using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Windows.Controls.Primitives;
using System.Windows.Forms;
using System.Xml.Linq;

namespace LB_SmartVision.Forms.Pages.UserManagementPage
{
    public partial class UserManagementForm : Form
    {
        public UserManagementForm()
        {
            InitializeComponent();

            InitializeDataGridView();
            InitializeComboBox();

        }

        private void InitializeDataGridView()
        {
            // 设置DataGridView列
            dataGridView1.ColumnCount = 5;

            // 设置列标题
            dataGridView1.Columns[0].Name = "用户名";
            dataGridView1.Columns[1].Name = "密码";
            dataGridView1.Columns[2].Name = "姓名";
            dataGridView1.Columns[3].Name = "工号";
            dataGridView1.Columns[4].Name = "权限";

            // 设置列宽
            dataGridView1.Columns[0].Width = 112;
            dataGridView1.Columns[1].Width = 112;
            dataGridView1.Columns[2].Width = 112;
            dataGridView1.Columns[3].Width = 112;
            dataGridView1.Columns[4].Width = 112;

            // 禁止编辑单元格（可选）
            dataGridView1.ReadOnly = true;

            // 允许多行选择（可选）
            dataGridView1.MultiSelect = false;

            // 显示行标题（可选）
            dataGridView1.RowHeadersVisible = true;
        }

        private void InitializeComboBox()
        {
            // 添加权限选项
            comboBoxPermission.Items.Add("管理员");
            comboBoxPermission.Items.Add("操作员");

            // 设置默认选择项
            comboBoxPermission.SelectedIndex = 1;
        }

        private void ClearInputFields()
        {
            textBoxUsername.Clear();
            textBoxPassword.Clear();
            textBoxName.Clear();
            textBoxEmployeeID.Clear();
            comboBoxPermission.SelectedIndex = 1;
            textBoxUsername.Focus(); // 将焦点设置回用户名输入框
        }

        private void buttonAddUser_Click(object sender, EventArgs e)
        {
            // 验证输入
            if (string.IsNullOrWhiteSpace(textBoxUsername.Text) ||
                string.IsNullOrWhiteSpace(textBoxPassword.Text) ||
                string.IsNullOrWhiteSpace(textBoxName.Text) ||
                string.IsNullOrWhiteSpace(textBoxEmployeeID.Text))
            {
                MessageBox.Show("请填写所有必填字段！", "提示",
                    MessageBoxButtons.OK, MessageBoxIcon.Warning);
                return;
            }

            // 创建新行数据
            string[] row = new string[]
            {
                textBoxUsername.Text,
                textBoxPassword.Text, // 实际应用中密码应该加密
                textBoxName.Text,
                textBoxEmployeeID.Text,
                comboBoxPermission.SelectedItem.ToString()
            };

            // 设置整个DataGridView的默认字体和颜色
            dataGridView1.DefaultCellStyle.Font = new Font("宋体", 12);
            dataGridView1.DefaultCellStyle.ForeColor = Color.Black;  // 字体颜色
            dataGridView1.DefaultCellStyle.BackColor = Color.White;   // 背景颜色

            // 添加新行到DataGridView
            dataGridView1.Rows.Add(row);

            // 清空输入框
            ClearInputFields();
        }

        private void buttonDelUser_Click(object sender, EventArgs e)
        {
            if (dataGridView1.SelectedRows.Count > 0)
            {
                // 确认删除
                DialogResult result = MessageBox.Show("确定要删除选中的行吗？",
                    "确认删除", MessageBoxButtons.YesNo, MessageBoxIcon.Question);

                if (result == DialogResult.Yes)
                {
                    foreach (DataGridViewRow row in dataGridView1.SelectedRows)
                    {
                        dataGridView1.Rows.Remove(row);
                    }
                }
            }
            else
            {
                MessageBox.Show("请先选择要删除的行！", "提示",
                    MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
        }

        private void themeForm1_Click(object sender, EventArgs e)
        {

        }
    }
}