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

namespace Mk0.Software.ImageSorter
{
    public partial class Dateirenamer : Form
    {
        private string quellPath;

        public Dateirenamer(string quellPath)
        {
            InitializeComponent();
            this.quellPath = quellPath;
        }

        private void Dateirenamer_Shown(object sender, EventArgs e)
        {
            if (!Directory.Exists(quellPath))
            {
                MessageBox.Show("Es wurde kein gültiger Quellpfad definiert. Bitte zuerst definieren, dann erneut versuchen.", "Kein Quellpfad definiert", MessageBoxButtons.OK, MessageBoxIcon.Error);
                this.Close();
            }
        }

        private void ButtonAusfuehren_Click(object sender, EventArgs e)
        {
            if (CheckInput())
            {
                textBoxLog.Clear();
                Scanner(quellPath, textBoxSuche.Text, textBoxErsetze.Text, checkBoxRekursiv.Checked);
            }
        }

        private void ButtonSpeichern_Click(object sender, EventArgs e)
        {
            if (CheckInput())
            {
                MessageBox.Show("ok");
                //todo
            }
        }

        private bool CheckInput()
        {
            if (string.IsNullOrEmpty(textBoxSuche.Text))
            {
                return false;
            }
            return true;
        }

        public void Scanner(string pfad, string suchen, string ersetzen, bool rekursiv = false)
        {
            DirectoryInfo dir = new DirectoryInfo(pfad);

            foreach (FileInfo file in dir.GetFiles("*.*"))
            {
                if (file.Name.Contains(suchen))
                {
                    try
                    {
                        string newName = file.Name.Replace(suchen, ersetzen);
                        textBoxLog.AppendText("RENAME: " + dir.Name + "| " + file.Name + " -> " + newName + Environment.NewLine);
                        File.Move(Path.Combine(dir.FullName, file.Name), Path.Combine(dir.FullName, newName));
                    }
                    catch (Exception)
                    {
                        textBoxLog.AppendText("DELETE: " + dir.Name + "| " + file.Name + Environment.NewLine);
                        File.Delete(Path.Combine(dir.FullName, file.Name));
                    }
                }
            }

            if (rekursiv)
            {
                foreach (DirectoryInfo dir2 in dir.GetDirectories())
                {
                    Scanner(dir2.FullName, suchen, ersetzen, true);
                }
            }
        }
    }
}