From 02a482779e968861460f72c1c8c6bb650a84fe8a Mon Sep 17 00:00:00 2001
From: "Andrew Hawes (hawesa2)" <hawesa2@coventry.ac.uk>
Date: Mon, 7 Nov 2022 02:47:50 +0000
Subject: [PATCH] Initial upload

---
 Login_Systems/login_systems.py | 40 ++++++++++++++++++++++++++++++++++
 1 file changed, 40 insertions(+)
 create mode 100644 Login_Systems/login_systems.py

diff --git a/Login_Systems/login_systems.py b/Login_Systems/login_systems.py
new file mode 100644
index 0000000..33bdf6b
--- /dev/null
+++ b/Login_Systems/login_systems.py
@@ -0,0 +1,40 @@
+import Databases.database_interaction as databaseInteraction
+from getpass import getpass
+#declare global CONSTANTS
+MAX_REGISTER_ATTEMPTS = 4
+MAX_LOGIN_ATTEMPTS = 4
+
+#omitted code that isn’t mine
+
+            #for register
+            for attempts in range(MAX_REGISTER_ATTEMPTS, 0, -1):
+                username = input('To register: Enter username >').strip()
+                password = input('Enter password >')
+                try:
+                    databaseInteraction.CreateUser(username, password)
+                    return system_type,username,input("Registration and login successful. What would you like to ask me? ")
+                except: #raised if username not unique
+                    print('Error: Username already exists.')
+                    print('Attempts remaining: ' + str(attempts - 1))
+
+            print('Out of attempts. Logging in as Guest.')
+            return system_type,"Guest",input("What would you like to ask me? ")
+
+#omitted code that isn’t mine
+
+            #for login 
+            for attempts in range(MAX_LOGIN_ATTEMPTS, 0, -1):
+                username = input('To login: Enter username >')
+                #usage for getpass found from https://stackoverflow.com/a/9202236
+                password = getpass('Enter password (input hidden) >')
+                userExists, successful = databaseInteraction.CheckUsernamePasswordMatch(username, password)
+                if successful:
+                    return system_type,username,input("Login successful. What would you like to ask me? ")
+                elif userExists:
+                    print('Password incorrect.')
+                else:
+                    print('Username incorrect.')
+                print('Attempts remaining: ' + str(attempts - 1))
+
+            print('Out of attempts. Logging in as Guest.')
+            return system_type,"Guest",input("What would you like to ask me? ")