using System;
using System.Drawing;
using System.Windows.Forms;
using Newtonsoft.Json;
using System.IO;


namespace OWTrack
{
    public partial class MainForm : Form
    {
        Tracker tr = new Tracker();
        private const string IS_RUNNING = "Running";
        private const string NOT_RUNNING = " Not running";
        private string savesPath = Directory.GetCurrentDirectory() + "/saves/data.json";
        private bool SRonce = false;

        public MainForm()
        {
            InitializeComponent();          
            loadSave();
            checkStatus();
            update();
            label4.Text = Program.Version.ToString();
            Text = "OWTrack " + Program.Version.ToString();           
        }
                
        private void checkStatus()
        {                                   
            try
            {
                Time.Text = DateTime.Now.ToString("h:mm tt");
                status.Text = NOT_RUNNING;
                status.ForeColor = Color.Red;
                if (tr.owRunning())
                {
                    status.Text = IS_RUNNING;
                    status.ForeColor = Color.FromArgb(0, 192, 0);
                }                
            }
            catch (Exception e)
            {
                MessageBox.Show(e.Message);                
            }
        }

        private void loadSave()
        {
            Directory.CreateDirectory("saves");
            if (saveExist())
            {
                tr.wins = savedTracker().wins;
                tr.losses = savedTracker().losses;
                tr.newSR = savedTracker().newSR;
                tr.startSR = savedTracker().startSR;
                tr.gamePath = savedTracker().gamePath;
                update();
            }            
        }       

        private bool saveExist()
        {
            try
            {
                if (File.Exists(savesPath))
                {
                    using (StreamReader st = new StreamReader(savesPath))
                    {
                        string line = st.ReadLine();
                        if (line.Contains("Overwatch.exe"))
                        {
                            st.Close();
                            return true;
                        }
                        else
                        {
                            if (!tr.LoacteOW())
                            {                                
                                st.Close();
                                getGamePath();
                            }
                            return true;
                        }
                    }
                }
                else
                {
                    if (!tr.LoacteOW())
                    {
                        getGamePath(); 
                    }
                    return false;
                }
            }
            catch (Exception e)
            {
                MessageBox.Show(e.Message);
                return false;
            }            
        }

        private void getGamePath()
        {
            openFileDialog1.Title = "Select Overwatch.exe";
            openFileDialog1.DefaultExt = "exe";
            openFileDialog1.Filter = "exe Files (*.exe)|*.exe|All files (*.*)|*.*";
            openFileDialog1.CheckFileExists = true;
            openFileDialog1.CheckPathExists = true;

            DialogResult result = openFileDialog1.ShowDialog();

            if (result == DialogResult.OK)
            {
                tr.gamePath = openFileDialog1.FileName;
            }
            else if (result == DialogResult.Cancel)
            {
                Close();
            }
            FindForm();
            update();
        }

        private Tracker savedTracker()
        {
            try
            {
                return JsonConvert.DeserializeObject<Tracker>(File.ReadAllText(savesPath));
            }
            catch (Exception e)
            {
                MessageBox.Show(e.Message);
                return null;                
            }
        }
        
        private void timer1_Tick(object sender, EventArgs e)
        {
            checkStatus();
        }

        private void button1_Click(object sender, EventArgs e)
        {
            tr.addWin();
            update();
        }

        private void button2_Click(object sender, EventArgs e)
        {
            tr.addLoss();
            update();
        }

        private void reduceWinBut_Click(object sender, EventArgs e)
        {
            tr.reduceWin();
            update();
        }

        private void reduceLossBut_Click(object sender, EventArgs e)
        {
            tr.rediceLoss();
            update();
        }

        private void update()
        {
            Wins.Text = tr.GetWins().ToString();
            Losses.Text = tr.GetLosses().ToString();
            if (tr.newSR == 0)
            {
                if (tr.srDiff() < 1) { srLabel.Text = tr.startSR.ToString() + " - 0"; }
                else srLabel.Text = tr.startSR.ToString() + " - " + tr.srDiff();
            }
            else srLabel.Text = tr.startSR.ToString() + " - " + tr.srDiff();
            srTextBox.Text = null;
            File.WriteAllText(Directory.GetCurrentDirectory() + "/saves/data.json", JsonConvert.SerializeObject(tr));
        }

        private void clearBut_Click(object sender, EventArgs e)
        {
            tr.reset();
            update();
        }       

        private void srBut_Click(object sender, EventArgs e)
        {
            int sr = 0;
            try
            {
                sr = Convert.ToInt32(srTextBox.Text);
            }
            catch (FormatException)
            {
                MessageBox.Show("Enter a Number!");
                return;
            }
            catch (OverflowException ex)
            {
                MessageBox.Show(ex.Message);
                return;
            }
            finally
            {
                if (!SRonce)
                {
                    tr.startSR = sr;
                    SRonce = true;
                }
                else tr.newSR = sr;
            }
            update();
        }       
    }
}