FaggotChatBot

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

namespace TayVeeTwo
{
    class MainClass
    {
        static Random r;

        static String lastInput = "";
        static String lastOutput = "";

        static String currentInput = "";
        static String currentOutput = "";

        static Vocabulary vocabulary;

        static bool inquire = false;

        static void Main(string[] args)
        {

            vocabulary = new Vocabulary();
            r = new Random(123456);

            Console.WriteLine("Hello. Feed me memes XD");

            do
            {

                //First gather input
                currentInput = Console.ReadLine();

                //Before moving on you can check for escape chars
                if (String.IsNullOrWhiteSpace(currentInput)) continue;

                inquire = (r.Next(10) % 2 == 0);

                //Then Evaluate the input
                vocabulary.Evaluate(currentInput);

                //Before moving on you can check for special evaluations
                if (inquire && !String.IsNullOrWhiteSpace(lastInput)) vocabulary.Inquire(lastInput, currentInput);

                //Then respond to the user
                currentOutput = vocabulary.Respond(r).text;

                //Before moving on set last input and output for later use
                lastInput = currentInput;
                lastOutput = currentOutput;

                Console.WriteLine(currentOutput + " XD");

            } while (currentInput != "/quit" && currentInput != "/exit");

            Console.WriteLine("Exiting... Goodbye XD");
            System.Threading.Thread.Sleep(2000);
        }

    }

    class Vocabulary
    {
        List<Entry> entries;

        public Vocabulary(List<Entry> entries)
        {
            this.entries = entries;
        }
        public Vocabulary()
        {
            this.entries = new List<Entry>(50000);
        }

        public Entry Evaluate(String input)
        {
            Entry entry = new Entry(input ,false);
            Boolean exists = entries.Any(e => e.text == input);
            if (exists) entry = entries.Find(e => e.text == input);
            else entries.Add(entry);
            entry.value+=2;

            return entry;
        }

        public void Inquire(String question , String response)
        {
            Entry qentry = Evaluate(question);
            Entry rentry = Evaluate(response);

            if(qentry.responses.All(e => e.text == rentry.text))//Answer already exists, increase its score
            {
                qentry.responses.Find(e => e.text == rentry.text).value+=2;
            }
            else//Create a new answer and add it to the entry
            {
                Entry resp = new Entry(response, true);
                qentry.responses.Add(resp);
            }
        }

        public Entry Respond(Random r)
        {
            Entry response = new Entry("/null",false);
            int i = 0;
            if (entries.Count == 0) return new Entry("Im all out of memes",false);
            do
            {
                i=r.Next(entries.Count);
                if (entries[i].value > 0)
                    response = entries[i];

            } while (response.text=="/null");

            entries[i].value--;
            return response;
        }

        public Entry Answer(ref Entry toAnswer)
        {
            Entry bestResponse = toAnswer.responses[0];
            int id = 0;

            for(int i = 0; i < toAnswer.responses.Count; i++)
            {
                if(bestResponse.value < toAnswer.responses[i].value)
                {
                    bestResponse = toAnswer.responses[i];
                    id = i;
                }
            }

            bestResponse.value--;

            toAnswer.responses[id] = bestResponse;

            return bestResponse;
        }


    }

    class Entry
    {

        public static Entry NOENTRY = new Entry("",true);

        public String text;

        public int value;

        public List<Entry> responses;

        public Entry(String entry, Boolean asResponse)
        {
            this.text = entry;
            value = 0;
            if (asResponse) responses = new List<Entry>(0);
            else responses = new List<Entry>(100);
        }

    }





}