from __future__ import annotations

from datetime import datetime
from uuid import UUID

from pydantic import BaseModel, Field


class ChangeDetectionRequest(BaseModel):
    source_dataset_id: UUID
    target_dataset_id: UUID
    iou_threshold: float = Field(default=0.8, ge=0.0, le=1.0)
    include_unchanged: bool = True


class ChangeDetectionSummary(BaseModel):
    source_dataset_id: UUID
    target_dataset_id: UUID
    source_feature_count: int
    target_feature_count: int
    added_count: int
    removed_count: int
    # A footprint that was redrawn rather than demolished and rebuilt. Without
    # this class it appeared as one removal plus one addition.
    modified_count: int = 0
    unchanged_count: int
    iou_threshold: float
    modified_iou_threshold: float | None = None
    warnings: list[str] = Field(default_factory=list)
    generated_at: datetime
    geojson: dict