using Prism.Events;
using System;
using System.Collections.Generic;
using System.Windows.Controls;
using TeamAAS_VP.Enums;
using TeamAAS_VP.Events;
using TeamAAS_VP.Interfaces;
using TeamAAS_VP.Models;

namespace TeamAAS_VP.Views.Product
{
    /// <summary>
    /// Interaction logic for PalletManage
    /// </summary>
    public partial class PalletManage : UserControl
    {
        IEventAggregator _eventAggregator;
        public PalletManage(IEventAggregator ea)
        {
            InitializeComponent();
            _eventAggregator = ea;
            _eventAggregator.GetEvent<PalletLayoutNotification>().Subscribe(UpdateVoid);
        }

        private void UpdateVoid(Pallet pallet)
        {
            UpDatePalletLayout(pallet.Row, pallet.Column , pallet.Arrangement);
        }

        public void UpDatePalletLayout(int row,int column, PalletArrangement arrangement)
        {
            gridPalllet.RowDefinitions.Clear();
            gridPalllet.ColumnDefinitions.Clear();
            gridPalllet.Children.Clear();
            for (int i = 0; i < row; i++)
            {
                gridPalllet.RowDefinitions.Add(new RowDefinition());
            }
            for (int i = 0;i < column; i++)
            {
                gridPalllet.ColumnDefinitions.Add( new ColumnDefinition());
            }
            gridPalllet.ShowGridLines = true;
            TextBlock[] texts=new TextBlock[] {new TextBlock() { Text="P0" , HorizontalAlignment=System.Windows.HorizontalAlignment.Center,VerticalAlignment=System.Windows.VerticalAlignment.Center}, 
                new TextBlock() { Text = "P1",HorizontalAlignment=System.Windows.HorizontalAlignment.Center,VerticalAlignment=System.Windows.VerticalAlignment.Center }, 
                new TextBlock() { Text = "P2" ,HorizontalAlignment=System.Windows.HorizontalAlignment.Center,VerticalAlignment=System.Windows.VerticalAlignment.Center} };
            gridPalllet.Children.Add(texts[0]);
            gridPalllet.Children.Add(texts[1]);
            gridPalllet.Children.Add(texts[2]);
            Grid.SetRow(texts[0], row-1);
            Grid.SetColumn(texts[0], 0);

            Grid.SetRow(texts[1], row - 1);
            Grid.SetColumn(texts[1], column-1);

            Grid.SetRow(texts[2], 0);
            Grid.SetColumn(texts[2], 0);

            List<TextBlock> labels= new List<TextBlock>();  
            for (int i = 1;i<= row* column; i++)
            {
                labels.Add(new TextBlock() { Text = $"No:{i}", HorizontalAlignment = System.Windows.HorizontalAlignment.Left, VerticalAlignment = System.Windows.VerticalAlignment.Top,Margin=new System.Windows.Thickness(5) });
                gridPalllet.Children.Add(labels[labels.Count-1]);
            }
            int index = 0;
            if (arrangement ==PalletArrangement.Z)
            {
                for (int i = row-1;i>-1; i--)
                {
                    for(int j = 0;j< column; j++)
                    {
                        Grid.SetRow(labels[index], i);
                        Grid.SetColumn(labels[index], j);
                        index++;
                    }
                }
            }
            else if (arrangement == PalletArrangement.弓)
            {
                for (int i = row - 1; i > -1; i--)
                {
                    if ((row-(i + 1))%2==0)     //偶数
                    {
                        for (int j = 0; j < column; j++)
                        {
                            Grid.SetRow(labels[index], i);
                            Grid.SetColumn(labels[index], j);
                            index++;
                        }
                    }
                    else  //奇数
                    {
                        for (int j = column - 1; j > -1; j--)
                        {
                            Grid.SetRow(labels[index], i);
                            Grid.SetColumn(labels[index], j);
                            index++;
                        }
                    }
                    
                }
            }
        }
    }
}