using System;
using System.Collections.Generic;
using System.Linq;
using CP.Cache;
using CP.Common;
using CP.Model;

namespace CP.Business
{
    /// <summary>
    /// 海南4+1
    /// </summary>
    public class Tchn41
    {
        /// <summary>
        /// 缓存
        /// </summary>
        static WMCache cache = WMCache.GetCacheService();

        #region 所有 海南4+1数据
        /// <summary>
        /// 所有 海南4+1数据
        /// </summary>
        /// <returns></returns>
        public static List<Tchn41Info> GetTchn41List()
        {
            string key = string.Format(CacheKeys.TCHN41_DATALIST);
            List<Tchn41Info> list = cache.GetObject<List<Tchn41Info>>(key) as List<Tchn41Info>;
            if (list == null)
            {
                list = Tchn41Data.GetTchn41List();
                cache.AddObject(key, list, (int)CacheTime.Data);
            }
            return list;
        }

        /// <summary>
        /// 数据筛选
        /// </summary>
        /// <param name="pagesize">最近n条</param>
        /// <param name="year">某年</param>
        /// <param name="sqi">开始期</param>
        /// <param name="eqi">结束期</param>
        /// <param name="week">星期n(最近120期)</param>
        /// <param name="ds">单双期.1=单;2=双(最近120期)</param>
        /// <returns></returns>
        public static List<Tchn41Info> GetTchn41List(ref List<Tchn41Info> list, int pagesize, int year, int sqi, int eqi, int week = 0, int ds = 0)
        {
            List<Tchn41Info> rlist = new List<Tchn41Info>();
            if (list == null || list.Count == 0)
                return rlist;
            int size = list.Count;
            if (pagesize > 0)
            {
                for (int i = (size - pagesize); i < size; i++)
                {
                    rlist.Add(list[i]);
                }
                return rlist;
            }
            if (year > 0)
            {
                rlist.Clear();
                for (int i = 0; i < size; i++)
                {
                    if (TypeConverter.StrToInt(list[i].qi.ToString().Substring(0, 4), 0) == year)
                        rlist.Add(list[i]);
                }
                return rlist;
            }

            if (week > 0)
            {
                rlist.Clear();
                List<Tchn41Info> temp = new List<Tchn41Info>();
                for (int i = 0; i < size; i++)
                {
                    if (list[i].week == week)
                        temp.Add(list[i]);
                }
                for (int i = (temp.Count - 120); i < temp.Count; i++)
                {
                    rlist.Add(temp[i]);
                }
                return rlist;
            }

            if (ds > 0)
            {
                rlist.Clear();
                List<Tchn41Info> temp = new List<Tchn41Info>();
                for (int i = 0; i < size; i++)
                {
                    if (ds == 1)
                    {
                        if (list[i].qi % 2 != 0)
                            temp.Add(list[i]);
                    }
                    else if (ds == 2)
                    {
                        if (list[i].qi % 2 == 0)
                            temp.Add(list[i]);
                    }
                }
                for (int i = (temp.Count - 120); i < temp.Count; i++)
                {
                    rlist.Add(temp[i]);
                }
                return rlist;
            }

            if (sqi > 0 && eqi > 0)
            {
                rlist.Clear();
                int srank = GetTchn41Info(ref list, sqi).rank;
                int erank = GetTchn41Info(ref list, eqi).rank;
                if (erank != 0 && srank != 0 && erank > srank)
                {
                    for (int i = srank - 1; i < erank && i < size; i++)
                    {
                        rlist.Add(list[i]);
                    }
                }
                return rlist;
            }

            ///无参数条件时，返回所有数据
            if (pagesize == 0 && year == 0 && sqi == 0 && eqi == 0 && week == 0)
                return list;

            return rlist;
        }
        
        /// <summary>
        /// 根据当前出号和排名，查询出上一次出此号时的数据
        /// 主要用在算遗漏时
        /// </summary>
        /// <param name="val">值</param>
        /// <param name="rank">当前排名</param>
        /// <param name="type">类型 0=百位号;1=十位号;2=个位号;3=组选</param>
        /// <returns></returns>
        public static Tchn41Info GetLastTchn41Info(ref List<Tchn41Info> list, int val, int rank, int type)
        {
            Tchn41Info info = new Tchn41Info();

            int size = list.Count;


