import torch
from flask import Flask, render_template, request, jsonify, redirect, url_for
import os
from transformers import pipeline, AutoConfig
from pydub import AudioSegment
from pydub.silence import detect_nonsilent
import time
from waitress import serve
from simple_salesforce import Salesforce
import requests

app = Flask(__name__)

# Use whisper-small for faster processing
device = "cuda" if torch.cuda.is_available() else "cpu"

# Whisper ASR Model Configuration
config = AutoConfig.from_pretrained("openai/whisper-small")
config.update({"timeout": 60})  # Set timeout to 60 seconds

# Salesforce Connection
try:
    print("Connecting to Salesforce...")
    sf = Salesforce(username='diggavalli98@gmail.com', password='Sati@1020', security_token='sSSjyhInIsUohKpG8sHzty2q')
    print("Connected to Salesforce!")
except Exception as e:
    print(f"Failed to connect to Salesforce: {str(e)}")

# Function to convert audio to WAV format
def convert_to_wav(input_path, output_path):
    try:
        audio = AudioSegment.from_file(input_path)
        audio = audio.set_frame_rate(16000).set_channels(1)  # Convert to 16kHz, mono
        audio.export(output_path, format="wav")
    except Exception as e:
        print(f"Audio conversion failed: {str(e)}")
        raise

# Check if audio contains speech
def is_silent_audio(audio_path):
    audio = AudioSegment.from_wav(audio_path)
    nonsilent_parts = detect_nonsilent(audio, min_silence_len=500, silence_thresh=audio.dBFS-16)
    return len(nonsilent_parts) == 0  # If no speech detected

# Create Salesforce Record
def create_salesforce_record(name, email, phone_number):
    try:
        response = sf.Customer_Login__c.create({
            'Name': name,
            'Email__c': email,
            'Phone_Number__c': phone_number
        })
        return {'success': True, 'id': response.get('id')}
    except Exception as e:
        return {'error': f'Failed to create record: {str(e)}'}

# Registration API
@app.route("/submit", methods=["POST"])
def submit():
    data = request.json
    name = data.get('name')
    email = data.get('email')
    phone = data.get('phone')

    if not name or not email or not phone:
        return jsonify({'error': 'Missing data'}), 400

    response = create_salesforce_record(name, email, phone)
    return jsonify(response) if "error" not in response else (jsonify(response), 500)

# Updated Login API (Only for Registered Users)
@app.route('/login', methods=['POST'])
def login():
    data = request.json
    email = data.get('email')
    phone_number = data.get('phone_number')

    if not email or not phone_number:
        return jsonify({'error': 'Email and phone number are required'}), 400

    try:
        # Print received login details for debugging
        print(f"🔍 Received login request for Email: {email}, Phone: {phone_number}")

        # Query Salesforce to check if the user exists
        query_result = sf.query(f"""
            SELECT Id, Name, Email__c, Phone_Number__c FROM Customer_Login__c 
            WHERE LOWER(Email__c) = '{email.lower()}' 
            AND Phone_Number__c = '{phone_number}'
        """)

        # Debugging: Print Salesforce Query Result
        print("🔍 Salesforce Query Result:", query_result)

        if query_result['totalSize'] > 0:
            print("✅ Login successful!")
            return jsonify({
                'success': True, 
                'message': 'Login successful',
                'user': query_result['records'][0],
                'redirect': '/dashboard'
            }), 200
        else:
            print("❌ Invalid credentials! User not found in Salesforce.")  # Debugging
            return jsonify({'error': 'Invalid credentials! Only registered users can log in.', 'refresh': True}), 401  
    except Exception as e:
        print(f"⚠️ Salesforce Query Failed: {str(e)}")  # Debugging
        return jsonify({'error': f'Salesforce query failed: {str(e)}', 'refresh': True}), 500

# Serve Registration and Login Pages
@app.route("/")
def index():
    return render_template("index.html")

@app.route("/login-page")
def login_page():
    return render_template("login.html")

@app.route("/dashboard")
def dashboard():
    return "<h1>Welcome to the Dashboard</h1><p>You have successfully logged in.</p>"

# Start the Flask App
if __name__ == "__main__":
    serve(app, host="0.0.0.0", port=7860)