"""Ticker request/response schemas."""

from datetime import date, datetime

from pydantic import BaseModel, Field


class TickerCreate(BaseModel):
    symbol: str = Field(..., description="NASDAQ ticker symbol (e.g. AAPL)")


class TickerResponse(BaseModel):
    id: int
    symbol: str
    name: str | None = None
    created_at: datetime
    # NULL == actively traded. Delisted symbols stay in the registry with their
    # history and are excluded from signals — the date is what makes that
    # visible instead of the row silently disappearing.
    delisted_on: date | None = None
    delisted_reason: str | None = None

    model_config = {"from_attributes": True}


class TickerDelistingUpdate(BaseModel):
    delisted_on: date = Field(
        ..., description="Effective date the symbol stopped trading"
    )


class TickerTrackingUpdate(BaseModel):
    tracked: bool = Field(
        ...,
        description=(
            "True to scan this symbol, False to exclude it from the live path. "
            "History is retained either way — this is not a delisting."
        ),
    )