using Prism.Commands;
using Prism.Mvvm;
using Prism.Regions;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using Unity;

namespace Cowain.Bake.Common
{
    public abstract class ViewModelBase : BindableBase
    {
        // *  未保存
        public string PageTitle { get; set; } = "标签标题";
        public bool IsCanClose { get; set; } = true;

        private string NavUri { get; set; }

        private DateTime date = DateTime.Now.Date;
        public DateTime Date
        {
            get { return date; }
            set { SetProperty(ref date, value); }
        }

        private DateTime _startTime = DateTime.Now;
        public DateTime StartTime
        {
            get { return _startTime; }
            set { SetProperty(ref _startTime, DateTime.Parse(Date.ToString("yyyy-MM-dd") + " " + value.ToString("HH:mm:ss"))); }
        }

        private DateTime _endTime = DateTime.Now;
        public DateTime EndTime
        {
            get { return _endTime; }
            set { SetProperty(ref _endTime, DateTime.Parse(Date.ToString("yyyy-MM-dd") + " " + value.ToString("HH:mm:ss"))); }
        }

        private DateTime _startDateTime = DateTime.Now;
        public DateTime StartDateTime
        {
            get { return _startDateTime; }
            set { SetProperty(ref _startDateTime, value); }
        }

        private DateTime _endDateTime = DateTime.Now;
        public DateTime EndDateTime
        {
            get { return _endDateTime; }
            set { SetProperty(ref _endDateTime, value); }
        }
        //条码
        private string code = string.Empty;
        public string Code
        {
            get { return code; }
            set { SetProperty(ref code, value); }
        }
        public DelegateCommand CloseCommand
        {
            get => new DelegateCommand(() =>
            {
                // 关闭操作
                // 根据URI获取对应的已注册对象名称
                var obj = _unityContainer.Registrations.FirstOrDefault(v => v.Name == NavUri);
                string name = obj.MappedToType.Name;
                // 根据对象名称再从Region的Views里面找到对象
                if (!string.IsNullOrEmpty(name))
                {
                    var region = _regionManager.Regions["MainContentRegion"];
                    var view = region.Views.FirstOrDefault(v => v.GetType().Name == name);
                    // 把这个对象从Region的Views里移除
                    if (view != null)
                        region.Remove(view);
                }
            });
        }

        public DelegateCommand RefreshCommand { get => new DelegateCommand(Refresh); }

        protected IUnityContainer _unityContainer;
        protected IRegionManager _regionManager;
        public ViewModelBase(IUnityContainer unityContainer, IRegionManager regionManager)
        {
            _unityContainer = unityContainer;
            _regionManager = regionManager;
            Refresh();
        }

        public virtual void Refresh() { }
    }
}