using System.Collections.Generic;
using System.Linq;
using System.Text.RegularExpressions;

namespace RebirthUtils.Harmony
{
    internal class LootManagerPatches
    {
        [HarmonyPatch(typeof(LootManager))]
        [HarmonyPatch("LootContainerOpened")]
        public class LootContainerOpened
        {
            private static bool Prefix(LootManager __instance, ref TileEntityLootContainer _tileEntity, int _entityIdThatOpenedIt, FastTags<TagGroup.Global> _containerTags)
            {
                EntityPlayer entityPlayer = (EntityPlayer)GameManager.Instance.World.GetEntity(_entityIdThatOpenedIt);
                if (entityPlayer == null)
                {
                    //Log.Out("LootManager-LootContainerOpened Player == null");
                    return false;
                }

                //Log.Out("LootManager-LootContainerOpened START, _tileEntity.lootListName: " + _tileEntity.lootListName);
                if (GameManager.Instance.World.IsEditor())
                {
                    //Log.Out("LootManager-LootContainerOpened 1");
                    return false;
                }
                if (_tileEntity.bTouched)
                {
                    //Log.Out("LootManager-LootContainerOpened Touched");
                    return false;
                }
                _tileEntity.bTouched = true;
                _tileEntity.worldTimeTouched = GameManager.Instance.World.GetWorldTime();

                LootContainer lootContainer = LootContainer.GetLootContainer(_tileEntity.lootListName);
                if (lootContainer == null)
                    return false;

                string lootList = _tileEntity.lootListName;

                //Log.Out("LootManager-LootContainerOpened lootList: " + lootList);

                if (lootList.ToLower().Contains("randomloot"))
                {
                    //Log.Out("LootManager-LootContainerOpened BEFORE lootList: " + lootList);

                    string subString = lootList.Split('-').Last();

                    //Log.Out("LootManager-LootContainerOpened subString: " + subString);

                    int maxRange = int.Parse(Regex.Match(subString, @"\d+").Value);

                    //Log.Out("LootManager-LootContainerOpened maxRange: " + maxRange);

                    float random = GameManager.Instance.World.GetGameRandom().RandomRange(1, maxRange + 1);

                    //Log.Out("LootManager-LootContainerOpened random: " + random);

                    lootList = lootList.Substring(0, lootList.IndexOf("-")) + random;

                    //Log.Out("LootManager-LootContainerOpened AFTER lootList: " + lootList);
                    lootContainer = LootContainer.GetLootContainer(lootList, true);

                    if (lootContainer == null)
                    {
                        Log.Out("LootManager-LootContainerOpened COULD NOT FIND lootList: " + lootList);
                        return false;
                    }
                }

                bool flag = _tileEntity.IsEmpty();
                _tileEntity.bTouched = true;
                _tileEntity.worldTimeTouched = GameManager.Instance.World.GetWorldTime();
                if (!flag)
                {
                    //Log.Out("LootManager-LootContainerOpened is EMPTY");
                    return false;
                }

                entityPlayer.MinEventContext.TileEntity = _tileEntity;
                entityPlayer.FireEvent(MinEventTypes.onSelfOpenLootContainer, true);
                float containerMod = 0f;
                float containerBonus = 0f;
                if (_tileEntity.EntityId == -1)
                {
                    //Log.Out("LootManager-LootContainerOpened 6");
                    try
                    {
                        BlockLoot blockLoot = _tileEntity.blockValue.Block as BlockLoot;
                        containerMod = blockLoot.LootStageMod;
                        containerBonus = blockLoot.LootStageBonus;
                    }
                    catch (Exception ex)
                    {
                        //Log.Out("LootManager-LootContainerOpened Error while attempting to get BlockLoot");
                        return false;
                    }
                }
                int num = lootContainer.useUnmodifiedLootstage ? entityPlayer.unModifiedGameStage : entityPlayer.GetHighestPartyLootStage(containerMod, containerBonus);

                //Log.Out("LootManager-LootContainerOpened Loot Stage: " + num);

                IList<ItemStack> list = lootContainer.Spawn(__instance.Random, _tileEntity.items.Length, (float)num, 0f, entityPlayer, _containerTags, lootContainer.UniqueItems, lootContainer.IgnoreLootProb);

                //Log.Out("LootManager-LootContainerOpened list.Count: " + list.Count);

                for (int i = 0; i < list.Count; i++)
                {
                    _tileEntity.items[i] = list[i].Clone();
                }
                entityPlayer.FireEvent(MinEventTypes.onSelfLootContainer, true);

                //Log.Out("LootManager-LootContainerOpened END");

                return false;
            }
        }

    }
}