# Released under the MIT License. See LICENSE for details.
#
"""Functionality related to team games."""

from __future__ import annotations

from typing import TYPE_CHECKING, TypeVar

import _ba
from ba._freeforallsession import FreeForAllSession
from ba._gameactivity import GameActivity
from ba._gameresults import GameResults
from ba._dualteamsession import DualTeamSession

if TYPE_CHECKING:
    from typing import Any, Sequence
    from bastd.actor.playerspaz import PlayerSpaz
    import ba

# pylint: disable=invalid-name
PlayerType = TypeVar('PlayerType', bound='ba.Player')
TeamType = TypeVar('TeamType', bound='ba.Team')
# pylint: enable=invalid-name


class TeamGameActivity(GameActivity[PlayerType, TeamType]):
    """Base class for teams and free-for-all mode games.

    Category: **Gameplay Classes**

    (Free-for-all is essentially just a special case where every
    ba.Player has their own ba.Team)
    """

    @classmethod
    def supports_session_type(cls, sessiontype: type[ba.Session]) -> bool:
        """
        Class method override;
        returns True for ba.DualTeamSessions and ba.FreeForAllSessions;
        False otherwise.
        """
        return issubclass(sessiontype, DualTeamSession) or issubclass(
            sessiontype, FreeForAllSession
        )

    def __init__(self, settings: dict):
        super().__init__(settings)

        # By default we don't show kill-points in free-for-all sessions.
        # (there's usually some activity-specific score and we don't
        # wanna confuse things)
        if isinstance(self.session, FreeForAllSession):
            self.show_kill_points = False

    def on_transition_in(self) -> None:
        # pylint: disable=cyclic-import
        from ba._coopsession import CoopSession
        from bastd.actor.controlsguide import ControlsGuide

        super().on_transition_in()

        # On the first game, show the controls UI momentarily.
        # (unless we're being run in co-op mode, in which case we leave
        # it up to them)
        if not isinstance(self.session, CoopSession):
            attrname = '_have_shown_ctrl_help_overlay'
            if not getattr(self.session, attrname, False):
                delay = 4.0
                lifespan = 10.0
                if self.slow_motion:
                    lifespan *= 0.3
                ControlsGuide(
                    delay=delay,
                    lifespan=lifespan,
                    scale=0.8,
                    position=(380, 200),
                    bright=True,
                ).autoretain()
                setattr(self.session, attrname, True)

    def on_begin(self) -> None:
        super().on_begin()
        try:
            # Award a few achievements.
            if isinstance(self.session, FreeForAllSession):
                if len(self.players) >= 2:
                    _ba.app.ach.award_local_achievement('Free Loader')
            elif isinstance(self.session, DualTeamSession):
                if len(self.players) >= 4:
                    from ba import _achievement

                    _ba.app.ach.award_local_achievement('Team Player')
        except Exception:
            from ba import _error

            _error.print_exception()

    def spawn_player_spaz(
        self,
        player: PlayerType,
        position: Sequence[float] | None = None,
        angle: float | None = None,
    ) -> PlayerSpaz:
        """
        Method override; spawns and wires up a standard ba.PlayerSpaz for
        a ba.Player.

        If position or angle is not supplied, a default will be chosen based
        on the ba.Player and their ba.Team.
        """
        if position is None:
            # In teams-mode get our team-start-location.
            if isinstance(self.session, DualTeamSession):
                position = self.map.get_start_position(player.team.id)
            else:
                # Otherwise do free-for-all spawn locations.
                position = self.map.get_ffa_start_position(self.players)

        return super().spawn_player_spaz(player, position, angle)

    # FIXME: need to unify these arguments with GameActivity.end()
    def end(  # type: ignore
        self,
        results: Any = None,
        announce_winning_team: bool = True,
        announce_delay: float = 0.1,
        force: bool = False,
    ) -> None:
        """
        End the game and announce the single winning team
        unless 'announce_winning_team' is False.
        (for results without a single most-important winner).
        """
        # pylint: disable=arguments-renamed
        from ba._coopsession import CoopSession
        from ba._multiteamsession import MultiTeamSession
        from ba._general import Call

        # Announce win (but only for the first finish() call)
        # (also don't announce in co-op sessions; we leave that up to them).
        session = self.session
        if not isinstance(session, CoopSession):
            do_announce = not self.has_ended()
            super().end(results, delay=2.0 + announce_delay, force=force)

            # Need to do this *after* end end call so that results is valid.
            assert isinstance(results, GameResults)
            if do_announce and isinstance(session, MultiTeamSession):
                session.announce_game_results(
                    self,
                    results,
                    delay=announce_delay,
                    announce_winning_team=announce_winning_team,
                )

        # For co-op we just pass this up the chain with a delay added
        # (in most cases). Team games expect a delay for the announce
        # portion in teams/ffa mode so this keeps it consistent.
        else:
            # don't want delay on restarts..
            if (
                isinstance(results, dict)
                and 'outcome' in results
                and results['outcome'] == 'restart'
            ):
                delay = 0.0
            else:
                delay = 2.0
                _ba.timer(0.1, Call(_ba.playsound, _ba.getsound('boxingBell')))
            super().end(results, delay=delay, force=force)