from pydantic import BaseModel
from typing import Any


class ApiError(BaseModel):
    code: str
    message: str


class ApiResponse(BaseModel):
    success: bool
    data: Any | None = None
    error: ApiError | None = None


def ok(data: Any) -> dict:
    return {"success": True, "data": data, "error": None}


def fail(code: str, message: str) -> dict:
    return {"success": False, "data": None, "error": {"code": code, "message": message}}


class DeviceInfo(BaseModel):
    index: int
    vid: str
    pid: str
    serial: str
    bus: int
    device: int


class IntrinsicsInfo(BaseModel):
    fx: float
    fy: float
    cx: float
    cy: float


class CameraIntrinsicsInfo(BaseModel):
    ir: IntrinsicsInfo
    rgb: IntrinsicsInfo


class FrameInfo(BaseModel):
    frame_id: int
    timestamp: float
    rgb_shape: list[int]
    depth_shape: list[int]
    depth_min_mm: int
    depth_max_mm: int
    depth_valid_pixels: int
    rgb_jpeg_b64: str | None = None
    depth_png_b64: str | None = None