using UnityEngine;
using UnityEngine.Events;

public class Oscillogram : MonoBehaviour
{
    [SerializeField] new ParticleSystem particleSystem;
    [SerializeField] new Rigidbody rigidbody;
    [SerializeField] [Min(0)] [Tooltip("每分钟跳动次数")] int frequency;
    [SerializeField] [Tooltip("跳动时施加的力")] float amplitude;
    [SerializeField] UnityEvent beatEvent;

    float lastTime;
    bool isRandomizing = true;
    int minFrequency=45;
    int maxFrequency=70;
    float minAmplitude=1000;
    float maxAmplitude=1500;

    void FixedUpdate()
    {
        particleSystem.Emit(1);
        particleSystem.Simulate(Time.fixedDeltaTime, true, false);

        if (isRandomizing)
        {
            // 在范围内随机改变频率和振幅
            frequency = Random.Range(minFrequency, maxFrequency);
            amplitude = Random.Range(minAmplitude, maxAmplitude);
        }

        if (Time.fixedTime - lastTime > 60.0f / frequency)
        {
            beatEvent.Invoke();
            rigidbody.AddForce(Vector3.up * amplitude);
            lastTime = Time.fixedTime;
        }
    }

    public void SetFrequency(int newFrequency)
    {
        frequency = newFrequency;
    }

    public void SetAmplitude(float newAmplitude)
    {
        amplitude = newAmplitude;
    }

    public void ControlHeart(string type)
    {
        isRandomizing = true; // 启用随机化

        switch (type)
        {
            case "normal":
                minFrequency = 45;
                maxFrequency = 70;
                minAmplitude = 1000f;
                maxAmplitude = 1500f;
                break;
            case "quick":
                minFrequency = 80;
                maxFrequency = 150;
                minAmplitude = 1500f;
                maxAmplitude = 2000f;
                break;
            case "slow":
                minFrequency = 15;
                maxFrequency = 25;
                minAmplitude = 500f;
                maxAmplitude = 700f;
                break;
            default:
                Debug.LogWarning("Unknown heart type: " + type);
                isRandomizing = false; // 取消随机化
                break;
        }
    }
}