using LitJson;
using System.Collections.Generic;

namespace KTGMGemClient
{
    public class GameUtils
    {
        private static int id { get; set; } = 1;

        /// <summary>
        /// 获取一个唯一id
        /// </summary>
        public static int GetId()
        {
            return id++;
        }

        public static int[] GetIntArray(JsonData jsData)
        {
            int[] tmp = new int[jsData.Count];
            for (int i = 0; i < jsData.Count; i++)
            {

                tmp[i] = int.Parse(jsData[i].ToString());
            }
            return tmp;
        }

        public static List<int> GetIntList(JsonData jsData)
        {
            List<int> tmp = new List<int>();
            for (int i = 0; i < jsData.Count; i++)
            {
                tmp.Add(int.Parse(jsData[i].ToString()));
            }
            return tmp;
        }

        public static List<float> GetFloatList(JsonData jsData)
        {
            List<float> tmp = new List<float>();
            for (int i = 0; i < jsData.Count; i++)
            {
                tmp.Add(float.Parse(jsData[i].ToString()));
            }
            return tmp;
        }

        public static string GetString(string s)
        {
            if (string.IsNullOrEmpty(s))
            {
                return "0";
            }
            else
            {
                return s;
            }
        }

        public static List<string> GetStringList(JsonData jsData)
        {
            List<string> tmp = new List<string>();

            for (int i = 0; i < jsData.Count; i++)
            {
                tmp.Add(jsData[i].ToString());
            }
            return tmp;
        }

        public static reward GetReward(JsonData jsData)
        {
            reward rd = new reward();
            string[] strlist = jsData.ToString().Split(':');

            switch (strlist[0])
            {
                case "money":
                    rd.type = Protobuf.CURRENCY.Money;
                    rd.count = int.Parse(strlist[1]);
                    break;
                case "gold":
                    rd.type = Protobuf.CURRENCY.Gold;
                    rd.count = int.Parse(strlist[1]);
                    break;
                case "rmb":
                    rd.type = Protobuf.CURRENCY.Rmb;
                    rd.count = int.Parse(strlist[1]);
                    break;
                case "gem":
                    rd.type = Protobuf.CURRENCY.Gem;
                    rd.id = int.Parse(strlist[1]);
                    rd.count = int.Parse(strlist[2]);
                    break;
                case "box":
                    rd.type = Protobuf.CURRENCY.Box;
                    rd.id = int.Parse(strlist[1]);
                    rd.count = int.Parse(strlist[2]);
                    break;
                case "coin":
                    //rd.type = Protobuf.CURRENCY.Coin;
                    rd.count = int.Parse(strlist[1]);
                    break;
            }

            return rd;
        }

        public static List<reward> GetRewardList(JsonData jsData)
        {
            List<reward> tmp = new List<reward>();

            for (int i = 0; i < jsData.Count; ++i)
            {
                reward rd = GetReward(jsData[i]);
                tmp.Add(rd);
            }

            return tmp;
        }

        /// <summary>
        /// 洗牌算法，费雪耶兹算法（Fisher-Yates）
        /// </summary>
        /// <param name="list"></param>
        /// <typeparam name="T"></typeparam>
        /// <returns></returns>
        public static List<T> Shuffle<T>(List<T> list)
        {
            System.Random rd = new System.Random();

            for (int i = list.Count; i > 0; --i)
            {
                int random = rd.Next(0, i);
                T temp = list[i - 1];
                list[i - 1] = list[random];
                list[random] = temp;
            }

            return list;
        }
    }
}