using System.Windows;
using System.Windows.Controls;
using _29WxOrderWpf.Ctrls.Statistics.Models;
using _29WxOrderWpf.Ctrls.Statistics.ViewModels;

namespace _29WxOrderWpf.Ctrls.Statistics
{
	/// <summary>
	/// 天/周/月周期统计页面（MVVM）。
	/// 通过 PeriodType 指定统计周期：Day（天统计）/ Week（周统计）/ Month（月统计）。
	/// </summary>
	public partial class PeriodRevenueStatisticsView : UserControl
	{
		public PeriodRevenueStatisticsView()
		{
			InitializeComponent();
			// 默认天统计；当 XAML 指定 Week/Month 时通过 PeriodType 回调切换
			DataContext = new PeriodRevenueStatisticsViewModel(PeriodStatisticType.Day);
			this.Loaded += PeriodRevenueStatisticsView_Loaded;
		}

		private void PeriodRevenueStatisticsView_Loaded(object sender, RoutedEventArgs e)
		{
			//(DataContext as PeriodRevenueStatisticsViewModel).Init();
		}

		public static readonly DependencyProperty PeriodTypeProperty =
			DependencyProperty.Register(
				nameof(PeriodType),
				typeof(PeriodStatisticType),
				typeof(PeriodRevenueStatisticsView),
				new PropertyMetadata(PeriodStatisticType.Day, OnPeriodTypeChanged));

		/// <summary>统计周期（Day / Week / Month）</summary>
		public PeriodStatisticType PeriodType
		{
			get { return (PeriodStatisticType)GetValue(PeriodTypeProperty); }
			set { SetValue(PeriodTypeProperty, value); }
		}

		private static void OnPeriodTypeChanged(DependencyObject d, DependencyPropertyChangedEventArgs e)
		{
			((PeriodRevenueStatisticsView)d).ApplyPeriodType((PeriodStatisticType)e.NewValue);
		}

		private void ApplyPeriodType(PeriodStatisticType periodType)
		{
			DataContext = new PeriodRevenueStatisticsViewModel(periodType);
		}
	}
}