using LB_SmartVision.Forms.Pages.CameraPage;
using LB_SmartVision.Forms.Pages.ProcessPage;
using LB_SmartVision.Forms.Pages.SettingPage;
using LB_SmartVision.ProcessRun;
using LB_SmartVision.SQL;
using LB_SmartVisionCommon;
using LB_VisionControl;
using LB_VisionProcesses;
using Newtonsoft.Json;
using Newtonsoft.Json.Serialization;
using System.Collections.Concurrent;
using System.Data;
using System.Security.Principal;
using System.Text;
using System.Windows.Forms;
using VisionControl.Forms;
using static System.Windows.Forms.VisualStyles.VisualStyleElement.StartPanel;

namespace LB_SmartVision.Forms.Pages.UserManagementPage
{
    public partial class UserManagementEditPage : UserControl
    {
        public Action<string, LogInfoType> LogInfo;
        List<RecordUserData> recordUserDatas = new List<RecordUserData>();

        public UserManagementEditPage()
        {
            Name = "UserManagementEditPage";
            Text = "用户管理设置";

            InitializeComponent();
            InitializeComboBox();
            InitializeDataGridView();

        }

        /// <summary>
        /// 表格初始化
        /// </summary>
        private void InitializeDataGridView()
        {
            this.dataGridViewUM.DataSource = recordUserDatas;
            // 设置DataGridView列宽
            dataGridViewUM.AutoSizeColumnsMode = DataGridViewAutoSizeColumnsMode.Fill;
        }

        /// <summary>
        /// 权限下拉框初始化
        /// </summary>
        private void InitializeComboBox()
        {
            // 添加权限选项
            foreach (var item in Enum.GetValues(typeof(UserPermission)))
            {
                comboBoxPermission.Items.Add(item.ToString());
            }
            //comboBoxPermission.Items.Add("操作员");

            // 设置默认选择项
            comboBoxPermission.SelectedIndex = 0;
        }

        private void ClearInputFields()
        {
            textBoxUsername.Clear();
            textBoxPassword.Clear();
            textBoxName.Clear();
            textBoxEmployeeID.Clear();
            comboBoxPermission.SelectedIndex = 0;
            textBoxUsername.Focus(); // 将焦点设置回用户名输入框
        }

        #region 添加用户按钮
        private void btnAdd_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;
            }

            RecordUserData user = new RecordUserData();
            user.EmployeeNumber = this.textBoxEmployeeID.Text;
            user.EmployeeAccount = this.textBoxUsername.Text;
            user.EmployeePassword = this.textBoxPassword.Text;
            user.EmployeeName = this.textBoxName.Text;
            user.EmployeePermission = (UserPermission)this.comboBoxPermission.SelectedIndex;
            // 添加到 UserManager
            bool success = UserManager.Instance.AddUser(user);

            if (success)
            {
                recordUserDatas.Add(user);

                //MessageBox.Show("用户添加成功！", "提示",
                //    MessageBoxButtons.OK, MessageBoxIcon.Information);

                // 清空输入框
                ClearInputFields();
            }
            else
            {
                MessageBox.Show("添加用户失败！", "错误",
                    MessageBoxButtons.OK, MessageBoxIcon.Error);
            }

        }
        #endregion

        #region 删除用户按钮
        private void btnDel_Click(object sender, EventArgs e)
        {
            if (dataGridViewUM.SelectedRows.Count > 0)
            {
                // 获取选中的行
                DataGridViewRow selectedRow = dataGridViewUM.SelectedRows[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)
                {
                    try
                    {
                        // 先获取要删除的数据
                        string employeeNumber = selectedRow.Cells[0].Value?.ToString();

                        if (!string.IsNullOrEmpty(employeeNumber))
                        {
                            // 1. 从数据源删除
                            var dataSource = dataGridViewUM.DataSource as List<RecordUserData>;
                            if (dataSource != null)
                            {
                                var itemToRemove = dataSource.FirstOrDefault(u => u.EmployeeNumber == employeeNumber);
                                if (itemToRemove != null)
                                {
                                    dataSource.Remove(itemToRemove);
                                }
                            }

                            // 2. 从用户管理器删除
                            UserManager.Instance.DeleteUser(employeeNumber);

                            // 3. 刷新数据绑定
                            dataGridViewUM.DataSource = null;
                            dataGridViewUM.DataSource = dataSource;

