"""Pydantic schemas for Measurement operations."""
from datetime import datetime
from typing import Optional

from pydantic import BaseModel, ConfigDict, Field


class MeasurementCreate(BaseModel):
    """Schema for creating a single measurement."""
    subtask_id: int
    version_id: int
    value: float
    lot_number: Optional[str] = Field(None, max_length=100)
    serial_number: Optional[str] = Field(None, max_length=100)
    input_method: str = Field("manual", pattern="^(usb_caliper|manual)$")


class MeasurementBatchCreate(BaseModel):
    """Schema for creating multiple measurements at once."""
    measurements: list[MeasurementCreate]


class MeasurementResponse(BaseModel):
    """Schema for measurement response."""
    model_config = ConfigDict(from_attributes=True)

    id: int
    subtask_id: int
    version_id: int
    measured_by: int
    value: float
    pass_fail: str
    deviation: Optional[float] = None
    lot_number: Optional[str] = None
    serial_number: Optional[str] = None
    input_method: str
    measured_at: datetime
    synced_to_csv: bool


class MeasurementListResponse(BaseModel):
    """Schema for paginated measurement list."""
    items: list[MeasurementResponse]
    total: int
    page: int
    per_page: int
    pages: int


class MeasurementQuery(BaseModel):
    """Schema for measurement query filters."""
    recipe_id: Optional[int] = None
    version_id: Optional[int] = None
    subtask_id: Optional[int] = None
    measured_by: Optional[int] = None
    lot_number: Optional[str] = None
    serial_number: Optional[str] = None
    date_from: Optional[datetime] = None
    date_to: Optional[datetime] = None
    pass_fail: Optional[str] = Field(None, pattern="^(pass|warning|fail)$")
    page: int = Field(1, ge=1)
    per_page: int = Field(50, ge=1, le=500)