# Copyright (c) 2021-2025  The University of Texas Southwestern Medical Center.
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#
import pytest


@pytest.fixture
def dummy_zoom(dummy_model):
    from navigate.model.devices.zoom.synthetic import SyntheticZoom

    return SyntheticZoom(
        dummy_model.active_microscope_name, None, dummy_model.configuration
    )


def test_zoom_base_attributes(dummy_zoom):

    assert hasattr(dummy_zoom, "zoomdict")
    assert hasattr(dummy_zoom, "zoomvalue")

    assert hasattr(dummy_zoom, "set_zoom") and callable(getattr(dummy_zoom, "set_zoom"))
    assert hasattr(dummy_zoom, "move") and callable(getattr(dummy_zoom, "move"))
    assert hasattr(dummy_zoom, "read_position") and callable(
        getattr(dummy_zoom, "read_position")
    )


def test_build_stage_dict(dummy_zoom):
    import random

    a, b, c = random.randint(1, 1000), random.randint(1, 1000), random.randint(1, 1000)
    dummy_zoom.configuration["stage_positions"] = {
        "BABB": {"f": {"0.63x": a, "1x": b, "2x": c}}
    }
    dummy_zoom.build_stage_dict()

    assert dummy_zoom.stage_offsets["BABB"]["f"]["0.63x"]["0.63x"] == 0
    assert dummy_zoom.stage_offsets["BABB"]["f"]["0.63x"]["1x"] == b - a
    assert dummy_zoom.stage_offsets["BABB"]["f"]["0.63x"]["2x"] == c - a
    assert dummy_zoom.stage_offsets["BABB"]["f"]["1x"]["0.63x"] == a - b
    assert dummy_zoom.stage_offsets["BABB"]["f"]["1x"]["1x"] == 0
    assert dummy_zoom.stage_offsets["BABB"]["f"]["1x"]["2x"] == c - b
    assert dummy_zoom.stage_offsets["BABB"]["f"]["2x"]["0.63x"] == a - c
    assert dummy_zoom.stage_offsets["BABB"]["f"]["2x"]["1x"] == b - c
    assert dummy_zoom.stage_offsets["BABB"]["f"]["2x"]["2x"] == 0


def test_set_zoom(dummy_zoom):
    for zoom in dummy_zoom.zoomdict.keys():
        dummy_zoom.set_zoom(zoom)
        assert dummy_zoom.zoomvalue == zoom

    try:
        dummy_zoom.set_zoom("not_a_zoom")
        assert False
    except ValueError:
        assert True