// ***********************************************************************
// Assembly         : Game
// Author           : Kimch
// Created          : 2021-07-03
// Description      :
// Last Modified By : 
// Last Modified On : 
// ***********************************************************************
// <copyright file= "RandomProxy" company="Kunpo"></copyright>
// <summary></summary>
// ***********************************************************************

using System.Collections;
using System.Collections.Generic;
using CodeStage.AntiCheat.ObscuredTypes;
using UnityEngine;

namespace G
{
	/// <summary>
	///	随机模块
	/// </summary>
	public class RandomProxy : F.GameProxy
	{
		class RandomInfo
		{
			public readonly ItemRandom item;

			private ObscuredInt _curCount;
			private ObscuredInt _maxCount;

			/// <summary>
			/// 
			/// </summary>
			public int curCount
			{
				get { return _curCount; }
				set { _curCount = value; }
			}

			/// <summary>
			/// 
			/// </summary>
			public int maxCount => _maxCount;

			public RandomInfo(ItemRandom randomItem)
			{
				item = randomItem;
				_curCount = item.initCount;
				_maxCount = item.maxCount;
			}

			public bool GetRandomResult()
			{
				bool result = false;

				int tmpCurCount = this.curCount;
				int tmpMaxCount = this.maxCount;

				float rate = (item.rate + item.addRate * tmpCurCount) * 0.001f;
				tmpCurCount++;
				if (tmpCurCount >= tmpMaxCount)
				{
					result = true;
					tmpCurCount = 0;
				}
				else
				{
					result = Random.value < rate;
				}

				if (result && item.type == 1)
				{
					tmpCurCount = 0;
				}

				this.curCount = tmpCurCount;
				return result;
			}
		}

		#region Field

		public const int RACAST_RATE_ID = 1000;

		private readonly Dictionary<int, RandomInfo> _randomInfos = new Dictionary<int, RandomInfo>();

		#endregion

		#region Method

		public bool GetRandom(int id)
		{
			if (_randomInfos.TryGetValue(id, out var randomInfo))
			{
				var result = randomInfo.GetRandomResult();
				SaveRandom();
				return result;
			}
			return false;
		}

		public bool GetRandomNotSave(int id)
		{
			if (_randomInfos.TryGetValue(id, out var randomInfo))
			{
				var result = randomInfo.GetRandomResult();
				return result;
			}
			return false;
		}

		public Vector2Int GetRandomInfo(int id)
		{
			_randomInfos.TryGetValue(id, out var randomInfo);
			return new Vector2Int(randomInfo.curCount, randomInfo.maxCount);
		}

		private const string ARCHIVE_KEY_V1 = "rnd_v1";
		private void SaveRandom()
		{
			var dataList = ArchiveProxy.Instance.GetIntList(ARCHIVE_KEY_V1);
			if (dataList != null)
			{
				dataList.Clear();
				foreach (var item in _randomInfos)
				{
					int rndId = item.Key;
					int rndCount = item.Value.curCount;
					var status = GlobalUtils.CombineNumber_16_16(rndId, rndCount);
					dataList.Add(status);
				}
				ArchiveProxy.Instance.SetIntList(ARCHIVE_KEY_V1, dataList);
			}
		}

		private void LoadRandom()
		{
			var dataList = ArchiveProxy.Instance.GetIntList(ARCHIVE_KEY_V1);
			if (dataList != null && dataList.Count > 0)
			{
				for (int i = 0; i < dataList.Count; i++)
				{
					int status = dataList[i];
					GlobalUtils.SplitNumber_16_16(status, out int rndId, out int rndCount);
					if (_randomInfos.TryGetValue(rndId, out var randomInfo))
					{
						randomInfo.curCount = rndCount;
					}
				}
			}
		}

		#endregion

		#region Unity & Proxy

		public static RandomProxy Instance => GetInstance<RandomProxy>();

		public override void ReadArchive()
		{
			_randomInfos.Clear();
			var randomItems = ItemProxy.Instance.GetStaticItems<ItemRandom>();
			foreach (var item in randomItems)
			{
				_randomInfos.Add(item.id, new RandomInfo(item));
			}
			LoadRandom();
		}

		#endregion
	}
}