using System;
using System.Collections;
using System.Collections.Generic;
using System.IO;
using System.Linq;
using System.Text;
using System.Threading.Tasks;

namespace QueueTest
{
    /// <summary>
    /// 结构体
    /// </summary>
    struct Dancer
    {
        public string name;//姓名
        public string sex;//性别

        //设置吗，名字
        public void SetName(string n) {
            name = n;
        }

        //获取名字
        public string  GetName( )
        {
            return name;
        }
        /// <summary>
        /// 重写Dancer的ToString()方法 返回name 
        /// </summary>
        /// <returns></returns>
        public override string ToString()
        {
            return name;
        }
    }

    class DamcerClass {

        /// <summary>
        /// 创建跳舞的派对
        /// </summary>
        /// <param name="male"></param>
        /// <param name="female"></param>
        static void mewDamcer(Queue male,Queue female ) {
            Dancer m, w;
            m = new Dancer();//男
            w = new Dancer();//女

            //如果男队和女队个数都大于0 就出队
            if (male.Count>0&&female.Count>0)
            {
                m.SetName(male.Dequeue().ToString());
                w.SetName(female.Dequeue().ToString());//出队
            }
            //男的多
            else if ((male.Count > 0) &&(female.Count==0))
            {
                Console.WriteLine("Waiting on a female dancer");
            }
            //女的多
            else if ((male.Count == 0) && (female.Count > 0))
            {
                Console.WriteLine("Waiting on a male dancer");
            }
        }
        /// <summary>
        /// 获取队首元素
        /// </summary>
        /// <param name="male"></param>
        /// <param name="female"></param>
        static void headOfLine(Queue male, Queue female) {
            Dancer m, w;
            m = new Dancer();
            w = new Dancer();
            if (male.Count>0)
            {
                m.SetName(male.Peek().ToString());
            }

            if (female.Count>0)
            {
                w.SetName(female.Peek().ToString());
            }

            if (m.name!=""&&w.name!="")
            {
                Console.WriteLine("Next in line are:"+m.name+"\t" +w.name);
            }
            else
            {
                if (m.name != "")
                {
                    Console.WriteLine("Next in line is: "+m.name);
                }
                else
                    Console.WriteLine("Next in line is: " + w.name);

            }
        }

        /// <summary>
        /// 
        /// </summary>
        /// <param name="male"></param>
        /// <param name="female"></param>
        static void startDaning(Queue male, Queue female) {
            Dancer m, w;
            m = new Dancer();
            w = new Dancer();
            Console.WriteLine("Dance partners are:");
            Console.WriteLine();

            for (int i = 0; i <=3; i++)
            {
                m.SetName(male.Dequeue().ToString());
                w.SetName(female.Dequeue().ToString());
                Console.WriteLine(w.name+"\t"+m.name);
            }
        }
        /// <summary>
        /// 读取文档组建队
        /// </summary>
        /// <param name="male"></param>
        /// <param name="female"></param>
        static void formLines(Queue male, Queue female) {
            Dancer d = new Dancer();

            StreamReader inFile;//流读取
            inFile = File.OpenText(@"H:\工作学习unity\CSharpTest\ConsoleApplication1\QueueTest\dancser.dat");
            string line;
            while (inFile.Peek()!=-1)
            {
                line = inFile.ReadLine();//读取一行
                d.sex = line.Substring(0,1);
                d.name = line.Substring(2, line.Length - 2);
                //如果性别为M
                if (d.sex == "M")
                {
                    male.Enqueue(d);//进男队
                }
                else female.Enqueue(d);//否则进女队
            }
        }

        static void Main() {
            Queue males = new Queue();
            Queue females = new Queue();

            formLines(males, females);//获取男女另个队
            startDaning(males, females);//搭档

            if (males.Count>0||females.Count>0)
            {
                headOfLine(males, females);
            }
            mewDamcer(males, females);

            if (males.Count > 0 || females.Count > 0)
            {
                headOfLine(males, females);
            }
            mewDamcer(males, females);


            Console.WriteLine("press enter");
            Console.Read();

        }

    }
}