using JY.Inspection.Common;
using System;
using System.Collections;
using System.Collections.Generic;
using System.Data;
using System.IO;
using System.Linq;
using System.Reflection;
using System.Windows.Forms;

namespace JY.Inspection.Frm
{
    public partial class SetForm : MetroFramework.Forms.MetroForm
    {
        UserHelper helper = new UserHelper("");
        List<User> ListUser = new List<User>();
        DataTable dt = new DataTable();
        public SetForm()
        {
            InitializeComponent();
            
            if (File.Exists("user.pt"))
            {
                ListUser = helper.DeSerializedUser("user.pt");
                ShowUserList(ListUser);
            }
        }

        private void SetForm_Load(object sender, EventArgs e)
        {
          
        }

        public void ShowUserList(List<User> List)
        {

            List<User> UpList = new List<User>();
            for (int i = 0; i < List.Count; i++)
            {
                if (i>0)
                {
                    UpList.Add(List[i]);
                }
            }
            dgvManger.DataSource = null;
            dgvManger.DataSource = UpList;
        }

        /// <summary>
        /// 
        /// </summary>
        /// <typeparam name="T"></typeparam>
        /// <param name="collection"></param>
        /// <returns></returns>
        public static DataTable ToDataTable<T>(IEnumerable<T> collection)
        {
            var props = typeof(T).GetProperties();
            var dt = new DataTable();
            dt.Columns.AddRange(props.Select(p => new DataColumn(p.Name, p.PropertyType)).ToArray());
            if (collection.Count() > 0)
            {
                for (int i = 0; i < collection.Count(); i++)
                {
                    ArrayList tempList = new ArrayList();
                    foreach (PropertyInfo pi in props)
                    {
                        object obj = pi.GetValue(collection.ElementAt(i), null);
                        tempList.Add(obj);
                    }
                    object[] array = tempList.ToArray();
                    dt.LoadDataRow(array, true);
                }
            }
            return dt;
        }

        private User GetUser(List<User> list)
        {
            if (txtUser.Text == string.Empty | txtPassWord.Text == string.Empty)
            {
                return null;
            }
            User user = new User();
            user.Index = list[list.Count - 1].Index + 1;
            user.UserName = txtUser.Text;
            user.PassWord = txtPassWord.Text;
            switch (cmbLevel.SelectedIndex)
            {
                case 0:
                    user.Level = Autuority.管理员;
                    break;
                case 1:
                    user.Level = Autuority.工程师;
                    break;
                case 2:
                    user.Level = Autuority.操作员;
                    break;
                default:
                    break;
            }
            return user;
        }

        /// <summary>
        /// 获取表格选中行单元格数据
        /// </summary>
        private void SetUser()
        {
            DataGridViewSelectedRowCollection rowCollection = dgvManger.SelectedRows;
            if (rowCollection.Count == 0)
            {
                return;
            }
            DataGridViewRow row = rowCollection[0];
            txtUser.Text = row.Cells[1].Value.ToString();
            txtPassWord.Text = row.Cells[2].Value.ToString();
            switch (row.Cells[3].Value.ToString())
            {
                case "管理员":
                    cmbLevel.SelectedIndex = 0;
                    break;
                case "工程师":
                    cmbLevel.SelectedIndex = 1;
                    break;
                case "操作员":
                    cmbLevel.SelectedIndex = 2;
                    break;
                default:
                    break;
            }
        }

        /// <summary>
        /// 添加用户
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btAdd_Click(object sender, EventArgs e)
        {
            User user = GetUser(ListUser);
            var res = helper.AddUser("user.pt", ListUser, user);
            if (res)
            {
                MessageBox.Show("添加成功");
                ShowUserList(ListUser);
            }
            else if (user == null)
            {
                MessageBox.Show("添加内容为空");
            }
           
            else
            {
                MessageBox.Show("添加失败");
            }
        }

        /// <summary>
        /// 删除用户
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btDelete_Click(object sender, EventArgs e)
        {

            var res = helper.DeleteUser("user.pt", ListUser, txtUser.Text);
            if (res)
            {
                MessageBox.Show("删除成功");
                ShowUserList(ListUser);
            }
            else
            {
                MessageBox.Show("删除失败");
            }
        }

        private void dgvManger_SelectionChanged(object sender, EventArgs e)
        {
            SetUser();
        }

        /// <summary>
        /// 编辑用户
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        private void btEdit_Click(object sender, EventArgs e)
        {
            User user = GetUser(ListUser);
            var res = helper.EditUser("user.pt", ListUser, user);
            if (res)
            {
                MessageBox.Show("修改成功");
                ShowUserList(ListUser);
            }
            else
            {
                MessageBox.Show("修改失败");
            }
        }

       
    }
}