Chattbot

using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Forms;
using System.Data.SqlClient;

namespace WindowsFormsApp1
{
    public partial class Form1 : Form
    {

        public Form1()
        {
            InitializeComponent();
            listBox1.Items.Add(string.Join(Environment.NewLine, "BakaBot: Oh no, you are back again" ));
        }

        private void pictureBox1_Click(object sender, EventArgs e)
        {

        }

        private void button1_Click(object sender, EventArgs e)
        {
            string insertText = textBox2.Text;
            if (textBox2.Text != null)
            {
                listBox1.Items.Add(string.Join(Environment.NewLine, "User: " + insertText));
            }

            string inputCAPS = insertText.ToLower();
            List<string> outputs = letaSvar(inputCAPS);
            foreach (string output in outputs)
            {
                listBox1.Items.Add(string.Join(Environment.NewLine, "BakaBot: " + output));
            }
            textBox2.Text = null;

            string input = textBox2.Text;

            try

            {

                String str = "server=localhost;database=chattbott;UID=root;password=";

                String query = "select * from chattbott";

                SqlConnection con = new SqlConnection(str);

                SqlCommand cmd = new SqlCommand(query, con);

                con.Open();

                DataSet ds = new DataSet();

                MessageBox.Show("connect with sql server");

                con.Close();

            }

            catch (Exception es)

            {

                MessageBox.Show(es.Message);



            }

        }

        Keywords[] Nyckelord = new Keywords[] {
                new Keywords("hello", new string[] {   }),
                new Keywords("how", new string[] { "how are", "whats up", "hows it", "what up" }),
                new Keywords("who", new string[] { "who", "what", "are you" }),
                new Keywords("sorry", new string[] {"my bad", "pardon", "excuse", "sorry"})
        };

        public List<string> brytnerFråga(string Fråga)
        {
            //string[] searchwords = new string[] {"Hi" }
            List<string> Words = new List<string>();

            foreach (Keywords item in Nyckelord)
            {
                string answer = item.Search(Fråga);
                if (answer != "")
                {
                    Words.Add(answer);
                }
            }

            if (Words.Count != 0)
            {
                return Words;
            }
            return null;
        }
        public List<string> letaSvar(string Fråga)
        {
            List<string> Delsvar = new List<string>();
            List<string> Frågor = brytnerFråga(Fråga);
            foreach (Record item in Databas)
            {
                if (Frågor == null)
                {
                    break;
                }
                foreach (string Delfråga in Frågor)
                {

                    if (item.GetInput == Delfråga)
                    {
                        Delsvar.Add(item.GetAOutput);
                    }
                }

            }
            if (Delsvar.Count != 0)
            {

                return Delsvar;
            }
            Delsvar.Add("Are you too dumb to speak properly?");
            return Delsvar;
        }


        Record[] Databas = new Record[] {
                 new Record("hello",new string[]{"Why should I greet you? Idiot","Have I allowed you to speak with me? The answer is no","... Oh you were standing there. Please go away" } ),
                 new Record("how",new string[]{"Why would I care to explain anything for an idiot", "You are too dumb to get my knowledge", "Stop asking me dumb questions"} ),
                 new Record("who",new string[]{"Do I look like an encyklopedia?", "A person, idiot", "And why would I answer that dumb question?" } ),
                 new Record("sorry",new string[]{"Atleast you can admit to being an idiot", "Apology not accepted", "Now you know your rightful position"})
        };

        struct Keywords
        {
            string type;
            string[] synonyms;
            public string Search(string input)
            {
                string[] Frågedelar = input.Split(' ');
                string formerpart = "";
                foreach (string item in synonyms)
                {
                    string[] items = item.Split(' ');
                    foreach (string part in Frågedelar)
                    {
                        if (part == item)
                        {
                            return type;
                        }
                        else
                        {
                            if (items.Length != 1)
                                if (formerpart == items[0] && part == items[1])
                                {
                                    return type;
                                }

                        }
                        formerpart = part;
                    }

                }

                return "";
            }
            public Keywords(string type, string[] synonyms)
            {
                this.type = type;
                this.synonyms = synonyms;
            }
        }


        struct Record
        {
            static string formerkeyword = "";
            static string formeranswer = "";

            string input;
            string[] outputs;
            public string GetInput
            {
                get
                {
                    formerkeyword = input;
                    return input;
                }
            }
            public string GetAOutput
            {
                get
                {
                    string output = outputs[RandAnswer.Next(outputs.Length)];
                    if (output == formeranswer)
                    {
                        output = outputs[RandAnswer.Next(outputs.Length)];
                    }
                    formeranswer = output;
                    return output;
                }
            }
            public Random RandAnswer;

            public Record(string input, string[] outputs)
            {
                RandAnswer = new Random();
                this.input = input;
                this.outputs = outputs;
            }
        }

        private void textBox1_TextChanged(object sender, EventArgs e)
        {

        }

        private void textBox1_TextChanged_1(object sender, EventArgs e)
        {

        }

        private void listBox1_SelectedIndexChanged(object sender, EventArgs e)
        {

        }

        private void textBox2_TextChanged(object sender, EventArgs e)
        {

        }

        private void button2_Click(object sender, EventArgs e)
        {
            listBox1.Items.Clear();
            listBox1.Items.Add(string.Join(Environment.NewLine, "BakaBot: Oh no, you are back again"));
        }

        private void Form1_Load(object sender, EventArgs e)
        {

        }

        private void tableLayoutPanel1_Paint(object sender, PaintEventArgs e)
        {

        }
    }
}