from pathlib import Path


ROOT = Path(__file__).resolve().parents[1]
DASHBOARD = ROOT / "firmware" / "esp32-s3-dashboard" / "esp32-s3-dashboard.ino"


def test_setup_done_button_event_is_handled():
    source = DASHBOARD.read_text()

    callback_start = source.index("static void setup_keyboard_event_cb")
    callback_end = source.index("static void setup_textarea_event_cb", callback_start)
    callback = source[callback_start:callback_end]

    assert "LV_EVENT_CLICKED" in callback
    assert "lv_obj_add_flag(setup_keyboard, LV_OBJ_FLAG_HIDDEN);" in callback
    assert "lv_obj_add_event_cb(done_button, setup_keyboard_event_cb, LV_EVENT_CLICKED" in source


def test_dashboard_can_is_passive_and_logs_changed_frames():
    source = DASHBOARD.read_text()

    assert "TWAI_MODE_LISTEN_ONLY" in source
    assert "twai_transmit(" not in source
    assert "log_changed_can_frame(message);" in source
    assert 'Serial.print("CAN,");' in source
    assert 'can_serial_command.startsWith("TEMP,")' in source
    assert 'can_serial_command.startsWith("MARK,")' in source
    assert 'Serial.print("MARK,");' in source