from pydantic import model_validator
from fiber_package.refs import EntityRefList, EntityRef

from datetime import date

from typing import Self, Literal

from fiber_package.base import FiberBaseModel


'''
Guilds are groups of members for an indefinite period.
They have a list of members.

Removing old members from last_active is done in fiber
'''

class GuildModel(FiberBaseModel):
    collection_name: Literal["guild"] = "guild"

    full_name_en: str
    full_name_nl: str
    description_en: str
    description_nl: str

    members: EntityRefList
    previous_members: EntityRefList

    guild_masters: EntityRefList

    last_active: dict[EntityRef, date]

    @model_validator(mode='after')
    def current_members_not_previous(self) -> Self:
        for member in self.members:
            if member in self.previous_members:
                raise ValueError(
                    "There can be no overlap between members and previous members!"
                )
        return self

    @model_validator(mode='after')
    def guild_masters_are_members(self) -> Self:
        for master in self.guild_masters:
            if master not in self.members:
                raise ValueError("All guild masters must be members!")
        return self