app.py

from flask import Flask, render_template, request, jsonify, redirect, url_for, session
from flask_session import Session  # Import the Session class
from flask.sessions import SecureCookieSessionInterface  # Import the class
from salesforce import get_salesforce_connection
from datetime import timedelta
from email.mime.multipart import MIMEMultipart
from email.mime.text import MIMEText
from menu import menu_blueprint  # Make sure this import is correct
from cart import cart_blueprint  # Same for other blueprints
from order import order_blueprint  # Same for user blueprint
from user_details import user_details_blueprint
from datetime import datetime
from datetime import datetime
import pytz  # Library to handle timezone conversions
import os
import smtplib
import random
import string

app = Flask(__name__)


# Add debug logs in Salesforce connection setup
sf = get_salesforce_connection()


# Set the secret key to handle sessions securely
app.secret_key = os.getenv("SECRET_KEY", "xEr0cwgsiatzrzaeFewYrVA1O")  # Replace with a secure key
app.config["SESSION_TYPE"] = "filesystem"  # Storing sessions in filesystem
app.config["SESSION_COOKIE_SECURE"] = True  # Enabling secure cookies (ensure your app is served over HTTPS)
app.config["SESSION_COOKIE_SAMESITE"] = "None"  # Cross-site cookies allowed

# Initialize the session
Session(app)  # Correctly initialize the Session object
app.session_interface = SecureCookieSessionInterface()

app.register_blueprint(cart_blueprint, url_prefix='/cart') 
app.register_blueprint(user_details_blueprint, url_prefix='/user')
app.register_blueprint(menu_blueprint)
app.register_blueprint(order_blueprint)


@app.route("/")
def home():
    # Fetch user details from URL parameters
    user_email = request.args.get("email")
    user_name = request.args.get("name")
    table_number = request.args.get("table")  # Capture table number

    if user_email and user_name:
        session["user_email"] = user_email
        session["user_name"] = user_name
        session["table_number"] = table_number  # Store table number in session
        print(f"User logged in: {user_email} - {user_name} - Table: {table_number}")

        # Ensure session is saved before redirecting
        session.modified = True
        return redirect(url_for("menu.menu"))  # Redirect to menu directly

    return render_template("index.html")

@app.route("/generate_custom_dish", methods=["POST"])
def generate_custom_dish():
    try:
        data = request.form
        dish_name = data.get("name")
        description = data.get("description")
        item_image_url = "https://huggingface.co/spaces/nagasurendra/BiryaniHubflask30/resolve/main/static/customized.jpg"
        item_image_url2 = "https://huggingface.co/spaces/nagasurendra/BiryaniHubflask30/resolve/main/static/customized1.jpg"

        if not dish_name or not description:
            return jsonify({"success": False, "error": "Both fields are required"}), 400

        # Generate a random price for the custom dish
        price = random.randint(10, 30)  # Example logic for price setting

        # Determine Veg/Non-Veg
        veg_keywords = ["paneer", "vegetable", "mushroom", "cheese"]
        non_veg_keywords = ["chicken", "mutton", "fish", "egg"]
        
        category = "Veg" if any(word in description.lower() for word in veg_keywords) else \
                   "Non veg" if any(word in description.lower() for word in non_veg_keywords) else \
                   "both"

        # Query to check if the dish already exists in Salesforce (Custom_Dish__c object)
        existing_dish_query = f"SELECT Id, Name, Price__c, Image1__c, Image2__c, Description__c, Veg_NonVeg__c FROM Custom_Dish__c WHERE Name = '{dish_name}'"
        existing_dish_result = sf.query(existing_dish_query)

        if existing_dish_result['totalSize'] > 0:
            # If the dish exists, use the existing details
            existing_dish = existing_dish_result['records'][0]
            price = existing_dish['Price__c']
            item_image_url = existing_dish['Image1__c']
            item_image_url2 = existing_dish['Image2__c']
            category = existing_dish['Veg_NonVeg__c']
        else:
            # If the dish does not exist, create a new custom dish
            custom_dish = {
                'Name': dish_name,
                'Price__c': price,
                'Image1__c': item_image_url,
                'Image2__c': item_image_url2,
                'Description__c': description,
                'Veg_NonVeg__c': category,
                'Section__c': 'Customized dish',
                'Total_Ordered__c': 0
            }

            # Insert the custom dish into Salesforce (Custom_Dish__c object)
            result = sf.Custom_Dish__c.create(custom_dish)

            if not result.get('success'):
                return jsonify({"success": False, "error": "Failed to create custom dish in Salesforce"}), 500

        # After ensuring the dish exists, check if it's already in the Cart_Item__c
        email = session.get('user_email')  # Assuming you have the user's email in session
        
