using MaterialDesignThemes.Wpf;
using Prism.Commands;
using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Runtime.CompilerServices;
using System.Text;
using System.Threading.Tasks;
using System.Windows;
using System.Windows.Controls;
using System.Windows.Data;
using System.Windows.Documents;
using System.Windows.Input;
using System.Windows.Media;
using System.Windows.Media.Imaging;
using System.Windows.Navigation;
using System.Windows.Shapes;
using TeamAAS_VP.Enums;

namespace TeamAAS_VP.Controls
{
    /// <summary>
    /// AddPalletView.xaml 的交互逻辑
    /// </summary>
    public partial class AddPalletView : UserControl, INotifyPropertyChanged
    {
        public AddPalletView()
        {
            InitializeComponent();
            DataContext = this;
        }

        private int _SelectPageIndex=0;
        /// <summary>
        /// Page选择的索引
        /// </summary>
        public int SelectPageIndex
        {
            get { return _SelectPageIndex; }
            set { SetProperty(ref _SelectPageIndex, value); }
        }

        private bool _IsCheckModel1=true;
        /// <summary>
        /// Pallet选择的模式（普通托盘）
        /// </summary>
        public bool IsCheckModel1
        {
            get { return _IsCheckModel1; }
            set { SetProperty(ref _IsCheckModel1, value); }
        }

        private bool _IsCheckModel2=false;
        /// <summary>
        /// Pallet选择的模式（组合托盘）
        /// </summary>
        public bool IsCheckModel2
        {
            get { return _IsCheckModel2; }
            set { SetProperty(ref _IsCheckModel2, value); }
        }

        private CoordinateModel _CoordinateModel= CoordinateModel.Orthogonality;
        /// <summary>
        /// 坐标系模式
        /// </summary>
        public CoordinateModel CoordinateModel
        {
            get { return _CoordinateModel; }
            set { SetProperty(ref _CoordinateModel, value); }
        }

        private bool _Checked1=true;
        /// <summary>
        /// 正交坐标系
        /// </summary>
        public bool Checked1
        {
            get { return _Checked1; }
            set
            {
                SetProperty(ref _Checked1, value);
                if (value)
                {
                    Checked2 = false;
                    CoordinateModel = CoordinateModel.Orthogonality;
                }
            }
        }

        private bool _Checked2=false;
        /// <summary>
        /// 切变坐标系
        /// </summary>
        public bool Checked2
        {
            get { return _Checked2; }
            set
            {
                SetProperty(ref _Checked2, value);
                if (value)
                {
                    Checked1 = false;
                    CoordinateModel = CoordinateModel.Shear;
                }
            }
        }

        private string _PalletName;
        /// <summary>
        /// 托盘的名称
        /// </summary>
        public string PalletName
        {
            get { return _PalletName; }
            set { SetProperty(ref _PalletName, value); }
        }

        private Visibility _BackButtonVisibility=Visibility.Collapsed;
        /// <summary>
        /// 上一步
        /// </summary>
        public Visibility BackButtonVisibility
        {
            get { return _BackButtonVisibility; }
            set { SetProperty(ref _BackButtonVisibility, value); }
        }

        private Visibility _NextButtonVisibility = Visibility.Visible;
        /// <summary>
        /// 下一步
        /// </summary>
        public Visibility NextButtonVisibility
        {
            get { return _NextButtonVisibility; }
            set { SetProperty(ref _NextButtonVisibility, value); }
        }

        private Visibility _OKButtonVisibility = Visibility.Collapsed;
        /// <summary>
        /// 确定
        /// </summary>
        public Visibility OKButtonVisibility
        {
            get { return _OKButtonVisibility; }
            set { SetProperty(ref _OKButtonVisibility, value); }
        }

        private Visibility _CancelButtonVisibility = Visibility.Visible;
        /// <summary>
        /// 取消
        /// </summary>
        public Visibility CancelButtonVisibility
        {
            get { return _CancelButtonVisibility; }
            set { SetProperty(ref _CancelButtonVisibility, value); }
        }

        private DelegateCommand _GoBack;
        public DelegateCommand GoBack =>
            _GoBack ?? (_GoBack = new DelegateCommand(ExecuteGoBack));

