using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Text;
using System.Windows.Forms;
using System.Text.RegularExpressions;

namespace FCC_Uber_MDX_Configurator
{
    public partial class AddNewEmailVoteForm : Form
    {
        public string _returnOptionString = "";
        public string _returnToString = "";

        public AddNewEmailVoteForm(string input_options, string input_to)
        {
            InitializeComponent();
            if (input_to != "")
            {
                TXT_To.Text = input_to;
            }
            InterpretOptionString(input_options);
        }
        public void InterpretOptionString(string optionString)
        {
            string[] _opts = optionString.Split(new string[] { "::" }, StringSplitOptions.RemoveEmptyEntries);
            if (_opts.Length >= 1)
            {
                TXT_Subject.Text = _opts[0];
                if (_opts.Length >= 2)
                {
                    TXT_Body_Beg.Text = _opts[1];
                    if (_opts.Length >= 3)
                    {
                        TXT_Body_End.Text = _opts[2];
                        if (_opts.Length >= 4)
                        {
                            COMBO_MONITORTYPE.Text = _opts[3];
                            if (_opts.Length >= 5)
                            {
                                COMBO_MONITOR_ID.Text = _opts[4];
                            }
                        }
                    }
                }
            }
        }

        private void COMBO_MONITOR_TYPE_SelectedValueChanged(object sender, EventArgs e)
        {
            COMBO_MONITOR_ID.Items.Clear();
            COMBO_MONITOR_ID.SelectedText = "";
            COMBO_MONITOR_ID.Enabled = false;
            ComboBox _combo = (ComboBox)sender;
            if (_combo.SelectedItem == null || _combo.SelectedItem.ToString() == "")
            {
                return;
            }
            List<string> _possibilites = new List<string>();

            switch (_combo.SelectedItem.ToString().ToLower())
            {
                case "variable":
                    {
                        foreach (GlobalStaticClass._GlobalVariableClass _var in GlobalStaticClass._Global_List_Variables)
                        {
                            _possibilites.Add(_var._id);
                        }
                    }
                    break;
                case "analogue input":
                    {
                        foreach (GlobalStaticClass._GlobalAnalogueInputClass _ain in GlobalStaticClass._Global_List_AnalogueInputs)
                        {
                            _possibilites.Add(_ain.id);
                        }
                    }
                    break;
                case "digital output":
                    {
                        foreach (GlobalStaticClass._GlobalDigitalOutputClass _doc in GlobalStaticClass._Global_List_DigitalOutputs)
                        {
                            _possibilites.Add(_doc.id);
                        }
                    }
                    break;
                case "none":
                    {
                        _possibilites.Clear();
                    }
                    break;
                default:
                    break;
            }
            if (_possibilites.Count > 0)
            {
                COMBO_MONITOR_ID.Enabled = true;
                COMBO_MONITOR_ID.Items.AddRange(_possibilites.ToArray());
                COMBO_MONITOR_ID.Text = "";
                COMBO_MONITOR_ID.Text = _possibilites[0];
            }
        }

        #region Verify a TextBox is not Blank
        private void Leave_VerifyTXTIsNotBlank(object sender, EventArgs e)
        {
            try
            {
                TextBox _senderBox = (TextBox)sender;
                if (_senderBox.Text == "")
                {
                    throw new Exception();
                }
            }
            catch (Exception)
            {
                ErrorForm _tempErrorForm = new ErrorForm("Empty Field", "This field cannot be left empty.");
                _tempErrorForm.ShowDialog();
            }
        }
        #endregion

        #region Verify a Proper Item has Been Selected in Combo Box
        private void Leave_VerifyCOMBOIsValid(object sender, EventArgs e)
        {
            try
            {
                ComboBox _senderBox = (ComboBox)sender;
                if (!_senderBox.Items.Contains(_senderBox.Text))
                {
                    (new ErrorForm(_senderBox.Name, "The value you selected or entered is not valid")).ShowDialog();
                    _senderBox.Focus();
                    _senderBox.SelectedIndex = 0;
                }
            }
            catch (Exception)
            {
                ErrorForm _tempErrorForm = new ErrorForm("Unknown Error", "There was an unexpected untraceable error caught in the application. If you can reproduce this error, please let me know at FusionControlCentre@gmail.com");
                _tempErrorForm.ShowDialog();
            }
        }
        #endregion

        private void BTN_SAVE_Click(object sender, EventArgs e)
        {
            while (TXT_Body_Beg.Text.Contains("::"))
            {
                TXT_Body_Beg.Text = TXT_Body_Beg.Text.Replace("::", ":");
            }
            while (TXT_Body_End.Text.Contains("::"))
            {
                TXT_Body_End.Text = TXT_Body_End.Text.Replace("::", ":");
            }
            while(TXT_Subject.Text.Contains("::"))
            {
                TXT_Subject.Text = TXT_Subject.Text.Replace("::", ":");
            }

            if (!Regex.IsMatch(TXT_To.Text, GlobalStaticClass.MatchEmailPattern))
            {
                (new ErrorForm("Invalid Email", "The email address provided is not recognized as being valid")).ShowDialog();
                TXT_To.Focus();
                this.DialogResult = DialogResult.None;
                return;
            }
            _returnOptionString = TXT_Subject.Text + "::" + TXT_Body_Beg.Text + "::" + 
                TXT_Body_End.Text + "::" + COMBO_MONITORTYPE.Text + "::" + COMBO_MONITOR_ID.Text;
            _returnToString = TXT_To.Text;
            this.DialogResult = DialogResult.OK;
        }
    }
}