using System;
using System.Collections;
using System.Threading.Tasks;
using Drawing;
using Reset;
using Reset.Units;
using Unity.Netcode;
using UnityEngine;

namespace Reset.Units{
    public class Unit : NetworkBehaviour{
        public virtual void Start(){
            UnitStart();
        }

        public virtual async void UnitStart(){
            try {
                var netWaitResult = await WaitForNetwork();

                if (netWaitResult) {

                }

                // OnlineStart();
                Debug.Log("Done");
            } catch {
                throw;
            }
        }

        public async Task<bool> WaitForNetwork(){
            while (!NetworkManager.Singleton.IsConnectedClient) {
                await Awaitable.NextFrameAsync();
            }

            return (NetworkManager.Singleton.IsConnectedClient);
        }

        public bool UnitIsNetworked(){
            return NetworkManager.Singleton.IsConnectedClient || NetworkManager.Singleton.IsHost;
        }

        public bool UnitIsLocal(){
            if (UnitIsNetworked()) {
                return IsOwner;
            }

            return true;
        }

        protected virtual void Update(){
            UpdateGizmos();

            if (GetComponent<IKillable>() != null) {
                GetComponent<IKillable>().DrawHealthDebug();
            }
        }

        void UpdateGizmos(){
            string onlineStatus = "Not Online";
            Color onlineColor = Color.gray;

            if (UnitIsNetworked() && UnitIsLocal()) {
                onlineStatus = "Online, Owned";
                onlineColor = Color.mediumSeaGreen;
            } else if (UnitIsNetworked() && !IsSpawned) {
                onlineStatus = "Not Spawned";
            } else if (UnitIsNetworked()) {
                onlineStatus = "Online, Not Owned";
                onlineColor = Color.gold;
            }

            Draw.ingame.Label2D(transform.position + Vector3.up * 2.5f, onlineStatus, onlineColor);
        }

        protected override void OnNetworkPostSpawn(){
            // GetComponent<LockOnManager>().AttachCamera(gameObject);
        }
    }
}