c# io labs 04

////////////////////////////////////////////////////////////////
// PGM.cs
//

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

namespace lab04
{
    class PGM
    {
        private String name;
        private int width;
        private int height;
        private int maxPixelValue;
        private List<String> comments;
        private List<List<int>> pixels;

        public PGM()
        {
            this.Name = "";
            this.Width = 0;
            this.Height = 0;
            this.MaxPixelValue = 0;
            this.comments = new List<String>(0);
            this.pixels = new List<List<int>>(0);
        }

        public PGM(String name, int width, int height, int maxPixelValue)
        {
            this.Name = name;
            this.Width = width;
            this.Height = height;
            this.MaxPixelValue = maxPixelValue;
            pixels = new List<List<int>>(0);
            comments = new List<String>(0);
        }

        public void writeToFile(String fileName)
        {
            using (System.IO.StreamWriter outputFile = new StreamWriter(fileName))
            {
                outputFile.WriteLine(this.Name);
                foreach (string comment in comments)
                {
                    outputFile.WriteLine(comment);
                }
                outputFile.WriteLine(this.Width + " " + this.Height);
                outputFile.WriteLine(this.MaxPixelValue);
                foreach (List<int> pixRow in pixels)
                {
                    foreach (int pix in pixRow)
                    {
                        outputFile.Write(pix + "\t");
                    }
                    outputFile.Write(Environment.NewLine);
                }
            }
        }

        public List<String> getInputFromFile(String filePath)
        {
            string line;
            List<String> lines = new List<String>(0);
            System.IO.StreamReader file = new System.IO.StreamReader(filePath);
            while ((line = file.ReadLine()) != null)
            {
                lines.Add(line);
            }
            file.Close();
            return lines;
        }

//        public void generateHorizontalLines(int size, int width)
//        {
//            this.Name = "Horizontal Lines";
//            this.MaxPixelValue = 15;
//            this.Width = size;
//            this.Height = size;
//            bool flag = true;
//            for(int i = 0; i < size; i++)
//            {
//                List<int> pixelRow = new List<int>(0);
//            }
//        }

        public bool isComment(String line)
        {
            if (line[0].Equals('#'))
            {
                this.comments.Add(line);
                return true;
            }
            return false;
        }

        public void parseInput(List<String> lines)
        {
            List<String> pixelStrings = new List<String>(0);
            //String[] podzielone = filePath.Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
            lines.ForEach((line) =>
            {
                if (isComment(line)) { }
                else if (this.Name.Length < 1)
                {
                    this.Name = line;
                }
                else if (this.Height < 1)
                {
                    String[] podzielone = line.Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
                    this.Width = Convert.ToInt32(podzielone[0]);
                    this.Height = Convert.ToInt32(podzielone[1]);
                }
                else if (this.MaxPixelValue < 1)
                {
                    String[] podzielone = line.Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
                    this.MaxPixelValue = Convert.ToInt32(podzielone[0]);
                }
                else
                {
                    pixelStrings.Add(line);
                }
            }
            );
            pixelStrings.ForEach((line) =>
            {
                String[] podzielone = line.Split(new char[] { ' ', '\t' }, StringSplitOptions.RemoveEmptyEntries);
                List<int> pixelRow = new List<int>(0);
                for(int i = 0; i < podzielone.Length; i++)
                {
                    pixelRow.Add(Convert.ToInt32(podzielone[i]));
                }
                pixels.Add(pixelRow);
            });
        }

        public void addComment(String comment)
        {
            this.comments.Add("# " + comment);
        }

        public int Width { get => width; set => width = value; }
        public int Height { get => height; set => height = value; }
        public int MaxPixelValue { get => maxPixelValue; set => maxPixelValue = value; }
        public string Name { get => name; set => name = value; }
        public override string ToString()
        {
            StringBuilder stringBuilder = new StringBuilder();
            for(int i = 0; i<height; i++)
            {
                for(int j = 0; j<width; j++)
                {
                    stringBuilder.Append(pixels[i][j]);
                    stringBuilder.Append("\t");
                }
                stringBuilder.Append(Environment.NewLine);
            }
            stringBuilder.Append("Comments: ");
            foreach(string comment in comments)
            {

                stringBuilder.Append(Environment.NewLine);
                stringBuilder.Append(comment);
            }
            return stringBuilder.ToString();
        }
    }
}

////////////////////////////////////////////////////////////
// lab04 program class
//

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

namespace lab04
{
    class Program
    {
        static void Main(string[] args)
        {
            PGM pgm = new PGM();
            pgm.parseInput(pgm.getInputFromFile("pixels.pgm"));
            pgm.addComment("Losowy komentarzyk");
            pgm.writeToFile("pixelsSaved.pgm");
            Console.Out.Write(pgm.ToString());

        }
    }
}