        # Query to check if the custom dish already exists in the cart for the logged-in user
        cart_item_query = f"SELECT Id, Quantity__c, Price__c, Base_Price__c FROM Cart_Item__c WHERE Customer_Email__c = '{email}' AND Name = '{dish_name}'"
        cart_item_result = sf.query(cart_item_query)

        if cart_item_result['totalSize'] > 0:
            # If the custom dish is already in the cart, update the quantity and price
            cart_item = cart_item_result['records'][0]
            new_quantity = cart_item['Quantity__c'] + 1  # Increase quantity by 1
            new_price = price * new_quantity  # Update price based on new quantity
            
            # Update the cart item in Salesforce
            updated_cart_item = {
                'Quantity__c': new_quantity,
                'Price__c': new_price
            }
            
            cart_item_update = sf.Cart_Item__c.update(cart_item['Id'], updated_cart_item)

        else:
            # If the custom dish is not in the cart, create a new cart item
            cart_item = {
                'Name': dish_name,
                'Price__c': price,
                'Base_Price__c': price,
                'Image1__c': item_image_url,
                'Quantity__c': 1,  # Default quantity is 1
                'Add_Ons__c': '',  # Set Add_ons__c to empty
                'Add_Ons_Price__c': 0,  # Set Add_ons_Price__c to 0
                'Customer_Email__c': email  # Associate the custom dish with the logged-in user
            }

            # Insert the custom dish as a Cart_Item__c record in Salesforce
            cart_result = sf.Cart_Item__c.create(cart_item)

        # Redirect to the cart page after successfully adding or updating the cart item
        return redirect(url_for("cart"))

    except Exception as e:
        return jsonify({"success": False, "error": str(e)}), 500

@app.route("/order-history", methods=["GET"])
def order_history():
    email = session.get('user_email')  # Get logged-in user's email
    if not email:
        return redirect(url_for("login"))

    try:
        # Fetch past orders for the user
        result = sf.query(f"""
            SELECT Id, Customer_Name__c, Customer_Email__c, Total_Amount__c, 
                   Order_Details__c, Order_Status__c, Discount__c, Total_Bill__c, CreatedDate
            FROM Order__c
            WHERE Customer_Email__c = '{email}'
            ORDER BY CreatedDate DESC
        """)

        print(f"Salesforce query result: {result}")  # Debugging line

        orders = result.get("records", [])  # Fetch all orders

        if not orders:
            print("No orders found for this email.")  # Debugging line

        # Format the order details for better readability
        for order in orders:
            order_details = order.get("Order_Details__c", "")
            items = order_details.split("\n")  # Assuming each item is separated by a new line
            formatted_items = []

            # Loop through the items and format them as "item name * quantity"
            for item in items:
                item_details = item.split(" | ")
                if len(item_details) > 1:
                    name = item_details[0].strip()
                    quantity = item_details[1].strip()
                    formatted_items.append(f"{name} * {quantity}")

            # Join the formatted items into a single string
            order['formatted_items'] = ", ".join(formatted_items)

            # Get the order date and time from CreatedDate
            created_date = order.get("CreatedDate", "")
            if created_date:
                # Convert CreatedDate to datetime object in UTC
                utc_datetime = datetime.strptime(created_date, '%Y-%m-%dT%H:%M:%S.000+0000')
                utc_datetime = utc_datetime.replace(tzinfo=pytz.UTC)
            
                # Convert UTC datetime to the desired timezone (e.g., IST)
                local_timezone = pytz.timezone('Asia/Kolkata')  # Replace with your timezone
                local_datetime = utc_datetime.astimezone(local_timezone)

                # Format the date and time in the desired format
                order['formatted_date'] = local_datetime.strftime('%B %d, %I:%M %p')

            order_status = order.get("Order_Status__c", "N/A")  # Default to "N/A" if no status
            order['order_status'] = order_status


        return render_template("order_history.html", orders=orders)

    except Exception as e:
        print(f"Error fetching order history: {str(e)}")
        return render_template("order_history.html", orders=[], error=str(e))


app.permanent_session_lifetime = timedelta(minutes=5)
@app.before_request
def check_session_timeout():
    if "last_activity" in session:
        last_activity_time = session["last_activity"]
        now = datetime.now().timestamp()
        
        # Check if inactivity time has exceeded 5 minutes (300 seconds)
        if now - last_activity_time > 300:
            session.clear()  # Clear session
            return redirect(url_for("logout"))
    
    # Update last activity timestamp on every request
    session["last_activity"] = datetime.now().timestamp()

@app.route("/dashboard")
def dashboard():
    return render_template("dashboard.html") 
@app.route("/logout")
def logout():
    # Retrieve table number before clearing session
    table_number = session.get('table_number', '')

    # Clear session variables
    session.pop('name', None)
    session.pop('email', None)
    session.pop('rewardPoints', None)
    session.pop('coupon', None)

    # Pass table number to redirect page
    return render_template("redirect_page.html", table_number=table_number)








if __name__ == "__main__":
    app.run(debug=True, host="0.0.0.0", port=7860)