using System.Collections.Generic;
using System.Linq;
using FMOD.Studio;
using FMODUnity;
using UnityEngine;
using STOP_MODE = FMOD.Studio.STOP_MODE;

public class DoorFrame : MonoBehaviour
{
    [SerializeField] private float timeScale = 1f;
    [SerializeField] private Animator animator;
    [SerializeField] private EventReference doorClip;
    [SerializeField] private string paramName;
    [SerializeField] private string labelToOpening;
    [SerializeField] private string labelToFinish;

    [SerializeField] private List<ParticleSystem> particles;
    
    private EventInstance eventInstance;
        
    private State state;
    private readonly int open = Animator.StringToHash("Open");
    private float time;
  
    private enum State
    {
        Idle = 0,
        Open = 1,
        Close = 2,
    }

    private void Awake()
    {
        eventInstance = RuntimeManager.CreateInstance(doorClip);
        eventInstance.set3DAttributes(transform.position.To3DAttributes());
    }

    private void Update()
    {
        var deltaTime = Time.deltaTime * timeScale;
        switch(state)
        {
            case State.Idle:
                animator.Play(open, 0, time);
                return;
            case State.Open:
                time += deltaTime;
                break;
            case State.Close:
                time -= deltaTime;
                break;
        }
        
        time = Mathf.Clamp01(time);
        animator.Play(open, 0, time);

        if(time is <= 0 or >= 1f)
        {
            if(state != State.Idle)
            {
                eventInstance.setParameterByNameWithLabel(paramName, labelToFinish);
                PlayParticles();
            }
            state = State.Idle;
        }
    }

    public void Enter()
    {
        eventInstance.setParameterByNameWithLabel(paramName, labelToOpening);
        if(state == State.Idle)
        {
            eventInstance.stop(STOP_MODE.IMMEDIATE);
            eventInstance.start();
            PlayParticles();
        }
        state = State.Open;
    }
    
    public void Exit()
    {
        eventInstance.setParameterByNameWithLabel(paramName, labelToOpening);
        if(state == State.Idle)
        {
            eventInstance.stop(STOP_MODE.IMMEDIATE);
            eventInstance.start();
            PlayParticles();
        }
        state = State.Close;
    }

    private void PlayParticles()
    {
        foreach(var particle in particles.Where(particle => particle))
        {
            particle.Stop();
            particle.Play();
        }
    }
}