from sqlalchemy.ext.associationproxy import association_proxy
from sqlalchemy.schema import UniqueConstraint

from app import db
from .role import Role
from .notification_player import NotificationPlayer
from .player_found_objective import PlayerFoundObjective

class GamePlayer(db.Model):
    __tablename__ = 'game_player'
    id = db.Column(db.Integer, primary_key=True)
    game_id = db.Column(db.Integer, db.ForeignKey('game.id'), nullable=False)
    user_id = db.Column(db.Integer, db.ForeignKey('user.id'), nullable=False)
    role = db.Column(db.Enum(Role), server_default=Role(0).name, nullable=False)
    game = db.relationship('Game', back_populates='players')
    user = db.relationship('User', back_populates='user_games')
    __table_args__ = (UniqueConstraint('game_id', 'user_id', name='_game_user_uc'),
                     )

    player_notifications = db.relationship(
        'NotificationPlayer',
        back_populates='recipient',
        cascade='save-update, merge, delete, delete-orphan')
    notifications = association_proxy('player_notifications', 'notification',
        creator=lambda notification: NotificationPlayer(notification=notification))

    player_found_objectives = db.relationship(
        'PlayerFoundObjective',
        back_populates='game_player',
        cascade='save-update, merge, delete, delete-orphan')
    found_objectives = association_proxy('player_found_objectives', 'objective',
        creator=lambda objective: PlayerFoundObjective(objective=objective))

    caught_by_players = association_proxy('player_caught_by_players', 'caught_player')
    caught_players = association_proxy('player_caught_players', 'catching_player')

    def last_location(self):
        # pylint: disable=no-member
        self.user.last_location(self.game)

    def locations_during_game(self):
        # pylint: disable=no-member
        self.user.locations_during_game(self.game)