import time
import json
import datetime
import difflib


class Utils:
    not_close = []
    def __init__(self):
        self.not_close_matches = []

    def is_future_date(service_date):
        """
        Converts service_date in format "Mon Day, Year" to epoch time
        and compares it to today's date.
        Args:
            service_date (str): Date string in format "Mon Day, Year" (e.g., "Jun 15, 2025")
        Returns:
            bool: True if service_date is in the future, False otherwise
        """
        try:
            date_obj = datetime.datetime.strptime(service_date, "%B %d, %Y")
            service_epoch = int(date_obj.timestamp())
            current_epoch = int(time.time())
            return service_epoch > current_epoch
        except ValueError as e:
            print(f"Error parsing date: {e}")
            return True

    def find_close_matches(word, possibilities, cutoff=0.4):
        """
        Finds close matches for a word from a list of possibilities.
        Args:
            word (str): The word to find close matches for.
            possibilities (list): A list of possible matches.
            cutoff (float, optional): The minimum similarity ratio for a word to be considered a close match. Defaults to 0.6.
        Returns:
            list: A list of close matches.
        """
        try:
            x = difflib.get_close_matches(word, possibilities, cutoff=cutoff)
            print(word)
            if x == []:
                poss_acronyms = []
                type_dropped = word[:-4]
                for i in possibilities:
                    acronym = i.split(' ')
                    poss_acronyms.append(''.join([item[0] for item in acronym]))
                if difflib.get_close_matches(type_dropped, poss_acronyms, n=1, cutoff=0) != []:
                    close_match = word
            else:
                close_match = difflib.get_close_matches(word, possibilities, cutoff=cutoff)
                close_match = word
        except Exception as e:
            print("Close Matches Error")
            print(e)
        finally:
            return close_match


    def load_json_from_file(file_path):
        """
        Reads and loads JSON data from a file.

        Args:
            file_path (str): Path to the JSON file

        Returns:
            dict/list: Parsed JSON data

        Raises:
            FileNotFoundError: If the specified file doesn't exist
            json.JSONDecodeError: If the file contains invalid JSON
        """
        try:
            with open(file_path, 'r') as file:
                data = json.load(file)
            return data
        except FileNotFoundError:
            print(f"Error: File '{file_path}' not found")
            raise
        except json.JSONDecodeError as e:
            print(f"Error: Invalid JSON format in file '{file_path}': {str(e)}")
            raise
        except Exception as e:
            print(f"Error: An unexpected error occurred: {str(e)}")
            raise