using System.Collections;
using System.Collections.Generic;
using UnityEngine;
using Cinemachine;
using UnityEngine.InputSystem;

public class ScreenShaker : MonoBehaviour {
    CinemachineVirtualCamera cam;
    CinemachineBasicMultiChannelPerlin noise;
    Coroutine coroutine;
    bool rumbleHeld;

    void Awake() {
        cam = GetComponent<CinemachineVirtualCamera>();
        noise = cam.GetCinemachineComponent<CinemachineBasicMultiChannelPerlin>();
    }

    public void Shake(float magnitude = 1f, float rumbleLowFreq = 0.25f, float rumbleHighFreq = 0.75f, float duration = 0.2f) {
	    if (coroutine is {})
		    StopCoroutine(coroutine);
	    
        coroutine = StartCoroutine(ShakeCoroutine(magnitude, rumbleLowFreq, rumbleHighFreq, duration));
    }

    public void StartHeldRumble(float rumbleLowFreq = 0.25f, float rumbleHighFreq = 0.75f) {
	    rumbleHeld = true;
	    Gamepad.current.SetMotorSpeeds(rumbleLowFreq, rumbleHighFreq);
    }

    public void StopHeldRumble() {
	    rumbleHeld = false;
	    Gamepad.current.ResetHaptics();
    }

    IEnumerator ShakeCoroutine(float magnitude, float rumbleLowFreq, float rumbleHighFreq, float duration) {
        noise.m_AmplitudeGain = magnitude;
        noise.m_FrequencyGain = 10f;
        Gamepad.current.SetMotorSpeeds(rumbleLowFreq, rumbleHighFreq);

        yield return new WaitForSecondsRealtime(duration);

        noise.m_AmplitudeGain = 0f;
        noise.m_FrequencyGain = 1f;
        if (!rumbleHeld)
			Gamepad.current.ResetHaptics();
    }

}