using GadgetCore.API;
using GadgetCore.Util;
using GadgetCore.API.ConfigMenu;
using System.Collections;
using System.Reflection;
using UnityEngine;
using UnityEngine.SceneManagement;
using System.Collections.Generic;
using System.Linq;
using System;

namespace MultiplayerPlayerStatus
{
  [Gadget("MultiplayerPlayerStatus", RequiredOnClients: false)]
  public class MultiplayerPlayerStatus : Gadget<MultiplayerPlayerStatus>
  {
    public const string MOD_VERSION = "1.1"; // Set this to the version of your mod.
    public const string CONFIG_VERSION = "1.0"; // Increment this whenever you change your mod's config file.
    public const int PROTOCOL_VERSION = 0;
    private const string RPC_NAME = "MPPSUpdate";

    public override IGadgetConfigMenu GetConfigMenu() { return null; }

    public override string GetModDescription()
    {
      return "A mod that displays the player status of other players in multiplayer.";
    }

    protected override void Initialize()
    {
      Logger.Log("Multiplayer Player Status v" + Info.Mod.Version);
      Core.logger = Logger;
      SceneManager.sceneLoaded += OnSceneLoaded;

      GadgetCoreAPI.RegisterCustomRPC(RPC_NAME, (e) =>
      {
        int protocolVersion = (int)e[0];
        var name = (string)e[1];
        var mpps = MPPStatus.FirstOrDefault((o) => o.Name == name);
        if (mpps == null)
        {
          mpps = new MPPStatus();
          mpps.Name = name;
          MPPStatus.Add(mpps);
        }
        mpps.MaxHP = BitConverter.ToDouble((byte[])e[2], 0);
        mpps.HP = BitConverter.ToDouble((byte[])e[3], 0);
      });
    }

    internal void OnSceneLoaded(Scene scene, LoadSceneMode mode)
    {
      if (scene.buildIndex == 1)
      {
        InstanceTracker.GameScript.StartCoroutine(Run());
      }
    }

    private static List<MPPStatus> MPPStatus = new List<MPPStatus>();

    public static Texture2D TexFrame;
    public static Texture2D TexFrameTeleport;
    public static Texture2D TexFrameDead;
    public static Texture2D TexHP;

    public IEnumerator Run()
    {
      while (!Network.isClient && !Network.isServer)
        yield return new WaitForSeconds(1f);
      TexFrame = GadgetCoreAPI.LoadTexture2D("frame.png");
      TexFrameTeleport = GadgetCoreAPI.LoadTexture2D("frame_teleport.png");
      TexFrameDead = GadgetCoreAPI.LoadTexture2D("frame_dead.png");
      TexHP = GadgetCoreAPI.LoadTexture2D("hp.png");
      var inv = GameObject.Find("Main Camera").transform.FindChild("inventoryBar").gameObject;
      var container = new GameObject("mpStatus");
      container.transform.SetParent(inv.transform);
      container.transform.localEulerAngles = new Vector3(0, 0, 0);
      container.transform.localScale = new Vector3(0.125f, 0.125f, 1);
      var re = ((float)Screen.width) / Screen.height;
      Core.logger.Log("UI scale racio: " + re);
      if (re >= 1.699)
        container.transform.localPosition = new Vector3(-0.8f, -0.5f, 0);
      else if (re >= 1.599)
        container.transform.localPosition = new Vector3(-0.75f, -0.5f, 0);
      else if (re >= 1.4)
        container.transform.localPosition = new Vector3(-0.7f, -0.5f, 0);
      else
        container.transform.localPosition = new Vector3(-0.6f, -0.5f, 0);
      var image = GameObject.Instantiate<GameObject>(inv.transform.FindChild("barHP").gameObject);
      image.transform.SetParent(container.transform);
      image.transform.localEulerAngles = new Vector3(0, 0, 0);
      image.transform.localScale = new Vector3(1, 1, 1);
      image.transform.localPosition = new Vector3(0, 0, 0);
      Renderer rendererProj = image.GetComponentInChildren<Renderer>();
      rendererProj.material = new Material(Shader.Find("Unlit/Transparent"))
      {
        mainTexture = TexFrame
      };
      container.SetActive(true);
      var layers = new GameObject[6];
      for (int i = 0; i < layers.Length; i++)
      {
        var o = GameObject.Instantiate<GameObject>(image);
        o.SetActive(true);
        layers[i] = o;
      }
      for (int i = 0; i < layers.Length; i++)
      {
        layers[i].transform.SetParent(image.transform);
        layers[i].transform.localEulerAngles = new Vector3(0, 0, 0);
        layers[i].transform.localScale = new Vector3(1, 1, 1);
        layers[i].transform.localPosition = new Vector3(-(6 / 16f) + (i == 0 ? (7 / 16f) : 0), 0, 0.01f * i + 0.1f);
      }
      image.SetActive(false);
      while (true)
      {
        GadgetCoreAPI.CallCustomRPC(RPC_NAME, RPCMode.All, new object[] {
          PROTOCOL_VERSION,
          GadgetCoreAPI.GetPlayerName(),
          BitConverter.GetBytes((double)GameScript.maxhp),
          BitConverter.GetBytes((double)GameScript.hp)
        });

