using TMPro;
using UnityEngine;

public class MicrophoneStand : MonoBehaviour
{
    public TextMeshProUGUI outputText;

    public GameObject microphoneOffStatus;
    public GameObject microphoneOnStatus;

    public FMODWhisperBridge fmodWhisperBridge;

    public delegate void OnPlayerUsedMicrophoneDelegate();
    public event OnPlayerUsedMicrophoneDelegate OnPlayerUsedMicrophone;

    [Header("Particle System Config")]
    public ParticleSystem particles;
    public float baseEmissionRate = 3;
    public float maxExtraEmissionRate = 50;

    private ParticleSystem.EmissionModule particleEmission;

    // Start is called before the first frame update
    void Start()
    {
        microphoneOffStatus.SetActive(true);
        microphoneOnStatus.SetActive(false);

        particleEmission = particles.emission;
        particleEmission.enabled = false;
    }

    // Update is called once per frame
    void Update()
    {
        if (particleEmission.enabled)
        {
            particleEmission.rateOverTime = baseEmissionRate + fmodWhisperBridge.GetNormalizedVolume01() * maxExtraEmissionRate;
        }
    }

    public void OnPlayerApproach()
    {
        fmodWhisperBridge.ActivateRecording();
        fmodWhisperBridge.OnWhisperSegmentUpdated += OnPlayerSpeechUpdated;
        fmodWhisperBridge.OnWhisperSegmentFinished += OnPlayerSpeechFinished;
        microphoneOffStatus.SetActive(false);
        microphoneOnStatus.SetActive(true);
        particleEmission.enabled = true;
        AudioManager.Instance.PlayAttachedInstance(FMODEvents.Instance.RadioButton, gameObject);
    }

    public void OnPlayerLeave()
    {
        fmodWhisperBridge.OnWhisperSegmentUpdated -= OnPlayerSpeechUpdated;
        fmodWhisperBridge.OnWhisperSegmentFinished -= OnPlayerSpeechFinished;
        fmodWhisperBridge.DeactivateRecording();

        microphoneOffStatus.SetActive(true);
        microphoneOnStatus.SetActive(false);
        particleEmission.enabled = false;
        AudioManager.Instance.PlayAttachedInstance(FMODEvents.Instance.RadioButton, gameObject);
    }

    private void OnPlayerSpeechUpdated(string text)
    {
        outputText.text = text;
        OnPlayerUsedMicrophone?.Invoke();
    }

    private void OnPlayerSpeechFinished(string text)
    {
        outputText.text = text;
        OnPlayerUsedMicrophone?.Invoke();
    }

    public string GetTextOutput()
    {
        return outputText.text;
    }
}