using System;
using System.IO;

/*
 *  TODO
 *  CHECK IF SEARCH IS EMPTY BEFORE SEARCHING SO THE NULL EXCEPTION DOESN'T UNDERLINE MY GREAT CODE
 */
namespace PraceSCSV
{
    internal class Program
    {
        private static void Main(string[] args)
        {
            while (true)
            {
                var search = "";
                var search2 = "";
                Console.WriteLine("Zadej Kategorii");
                Console.WriteLine("1.Znacka");
                Console.WriteLine("2.rok");
                Console.WriteLine("3.model");
                Console.WriteLine("4.znacka i model");
                var fag = Convert.ToInt32(Console.ReadLine());
                if (fag == 4)
                {
                    Console.WriteLine("Kategorie vybrána");
                    Console.WriteLine("Zadej značku");
                    search = Console.ReadLine();
                    Console.WriteLine("Zadej model");
                    search2 = Console.ReadLine();
                }
                else
                {
                    Console.WriteLine("Kategorie vybrána");
                    Console.WriteLine("Co chceš hledat?");
                    search = Console.ReadLine();
                }
                var cars = File.ReadAllLines("car.csv");
                foreach (var car in cars)
                {
                    var columns = SplitCar(car);
                    switch (fag)
                    {
                        case 1:
                            for (var i = 0; i < columns.Length; i++)
                                if (columns[i].ToUpper() == search.ToUpper())
                                    Console.WriteLine("{0,10}|{1,40}|{2,20}|", columns[0], columns[1], columns[4]);
                            break;
                        case 2:
                            if (search.Length < 4)
                            {
                                Console.WriteLine("Chyba, špatný rok");
                                break;
                            }
                            for (var i = 2; i < columns.Length; i++)
                                if (columns[i].Contains(search))
                                    Console.WriteLine("{0,10}|{1,40}|{2,20}|", columns[0], columns[1], columns[4]);
                            break;
                        case 3:
                            for (var i = 1; i < columns.Length; i++)
                                if (columns[i].Contains(search))
                                    Console.WriteLine("{0,10}|{1,40}|{2,20}|", columns[0], columns[1], columns[4]);
                            break;
                        case 4:


                            if (columns[0].Contains(search) && columns[1].Contains(search2))
                            {
                                 Console.WriteLine("{0,10}|{1,40}|{2,20}|", columns[0], columns[1], columns[4]);
                            }



                            break;
                    }
                }
                Console.ReadLine();
            }
        }

        private static string[] SplitCar(string car)
        {
            var cols = new string[12];
            var start = 0;
            for (var i = 0; i < 12; i++)
            {
                var end = car.IndexOf(',', start);
                if (end < 0)

                    end = car.Length;
                var col = car.Substring(start, end - start);
                if (col.StartsWith("\""))
                {
                    end = car.IndexOf('"', start + 1) + 1;
                    col = car.Substring(start, end - start);
                }
                cols[i] = col;
                start = end + 1;
            }
            return cols;
        }
    }
}