using Assets.Scripts.Multiplayer;
using Steamworks.ServerList;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Linq;
using Unity.Netcode;
using Unity.Netcode.Transports.UTP;
using UnityEngine;
using UnityEngine.SceneManagement;
using static UnityEditor.Experimental.GraphView.GraphView;

public class NetworkedGameSetup : NetworkBehaviour
{
    [SerializeField] private GameObject PlayerPrefab;

    private void Awake()
    {
        if (NetworkManager.Singleton == null || NetworkManager.Singleton.SceneManager == null) return;

        DontDestroyOnLoad(this);
        NetworkManager.Singleton.SceneManager.OnLoadEventCompleted += SceneLoaded;
    }

    private void SceneLoaded(string sceneName, LoadSceneMode loadSceneMode, List<ulong> clientsCompleted, List<ulong> clientsTimedOut)
    {
        if (!sceneName.ToLower().Contains("game")) return;

        NetworkManager.Singleton.SceneManager.OnLoadEventCompleted -= SceneLoaded; // Only run once
        StartSetupProcedure(clientsCompleted);
    }

    private void StartSetupProcedure(List<ulong> playerIds)
    {
        bool isServer = SteamManager.IsServer || LocalManager.IsServer;

        GameObject[] players;
        if (isServer)
            players = SpawnPlayers(playerIds);
        else
            players = GetPlayers(playerIds);

        StartCoroutine(LateSetupProcedue(players));
    }

    private IEnumerator LateSetupProcedue(GameObject[] players)
    {
        yield return new WaitForSecondsRealtime(0.01f);

        InitRope(players);

        InitUpgrader(players);

        InitBlood(players);

        InitSpawner(players);
    }

    private GameObject[] GetPlayers(List<ulong> playerIds)
    {
        GameObject[] players = NetworkManager.SpawnManager.SpawnedObjects.Where(x => playerIds.Contains(x.Value.NetworkObjectId)).Select(x => x.Value.gameObject).ToArray();

        return players;
    }

    private GameObject[] SpawnPlayers(List<ulong> playerIds)
    {
        GameObject[] players = new GameObject[playerIds.Count];

        for (int i = 0; i < playerIds.Count; i++)
        {
            GameObject player = Instantiate(PlayerPrefab, Vector2.up * 3, Quaternion.identity);
            player.GetComponent<NetworkObject>().SpawnAsPlayerObject(playerIds[i], true);
            players[i] = player;
        }

        return players;
    }

    private void InitRope(GameObject[] players)
    {
        if (players.Length == 1)
        {
            RopeSimulator.instance.BuildRope(players[0].GetComponent<RopeJoint>(), players[0].GetComponent<RopeJoint>());
        }
        else // 2 players
        {
            RopeSimulator.instance.BuildRope(players[0].GetComponent<RopeJoint>(), players[1].GetComponent<RopeJoint>());
        }
    }

    private void InitUpgrader(GameObject[] players)
    {
        return; // fuck this upgrade system

        Upgrader upgradeSystem = Upgrader.instance;

        if (players.Length == 1)
        {
            upgradeSystem.player1 = players[0];
            upgradeSystem.player2 = players[0];
        }
        else // 2 players
        {
            upgradeSystem.player1 = players[0];
            upgradeSystem.player2 = players[1];
        }
    }

    private void InitBlood(GameObject[] players)
    {
        BloodComputeShader bloodScript = BloodComputeShader.Instance;

        if (players.Length == 1)
        {
            bloodScript.mop1 = players[0].GetComponent<Mop>();
            bloodScript.mop2 = players[0].GetComponent<Mop>();
        }
        else // 2 players
        {
            bloodScript.mop1 = players[0].GetComponent<Mop>();
            bloodScript.mop2 = players[1].GetComponent<Mop>();
        }

    }

    private void InitSpawner(GameObject[] players)
    {
        EnemySpawner spawner = EnemySpawner.instance;

        spawner.players = players;
    }
}