import json

from bookmark.config import AppConfig


def test_load_config_from_json(tmp_path):
    config_data = {
        "device_index": 0,
        "catalogue_path": str(tmp_path / "catalogue.csv"),
        "captures_dir": str(tmp_path / "captures"),
        "reference_frame_path": str(tmp_path / "reference.jpg"),
        "markers": [
            {"name": "small_boundary", "bucket": "small", "x": 0, "y": 0, "width": 10, "height": 10},
        ],
        "guide_box": [20, 20, 60, 60],
        "trigger_strategy": "manual",
    }
    config_path = tmp_path / "config.json"
    config_path.write_text(json.dumps(config_data))

    config = AppConfig.load(config_path)

    assert config.device_index == 0
    assert config.trigger_strategy == "manual"
    assert config.guide_box == (20, 20, 60, 60)
    assert len(config.markers) == 1
    assert config.markers[0].bucket == "small"