using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using HarmonyLib;
using GameNetcodeStuff;
using System.Reflection;
using System.Reflection.Emit;
using BepInEx.Logging;
using UnityEngine;
using ScarletMansion.GamePatch.Managers;

namespace ScarletMansion.GamePatch {
  public class RoundManagerPatch {

    public static InjectionDictionary scrapInjection = new InjectionDictionary(
      "Scrap",
      typeof(RoundManagerPatch).GetMethod("ModifyScrapCount", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public),
      new CodeInstruction(OpCodes.Ldfld, typeof(RoundManager).GetField("scrapAmountMultiplier"))
    );

    public static InjectionDictionary mapHazardInjection = new InjectionDictionary(
      "Map Hazard",
      typeof(RoundManagerPatch).GetMethod("ModifyMapCount", System.Reflection.BindingFlags.Static | System.Reflection.BindingFlags.Public),
      new CodeInstruction(OpCodes.Callvirt, typeof(AnimationCurve).GetMethod("Evaluate", BindingFlags.Instance | BindingFlags.Public))
    );

    [HarmonyTranspiler]
    [HarmonyPatch(typeof(RoundManager), "SpawnScrapInLevel")]
    public static IEnumerable<CodeInstruction> SpawnScrapInLevelPatch(IEnumerable<CodeInstruction> instructions){
      return TranspilerUtilities.InjectMethod(instructions, scrapInjection, "SpawnScrapInLevel", 1);
    }

    [HarmonyTranspiler]
    [HarmonyPatch(typeof(RoundManager), "SpawnMapObjects")]
    public static IEnumerable<CodeInstruction> SpawnMapObjectsPatch(IEnumerable<CodeInstruction> instructions){
      return TranspilerUtilities.InjectMethod(instructions, mapHazardInjection, "SpawnMapObjects", 1);
    }

    public static float ModifyScrapCount(float count){  
      if (DunGenPatch.Patch.active == false) return count;
      Plugin.logger.LogDebug($"Scrap: {count} -> {count * Plugin.CurrentConfigDungeon.GetLootMultiplier}");
      return count * Plugin.CurrentConfigDungeon.GetLootMultiplier;
    }

    public static float ModifyMapCount(float count){
      if (DunGenPatch.Patch.active == false) return count;
      Plugin.logger.LogDebug($"Map Hazards: {count} -> {count * Plugin.CurrentConfigDungeon.GetMapHazardsMultiplier}");
      return count * Plugin.CurrentConfigDungeon.GetMapHazardsMultiplier;
    }

  }
}