using HarmonyLib;
using GadgetCore.API;
using UnityEngine;
using System.Collections;
using System.Reflection;
using System.Collections.Generic;

namespace RecipeMenuCore.Patches
{
  [HarmonyPatch(typeof(GameScript))]
  [HarmonyPatch("HoverRecipeSelect")]
  [HarmonyGadget("RecipeMenuCore")]
  public static class Patch_GameScript_HoverRecipeSelect
  {
    [HarmonyPrefix]
    public static bool Prefix(GameScript __instance, int id, int ___craftType, ref int ___curRecipePage, GameObject ___itemexpbar, Item[] ___storage, GameObject[] ___aspectObj, TextMesh ___itemName,
      GameObject ___hoverItem, TextMesh[] ___itemStat, GameObject ___txtStats, TextMesh ___itemDesc, Material ___hoverItemMat2, Material ___hoverItemMat1, GameObject ___hoverDroid,
      TextMesh[] ___txtHoverStat, TextMesh ___txtHoverStatInfo, TextMesh[] ___itemAspect, TextMesh ___itemLevel)
    {
      var item = new Item(GetItemId(id, ___craftType, ___curRecipePage), 1, 0, 0, 0, new int[3], new int[3]);
      var itemInfo = ItemRegistry.GetItem(item.id);

      ___txtHoverStat[0].text = string.Empty;
      ___txtHoverStat[1].text = ___txtHoverStat[0].text;
      ___txtHoverStatInfo.text = string.Empty;
      ___aspectObj[0].SetActive(false);
      ___aspectObj[1].SetActive(false);
      ___aspectObj[2].SetActive(false);
      ___itemAspect[0].text = string.Empty;
      ___itemAspect[1].text = string.Empty;
      ___itemAspect[2].text = string.Empty;
      ___itemLevel.text = string.Empty;

      if (Camera.main.ScreenToWorldPoint(Input.mousePosition).y < MenuScript.player.transform.position.y - 4.5f)
        ___hoverItem.transform.localPosition = new Vector3(5f, 0f, -4.55f);
      else
        ___hoverItem.transform.localPosition = new Vector3(5f, -4f, -4.55f);

      ___hoverDroid.SetActive(false);
      ___itemexpbar.SetActive(false);

      if (item.id > 0)
      {
        ___itemName.text = itemInfo.Name;
        ___itemName.color = Color.white;
        ___itemDesc.text = itemInfo.Desc;

        bool hasStats = false;
        int[] gearBaseStats = ItemRegistry.GetItem(item.id).Stats.GetStatArray();
        for (int i = 0; i < 6; i++)
        {
          if (gearBaseStats[i] > 0)
          {
            ___itemStat[i].text = "+" + gearBaseStats[i];
            hasStats = true;
          }
          else
            ___itemStat[i].text = string.Empty;
        }
        ___txtStats.SetActive(hasStats);
        ___hoverItem.SetActive(true);
        if (hasStats)
          ___hoverItem.GetComponent<Renderer>().material = hoverItem;
        else
          ___hoverItem.GetComponent<Renderer>().material = ___hoverItemMat1;
      }
      else
      {
        ___hoverItem.SetActive(false);
      }
      return false;
    }

    private static Material hoverItem = new Material(Shader.Find("Unlit/Transparent"))
    {
      mainTexture = GadgetCoreAPI.LoadTexture2D("hoverItem.png")
    };

    private static int GetItemId(int index, int craftType, int curRecipePage)
    {
      if (craftType == 0 && curRecipePage >= 6)
      {
        return Core.pageGearForgeInfoList[curRecipePage - 6].GetRecipePageEntries()[index].ItemIdBase;
      }
      else if (craftType == 1 && curRecipePage >= 2)
      {
        return Core.pageAlchemyStationInfoList[curRecipePage - 2].GetRecipePageEntries()[index].ItemIdBase;
      }
      else if (craftType == 2 && curRecipePage >= 6)
      {
        return Core.pageUltimateForgeInfoList[curRecipePage - 6].GetRecipePageEntries()[index].ItemIdBase;
      }
      return 1;
    }
  }
}