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

namespace Test_SichtbarkeitSteuern
{
    // Die möglichen Usermodi
    enum Mode
    {
        Admin,
        Keyuser,
        User
    }

    public partial class Form1 : Form
    {
        #region Version und Copyright
        // Version und Copyright
        string programName = Path.GetFileNameWithoutExtension(System.Reflection.Assembly.GetExecutingAssembly().GetName().CodeBase); //Den Programmnamen auslesen
        string programVersion = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version.ToString();
        static object[] attributes = Assembly.GetExecutingAssembly().GetCustomAttributes(typeof(AssemblyCopyrightAttribute), false);
        string copyright = GenerateCopyright();
        string icon = Application.StartupPath + "\\Info.bmp";

        //Assembly Datum und Zeit
        static DateTime value = AssemblyDateTime();
        string date = value.ToShortDateString();
        string time = value.ToLongTimeString();

        private static DateTime AssemblyDateTime()
        {
            var version = System.Reflection.Assembly.GetExecutingAssembly().GetName().Version;
            var buildDateTime = new DateTime(2000, 1, 1).Add(new TimeSpan(TimeSpan.TicksPerDay * version.Build + TimeSpan.TicksPerSecond * 2 * version.Revision));
            //Tage seit dem 1. Januar 2000 und Sekunden seit Mitternacht, (multiplizier mit 2 ergibt das Original)
            return buildDateTime;
        }

        private static string CurrentYear()
        {
            DateTime dtn = DateTime.Now;
            return dtn.Year.ToString();
        }

        private static string StartYear()
        {
            string startYear = "";
            if (((AssemblyCopyrightAttribute)attributes[0]).Copyright.Contains("Copyright © "))
            {
                startYear = ((AssemblyCopyrightAttribute)attributes[0]).Copyright.Replace("Copyright © ", "");
                while (startYear.StartsWith(" "))
                {
                    startYear = startYear.Remove(0, 1);
                }

                if (startYear.Contains("-"))
                {
                    startYear = startYear.Remove(startYear.IndexOf("-"));
                }
                else
                {
                    startYear = startYear.Remove(startYear.IndexOf(" "));
                }
                return startYear;
            }
            else
            {
                DateTime dtn = DateTime.Now;
                return dtn.Year.ToString();
            }
        }

        private static string GenerateCopyright()
        {
            string startYear = StartYear();
            string currentYear = CurrentYear();

            if (startYear == currentYear)
            {
                return ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
            }
            else
            {
                string temp = ((AssemblyCopyrightAttribute)attributes[0]).Copyright;
                string start = temp.Remove(temp.IndexOf(startYear) - 1);
                string end = (temp.Remove(0, temp.IndexOf(" by")));

                return String.Concat(start, " ", startYear, "-", currentYear, end);
            }
        }
        #endregion

        #region Programm-Info
        /// <summary>
        /// Contains the name of the program file
        /// </summary>
        public static string ProgramName { set; get; }

        /// <summary>
        /// Contains the version of the program file
        /// </summary>
        public static string ProgramVersion { set; get; }

        /// <summary>
        /// Contains the copyright notice
        /// </summary>
        public static string Copyright { set; get; }

        private void SetProgramInfo()
        {
            //Name, Version und Copyright setzen
            ProgramName = programName;
            ProgramVersion = programVersion;
            Copyright = copyright;
        }
        #endregion
        public Form1()
        {
            SetProgramInfo();
            InitializeComponent();
        }

        private void buttonAdmin_Click(object sender, EventArgs e)
        {
            SetVisability(Mode.Admin);

            labelStatus.Text = "Status: Ein Administrator darf alles sehen und alles tun";
        }

        private void buttonKeyuser_Click(object sender, EventArgs e)
        {
            SetVisability(Mode.Keyuser);

            labelStatus.Text = "Status: Ein Keyuser darf alles sehen und manches tun";
        }

        private void buttonUser_Click(object sender, EventArgs e)
        {
            SetVisability(Mode.User);

            labelStatus.Text = "Status: Ein User darf manches sehen und nichts tun";
        }

        private void SetVisability(Mode mode)
        {
            VisibilityControl.SetVisability(mode);

            buttonDoSomething.Visible = VisibilityControl.ButtonDoSomethingVisible;
            buttonDoSomething.Enabled = VisibilityControl.ButtonDoSomethingEnabled;

            checkBoxDoIt.Visible = VisibilityControl.CheckBoxDoItVisible;
            checkBoxDoIt.Enabled = VisibilityControl.CheckBoxDoItEnabled;

            radioButtonEither.Visible = VisibilityControl.RadioButtonEitherVisible;
            radioButtonEither.Enabled = VisibilityControl.RadioButtonEitherEnabled;

            radioButtonOr.Visible = VisibilityControl.RadioButtonOrVisible;
            radioButtonOr.Enabled = VisibilityControl.RadioButtonOrEnabled;

            buttonAdmin.Visible = VisibilityControl.ButtonAdminVisible;
            buttonAdmin.Enabled = VisibilityControl.ButtonAdminEnabled;

            buttonKeyuser.Visible = VisibilityControl.ButtonKeyuserVisible;
            buttonKeyuser.Enabled = VisibilityControl.ButtonKeyuserEnabled;

            buttonUser.Visible = VisibilityControl.ButtonUserVisible;
            buttonUser.Enabled = VisibilityControl.ButtonUserEnabled;
        }
    }
}