using System;
using System.Collections.Generic;
using System.Linq;
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.Shapes;
using Sln.Wcs.Model.Domain;
using SqlSugar;

namespace Sln_Wpf.Page
{
    /// <summary>
    /// LocationStatisticsWindow.xaml 的交互逻辑
    /// </summary>
    public partial class LocationStatisticsWindow : Window
    {
        private readonly ISqlSugarClient _db;
        public LocationStatisticsWindow(ISqlSugarClient db)
        {
            InitializeComponent();
            _db = db;
            LoadStatistics();
        }

        /// <summary>
        /// 加载统计数据
        /// </summary>
        private async void LoadStatistics()
        {
            try
            {
                // 查询所有库位数据
                var locations = await _db.Queryable<BaseLocation>().ToListAsync();

                int total = locations.Count;
                int occupied = locations.Count(x => x.LocationStatus == 1); // 1-占用
                int free = locations.Count(x => x.LocationStatus == 0);      // 0-空闲
                int maintenance = locations.Count(x => x.LocationStatus == 2); // 2-维护

                // 更新显示
                TxtTotalLocations.Text = total.ToString();
                TxtOccupiedLocations.Text = occupied.ToString();
                TxtFreeLocations.Text = free.ToString();
                TxtMaintenanceLocations.Text = maintenance.ToString();

                // 计算使用率
                double usageRate = total > 0 ? (double)occupied / total * 100 : 0;
                TxtUsageRate.Text = $"{usageRate:F1}%";
                UsageProgressBar.Value = usageRate;

                // 根据使用率改变进度条颜色
                if (usageRate < 50)
                {
                    UsageProgressBar.Foreground = new System.Windows.Media.SolidColorBrush(
                        (System.Windows.Media.Color)System.Windows.Media.ColorConverter.ConvertFromString("#27AE60"));
                }
                else if (usageRate < 80)
                {
                    UsageProgressBar.Foreground = new System.Windows.Media.SolidColorBrush(
                        (System.Windows.Media.Color)System.Windows.Media.ColorConverter.ConvertFromString("#F39C12"));
                }
                else
                {
                    UsageProgressBar.Foreground = new System.Windows.Media.SolidColorBrush(
                        (System.Windows.Media.Color)System.Windows.Media.ColorConverter.ConvertFromString("#E74C3C"));
                }
            }
            catch (Exception ex)
            {
                MessageBox.Show($"加载统计数据失败: {ex.Message}", "错误", MessageBoxButton.OK, MessageBoxImage.Error);
            }
        }

        /// <summary>
        /// 刷新按钮点击
        /// </summary>
        private void BtnRefresh_Click(object sender, RoutedEventArgs e)
        {
            LoadStatistics();
        }

        /// <summary>
        /// 关闭按钮点击
        /// </summary>
        private void BtnClose_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }

        private void BtnCloseBottom_Click(object sender, RoutedEventArgs e)
        {
            this.Close();
        }

        /// <summary>
        /// 窗口拖拽
        /// </summary>
        private void Window_MouseLeftButtonDown(object sender, MouseButtonEventArgs e)
        {
            if (e.ButtonState == MouseButtonState.Pressed)
            {
                this.DragMove();
            }
        }

    }
}