using System;
using System.Collections;
using System.Collections.Generic;
using UnityEngine;
namespace BITKit
{
    public class ShowProfiler : MonoBehaviour
    {
        [Header(Constant.Header.Settings)]
        [SubclassSelector, SerializeReference] public References pingAddress;
        [SerializeField] private IntervalUpdate fpsInterval;
        [Header(Constant.Header.Output)]
        [SerializeReference,SubclassSelector] private IProvider fpsOutput;
        [SerializeReference,SubclassSelector] private IProvider pingOutput;
        [SerializeReference,SubclassSelector] private IProvider resolutionOutput;
        [SerializeReference,SubclassSelector] private IProvider frameRateOutput;
        [SerializeReference, SubclassSelector] private INetClient clientPing;
        private readonly DeltaTimer timer = new();
        private Ping ping;
        [Header(Constant.Header.InternalVariables)]
        private int frameRate;

        private void Update()
        {
            timer.Update();
            frameRate = timer;

            resolutionOutput?.Set(Screen.currentResolution.ToString());

            if (fpsInterval.AllowUpdate)
                fpsOutput.Set((string)timer);

            if (clientPing is not null)
            {
                pingOutput.Set(clientPing.Ping.ToString());
            }
            else if (pingOutput is not null)
            {
                switch (ping)
                {
                    case null:
                        ping = new Ping(pingAddress);
                        break;
                    case var x when x.isDone:
                        pingOutput.Set(ping.time.ToString());
                        ping = new Ping(pingAddress);
                        break;
                }
            }

            frameRateOutput?.Set(Application.targetFrameRate is -1 or 0
                ? "Unlimited"
                : Application.targetFrameRate.ToString());
        }

        private void OnDestroy()
        {
            ping?.DestroyPing();
        }
    }
}