from datetime import datetime

from pydantic import BaseModel, Field


class GroupCreate(BaseModel):
    name: str = Field(..., min_length=1, max_length=128)
    description: str | None = Field(None, max_length=512)


class GroupUpdate(BaseModel):
    name: str | None = Field(None, min_length=1, max_length=128)
    description: str | None = Field(None, max_length=512)


class GroupMemberOut(BaseModel):
    id: str
    email: str
    full_name: str | None
    is_active: bool
    is_group_admin: bool = False
    joined_at: datetime

    model_config = {"from_attributes": True}


class GroupMemberAdminUpdate(BaseModel):
    is_group_admin: bool


class GroupOut(BaseModel):
    id: str
    name: str
    description: str | None
    created_at: datetime
    member_count: int = 0

    model_config = {"from_attributes": True}


class GroupDetailOut(GroupOut):
    members: list[GroupMemberOut] = []