using System;
using System.IO;
using System.Collections.Generic;
using System.Drawing;
using System.Windows.Forms;

namespace binaryfiles
{

    public class Book
    {
        string author;
        public string Author { get { return author; } }

        string name;
        public string Name { get { return name; } }

        int code;
        public int Code { get { return code; } }

        public Book(string aa, string nn, int cc)
        {
            author = aa;
            name = nn;
            code = cc;
        }
    }

    public class Listing
    {
        string FILE_NAME = "book.data";
        public List<Book> li;

        public Listing()
        {
            li = new List<Book>();

            if (File.Exists(FILE_NAME))
            {
                using (FileStream fs = new FileStream(FILE_NAME, FileMode.Open))
                {
                    BinaryReader br = new BinaryReader(fs);
                    int k = br.ReadInt32();//количество карточек в файле
                    string aa;
                    string nn;
                    int cc;
                    for (int i = 0; i < k; i++)
                    {
                        aa = br.ReadString();
                        nn = br.ReadString();
                        cc = br.ReadInt32();
                        li.Add(new Book(aa, nn, cc));
                    }
                }
            }
        }

        public void Save()
        {
            using (FileStream fs = new FileStream(FILE_NAME, FileMode.Create))
            {
                BinaryWriter bw = new BinaryWriter(fs);
                int k = li.Count;
                bw.Write((int)k);
                for (int i = 0; i < k; i++)
                {
                    bw.Write((string)li[i].Author);
                    bw.Write((string)li[i].Name);
                    bw.Write((int)li[i].Code);
                }
                bw.Close();
                fs.Close();
            }
        }

        public void Search()
        {
            Form dialog = new Form();
            dialog.Size = new Size(300, 350);
            dialog.StartPosition = FormStartPosition.CenterParent;

            Label ll = new Label();
            ll.Location = new Point(10, 10);
            ll.Text = "Введите слово:";
            TextBox tt = new TextBox();
            tt.Location = new Point(10, ll.Top + ll.Height + 5);
            tt.Size = new Size(250, 20);
            Button bbb = new Button();
            bbb.Text = "OK";
            bbb.Location = new Point(120, 250);
            bbb.DialogResult = DialogResult.OK;

            dialog.Controls.Add(ll);
            dialog.Controls.Add(tt);
            dialog.Controls.Add(bbb);

            if (dialog.ShowDialog() == DialogResult.OK)
            {
                string pat;
                pat = tt.Text;

                Console.WriteLine("{0,20} {1,20} {2,20}\n", "Автор:", "Заглавие:", "Шифр: ");
                foreach (Book p in li)
                {
                    string s;
                    s = p.Author + p.Name + p.Code.ToString();
                    if (s.IndexOf(pat) >= 0)
                    {
                        //Console.WriteLine(pat);
                        //Console.WriteLine(s);
                        //Console.WriteLine(s.IndexOf(pat));
                        Console.WriteLine("{0,20} {1,20} {2,20}\n", p.Author, p.Name, p.Code);
                    }
                }
                Console.WriteLine("Итого {0} кн.\n", li.Count);
            }
        }

        public void Print()
        {

            Console.WriteLine("{0,20} {1,20} {2,20}\n", "Автор:", "Заглавие:", "Шифр: ");
            foreach (Book p in li)
            {
                string s;
                s = p.Author + p.Name + p.Code.ToString();
                Console.WriteLine("{0,20} {1,20} {2,20}\n", p.Author, p.Name, p.Code);

            }
            Console.WriteLine("Итого {0} кн.\n", li.Count);
        }

        public void AddBook(string aa, string nn, int cc)
        {
            li.Add(new Book(aa, nn, cc));
        }

        public void Clear()
        {
            li.Clear();
        }
    }

    public class Form1 : Form
    {
        Listing l = new Listing();
        Label la = new Label();
        TextBox tb = new TextBox();
        Label la1 = new Label();
        TextBox tb1 = new TextBox();
        Label la2 = new Label();
        TextBox tb2 = new TextBox();
        Button b0 = new Button();
        Button b1 = new Button();
        Button b2 = new Button();
        Button b3 = new Button();
        Button b4 = new Button();
        Button b5 = new Button();

        Button bb = new Button();
        Button bb1 = new Button();

        public int n = 0;

        public Form1()
        {

            la.Location = new Point(10, 10);
            la.Text = "Автор:";

            tb.Location = new Point(10, la.Top + la.Height + 2);
            tb.Size = new Size(200, 20);

            la1.Location = new Point(10, tb.Top + tb.Height + 10);
            la1.Text = "Заглавие:";

            tb1.Location = new Point(10, la1.Top + la1.Height + 2);
            tb1.Size = new Size(200, 20);

            la2.Location = new Point(10, tb1.Top + tb1.Height + 10);
            la2.Text = "Шифр:";

            tb2.Location = new Point(10, la2.Top + la2.Height + 2);
            tb2.Size = new Size(100, 20);

            b0.Location = new Point(10, 410);
            b0.Text = "Search";
            b0.Click += new EventHandler(b0_Click);

            b1.Location = new Point(b0.Left + b0.Width + 10, 410);
            b1.Text = "Add";
            b1.Click += new EventHandler(b1_Click);

            b2.Location = new Point(b1.Left + b1.Width + 10, 410);
            b2.Text = "Save";
            b2.Click += new EventHandler(b2_Click);


