import requests

# Salesforce credentials
SALESFORCE_URL = "https://login.salesforce.com/services/oauth2/token"
CLIENT_ID = "3MVG9PwZx9R6_UrcDlsRUsfM9CGTVKE82QnI5Vz02b.lv3H2yjDv_wy9.nrYihWYLUD1bv08N_qCG_gxiV5y8"
CLIENT_SECRET = "94983416FB1DF4E754B56F69982F07D94D8971523E6893B8A62D75CD8E9E3A34"
USERNAME = "surendra@sathkrutha.ccom"
PASSWORD = "Lavanyanaga@123"
SECURITY_TOKEN = "z7Wvk6mys7n8XjqbYKf3bwBh7"

# Authenticate with Salesforce
def get_salesforce_access_token():
    """Authenticate with Salesforce Developer Org and get an access token."""
    try:
        # Authentication URL for Salesforce production and Developer Org
        auth_url = "https://login.salesforce.com/services/oauth2/token"

        # Payload with credentials
        payload = {
            "grant_type": "password",
            "client_id": "3MVG9PwZx9R6_UrcDlsRUsfM9CGTVKE82QnI5Vz02b.lv3H2yjDv_wy9.nrYihWYLUD1bv08N_qCG_gxiV5y8",  # Consumer Key
            "client_secret": "94983416FB1DF4E754B56F69982F07D94D8971523E6893B8A62D75CD8E9E3A34",  # Consumer Secret
            "username": "surendra@sathkrutha.ccom",  # Developer Org username
            "password": "Lavanyanaga@123" + "GH9RG97LroDoLe6gAAOHaJBP",  # Password + Security Token
        }

        # Send POST request to authenticate
        response = requests.post(auth_url, data=payload)
        
        # Print full response for debugging
        print("Response Status Code:", response.status_code)
        print("Response Text:", response.text)

        response.raise_for_status()  # Raise error for bad HTTP responses

        # Parse and return the access token and instance URL
        access_token = response.json().get("access_token")
        instance_url = response.json().get("instance_url")
        print(f"Successfully authenticated. Instance URL: {instance_url}")
        return access_token, instance_url
    except requests.exceptions.RequestException as e:
        print(f"Error obtaining Salesforce access token: {e}")
        return None, None

# Save user to Salesforce
def save_user(name, phone, email, password):
    """Save user details to Salesforce."""
    access_token, instance_url = get_salesforce_access_token()
    if not access_token:
        print("Failed to authenticate with Salesforce.")
        return False

    # Check if email already exists
    headers = {
        "Authorization": f"Bearer {access_token}",
        "Content-Type": "application/json",
    }
    query = f"SELECT Id, Email__c FROM User_Login__c WHERE Email__c = '{email}'"
    query_response = requests.get(
        f"{instance_url}/services/data/v53.0/query", headers=headers, params={"q": query}
    )
    print("Query Response:", query_response.json())  # Log the query response

    if query_response.status_code == 200:
        records = query_response.json().get("records", [])
        if records:
            print(f"Email already exists in Salesforce: {email}")
            return False  # Email already exists

    # Save new user with hashed password
    hashed_password = hashpw(password.encode(), gensalt()).decode()
    data = {
        "Name__c": name,
        "Phone__c": phone,
        "Email__c": email,
        "Password__c": hashed_password,
    }
    response = requests.post(
        f"{instance_url}/services/data/v53.0/sobjects/User_Login__c",
        headers=headers,
        json=data,
    )
    print("Save Response:", response.status_code, response.json())  # Log the save response
    if response.status_code == 201:
        print("User created successfully in Salesforce.")
        return True
    else:
        print("Failed to create user in Salesforce:", response.json())
        return False


def check_credentials(email, password):
    """Check user credentials during login."""
    access_token, instance_url = get_salesforce_access_token()
    if not access_token:
        print("Failed to authenticate with Salesforce.")
        return False

    headers = {
        "Authorization": f"Bearer {access_token}",
        "Content-Type": "application/json",
    }
    query = f"SELECT Password__c FROM User_Login__c WHERE Email__c = '{email}'"
    query_response = requests.get(
        f"{instance_url}/services/data/v53.0/query", headers=headers, params={"q": query}
    )
    print("Query Response:", query_response.json())  # Log the query response

    if query_response.status_code == 200:
        records = query_response.json().get("records", [])
        if records:
            stored_password = records[0]["Password__c"]
            if checkpw(password.encode(), stored_password.encode()):
                print("Login successful.")
                return True
            else:
                print("Incorrect password.")
        else:
            print("Email not found in Salesforce.")
    else:
        print("Failed to query Salesforce:", query_response.json())
    return False