import uuid

from django.contrib.contenttypes.models import ContentType
from django.core import serializers
from django.db import models


class BaseModel(models.Model):
    id = models.UUIDField(default=uuid.uuid4, editable=False)
    created = models.DateTimeField(auto_now_add=True)
    updated = models.DateTimeField(auto_now=True)
    objects = models.Manager()

    class Meta:
        abstract = True

    def get_content_type(self):
        return ContentType.objects.get_for_model(self)

    def model_name(self):
        try:
            return self._meta.verbose_name
        except AttributeError:
            return ""

    def to_json(self):
        return serializers.serialize('json', [self, ])


class Account(BaseModel):
    class Meta:
        verbose_name = "account"
        verbose_name_plural = "accounts"

    username = models.CharField(max_length=100)
    password = models.CharField(max_length=100)
    email = models.CharField(max_length=100)
    last_login = models.DateTimeField()

    def __str__(self):
        return f"<Account {self.username} ({self.id})>"


class Planet(BaseModel):
    class Meta:
        verbose_name = "planet"
        verbose_name_plural = "planets"

    name = models.CharField(max_length=100)

    def __str__(self):
        return f"<Planet {self.name} ({self.id})>"


class Player(BaseModel):
    class Meta:
        verbose_name = "player"
        verbose_name_plural = "players"

    account = models.ForeignKey(Account, on_delete=models.PROTECT, verbose_name="Account")
    planet = models.ForeignKey(Planet, on_delete=models.PROTECT, verbose_name="Planet")

    def __str__(self):
        return f"<Player {self.account.username}@{self.planet.name} ({self.id})>"


class Dome(BaseModel):
    class Meta:
        verbose_name = "dome"
        verbose_name_plural = "domes"

    name = models.CharField(max_length=100)
    player = models.ForeignKey(Player, on_delete=models.PROTECT, verbose_name="Player")
    population = models.IntegerField(default=0)

    def __str__(self):
        return f"<Dome {self.name} ({self.id})>"


class DomeBuilding(BaseModel):
    class Meta:
        verbose_name = "dome_building"
        verbose_name_plural = "dome_buildings"

    name = models.CharField(max_length=255)

    def __str__(self):
        return f"<DomeBuilding {self.name} ({self.id})>"


class DomeBuildingInstance(BaseModel):
    class Meta:
        verbose_name = "dome_building_instance"
        verbose_name_plural = "dome_building_instances"

    dome = models.ForeignKey(Dome, on_delete=models.PROTECT, verbose_name="Dome")
    dome_building = models.ForeignKey(DomeBuilding, on_delete=models.PROTECT, verbose_name="DomeBuilding")
    level = models.IntegerField(default=1)

    def __str__(self):
        return f"<DomeBuildingInstance {self.dome_building.name}@{self.dome.name} ({self.id})>"


class LocalisedBaseModel(BaseModel):
    x = models.IntegerField()
    y = models.IntegerField()


class Colony(LocalisedBaseModel):
    class Meta:
        verbose_name = "colony"
        verbose_name_plural = "colonies"

    player = models.ForeignKey(Player, on_delete=models.PROTECT, verbose_name="Player")
    name = models.CharField(max_length=100)

    def __str__(self):
        return f"<Colony {self.name} ({self.id})>"


class ColonyBuilding(BaseModel):
    class Meta:
        verbose_name = "colony_building"
        verbose_name_plural = "colony_buildings"

    name = models.CharField(max_length=100)

    def __str__(self):
        return f"<ColonyBuilding {self.name} ({self.id})>"


class ColonyBuildingInstance(LocalisedBaseModel):
    class Meta:
        verbose_name = "colony_building_instance"
        verbose_name_plural = "colony_building_instances"

    colony = models.ForeignKey(Colony, on_delete=models.PROTECT, verbose_name="Colony")
    colony_building = models.ForeignKey(ColonyBuilding, on_delete=models.PROTECT, verbose_name="ColonyBuilding")

    def __str__(self):
        return f"<ColonyBuilding {self.colony_building.name}@{self.colony.name} ({self.id})>"


class Transport(BaseModel):
    class Meta:
        verbose_name = "transport"
        verbose_name_plural = "transports"

    name = models.CharField(max_length=100)
    max_distance = models.IntegerField()
    required_building = models.IntegerField(null=True)

    def __str__(self):
        return f"<Transport {self.name} ({self.id})>"


class Route(BaseModel):
    class Meta:
        verbose_name = "route"
        verbose_name_plural = "routes"

    origin = models.ForeignKey(Colony, on_delete=models.PROTECT, verbose_name="OriginColony")
    target = models.ForeignKey(Colony, on_delete=models.PROTECT, verbose_name="TargetColony")
    transport = models.ForeignKey(Transport, on_delete=models.PROTECT, verbose_name="Transport")

    def __str__(self):
        return f"<Route {self.origin.name}>{self.target.name} ({self.id})>"