"""API schemas (Pydantic) for PlannedLeaveDay.

Schemas validate request bodies and shape responses. Separate from domain entities
so the wire format can evolve independently.
"""

from datetime import date, datetime
from uuid import UUID

from pydantic import BaseModel, Field

from app.entities.planned_leave import PlannedLeaveDay


class PlannedLeaveDayCreate(BaseModel):
    workspace_id: UUID
    child_id: UUID
    parent_personal_data_uuid: UUID
    date: date
    day_type: str = Field(pattern="^(sjukpenning|lagsta|vacation)$")
    is_dubbeldag: bool = False


class PlannedLeaveDayUpdate(BaseModel):
    """Partial update — all fields optional."""

    day_type: str | None = Field(None, pattern="^(sjukpenning|lagsta|vacation)$")
    is_dubbeldag: bool | None = None


class PlannedLeaveDayResponse(BaseModel):
    id: UUID
    workspace_id: UUID
    child_id: UUID
    parent_personal_data_uuid: UUID
    date: date
    day_type: str
    is_dubbeldag: bool
    created_at: datetime | None
    updated_at: datetime | None

    @classmethod
    def from_entity(cls, entity: PlannedLeaveDay) -> "PlannedLeaveDayResponse":
        return cls(
            id=entity.id,
            workspace_id=entity.workspace_id,
            child_id=entity.child_id,
            parent_personal_data_uuid=entity.parent_personal_data_uuid,
            date=entity.date,
            day_type=entity.day_type,
            is_dubbeldag=entity.is_dubbeldag,
            created_at=entity.created_at,
            updated_at=entity.updated_at,
        )