            ///升序的情况
            ///未实现走势图倒序的情况..
            for (int i = rank - 2; i >= 0; i--)
            {
                if (type == 0)
                {
                    if (list[i].n1 == val)
                    {
                        info = list[i];
                        return info;
                    }
                }
                if (type == 1)
                {
                    if (list[i].n2 == val)
                    {
                        info = list[i];
                        return info;
                    }
                }
                if (type == 2)
                {
                    if (list[i].n3 == val)
                    {
                        info = list[i];
                        return info;
                    }
                }
                if (type == 4)
                {
                    if (list[i].n4 == val)
                    {
                        info = list[i];
                        return info;
                    }
                }
                if (type == 5)
                {
                    if (list[i].n5 == val)
                    {
                        info = list[i];
                        return info;
                    }
                }
                if (type == 6)
                {
                    int n = new List<int> { list[i].n1, list[i].n2, list[i].n3, list[i].n4, list[i].n5 }.Max();
                    if (n == val)
                    {
                        info = list[i];
                        return info;
                    }
                }
                if (type == 7)
                {
                    int n = new List<int> { list[i].n1, list[i].n2, list[i].n3, list[i].n4, list[i].n5 }.Min();
                    if (n == val)
                    {
                        info = list[i];
                        return info;
                    }
                }
                if (type == 3)
                {
                    if (list[i].n1 == val || list[i].n2 == val || list[i].n3 == val)
                    {
                        info = list[i];
                        return info;
                    }
                }

            }
            return info;
        }

        /// <summary>
        /// 根据期数获取期一期的数据...
        /// </summary>
        /// <param name="qi"></param>
        /// <returns></returns>
        public static Tchn41Info GetTchn41Info(ref List<Tchn41Info> list, int qi)
        {
            Tchn41Info info = new Tchn41Info();
            int size = list.Count;
            for (int i = 0; i < size; i++)
            {
                if (list[i].qi == qi)
                {
                    info = list[i];
                    break;
                }
            }
            return info;
        }

        #endregion


        /// <summary>
        /// 上一次海南41和值=val的数据
        /// </summary>
        /// <param name="val"></param>
        /// <param name="rank"></param>
        /// <returns></returns>
        public static Tchn41Info GetLastHzTchn41Info(ref List<Tchn41Info> list, int val, int rank)
        {
            Tchn41Info info = new Tchn41Info();

            int size = list.Count;
            for (int i = rank - 2; i >= 0; i--)
            {
                if (val < 12 && list[i].hz < 12)
                {
                    info = list[i];
                    return info;
                }
                if (val > 33 && list[i].hz > 33)
                {
                    info = list[i];
                    return info;
                }
                if (list[i].hz == val)
                {
                    info = list[i];
                    return info;
                }
            }
            return info;
        }


        /// <summary>
        /// 上一次和尾=val的数据
        /// </summary>
        /// <param name="val"></param>
        /// <param name="rank"></param>
        /// <returns></returns>
        public static Tchn41Info GetLastHwTchn41Info(ref List<Tchn41Info> list, int val, int rank)
        {
            Tchn41Info info = new Tchn41Info();

            int size = list.Count;
            for (int i = rank - 2; i >= 0; i--)
            {
                if (ZstUtils.GetHw(list[i].hz) == val)
                {
                    info = list[i];
                    return info;
                }
            }
            return info;
        }

        /// <summary>
        /// 根据当前排名，取出上一个排名，即上一期的数据.
        /// </summary>
        /// <param name="rank"></param>
        /// <returns></returns>
        public static Tchn41Info GetLastQiTchn41Info(ref List<Tchn41Info> list, int rank)
        {
            Tchn41Info info = new Tchn41Info();
            int size = list.Count;
            for (int i = rank - 2; i >= 0; i--)
            {
                if (list[i].rank == rank - 1)
                {
                    info = list[i];
                    return info;
                }
            }
            return info;
        }

        /// <summary>
        /// 上一次和值奇偶
        /// </summary>
        /// <param name="xt"></param>
        /// <param name="rank"></param>
        /// <returns></returns>
        public static Tchn41Info GetLastHzJoTchn41Info(ref List<Tchn41Info> list, int xt, int rank)
        {
            Tchn41Info info = new Tchn41Info();
            int size = list.Count;
            for (int i = rank - 2; i >= 0; i--)
            {
                if (xt == 0)
                {
                    if (list[i].hz % 2 == 0)
                    {
                        info = list[i];
                        return info;
                    }
                }

                if (xt == 1)
                {
                    if (list[i].hz % 2 != 0)
                    {
                        info = list[i];
                        return info;
                    }
                }
            }
            return info;
        }


