using System;
using System.ComponentModel;
using System.Windows.Forms;

namespace TweetDck.Core{
    partial class TrayIcon : Component{
        public enum Behavior{ // keep order
            Disabled, DisplayOnly, MinimizeToTray, CloseToTray, Combined
        }

        public event EventHandler ClickRestore;
        public event EventHandler ClickClose;

        public bool Visible{
            get{
                return notifyIcon.Visible;
            }

            set{
                notifyIcon.Visible = value;
            }
        }

        public bool HasNotifications{
            get{
                return hasNotifications;
            }

            set{
                if (hasNotifications != value){
                    notifyIcon.Icon = value ? Properties.Resources.icon_tray_new : Properties.Resources.icon_tray;
                    hasNotifications = value;
                }
            }
        }

        private bool hasNotifications;

        public TrayIcon(){
            InitializeComponent();
            notifyIcon.Text = Program.BrandName;
        }

        // event handlers

        private void trayIcon_MouseClick(object sender, MouseEventArgs e){
            if (e.Button == MouseButtons.Left){
                restoreToolStripMenuItem_Click(sender, e);
            }
        }

        private void contextMenuTray_Opening(object sender, CancelEventArgs e){
            muteNotificationsToolStripMenuItem.CheckedChanged -= muteNotificationsToolStripMenuItem_CheckedChanged;
            muteNotificationsToolStripMenuItem.Checked = Program.UserConfig.MuteNotifications;
        }

        private void contextMenuTray_Opened(object sender, EventArgs e){
            muteNotificationsToolStripMenuItem.CheckedChanged += muteNotificationsToolStripMenuItem_CheckedChanged;
        }

        private void restoreToolStripMenuItem_Click(object sender, EventArgs e){
            if (ClickRestore != null){
                ClickRestore(this, e);
            }
        }

        private void muteNotificationsToolStripMenuItem_CheckedChanged(object sender, EventArgs e){
            Program.UserConfig.MuteNotifications = muteNotificationsToolStripMenuItem.Checked;
            Program.UserConfig.Save();
        }

        private void closeToolStripMenuItem_Click(object sender, EventArgs e){
            if (ClickClose != null){
                ClickClose(this, e);
            }
        }
    }

    static class BehaviorExtensions{
        public static bool ShouldDisplayIcon(this TrayIcon.Behavior behavior){
            return behavior != TrayIcon.Behavior.Disabled;
        }

        public static bool ShouldHideOnMinimize(this TrayIcon.Behavior behavior){
            return behavior == TrayIcon.Behavior.MinimizeToTray || behavior == TrayIcon.Behavior.Combined;
        }

        public static bool ShouldHideOnClose(this TrayIcon.Behavior behavior){
            return behavior == TrayIcon.Behavior.CloseToTray || behavior == TrayIcon.Behavior.Combined;
        }
    }
}