from __future__ import annotations

from typing import Any, Literal

from pydantic import BaseModel, Field


class Detection(BaseModel):
    frame_index: int = Field(ge=0)
    timestamp_sec: float = Field(ge=0.0)
    label: str
    confidence: float = Field(ge=0.0, le=1.0)
    bbox_xyxy: tuple[float, float, float, float]
    bbox_xyxy_norm: tuple[float, float, float, float]
    track_id: int | None = None


class FrameSample(BaseModel):
    frame_index: int = Field(ge=0)
    timestamp_sec: float = Field(ge=0.0)


class VideoProcessResult(BaseModel):
    output_video_path: str
    classes: list[str]
    detections: list[Detection]
    frames: list[FrameSample] = Field(default_factory=list)
    processed_frames: int
    source_fps: float
    output_fps: float
    frame_stride: int
    sample_interval_sec: float | None = None


class ActionEvent(BaseModel):
    rule: str
    action: str
    type: Literal["simulate", "webhook"]
    frame_index: int
    timestamp_sec: float
    status: str = "pending"
    url: str | None = None
    payload: dict[str, Any] = Field(default_factory=dict)
    response_status: int | None = None
    error: str | None = None