from __future__ import annotations

from dataclasses import dataclass

from tuxdmx_midi_bridge.midi import MidiEventFilter, normalize_message


@dataclass
class FakeMessage:
    type: str
    channel: int
    note: int | None = None
    control: int | None = None
    program: int | None = None
    velocity: int | None = None
    value: int | None = None


def test_normalize_note_on() -> None:
    payload = normalize_message(
        FakeMessage(type="note_on", channel=0, note=36, velocity=127),
        "bridge-a",
        "USB MIDI",
    )
    assert payload is not None
    assert payload["message"]["type"] == "note_on"
    assert payload["message"]["number"] == 36
    assert payload["message"]["value"] == 127


def test_filter_suppresses_duplicates_and_rate_limits_control_change() -> None:
    event_filter = MidiEventFilter(channel_filter=None, control_change_interval_ms=25, suppress_duplicate_values=True)
    payload = {
        "message": {"type": "control_change", "channel": 0, "number": 14, "value": 64}
    }
    assert event_filter.should_forward(payload) is True
    assert event_filter.should_forward(payload) is False