using System;
using System.Collections.Generic;
using System.Collections.Specialized;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using Outlook = Microsoft.Office.Interop.Outlook;

namespace Outlook2013TodoAddIn.Forms
{
    public partial class FormConfiguration : Form
    {
        #region "Properties"

        /// <summary>
        /// Number of days (including today) to retrieve appointments from in the future
        /// </summary>
        public decimal NumDays
        {
            get { return this.numRangeDays.Value; }
            set { this.numRangeDays.Value = value; }
        }

        /// <summary>
        /// Gets/sets whether mail notifications are enabled or not
        /// </summary>
        public bool MailAlertsEnabled
        {
            get { return this.chkMailAlerts.Checked; }
            set { this.chkMailAlerts.Checked = value; }
        }

        /// <summary>
        /// Gets/sets whether to show past appointments in the current day or not
        /// </summary>
        public bool ShowPastAppointments
        {
            get { return this.chkShowPastAppointments.Checked; }
            set { this.chkShowPastAppointments.Checked = value; }
        }

        /// <summary>
        /// Gets/sets a list of all stores/accounts to retrieve information from
        /// </summary>
        public StringCollection Accounts
        {
            get
            {
                StringCollection col = new StringCollection();
                foreach (object item in this.chkListCalendars.CheckedItems)
                {
                    col.Add(item.ToString());
                }
                return col;
            }
        }

        /// <summary>
        /// Gets/sets whether to show friendly group headers (yesterday, today, tomorrow)
        /// </summary>
        public bool ShowFriendlyGroupHeaders
        {
            get { return this.chkFriendlyGroupHeaders.Checked; }
            set { this.chkFriendlyGroupHeaders.Checked = value; }
        }

        #endregion "Properties"
        
        #region "Methods"

        /// <summary>
        /// Default constructor
        /// </summary>
        public FormConfiguration()
        {
            InitializeComponent();
        }

        /// <summary>
        /// On load, display saved configuration
        /// </summary>
        /// <param name="sender">Sender</param>
        /// <param name="e">EventArgs</param>
        private void FormConfiguration_Load(object sender, EventArgs e)
        {
            this.numRangeDays.Value = Properties.Settings.Default.NumDays;
            this.chkMailAlerts.Checked = Properties.Settings.Default.MailAlertsEnabled;
            this.chkShowPastAppointments.Checked = Properties.Settings.Default.ShowPastAppointments;
            this.chkFriendlyGroupHeaders.Checked = Properties.Settings.Default.ShowFriendlyGroupHeaders;
            this.LoadStores();
        }

        /// <summary>
        /// Loads all the stores (accounts) in the current session
        /// </summary>
        private void LoadStores()
        {
            foreach (Outlook.Store store in Globals.ThisAddIn.Application.Session.Stores)
            {
                bool itemChecked = Properties.Settings.Default.Accounts != null && Properties.Settings.Default.Accounts.Contains(store.DisplayName);
                int index = this.chkListCalendars.Items.Add(store.DisplayName, itemChecked);
                // TODO: Use StoreID instead?
            }
        }

        /// <summary>
        /// Clicking the OK button
        /// </summary>
        /// <param name="sender">Sender</param>
        /// <param name="e">EventArgs</param>
        private void btnOK_Click(object sender, EventArgs e)
        {
            Properties.Settings.Default.NumDays = this.numRangeDays.Value;
            Properties.Settings.Default.MailAlertsEnabled = this.chkMailAlerts.Checked;
            Properties.Settings.Default.ShowPastAppointments = this.chkShowPastAppointments.Checked;
            Properties.Settings.Default.Accounts = this.Accounts;
            Properties.Settings.Default.ShowFriendlyGroupHeaders = this.chkFriendlyGroupHeaders.Checked;
        }

        #endregion "Methods"
    }
}