"""
Contains classes and enum for tracking data on submissions.
"""

from enum import Enum


from nextcord import Embed


class SubmissionState(Enum):
    """
    Enum for which state a submission is in
    """

    CATEGORY = 1
    SCORE = 2
    PROOF = 3
    NAME = 4
    SUBMIT = 5
    VERIFY = 6


class Submission:
    """
    Class for an individual submission. Contains submission information such as
    guild id, message id, table, category, username, score and submission state.
    """

    def __init__(self, guild_id: int, table: str, username: str) -> None:
        """
        Default constructor for Submission. Just need to know guild_id, table, and username.
        Score and category are defaulted at empty, message id is 0, and submission state
        is SubmissionState.CATEGORY.
        """
        self._category: str = ""
        self._guild_id: int = guild_id
        self._message_id: int = 0
        self._score: str = ""
        self._submission_state: SubmissionState = SubmissionState.CATEGORY
        self._table: str = table
        self._username: str = username

    @property
    def category(self) -> str:
        """
        Getter for Submission's Category name.

        Returns:
            str: Category name.
        """
        return self._category

    @category.setter
    def category(self, category: str) -> None:
        """
        Setter for Submission's Category name.

        Args:
            category (str): Category name
        """
        self._category = category

    @property
    def guild_id(self) -> int:
        """
        Getter for guild id Submission is happening in. Will not change.

        Returns:
            int: guild id
        """
        return self._guild_id

    @property
    def message_id(self) -> int:
        """
        Getter for message id that Submission has a view on.

        Returns:
            int: message id
        """
        return self._message_id

    @message_id.setter
    def message_id(self, m_id: int) -> None:
        """
        Setter for message id that Submission has a view on.

        Args:
            m_id (int): message id
        """
        self._message_id = m_id

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

        Returns:
            str: score
        """
        return self._score

    @score.setter
    def score(self, score: str) -> None:
        """
        Setter for score.

        Args:
            score (str): score
        """
        self._score = score

    @property
    def submission_state(self) -> SubmissionState:
        """
        Getter for state Submission is in.

        Returns:
            SubmissionState: State the Submission is in
        """
        return self._submission_state

    @submission_state.setter
    def submission_state(self, state: SubmissionState) -> None:
        """
        Setter for state Submission is in.

        Args:
            state (SubmissionState): State to change to
        """
        self._submission_state = state

    @property
    def table(self) -> str:
        """
        Getter for table Submission is for.

        Returns:
            str: table name
        """
        return self._table

    @table.setter
    def table(self, table: str) -> None:
        """
        Getter for table Submission is for.

        Args:
            table (str): table name
        """
        self._table = table

    @property
    def username(self) -> str:
        """
        Getter for Submission owner's username.

        Returns:
            str: Submission owner's username
        """
        return self._username

    @username.setter
    def username(self, username: str) -> None:
        """
        Setter for Submission owner's username.

        Args:
            username (str): Submission owner's username
        """
        self._username = username

    def get_embed(self) -> Embed:
        """Creates an embed based off of the submission state and fields filled out."""
        state: SubmissionState = self.submission_state

        if state is SubmissionState.CATEGORY:
            description = "Step 1: Choose your category!"
        elif state is SubmissionState.SCORE:
            description = "Step 2: Input your score!"
        elif state is SubmissionState.PROOF:
            description = "Step 3: Submit your proof!"
        elif state is SubmissionState.NAME:
            description = (
                "Step 4 (Optional): Change name on submission! (proceed to next if skipping)"
            )
        elif state is SubmissionState.SUBMIT:
            description = "Step 5: Submit if everything looks correct!"
        elif state is SubmissionState.VERIFY:
            description = "Review fields and accept."

        embed = Embed(title="Highscores Submission", description=description)
        embed.add_field(name="User Name", value=self.username, inline=False)
        embed.add_field(name="Table", value=self.table, inline=False)
        if self.category:
            embed.add_field(name="Category", value=self.category, inline=False)
        if self.score:
            embed.add_field(name="Score", value=self.score, inline=False)
        return embed


class SubmissionMap:
    """
    Tracks all active submission.
    """

    def __init__(self) -> None:
        """
        Default constructor for SubmissionMap. Created empty map.
        """
        self._submission_map: dict = {}

    def add_submission(self, user_id: int, submission: Submission) -> None:
        """
        Adds new submission to submission map. User id is used as a key, a user should only
        have one submission at a time.

        Args:
            user_id (int): User id of submitter. Unique, used as key.
            submission (Submission): Submission object
        """
        self._submission_map[user_id] = submission

    def get_user_submission(self, user_id: int) -> Submission:
        """
        Getter for a user's Submission.

        Args:
            user_id (int): user id

        Returns:
            Submission: user's submission
        """
        return self._submission_map[user_id]

    def has_user(self, user_id: int) -> bool:
        """
        Tells if user has an active submission in submission map.

        Args:
            user_id (int): user id

        Returns:
            bool: bool indicating if user id is in submission map
        """
        return user_id in self._submission_map

    def remove_user_submission(self, user_id: int) -> None:
        """
        Removes a user's Submission. Use when Submission is complete.

        Args:
            user_id (int): user id to identify user's Submission
        """
        self._submission_map.pop(user_id)