from typing import Optional
from datetime import datetime
from typing import Dict, Any
from flask import abort
import hashlib

def get_amount_from_string(string: str) -> Optional[float]:
    """
    Returns the price amount from a string.

    :param string: string to parse out the data
    """
    try:
        string_split = string.split('.')
        if len(string_split) == 1:
            return float(string_split[0])
        if len(string_split) != 2:
            raise Exception()
        return float(f"{string_split[0]}.{string_split[1]}")
    except:
        return None

def get_date_from_string(string: str) -> Optional[datetime]:
    """
    Returns a type datetime with format YEAR-MONTH-DAY from a string.

    :param string: string to parse out the date.
    """
    try:
        return datetime.strptime(string, '%Y-%m-%d')
    except:
        return None
    
def get_string_from_date(date: datetime) -> str:
    """
    Returns a string of the date with format YEAR-MONTH-DAY.

    :param date: date that we would like to parse.
    """
    return f"{date.year}-{date.month}-{date.day}"

def create_encrypted_string(string: str) -> str:
    """
    Returns an encrypted string with a provided string.
    :param string: string that would need to be encrypted
    """
    hash_object  = hashlib.sha256()
    hash_object.update(string.encode())
    hash_string = hash_object.hexdigest()
    return hash_string

def json_success_response(
    data: Dict[str,Any]={},
    status_code: int = 200
) -> Dict[str, Any]:
    """
    Returns a SUCCESS json response.

    :param data: dictionary that holds the data for the response. (default: {})
    :param status_code: status code for the response (default: 200)
    """
    return {
        'status': 'SUCCESS',
        'status_code': status_code,
        "data": data,

    }

def json_error_response(
    string: str,
    status_code: int= 500
) -> Dict[str, Any]:
    """
    Returns an ERROR json response.

    :param string: error message
    :param status_code: status code for the response (default: 500)
    """
    abort(status_code, string)