        /// <summary>
        /// 上一次和值大小
        /// </summary>
        /// <param name="xt"></param>
        /// <param name="rank"></param>
        /// <returns></returns>
        public static Tchn41Info GetLastHzDxTchn41Info(ref List<Tchn41Info> list, int xt, int rank)
        {
            Tchn41Info info = new Tchn41Info();
            int size = list.Count;
            for (int i = rank - 2; i >= 0; i--)
            {
                if (xt == 0)
                {
                    if (list[i].hz < 23)
                    {
                        info = list[i];
                        return info;
                    }
                }

                if (xt == 1)
                {
                    if (list[i].hz > 22)
                    {
                        info = list[i];
                        return info;
                    }
                }
            }
            return info;
        }


        /// <summary>
        /// 和值上次012情况
        /// </summary>
        /// <param name="xt"></param>
        /// <param name="rank"></param>
        /// <returns></returns>
        public static Tchn41Info GetLastHz012Tchn41Info(ref List<Tchn41Info> list, int xt, int rank)
        {
            Tchn41Info info = new Tchn41Info();
            int size = list.Count;
            for (int i = rank - 2; i >= 0; i--)
            {
                if (xt == 0)
                {
                    if (list[i].hz % 3 == 0)
                    {
                        info = list[i];
                        return info;
                    }
                }

                if (xt == 1)
                {
                    if (list[i].hz % 3 == 1)
                    {
                        info = list[i];
                        return info;
                    }
                }

                if (xt == 2)
                {
                    if (list[i].hz % 3 == 2)
                    {
                        info = list[i];
                        return info;
                    }
                }
            }
            return info;
        }


        /// <summary>
        /// 上一次 hw奇偶
        /// </summary>
        /// <param name="xt"></param>
        /// <param name="rank"></param>
        /// <returns></returns>
        public static Tchn41Info GetLastHwJoTchn41Info(ref List<Tchn41Info> list, int xt, int rank)
        {
            Tchn41Info info = new Tchn41Info();
            int size = list.Count;
            for (int i = rank - 2; i >= 0; i--)
            {
                if (xt == 0)
                {
                    if (ZstUtils.GetHw(list[i].hz) % 2 == 0)
                    {
                        info = list[i];
                        return info;
                    }
                }

                if (xt == 1)
                {
                    if (ZstUtils.GetHw(list[i].hz) % 2 != 0)
                    {
                        info = list[i];
                        return info;
                    }
                }
            }
            return info;
        }


        /// <summary>
        /// 上一次hn4+1大小
        /// </summary>
        /// <param name="xt"></param>
        /// <param name="rank"></param>
        /// <returns></returns>
        public static Tchn41Info GetLastHwDxTchn41Info(ref List<Tchn41Info> list, int xt, int rank)
        {
            Tchn41Info info = new Tchn41Info();
            int size = list.Count;
            for (int i = rank - 2; i >= 0; i--)
            {
                if (xt == 0)
                {
                    if (ZstUtils.GetHw(list[i].hz) < 5)
                    {
                        info = list[i];
                        return info;
                    }
                }

                if (xt == 1)
                {
                    if (ZstUtils.GetHw(list[i].hz) > 4)
                    {
                        info = list[i];
                        return info;
                    }
                }
            }
            return info;
        }



        /// <summary>
        /// hn4+1 上次012
        /// </summary>
        /// <param name="xt"></param>
        /// <param name="rank"></param>
        /// <returns></returns>
        public static Tchn41Info GetLastHw012Tchn41Info(ref List<Tchn41Info> list, int xt, int rank)
        {
            Tchn41Info info = new Tchn41Info();
            int size = list.Count;
            for (int i = rank - 2; i >= 0; i--)
            {
                if (xt == 0)
                {
                    if (ZstUtils.GetHw(list[i].hz) == 0)
                    {
                        info = list[i];
                        return info;
                    }
                }

                if (xt == 1)
                {
                    if (ZstUtils.GetHw(list[i].hz) == 1)
                    {
                        info = list[i];
                        return info;
                    }
                }

                if (xt == 2)
                {
                    if (ZstUtils.GetHw(list[i].hz) == 2)
                    {
                        info = list[i];
                        return info;
                    }
                }
            }
            return info;
        }



    }
}