using System;
using System.Collections.Generic;
using System.ComponentModel.Composition;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Collections.ObjectModel;

using Caliburn.Micro;

namespace AntdWpfDemo.ViewModels
{
    [Export(typeof(IScreen))]
    class DataGridViewModel : Screen
    {
        private ObservableCollection<TestDataModel> _testData;
        public ObservableCollection<TestDataModel> TestData
        {
            get => _testData;
            set
            {
                _testData = value;
                NotifyOfPropertyChange(() => TestData);
            }
        }

        public DataGridViewModel()
        {
            DisplayName = "DataGrid";
            InitializeTestData();
        }

        private void InitializeTestData()
        {
            var random = new Random();
            TestData = new ObservableCollection<TestDataModel>();
            
            string[] names = { "张三", "李四", "王五", "赵六", "钱七" };
            string[] addresses = { "北京市海淀区", "上海市浦东新区", "广州市天河区", "深圳市南山区", "杭州市西湖区" };
            
            for (int i = 1; i <= 20; i++)
            {
                TestData.Add(new TestDataModel
                {
                    Id = i,
                    Name = names[random.Next(names.Length)],
                    Age = random.Next(18, 60),
                    Address = addresses[random.Next(addresses.Length)],
                    CreateTime = DateTime.Now.AddDays(-random.Next(1, 365))
                });
            }
        }
    }

    public class TestDataModel
    {
        public int Id { get; set; }
        public string Name { get; set; }
        public int Age { get; set; }
        public string Address { get; set; }
        public DateTime CreateTime { get; set; }
    }
}