from flask import Flask, render_template, send_from_directory, request, jsonify
from simple_salesforce import Salesforce
from dotenv import load_dotenv
import os
import logging

logging.basicConfig(level=logging.DEBUG)

load_dotenv()

app = Flask(__name__, template_folder='templates', static_folder='static')

def get_salesforce_connection():
    try:
        sf = Salesforce(
            username=os.getenv('SFDC_USERNAME'),
            password=os.getenv('SFDC_PASSWORD'),
            security_token=os.getenv('SFDC_SECURITY_TOKEN'),
            domain=os.getenv('SFDC_DOMAIN', 'login')
        )
        return sf
    except Exception as e:
        print(f"Error connecting to Salesforce: {e}")
        return None

sf = get_salesforce_connection()

@app.route('/')
def index():
    return render_template('index.html')

@app.route('/static/<path:filename>')
def serve_static(filename):
    return send_from_directory('static', filename)

@app.route('/get_ingredients', methods=['POST'])
def get_ingredients():
    dietary_preference = request.json.get('dietary_preference', '').strip().lower()
    logging.debug(f"Received dietary preference: {dietary_preference}")

    # Map dietary preference to SOQL condition for Menu_Item__c
    preference_map = {
        'vegetarian': "Category__c = 'Veg'",
        'non-vegetarian': "Category__c IN ('Chicken', 'Mutton', 'Fish')"
    }
    condition = preference_map.get(dietary_preference)

    if not condition:
        logging.debug("Invalid dietary preference received.")
        return jsonify({"error": "Invalid dietary preference."}), 400

    try:
        soql = f"SELECT Name, Image1__c FROM Menu_Item__c WHERE {condition} LIMIT 200"
        result = sf.query(soql)
        ingredients = [
            {"name": record['Name'], "image_url": record.get('Image1__c', '')}
            for record in result['records'] if 'Name' in record
        ]
        logging.debug(f"Fetched ingredients: {ingredients}")
        return jsonify({"ingredients": ingredients})
    except Exception as e:
        logging.error(f"Error while fetching ingredients: {str(e)}")
        return jsonify({"error": f"Failed to fetch ingredients: {str(e)}"}), 500

@app.route('/get_menu_items', methods=['POST'])
def get_menu_items():
    category = request.json.get('category', '').strip().lower()
    logging.debug(f"Received category: {category}")

    soql = ""
    if category == 'chicken':
        soql = "SELECT Name, Image1__c, Price__c, Ingredients__c FROM Menu_Item__c WHERE Category__c = 'Chicken' LIMIT 200"
    elif category == 'mutton':
        soql = "SELECT Name, Image1__c, Price__c, Ingredients__c FROM Menu_Item__c WHERE Category__c = 'Mutton' LIMIT 200"
    elif category == 'non-vegetarian':
        soql = "SELECT Name, Image1__c, Price__c, Ingredients__c FROM Menu_Item__c WHERE Category__c IN ('Chicken', 'Mutton', 'Fish') LIMIT 200"
    else:
        logging.debug("Invalid category received.")
        return jsonify({"error": "Invalid category."}), 400

    try:
        result = sf.query(soql)
        menu_items = [
            {
                "name": record['Name'],
                "image_url": record.get('Image1__c', ''),
                "price": record.get('Price__c', 0.0),
                "ingredients": record.get('Ingredients__c', '')
            }
            for record in result['records'] if 'Name' in record
        ]
        logging.debug(f"Fetched menu items: {menu_items}")
        return jsonify({"menu_items": menu_items})
    except Exception as e:
        logging.error(f"Error while fetching menu items: {str(e)}")
        return jsonify({"error": f"Failed to fetch menu items: {str(e)}"}), 500

@app.route('/submit_ingredients', methods=['POST'])
def submit_ingredients():
    data = request.json
    ingredients = data.get('ingredients', [])
    
    if not ingredients:
        return jsonify({'error': 'No ingredients selected'}), 400
    
    logging.debug(f"Ingredients submitted: {ingredients}")
    return jsonify({'success': True})

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