import wave
import math
import struct


def generate_ding(filename="assets/sounds/ding.wav", frequency=800, duration=0.15):
    sample_rate = 44100
    n_frames = int(sample_rate * duration)

    with wave.open(filename, "w") as wav_file:
        wav_file.setnchannels(1)
        wav_file.setsampwidth(2)
        wav_file.setframerate(sample_rate)

        data = []
        for i in range(n_frames):
            # Затухающая синусоида
            t = i / sample_rate
            value = int(
                32767.0 * math.sin(2 * math.pi * frequency * t) * (1 - t / duration)
            )
            data.append(struct.pack("<h", value))

        wav_file.writeframes(b"".join(data))


if __name__ == "__main__":
    generate_ding()