            b3.Location = new Point(b2.Left + b2.Width + 10, 410);
            b3.Text = "Browse";
            b3.Click += new EventHandler(b3_Click);

            b4.Location = new Point(b3.Left + b3.Width + 10, 410);
            b4.Text = "Print";
            b4.Click += new EventHandler(b4_Click);

            b5.Location = new Point(b4.Left + b4.Width + 10, 410);
            b5.Text = "Clear";
            b5.Click += new EventHandler(b5_Click);

            bb.Text = "<";
            bb.Location = new Point(b1.Left + b1.Width + 10, 370);
            bb.Click += new EventHandler(bb_Click);

            bb1.Text = ">";
            bb1.Location = new Point(b2.Left + b2.Width + 10, 370);
            bb1.Click += new EventHandler(bb1_Click);

            this.Size = new Size(550, 500);
            this.StartPosition = FormStartPosition.CenterScreen;
            this.Controls.Add(la);
            this.Controls.Add(tb);
            this.Controls.Add(la1);
            this.Controls.Add(tb1);
            this.Controls.Add(la2);
            this.Controls.Add(tb2);
            this.Controls.Add(b0);
            this.Controls.Add(b1);
            this.Controls.Add(b2);
            this.Controls.Add(b3);
            this.Controls.Add(b4);
            this.Controls.Add(b5);
            this.Controls.Add(bb);
            this.Controls.Add(bb1);

            la.Hide();
            tb.Hide();
            la1.Hide();
            tb1.Hide();
            la2.Hide();
            tb2.Hide();

            bb.Hide();
            bb1.Hide();
        }

        void b0_Click(object sender, EventArgs e)
        {
            bb.Hide();
            bb1.Hide();
            l.Search();
        }
        void b1_Click(object sender, EventArgs e)
        {
            bb.Hide();
            bb1.Hide();

            Form dialog = new Form();
            dialog.Size = new Size(300, 350);
            dialog.StartPosition = FormStartPosition.CenterParent;

            Label l1 = new Label();
            l1.Location = new Point(10, 10);
            l1.Text = "Автор:";
            TextBox t1 = new TextBox();
            t1.Location = new Point(10, l1.Top + l1.Height + 2);
            t1.Size = new Size(200, 20);

            Label l2 = new Label();
            l2.Location = new Point(10, t1.Top + t1.Height + 10);
            l2.Text = "Заглавие:";
            TextBox t2 = new TextBox();
            t2.Location = new Point(10, l2.Top + l2.Height + 2);
            t2.Size = new Size(200, 20);

            Label l3 = new Label();
            l3.Location = new Point(10, t2.Top + t2.Height + 10);
            l3.Text = "Шифр:";
            TextBox t3 = new TextBox();
            t3.Location = new Point(10, l3.Top + l3.Height + 2);
            t3.Size = new Size(100, 20);

            Button b = new Button();
            b.Text = "OK";
            b.Location = new Point(120, 250);
            b.DialogResult = DialogResult.OK;

            dialog.Controls.Add(l1);
            dialog.Controls.Add(t1);
            dialog.Controls.Add(l2);
            dialog.Controls.Add(t2);
            dialog.Controls.Add(l3);
            dialog.Controls.Add(t3);
            dialog.Controls.Add(b);

            if (dialog.ShowDialog() == DialogResult.OK)
            {
                l.AddBook(t1.Text, t2.Text, int.Parse(t3.Text));
            }

        }
        void b2_Click(object sender, EventArgs e)
        {
            bb.Hide();
            bb1.Hide();
            l.Save();
        }

        void b3_Click(object sender, EventArgs e)
        {
            la.Show();
            tb.Show();
            la1.Show();
            tb1.Show();
            la2.Show();
            tb2.Show();

            bb.Show();
            bb1.Show();
            if (l.li.Count > 0)
            {
                tb.Text = l.li[n].Author;
                tb1.Text = l.li[n].Name;
                tb2.Text = (l.li[n].Code).ToString();
            }
            else
            {
                la.Hide();
                tb.Hide();
                la1.Hide();
                tb1.Hide();
                la2.Hide();
                tb2.Hide();

                bb.Hide();
                bb1.Hide();
            }
        }

        void b4_Click(object sender, EventArgs e)
        {
            bb.Hide();
            bb1.Hide();
            l.Print();
        }

        void b5_Click(object sender, EventArgs e)
        {
                l.Clear();

                la.Hide();
                tb.Hide();
                la1.Hide();
                tb1.Hide();
                la2.Hide();
                tb2.Hide();

                bb.Hide();
                bb1.Hide();
        }

        void bb1_Click(object sender, EventArgs e)//>
        {
            if (n < l.li.Count - 1)
            {
                n++;
                tb.Text = l.li[n].Author;
                tb1.Text = l.li[n].Name;
                tb2.Text = (l.li[n].Code).ToString();
            }

        }
        void bb_Click(object sender, EventArgs e)//<
        {
            if (n > 0)
            {
                n--;
                tb.Text = l.li[n].Author;
                tb1.Text = l.li[n].Name;
                tb2.Text = (l.li[n].Code).ToString();
            }
        }
    }

    public class Program
    {
        [STAThread]
        static void Main()
        {
            Form1 f = new Form1();
            Application.Run(f);
            //Listing l = new Listing();
            //l.Print();
            //l.Save();

        }
    }
}