from json import JSONEncoder
from sqlalchemy.sql import func

from app import db

class Location(db.Model):
    __tablename__ = 'location'
    id = db.Column(db.Integer, primary_key=True)
    player_id = db.Column(db.Integer, db.ForeignKey('player.id'), nullable=False)
    longitude = db.Column(db.Numeric(precision=15, scale=10, asdecimal=False, decimal_return_scale=None), nullable=False) # maybe check asdecimal and decimal_return_scale later?
    latitude = db.Column(db.Numeric(precision=15, scale=10, asdecimal=False, decimal_return_scale=None), nullable=False)
    timestamp = db.Column(db.DateTime, server_default=func.now(), nullable=False)

    def __str__(self):
        return f'{self.longitude}, {self.latitude}'

class LocationEncoder(JSONEncoder):
    def default(self, location):
        return {
            'player_name' : location.player.name,
            'longitude' : location.longitude,
            'latitude' : location.latitude,
            'timestamp_utc' : str(location.timestamp)
        }