"""Warmup model for the standardized warmup routine.

Warmups are displayed before every workout in a fixed order.
"""

from datetime import datetime
from typing import Optional

from sqlmodel import Field, SQLModel


class Warmup(SQLModel, table=True):
    """A warmup exercise in the standardized routine.

    Attributes:
        id: Primary key, auto-incremented.
        name: Warmup name (e.g., "Cat / Cow").
        type: Category (e.g., "Thoracic Mob", "Hip Mobility").
        reps: Rep scheme as a string (e.g., "8 reps", "8 each side").
        form_cues: Detailed form instructions.
        sort_order: Display order in the warmup sequence.
        created_at: Timestamp when the record was created.
    """

    __tablename__ = "warmups"

    id: Optional[int] = Field(default=None, primary_key=True)
    name: str = Field(index=True)
    type: str = Field(default="")
    reps: str = Field(default="")
    form_cues: str = Field(default="")
    sort_order: int = Field(default=0)
    created_at: datetime = Field(default_factory=datetime.utcnow)