//
// Copyright 2014 Perforce Software Inc.
//

using Perforce.Helper;
using Perforce.View;
using System;
using System.Runtime.Caching;

namespace Perforce.ViewModel {
    public class ToolBarViewModel : ViewModelBase {

        public ToolBarViewModel() {
            Utility.SetProperty(Constants.TOOLBAR_VIEWMODEL, this);
        }

        public void Refresh() {
            OnPropertyChanged(string.Empty);
        }

        public void RefreshNavButtons() {
            OnPropertyChanged("LeftButtonEnabled");
            OnPropertyChanged("RightButtonEnabled");
        }

        public bool LeftButtonEnabled {
            get {
                return ((App.Current.MainWindow as MainWindow).PreviousStack.Count > 0);
            }
        }

        public bool RightButtonEnabled {
            get {
                return ((App.Current.MainWindow as MainWindow).NextStack.Count > 0);
            }
        }

        public void RefreshAddButtons() {
            OnPropertyChanged("AddFilesButtonEnabled");
            OnPropertyChanged("NewFolderButtonEnabled");
        }

        public bool AddFilesButtonEnabled {
            get {
                var enabled = false;
                var main = App.Current.MainWindow as MainWindow;
                var selector = UIHelper.GetCurrentSelector();
                if (selector != null) {
                    if (selector.SelectorType == SELECTOR_TYPE.WORKSPACE) {
                        enabled = true;
                    } else if (selector.SelectorType == SELECTOR_TYPE.FAVORITE) {
                        var model = selector.Model as FavoritesViewModel;
                        if (model.Item.Selector == SELECTOR_TYPE.WORKSPACE) {
                            enabled = true;
                        }
                    }
                }
                return enabled;
            }
        }

        public bool NewFolderButtonEnabled {
            get {
                var enabled = false;
                var main = App.Current.MainWindow as MainWindow;
                var selector = UIHelper.GetCurrentSelector();
                if (selector != null) {
                    if (selector.SelectorType == SELECTOR_TYPE.WORKSPACE) {
                        enabled = true;
                    } else if (selector.SelectorType == SELECTOR_TYPE.FAVORITE) {
                        var model = selector.Model as FavoritesViewModel;
                        if (model.Item.Selector == SELECTOR_TYPE.WORKSPACE) {
                            enabled = true;
                        }
                    }
                }
                return enabled;
            }
        }

        public bool CheckInButtonEnabled {
            get {
                var enabled = false;
                var helper = Utility.GetPerforceHelper();
                if (helper != null && helper.ClientEnabled) {
                    enabled = true;
                }
                return enabled;
            }
            set {
                OnPropertyChanged("CheckInButtonEnabled");
            }
        }

        public bool ColumnViewButtonEnabled {
            get { return false; }
        }

        public bool IconViewButtonEnabled {
            get { return false; }
        }

        private bool _syncButtonEnabled;
        public bool SyncButtonEnabled {
            get {
                var enabled = false;
                var helper = Utility.GetPerforceHelper();
                if (helper != null && helper.ClientEnabled && _syncButtonEnabled) {
                    enabled = true;
                }
                return enabled;
            }
            set {
                _syncButtonEnabled = value;
                OnPropertyChanged("SyncButtonEnabled");
            }
        }

        private bool _syncProgressVisible;
        public bool SyncProgressVisible {
            get { return _syncProgressVisible;  }
            set {
                _syncProgressVisible = value;
                OnPropertyChanged("SyncProgressVisible");
            }
        }
    }
}