"""File for Category class."""

import json

from data.score import Score, ScoreTime  # pylint: disable=import-error


class Category:
    """Stores a category's information and relative scores."""

    def __init__(self, name: str, ascending: bool, time_record: bool, score_map: dict) -> None:
        """
        Default constructor for Category class.

        Args:
            name (str): Category's name
            ascending (bool): If category is ascending or decending
            time_record (bool): If category is time record or not
            score_map (dict): map of Scores
        """
        self._name: str = name
        self._ascending: bool = ascending
        self._time_record: bool = time_record
        self._scores_map: dict = score_map

    def __str__(self) -> str:
        """
        Returns Category class as a string for printing.

        Returns:
            str: Category class as a string
        """
        return json.dumps(self.to_dict(), indent=4)

    @classmethod
    def from_dict(cls, name: str, data: dict):
        """
        Creates a Category class from the passed data.

        Args:
            name (str): Category name
            data (dict): Rest of Category data in dictionary format

        Returns:
            Category: Populated Category object
        """
        ascending = data["ascending"]
        time_record = data["time_record"]
        score_map = {}
        for user, score in data["scores"].items():
            if time_record:
                score_map[user] = ScoreTime(user, score)
            else:
                score_map[user] = Score(user, score)

        return cls(name, ascending, time_record, score_map)

    @property
    def ascending(self) -> bool:
        """
        Getter for is ascending

        Returns:
            bool: is ascending
        """
        return self._ascending

    @property
    def name(self) -> str:
        """
        Getter for name.

        Returns:
            str: name
        """
        return self._name

    @property
    def time_record(self) -> bool:
        """
        Getter for is time record.

        Returns:
            bool: is time record
        """
        return self._time_record

    @property
    def scores(self) -> "list[Score]":
        """
        Getter for Scores list.

        Returns:
            list[Score]: List of Scores in this Category
        """
        return self._scores_map.values()

    def add_score(self, score: Score) -> None:
        """
        Adds score to dictionary storage map. Sorts dictionary by score value.

        Args:
            score (Score): Score to be added
        """
        if score.user in self._scores_map:
            self._scores_map[score.user].value = score.value
        else:
            self._scores_map[score.user] = score

        self._scores_map = dict(
            sorted(self._scores_map.items(), key=lambda x: x[1].value, reverse=not self.ascending)
        )

    def get_user_score(self, user: str) -> Score:
        """
        Gets a user's score. Returns None if user is not found.

        Args:
            user (str): Name of score to find

        Returns:
            Score: User's Score or None
        """
        if user in self._scores_map:
            return self._scores_map[user]
        return None

    def remove_score(self, score: str) -> None:
        """
        Removes a user's score from dictionary storage.

        Args:
            score (str): user whose score to remove
        """
        score = self._scores_map.pop(score)
        del score

    def to_dict(self) -> dict:
        """
        Saves category data as a python dictionary.
        Does not include category name. It should be the key of above data structure.

        Returns:
            dict: Category class in dictionary format
        """
        data = {}
        data["ascending"] = self.ascending
        data["time_record"] = self.time_record
        data["scores"] = {}
        for score in self.scores:
            data["scores"][score.user] = score.value

        return data