        /// <summary>
        /// 上一步
        /// </summary>
        void ExecuteGoBack()
        {
            if (SelectPageIndex == 1)
            {
                //进入托盘模式选择界面
                SelectPageIndex = 0;
                BackButtonVisibility = Visibility.Collapsed;
                NextButtonVisibility = Visibility.Visible;
                OKButtonVisibility = Visibility.Collapsed;
                CancelButtonVisibility = Visibility.Visible;
            }
            else if (SelectPageIndex == 2)
            {
                if (IsCheckModel1)
                {
                    //进入托盘模式选择界面
                    SelectPageIndex = 0;
                    BackButtonVisibility = Visibility.Collapsed;
                    NextButtonVisibility = Visibility.Visible;
                    OKButtonVisibility = Visibility.Collapsed;
                    CancelButtonVisibility = Visibility.Visible;
                }
                else
                {
                    //进入坐标系模式选择界面
                    SelectPageIndex = 1;
                    BackButtonVisibility = Visibility.Visible;
                    NextButtonVisibility = Visibility.Visible;
                    OKButtonVisibility = Visibility.Collapsed;
                    CancelButtonVisibility = Visibility.Visible;
                }
            }
        }

        private DelegateCommand _GoNext;
        public DelegateCommand GoNext =>
            _GoNext ?? (_GoNext = new DelegateCommand(ExecuteGoNext));

        /// <summary>
        /// 下一步
        /// </summary>
        void ExecuteGoNext()
        {
            if (SelectPageIndex==0)
            {
                if (IsCheckModel1)
                {
                    //进入输入名称界面
                    SelectPageIndex = 2;
                    BackButtonVisibility= Visibility.Visible;
                    NextButtonVisibility= Visibility.Collapsed;
                    OKButtonVisibility = Visibility.Visible;
                    CancelButtonVisibility = Visibility.Visible;
                }
                else
                {
                    //进入坐标系模式选择界面
                    SelectPageIndex = 1;
                    BackButtonVisibility = Visibility.Visible;
                    NextButtonVisibility = Visibility.Visible;
                    OKButtonVisibility = Visibility.Collapsed;
                    CancelButtonVisibility = Visibility.Visible;
                }
            }
            else if (SelectPageIndex == 1)
            {
                //进入输入名称界面
                SelectPageIndex = 2;
                BackButtonVisibility = Visibility.Visible;
                NextButtonVisibility = Visibility.Collapsed;
                OKButtonVisibility = Visibility.Visible;
                CancelButtonVisibility = Visibility.Visible;
            }
        }
        #region 属性通知
        /// <summary>
        /// Occurs when a property value changes.
        /// </summary>
        public event PropertyChangedEventHandler PropertyChanged;

        /// <summary>
        /// Checks if a property already matches a desired value. Sets the property and
        /// notifies listeners only when necessary.
        /// </summary>
        /// <typeparam name="T">Type of the property.</typeparam>
        /// <param name="storage">Reference to a property with both getter and setter.</param>
        /// <param name="value">Desired value for the property.</param>
        /// <param name="propertyName">Name of the property used to notify listeners. This
        /// value is optional and can be provided automatically when invoked from compilers that
        /// support CallerMemberName.</param>
        /// <returns>True if the value was changed, false if the existing value matched the
        /// desired value.</returns>
        protected virtual bool SetProperty<T>(ref T storage, T value, [CallerMemberName] string propertyName = null)
        {
            if (EqualityComparer<T>.Default.Equals(storage, value)) return false;

            storage = value;
            RaisePropertyChanged(propertyName);

            return true;
        }

        /// <summary>
        /// Checks if a property already matches a desired value. Sets the property and
        /// notifies listeners only when necessary.
        /// </summary>
        /// <typeparam name="T">Type of the property.</typeparam>
        /// <param name="storage">Reference to a property with both getter and setter.</param>
        /// <param name="value">Desired value for the property.</param>
        /// <param name="propertyName">Name of the property used to notify listeners. This
        /// value is optional and can be provided automatically when invoked from compilers that
        /// support CallerMemberName.</param>
        /// <param name="onChanged">Action that is called after the property value has been changed.</param>
        /// <returns>True if the value was changed, false if the existing value matched the
        /// desired value.</returns>
        protected virtual bool SetProperty<T>(ref T storage, T value, Action onChanged, [CallerMemberName] string propertyName = null)
        {
            if (EqualityComparer<T>.Default.Equals(storage, value)) return false;

            storage = value;
            onChanged?.Invoke();
            RaisePropertyChanged(propertyName);

            return true;
        }

        /// <summary>
        /// Raises this object's PropertyChanged event.
        /// </summary>
        /// <param name="propertyName">Name of the property used to notify listeners. This
        /// value is optional and can be provided automatically when invoked from compilers
        /// that support <see cref="CallerMemberNameAttribute"/>.</param>
        protected void RaisePropertyChanged([CallerMemberName] string propertyName = null)
        {
            OnPropertyChanged(new PropertyChangedEventArgs(propertyName));
        }

        /// <summary>
        /// Raises this object's PropertyChanged event.
        /// </summary>
        /// <param name="args">The PropertyChangedEventArgs</param>
        protected virtual void OnPropertyChanged(PropertyChangedEventArgs args)
        {
            PropertyChanged?.Invoke(this, args);
        }
        #endregion
    }
}