"""
Commands for removing information in the database.
"""

import nextcord
from nextcord.ext import commands
from sqlalchemy import select
from sqlalchemy.orm import Session

from database_setup.sql_data_classes import (
    ElectionInformation,
    Presences,
    Votes,
    engine,
)


class RemoveCog(commands.Cog, name="View Commands"):
    """
    Holds the view commands.
    """

    def __init__(self) -> None:
        """
        Default constructor for RemoveCog class. Does nothing.
        """

    @nextcord.slash_command(
        guild_ids=[1000247361639030804],
        default_member_permissions=nextcord.Permissions(administrator=True),
    )  # TODO remove guild ids
    async def remove(self, interaction: nextcord.Interaction):
        """
        Parent slash command for set. Never called.
        """

    @remove.subcommand(description="Remove a presence from the database.")
    async def presence(
        self,
        interaction: nextcord.Interaction,
        presence: str = nextcord.SlashOption(
            description="The presence to remove", required=True
        ),
    ):
        """
        _summary_

        Args:
            interaction (nextcord.Interaction): Interaction that invoked the command.
            presence (str): Is SlashOption. The presence to remove.
        """

    @remove.on_autocomplete("presence")
    async def election_autocomplete(
        self, interaction: nextcord.Interaction, presence: str
    ):
        """
        Collects all presences that start with the presence string.

        Args:
            interaction (nextcord.Interaction): Interaction with command.
            presence (str): String to run autocomplete on.
        """

        with Session(engine) as session:
            stmt = select(Presences)
            presences = session.scalars(stmt)

            # if empty compare string
            if not election_name:
                await interaction.response.send_autocomplete(elections[:25])
                return

            autofilled_presences: "list[str]" = [
                election
                for election in elections
                if election.lower().startswith(election_name.lower())
            ]
            await interaction.response.send_autocomplete(autofilled_presences[:25])