/auth/WelcomeScreen";
+import EmailVerificationScreen from "../screens/auth/EmailVerificationScreen";
 
 const Stack = createStackNavigator();
 
@@ -16,6 +17,10 @@ const AuthNavigator = () => {
       <Stack.Screen name="Welcome" component={WelcomeScreen} />
       <Stack.Screen name="Log In" component={LoginScreen} />
       <Stack.Screen name="Sign Up" component={SignUpScreen} />
+      <Stack.Screen
+        name="Email Verification"
+        component={EmailVerificationScreen}
+      />
     </Stack.Navigator>
   );
 };

client/app/screens/auth/EmailVerificationScreen.tsx

@@ -0,0 +1,165 @@
+import React, { useState, useRef } from "react";
+import {
+  View,
+  Text,
+  StyleSheet,
+  Dimensions,
+  TouchableWithoutFeedback,
+  Keyboard,
+  TextInput,
+  TouchableOpacity,
+} from "react-native";
+import SubmitButton from "../../components/auth/SubmitButton";
+
+const EmailVerificationScreen = ({ navigation }: any) => {
+  const maxCodeLength = 6;
+  const [code, setCode] = useState("");
+  const [errorMessage, setErrorMessage] = useState("");
+  const hiddenInputRef = useRef<TextInput>(null);
+
+  const handlePress = () => {
+    hiddenInputRef.current?.focus();
+  };
+
+  const handleChangeText = (text: string) => {
+    if (text.length <= maxCodeLength) {
+      setCode(text);
+      setErrorMessage("");
+    }
+  };
+
+  const handleSubmit = () => {
+    if (!code || code.length < maxCodeLength) {
+      setErrorMessage("Please enter a complete 6-digit code.");
+      return;
+    }
+
+    const validCode = "111111"; // <<<<<< Placeholder for actual verification code HERE
+    if (code !== validCode) {
+      setErrorMessage("The code you entered is incorrect, please try again.");
+      return;
+    }
+
+    navigation.navigate("Sign Up"); // <<<<<< Replace with actual navigation target HERE
+  };
+
+  return (
+    <TouchableWithoutFeedback onPress={Keyboard.dismiss}>
+      <View style={styles.main_container}>
+        <View style={styles.header_container}>
+          <Text style={styles.header_text}>Just one more step!</Text>
+          <Text style={styles.subheader_text}>
+            Verify your email with the code we just sent you!
+          </Text>
+        </View>
+
+        <View style={styles.input_container}>
+          <TouchableOpacity
+            style={styles.boxContainer}
+            onPress={handlePress}
+            activeOpacity={1}>
+            {Array.from({ length: maxCodeLength }).map((_, index) => (
+              <View key={index} style={styles.box}>
+                <Text style={styles.boxText}>{code[index] || ""}</Text>
+              </View>
+            ))}
+          </TouchableOpacity>
+
+          <TextInput
+            ref={hiddenInputRef}
+            value={code}
+            onChangeText={handleChangeText}
+            keyboardType="number-pad"
+            maxLength={maxCodeLength}
+            style={styles.hiddenInput}
+            autoFocus={true}
+          />
+        </View>
+
+        <View style={styles.button_container}>
+          <SubmitButton onPress={handleSubmit} />
+        </View>
+
+        {errorMessage ? (
+          <Text style={styles.errorText}>{errorMessage}</Text>
+        ) : null}
+
+        {/* REMOVE THIS AFTERWARDS vv*/}
+        <Text style={styles.subheader_text}>Try "111111"!</Text>
+        {/* REMOVE THIS AFTERWARDS ^^*/}
+      </View>
+    </TouchableWithoutFeedback>
+  );
+};
+
+const styles = StyleSheet.create({
+  main_container: {
+    display: "flex",
+    height: "100%",
+    width: "100%",
+    justifyContent: "flex-start",
+    alignItems: "center",
+    paddingHorizontal: Dimensions.get("window").width * 0.11,
+    paddingVertical: Dimensions.get("window").height * 0.01,
+    backgroundColor: "white",
+    gap: Dimensions.get("window").height * 0.029,
+  },
+  input_container: {
+    display: "flex",
+    width: "100%",
+    justifyContent: "center",
+    alignItems: "center",
+  },
+  boxContainer: {
+    flexDirection: "row",
+    justifyContent: "space-between",
+    width: "80%",
+  },
+  box: {
+    width: 40,
+    height: 50,
+    borderWidth: 1,
+    borderColor: "#000",
+    justifyContent: "center",
+    alignItems: "center",
+    borderRadius: 5,
+  },
+  boxText: {
+    fontSize: 24,
+    fontWeight: "bold",
+  },
+  hiddenInput: {
+    position: "absolute",
+    opacity: 0,
+  },
+  button_container: {
+    display: "flex",
+    justifyContent: "space-around",
+    alignItems: "center",
+    width: "100%",
+  },
+  header_container: {
+    display: "flex",
+    justifyContent: "center",
+    alignItems: "flex-start",
+    width: "100%",
+    marginBottom: Dimensions.get("window").height * 0.019,
+    marginTop: Dimensions.get("window").height * 0.17,
+  },
+  header_text: {
+    fontFamily: "Quicksand-Bold",
+    fontSize: 37,
+    marginBottom: Dimensions.get("window").height * 0.01,
+  },
+  subheader_text: {
+    fontFamily: "Quicksand-Medium",
+    fontSize: 20,
+  },
+  errorText: {
+    color: "red",
+    marginTop: 10,
+    fontSize: 13,
+  },
+});
+
+export default EmailVerificationScreen;

client/app/screens/auth/SignUpScreen.tsx

@@ -10,11 +10,9 @@ import {
 } from "react-native";
 import { ArrowLeftCircle } from "react-native-feather";
 
-import LargeTextButton from "../../components/auth/LargeTextButton"
+import LargeTextButton from "../../components/auth/LargeTextButton";
 
-import {
-  ExternalAuthButton,
-} from "../../components/auth/AuthButtons";
+import { ExternalAuthButton } from "../../components/auth/AuthButtons";
 import {
   AuthenticationErrorMessage,
   AuthenticationResponse,