Update app.py

app.py

@@ -1,5 +1,93 @@
 import gradio as gr
 import pandas as pd
+import gradio as gr
+from utils.database_handler import check_credentials, save_user
+
+
+def app_interface():
+    # Login Button Actions
+    def authenticate_user(email, password):
+        if check_credentials(email, password):
+            return (
+                gr.update(visible=False),  # Hide login page
+                gr.update(visible=True),  # Show preferences page
+                "",  # Clear any error message
+            )
+        else:
+            return (
+                gr.update(visible=True),  # Show error box
+                gr.update(visible=False),  # Keep preferences page hidden
+                "Invalid email or password. Try again.",  # Error message
+            )
+
+    def navigate_to_signup():
+        return gr.update(visible=False), gr.update(visible=True)
+
+    def create_account(name, phone, email, password):
+        if save_user(name, phone, email, password):
+            return "Account created successfully! You can now log in.", gr.update(visible=True), gr.update(visible=False)
+        else:
+            return "Email already exists. Try logging in.", gr.update(visible=False), gr.update(visible=True)
+
+    def navigate_to_login():
+        return gr.update(visible=True), gr.update(visible=False)
+
+    with gr.Blocks() as app:
+        # Login Page
+        with gr.Column(visible=True) as login_section:
+            gr.Markdown("# Login Page")
+            email = gr.Textbox(label="Email", placeholder="Enter your email")
+            password = gr.Textbox(label="Password", placeholder="Enter your password", type="password")
+            error_box = gr.Markdown("", visible=False)
+            login_btn = gr.Button("Login")
+            create_account_btn = gr.Button("Create an Account")
+
+        # Sign-Up Page
+        with gr.Column(visible=False) as signup_section:
+            gr.Markdown("# Sign Up Page")
+            name = gr.Textbox(label="Name", placeholder="Enter your full name")
+            phone = gr.Textbox(label="Phone", placeholder="Enter your phone number")
+            signup_email = gr.Textbox(label="Email", placeholder="Enter your email")
+            signup_password = gr.Textbox(label="Password", placeholder="Enter a password", type="password")
+            success_message = gr.Markdown("", visible=False)
+            error_message = gr.Markdown("", visible=False)
+            submit_btn = gr.Button("Sign Up")
+            back_to_login_btn = gr.Button("Back to Login")
+
+        # Preferences Page
+        with gr.Column(visible=False) as preference_section:
+            gr.Markdown("# Preferences Page")
+
+        # Button Actions for Login
+        login_btn.click(
+            authenticate_user,
+            inputs=[email, password],
+            outputs=[login_section, preference_section, error_box],
+        )
+        create_account_btn.click(
+            navigate_to_signup,
+            inputs=[],
+            outputs=[login_section, signup_section],
+        )
+
+        # Button Actions for Sign-Up
+        submit_btn.click(
+            create_account,
+            inputs=[name, phone, signup_email, signup_password],
+            outputs=[success_message, signup_section, login_section],
+        )
+        back_to_login_btn.click(
+            navigate_to_login,
+            inputs=[],
+            outputs=[login_section, signup_section],
+        )
+
+    return app
+
+
+if __name__ == "__main__":
+    app = app_interface()
+    app.launch()
 
 # Initialize global cart
 cart_items = []