from datetime import datetime

from pydantic import BaseModel, Field


class SessionCreate(BaseModel):
    title: str = "Новый чат"


class SessionOut(BaseModel):
    id: int
    title: str
    created_at: datetime
    updated_at: datetime

    model_config = {"from_attributes": True}


class MessageOut(BaseModel):
    id: int
    role: str
    content: str
    created_at: datetime

    model_config = {"from_attributes": True}


class SessionDetailOut(SessionOut):
    messages: list[MessageOut]


class MessageCreate(BaseModel):
    content: str = Field(min_length=1)


class PomodoroStart(BaseModel):
    duration_min: int = Field(default=25, ge=1, le=180)
    task_note: str = ""


class PomodoroStop(BaseModel):
    result: str = ""
    completed: bool = False