from flask import Blueprint, render_template, session, redirect, url_for
from salesforce import get_salesforce_connection
from flask import Blueprint, render_template, request, session, jsonify, redirect, url_for
import os
import re
from salesforce import get_salesforce_connection


combined_summary_blueprint = Blueprint('combined_summary', __name__)

# Initialize Salesforce connection
sf = get_salesforce_connection()

def escape_soql(value):
    """Escape single quotes in SOQL query values to prevent injection."""
    if value:
        return value.replace("'", "\\'")
    return value

@combined_summary_blueprint.route('/combined_summary')
def combined_summary():
    email = session.get('user_email')
    if not email:
        print("No user email in session, redirecting to login")
        return redirect(url_for('login'))

    try:
        # Sanitize email for SOQL query
        safe_email = escape_soql(email)

        # ====== FETCH REWARDS ======
        reward_query = f"SELECT Id, Reward_Points__c FROM Customer_Login__c WHERE Email__c = '{safe_email}'"
        reward_data = sf.query_all(reward_query)
        if not reward_data.get("records"):
            print(f"No reward info found for email: {email}")
            return "Reward info not found", 404

        user_points = reward_data["records"][0].get("Reward_Points__c", 0)

        # Determine tier
        tiers = {
            "Bronze": 100,
            "Silver": 200,
            "Gold": 300,
            "Platinum": 500
        }
        current_tier, next_tier = "Bronze", "Silver"
        start_point, end_point = 0, 100
        if user_points >= 100 and user_points < 200:
            current_tier, next_tier = "Silver", "Gold"
            start_point, end_point = 100, 200
        elif user_points >= 200 and user_points < 300:
            current_tier, next_tier = "Gold", "Platinum"
            start_point, end_point = 200, 300
        elif user_points >= 300:
            current_tier, next_tier = "Platinum", "N/A"
            start_point, end_point = 300, 500

        progress_percentage = ((user_points - start_point) / (end_point - start_point)) * 100 if end_point != start_point else 100
        points_needed_for_next_tier = max(0, end_point - user_points)

        # ====== FETCH ORDER SUMMARY ======
        order_query = f"""
            SELECT Id, Customer_Name__c, Customer_Email__c, Total_Amount__c, Order_Details__c, 
                   Order_Status__c, Discount__c, Total_Bill__c
            FROM Order__c
            WHERE Customer_Email__c = '{safe_email}'
            ORDER BY CreatedDate DESC
            LIMIT 1
        """
        order_result = sf.query_all(order_query)
        if not order_result.get("records"):
            print(f"No order found for email: {email}")
            return "No order found", 404

        order = order_result["records"][0]
        order_details = order.get("Order_Details__c", "")
        order_items = []
        sector_names = set()  # Use a set to ensure sector names are unique

        for line in order_details.split('\n'):
            item_parts = line.split('|')
            if len(item_parts) >= 5:
                item_name_raw = item_parts[0].strip()
                item_name = ' '.join(item_name_raw.split(' ')[:-1]).strip()
                safe_item_name = escape_soql(item_name)

                menu_query = f"""
                    SELECT Name, Price__c, Image1__c,
                        Ingredient_1__r.Ingredient_Name__c, Ingredient_1__r.Ingredient_Image__c, 
                        Ingredient_1__r.Health_Benefits__c, Ingredient_1__r.Fun_Facts__c,
                        Ingredient_2__r.Ingredient_Name__c, Ingredient_2__r.Ingredient_Image__c, 
                        Ingredient_2__r.Health_Benefits__c, Ingredient_2__r.Fun_Facts__c,
                        Sector__c  
                    FROM Menu_Item__c
                    WHERE Name = '{safe_item_name}'
                """
                menu_result = sf.query_all(menu_query)
                ingredients = []

                if menu_result.get("records"):
                    menu_item = menu_result["records"][0]

                    # Process Ingredient 1 if it exists
                    if menu_item.get('Ingredient_1__r') is not None:
                        ingredients.append({
                            "name": menu_item['Ingredient_1__r'].get('Ingredient_Name__c', ''),
                            "image": menu_item['Ingredient_1__r'].get('Ingredient_Image__c', ''),
                            "health_benefits": menu_item['Ingredient_1__r'].get('Health_Benefits__c', ''),
                            "fun_facts": menu_item['Ingredient_1__r'].get('Fun_Facts__c', '')
                        })

                    # Process Ingredient 2 if it exists
                    if menu_item.get('Ingredient_2__r') is not None:
                        ingredients.append({
                            "name": menu_item['Ingredient_2__r'].get('Ingredient_Name__c', ''),
                            "image": menu_item['Ingredient_2__r'].get('Ingredient_Image__c', ''),
                            "health_benefits": menu_item['Ingredient_2__r'].get('Health_Benefits__c', ''),
                            "fun_facts": menu_item['Ingredient_2__r'].get('Fun_Facts__c', '')
                        })

                    # Process the Sector__c field from Menu_Item__c
                    if menu_item.get('Sector__c'):
                        sector_names.update(menu_item['Sector__c'].split(','))  # Add sectors to the set

                    # Only add the item if ingredients are present
                    order_items.append({
                        "name": item_name,
                        "price": menu_item.get("Price__c", 0),
                        "image_url": menu_item.get("Image1__c", ''),
                        "ingredients": ingredients
                    })

        # Fetch the sector details from the Sector_Detail__c object
        sector_details = {}
        for sector_name in sector_names:
            safe_sector_name = escape_soql(sector_name.strip())
            sector_query = f"""
                SELECT Name, Image_URL__c, Description__c
                FROM Sector_Detail__c
                WHERE Name = '{safe_sector_name}'
            """
            sector_result = sf.query_all(sector_query)
            if sector_result.get("records"):
                sector_record = sector_result["records"][0]
                sector_details[sector_name] = {
                    "image_url": sector_record.get('Image_URL__c', ''),
                    "description": sector_record.get('Description__c', '')
                }

        return render_template(
            'combined_summary.html',
            user_points=round(user_points),
            current_tier=current_tier,
            next_tier=next_tier,
            start_point=start_point,
            end_point=end_point,
            progress_percentage=round(progress_percentage),
            points_needed_for_next_tier=round(points_needed_for_next_tier),
            order_items=order_items,
            sector_details=sector_details
        )

    except Exception as e:
        print(f"Error in combined_summary: {str(e)}")
        return f"Error: {str(e)}", 500