using System;
using System.Collections.Generic;
using System.Windows;
using System.Windows.Threading;
using CommonServiceLocator;
using GalaSoft.MvvmLight;
using GalaSoft.MvvmLight.Command;
using GalaSoft.MvvmLight.Views;
using SubCabinetSolution.Model;
using SubCabinetSolution.Views;

namespace SubCabinetSolution.ViewModel
{
    public class CabinetViewModel : ViewModelBase
    {
        public string CurrentTime
        {
            get { return _currentTime; }
            set
            {
                _currentTime = value;
                RaisePropertyChanged(() => CurrentTime);
            }
        }

        private string _currentTime;

        public RelayCommand<CabinetWindow> LoginOutCommand { get; set; }

        public List<FunctionModel> FunctionModelList { get; set; }
        public List<FunctionModel> SettingsModelList { get; set; }
        public RelayCommand<object> FuncSelectedCommand { get; set; }

        public string MainTopTitle
        {
            get { return _mainTopTitle; }
            set
            {
                _mainTopTitle = value;
                RaisePropertyChanged(() => MainTopTitle);
            }
        }

        private string _mainTopTitle;

        public string MainTopImage
        {
            get { return _mainTopImage; }
            set
            {
                _mainTopImage = value;
                RaisePropertyChanged(() => MainTopImage);
            }
        }

        private string _mainTopImage;

        public string UserInputKeywords
        {
            get { return _inputKeywords; }
            set
            {
                _inputKeywords = value;
                RaisePropertyChanged(() => UserInputKeywords);
            }
        }

        private string _inputKeywords;
        public RelayCommand SearchDataCommand { get; set; }

        public CabinetViewModel()
        {
            DispatcherTimer showTimer = new DispatcherTimer();
            showTimer.Tick += ShowCurTimer; //起个Timer一直获取当前时间
            showTimer.Interval = new TimeSpan(0, 0, 0, 1, 0);
            showTimer.Start();

            this.LoginOutCommand = new RelayCommand<CabinetWindow>(LoginOut);
            // 初始化左侧功能列表
            this.FunctionModelList = new List<FunctionModel>
            {
                new FunctionModel("/Images/手术单领用.png", "手术单领用"),
                new FunctionModel("/Images/归还.png", "归还"),
                new FunctionModel("/Images/紧急领用.png", "紧急领用"),
                new FunctionModel("/Images/上架.png", "上架"),
                new FunctionModel("/Images/盘点.png", "盘点"),
                new FunctionModel("/Images/退SPD库.png", "退SPD库"),
                new FunctionModel("/Images/文档查询.png", "查询"),
                new FunctionModel("/Images/主页.png", "主页")
            };
            // 初始化左侧底部功能列表
            this.SettingsModelList = new List<FunctionModel>
            {
                new FunctionModel("/Images/settings.png", "设置"),
                new FunctionModel("/Images/灯泡.png", "灯光"),
                new FunctionModel("/Images/近消耗品.png", "近消耗品")
            };
            this.FuncSelectedCommand = new RelayCommand<object>(ItemSelectionChanged);
            this.SearchDataCommand = new RelayCommand(SearchData);
            // 设置默认值
            this.MainTopImage = FunctionModelList[7].Image;
            this.MainTopTitle = FunctionModelList[7].Title;
            // TODO 显示默认功能项数据
        }

        private void ShowCurTimer(object sender, EventArgs e)
        {
            this.CurrentTime = DateTime.Now.ToString("yyyy/MM/dd HH:mm:ss");
        }

        private void LoginOut(CabinetWindow window)
        {
            MessageBoxResult result =
                MessageBox.Show("确定退出吗？", "温馨提示", MessageBoxButton.OKCancel, MessageBoxImage.Question);
            if (result != MessageBoxResult.OK) return;
            //退出
            MainWindow mainWindow = new MainWindow();
            mainWindow.Show();
            window.Close();
        }

        private void ItemSelectionChanged(object sender)
        {
            if (!(sender is FunctionModel functionModel))
            {
                return;
            }

            this.MainTopImage = functionModel.Image;
            this.MainTopTitle = functionModel.Title;
            switch (functionModel.Title)
            {
                case "手术单领用":

                    break;
                case "归还":

                    break;
                case "紧急领用":

                    break;
                case "上架":

                    break;
                case "盘点":

                    break;
                case "退SPD库":

                    break;
                case "查询":
                    INavigationService navigationService = ServiceLocator.Current.GetInstance<INavigationService>();
                    navigationService.NavigateTo("InquirePage");
                    break;
                case "主页":

                    break;
            }
        }

        private void SearchData()
        {
            if (!string.IsNullOrWhiteSpace(_inputKeywords)) return;
            MessageBox.Show("请输入关键字", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
            return;
            // TODO 搜索数据库
        }
    }
}