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 orderhistory import orderhistory_blueprint
from user_details import user_details_blueprint
from customdish import customdish_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", "sSSjyhInIsUohKpG8sHzty2q")  # 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.register_blueprint(orderhistory_blueprint, url_prefix='/orderhistory')
app.register_blueprint(customdish_blueprint, url_prefix='/customdish')



@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("/login", methods=["GET", "POST"])
def login():
    if request.method == "POST":
        email = request.form.get("email")
        password = request.form.get("password")
        print(f"Login attempt with email: {email}")  # Debug log

        try:
            # Fetch user details from Salesforce
            query = f"SELECT Id, Name, Email__c, Reward_Points__c FROM Customer_Login__c WHERE Email__c='{email}' AND Password__c='{password}'"
            result = sf.query(query)

            if result["records"]:
                user = result["records"][0]
                session['user_id'] = user['Id']

                # ✅ Always store or update session email
                if 'user_email' not in session or session['user_email'] != email:
                    session['user_email'] = email
                    session['user_name'] = user.get("Name", "")
                    print(f"✅ Session email updated: {session['user_email']}")

                reward_points = user.get("Reward_Points__c") or 0

                # Coupon generation logic (if reward points >= 500)
                if reward_points >= 500:
                    new_coupon_code = generate_coupon_code()
                    coupon_query = sf.query(f"SELECT Id, Coupon_Code__c FROM Referral_Coupon__c WHERE Referral_Email__c = '{email}'")

                    if coupon_query["records"]:
                        coupon_record = coupon_query["records"][0]
                        referral_coupon_id = coupon_record["Id"]
                        existing_coupons = coupon_record.get("Coupon_Code__c", "")

                        updated_coupons = f"{existing_coupons}\n{new_coupon_code}".strip()
                        sf.Referral_Coupon__c.update(referral_coupon_id, {"Coupon_Code__c": updated_coupons})
                    else:
                        sf.Referral_Coupon__c.create({
                            "Referral_Email__c": email,
                            "Name": user.get("Name", ""),
                            "Coupon_Code__c": new_coupon_code
                        })

                    new_reward_points = reward_points - 500
                    sf.Customer_Login__c.update(user['Id'], {"Reward_Points__c": new_reward_points})

                return redirect(url_for("menu.menu"))

            else:
                print("Invalid credentials!")
                return render_template("login.html", error="Invalid credentials!")

        except Exception as e:
            print(f"Error during login: {str(e)}")
            return render_template("login.html", error=f"Error: {str(e)}")

    return render_template("login.html")

@app.route('/reward_status')
def reward_status():
    # Get the user email from session (assuming the session is already set during checkout)
    email = session.get('user_email')
    
    if not email:
        return "User not logged in", 400

    # Query Salesforce to fetch the user's reward points
    try:
        # Query the Customer_Login__c object based on the user's email
        query = f"SELECT Id, Reward_Points__c FROM Customer_Login__c WHERE Email__c = '{email}'"
        user_data = sf.query(query)

        # Check if the user record was found
        if not user_data.get("records"):
            return "User not found", 400

        # Get the user's reward points from Salesforce
        user_points = user_data["records"][0].get("Reward_Points__c", 0)
    
    except Exception as e:
        return f"Error querying Salesforce: {str(e)}", 500

    # Define point ranges for each tier
    tiers = {
        "Bronze": 100,  # Example: 0 to 100 for Bronze
        "Silver": 200,  # Example: 100 to 200 for Silver
        "Gold": 300,    # Example: 200 to 300 for Gold
        "Platinum": 500
    }

    # Logic for calculating the next tier's range and current progress
    current_tier = "Silver"  # Example, dynamically determine this

    # Calculate the range for the current tier
    if current_tier == "Silver":
        start_point = 100  # Silver starts at 100
        end_point = 200    # Silver ends at 200
    elif current_tier == "Gold":
        start_point = 200  # Gold starts at 200
        end_point = 300    # Gold ends at 300
    else:
        start_point = 0    # Default start point for other tiers
        end_point = 100    # Default end point for other tiers

    # Calculate progress as a percentage
    if user_points >= start_point:
        progress_percentage = ((user_points - start_point) / (end_point - start_point)) * 100
    else:
        progress_percentage = 0

    # Calculate points to next tier
    points_needed_for_next_tier = end_point - user_points
    next_tier = "Gold"  # Next tier name (you can dynamically calculate this)
    # Round the points before passing to the template
    user_points = round(user_points)
    points_needed_for_next_tier = round(points_needed_for_next_tier)

    # Pass these values to your template
    return render_template(
        'reward_status.html',
        user_points=user_points,
        current_tier=current_tier,
        progress_percentage=progress_percentage,
        points_needed_for_next_tier=points_needed_for_next_tier,
        start_point=start_point,
        end_point=end_point,
        next_tier=next_tier,
        tiers=tiers
    )
@app.route("/order/items", methods=["GET"])
def order_items():
    email = session.get('user_email')  # Fetch logged-in user's email
    if not email:
        print("No user email found. Redirecting to login.")
        return redirect(url_for("login"))

    try:
        # Fetch the most recent order for the user
        print(f"Fetching order details for email: {email}")
        result = sf.query(f"""
            SELECT Id, Order_Details__c
            FROM Order__c
            WHERE Customer_Email__c = '{email}'
            ORDER BY CreatedDate DESC
            LIMIT 1
        """)
        
        # Check if the query was successful and print the result
        print("Query result:", result)

        order = result.get("records", [])[0] if result.get("records") else None

        if not order:
            print("No order found for the user.")
            return render_template("order_items.html", items=None)

        # Extract item names from the order details
        item_names = []
        if order.get("Order_Details__c"):
            print("Found order details. Extracting item names.")
            for line in order["Order_Details__c"].split('\n'):
                item_parts = line.split('|')
                if item_parts:
                    item_name = item_parts[0].strip()  # Assuming the item name is the first part
                    item_names.append(item_name)
                    print(f"Extracted item: {item_name}")  # Print each extracted item name

        if item_names:
            print(f"Total items extracted: {len(item_names)}")
        else:
            print("No items found in order details.")

        return render_template("order_items.html", items=item_names)

    except Exception as e:
        print(f"Error fetching order details: {str(e)}")
        return render_template("order_items.html", items=None, error=str(e))

@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)