        PlayerScript[] players = (PlayerScript[])GameObject.FindObjectsOfType(typeof(PlayerScript));

        while (container.transform.childCount - 1 > players.Length)
        {
          GameObject.DestroyImmediate(container.transform.GetChild(1).gameObject);
        }
        while (container.transform.childCount - 1 < players.Length)
        {
          var o = GameObject.Instantiate<GameObject>(image);
          o.transform.SetParent(container.transform);
          o.transform.localEulerAngles = new Vector3(0, 0, 0);
          o.transform.localScale = new Vector3(1, 1, 1);
          o.transform.localPosition = new Vector3(0, 0, 0);
          o.SetActive(true);
        }

        for (int i = 0; i < players.Length; i++)
        {
          var player = players[i];
          double maxHP = 1;
          double hp = 0;
          var name = GadgetNetwork.GetNameByNetworkPlayer(player.gameObject.GetComponent<NetworkView>().owner);

          var mpps = MPPStatus.FirstOrDefault((o) => o.Name == name);
          if (mpps != null)
          {
            maxHP = mpps.MaxHP;
            hp = mpps.HP;
          }
          else if (string.IsNullOrEmpty(name))
          {
            name = GadgetCoreAPI.GetPlayerName();
            maxHP = GameScript.maxhp;
            hp = GameScript.hp;
          }

          var app = player.gameObject.transform.GetChild(0).GetComponent<PlayerAppearance>();
          var img = container.transform.GetChild(i + 1);
          img.transform.localPosition = new Vector3(0, 2 * i, 0);
          img.GetComponentInChildren<Renderer>().material = new Material(Shader.Find("Unlit/Transparent"))
          {
            mainTexture = !player.e.activeSelf ? TexFrameTeleport : app.reviveObj.activeSelf ? TexFrameDead : TexFrame
          };
          img.GetChild(0).GetComponent<Renderer>().material = new Material(Shader.Find("Unlit/Transparent"))
          {
            mainTexture = app.arm1Obj.GetComponent<Renderer>().material.mainTexture
          };
          img.GetChild(1).GetComponent<Renderer>().material = new Material(Shader.Find("Unlit/Transparent"))
          {
            mainTexture = app.bodyObj.GetComponent<Renderer>().material.mainTexture
          };
          img.GetChild(2).GetComponent<Renderer>().material = new Material(Shader.Find("Unlit/Transparent"))
          {
            mainTexture = app.headObj.GetComponent<Renderer>().material.mainTexture
          };
          img.GetChild(3).GetComponent<Renderer>().material = new Material(Shader.Find("Unlit/Transparent"))
          {
            mainTexture = app.helmObj.GetComponent<Renderer>().material.mainTexture
          };
          img.GetChild(4).GetComponent<Renderer>().material = new Material(Shader.Find("Unlit/Transparent"))
          {
            mainTexture = app.arm2Obj.GetComponent<Renderer>().material.mainTexture
          };
          img.GetChild(5).GetComponent<Renderer>().material = new Material(Shader.Find("Unlit/Transparent"))
          {
            mainTexture = TexHP
          };
          float hpW = (18 / 32f) * (float)(hp / maxHP);
          img.GetChild(5).localScale = new Vector3(hpW, 1 / 16f, 1);
          img.GetChild(5).localPosition = new Vector3(-(6 / 16f) - (18 / 16f) / 2 + hpW, (8 / 16f), 0.01f * 5 + 0.1f);
        }
        yield return new WaitForSeconds(1f);
      }
      yield break;
    }
  }
}