import pytest

from core.validator import FALLBACK_SPEC, validate


def test_validate_slider_passes(sample_slider_spec):
    ok, spec = validate(sample_slider_spec)
    assert ok is True
    assert spec["component"] == "Slider"


def test_validate_textbox_passes(sample_textbox_spec):
    ok, spec = validate(sample_textbox_spec)
    assert ok is True
    assert spec["component"] == "Textbox"


def test_validate_image_passes(sample_image_spec):
    ok, spec = validate(sample_image_spec)
    assert ok is True
    assert spec["component"] == "Image"


def test_validate_dropdown_passes(sample_dropdown_spec):
    ok, spec = validate(sample_dropdown_spec)
    assert ok is True
    assert spec["component"] == "Dropdown"


def test_validate_checkbox_passes(sample_checkbox_spec):
    ok, spec = validate(sample_checkbox_spec)
    assert ok is True
    assert spec["component"] == "Checkbox"


def test_validate_button_passes(sample_button_spec):
    ok, spec = validate(sample_button_spec)
    assert ok is True
    assert spec["component"] == "Button"


def test_validate_audio_passes(sample_audio_spec):
    ok, spec = validate(sample_audio_spec)
    assert ok is True
    assert spec["component"] == "Audio"


def test_validate_file_passes(sample_file_spec):
    ok, spec = validate(sample_file_spec)
    assert ok is True
    assert spec["component"] == "File"


def test_validate_plot_passes(sample_plot_spec):
    ok, spec = validate(sample_plot_spec)
    assert ok is True
    assert spec["component"] == "Plot"


def test_validate_dataframe_passes(sample_dataframe_spec):
    ok, spec = validate(sample_dataframe_spec)
    assert ok is True
    assert spec["component"] == "Dataframe"


def test_validate_unknown_component_returns_fallback():
    spec = {"component": "ColorPicker", "props": {}}
    ok, result = validate(spec)
    assert ok is False
    assert result["component"] == FALLBACK_SPEC["component"]


def test_validate_missing_props_returns_fallback():
    spec = {"component": "Slider"}
    ok, result = validate(spec)
    assert ok is False
    assert result["component"] == FALLBACK_SPEC["component"]


def test_validate_not_a_dict_returns_fallback():
    ok, result = validate("not a dict")  # type: ignore[arg-type]
    assert ok is False
    assert result["component"] == FALLBACK_SPEC["component"]


def test_validate_extra_props_stripped_silently():
    spec = {
        "component": "Slider",
        "props":     {"label": "X", "minimum": 0, "maximum": 10, "unknown_prop": "bad"},
        "layout":    "vertical",
        "connected_output": None,
    }
    ok, result = validate(spec)
    assert ok is True
    assert "unknown_prop" not in result["props"]
    assert "label" in result["props"]


def test_validate_preserves_layout_and_connected_output(sample_slider_spec):
    sample_slider_spec["layout"]           = "horizontal"
    sample_slider_spec["connected_output"] = "image"
    ok, spec = validate(sample_slider_spec)
    assert ok is True
    assert spec["layout"]           == "horizontal"
    assert spec["connected_output"] == "image"