                            //MessageBox.Show("删除成功！", "提示",
                            //    MessageBoxButtons.OK, MessageBoxIcon.Information);
                        }
                    }
                    catch (Exception ex)
                    {
                        MessageBox.Show($"删除失败: {ex.Message}", "错误",
                            MessageBoxButtons.OK, MessageBoxIcon.Error);
                    }
                }
            }
            else
            {
                MessageBox.Show("请先选择要删除的行！", "提示",
                    MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
        }
        #endregion
        private int editingRowIndex = -1;
        private bool isEditingMode = false;
        private string originalButtonText = "修改";
        #region 修改用户信息
        private void btnEdit_Click(object sender, EventArgs e)
        {
            // 单元格可编辑
            //dataGridViewUM.ReadOnly = false;
            // 第一次点击：进入修改模式
            if (!isEditingMode)
            {
                // 检查是否选择了行
                if (dataGridViewUM.SelectedRows.Count == 0)
                {
                    MessageBox.Show("请先选择要修改的行！", "提示",
                        MessageBoxButtons.OK, MessageBoxIcon.Warning);
                    return;
                }

                // 获取选中的行索引
                editingRowIndex = dataGridViewUM.SelectedRows[0].Index;

                // 将选中行的数据填充到TextBox中
                FillFormWithRowData(editingRowIndex);

                // 更改按钮文本
                btnEdit.Text = "完成";

                // 进入编辑模式
                isEditingMode = true;

                // 禁用添加按钮（可选）
                btnAdd.Enabled = false;

                // 设置焦点到用户名输入框
                textBoxUsername.Focus();

                // 高亮显示正在编辑的行（可选）
                dataGridViewUM.Rows[editingRowIndex].DefaultCellStyle.BackColor = Color.LightYellow;
            }
            // 第二次点击：保存修改
            else
            {
                // 验证输入
                if (string.IsNullOrWhiteSpace(textBoxUsername.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;
                }

                // 更新DataGridView中的行数据
                UpdateRowData(editingRowIndex);

                // 恢复按钮文本
                btnEdit.Text = originalButtonText;

                // 退出编辑模式
                isEditingMode = false;
                editingRowIndex = -1;

                // 启用添加按钮（可选）
                btnAdd.Enabled = true;

                // 恢复行颜色（可选）
                dataGridViewUM.DefaultCellStyle.BackColor = Color.White;

                // 清空输入框
                ClearInputFields();

                RecordUserData user = new RecordUserData();
                user.EmployeeNumber = this.textBoxEmployeeID.Text;
                user.EmployeeAccount = this.textBoxUsername.Text;
                user.EmployeePassword = this.textBoxPassword.Text;
                user.EmployeeName = this.textBoxName.Text;
                user.EmployeePermission = (UserPermission)this.comboBoxPermission.SelectedIndex;
                UserManager.Instance.UpdateUser(user);

                //MessageBox.Show("修改完成！", "提示",
                //    MessageBoxButtons.OK, MessageBoxIcon.Information);
            }
        }

        private void FillFormWithRowData(int rowIndex)
        {
            if (rowIndex >= 0 && rowIndex < dataGridViewUM.Rows.Count)
            {
                DataGridViewRow row = dataGridViewUM.Rows[rowIndex];

                // 填充用户名
                if (row.Cells[0].Value != null)
                    textBoxUsername.Text = row.Cells[0].Value.ToString();
                else
                    textBoxUsername.Text = "";

                // 填充姓名
                if (row.Cells[1].Value != null)
                    textBoxName.Text = row.Cells[1].Value.ToString();
                else
                    textBoxName.Text = "";

                // 填充工号
                if (row.Cells[2].Value != null)
                    textBoxEmployeeID.Text = row.Cells[2].Value.ToString();
                else
                    textBoxEmployeeID.Text = "";

                // 填充权限
                if (row.Cells[3].Value != null)
                {
                    string permission = row.Cells[3].Value.ToString();
                    int index = comboBoxPermission.FindString(permission);
                    if (index >= 0)
                        comboBoxPermission.SelectedIndex = index;
                    else
                        comboBoxPermission.SelectedIndex = 0;
                }
                else
                {
                    comboBoxPermission.SelectedIndex = 0;
                }

                // 密码框清空（通常不会显示密码）
                textBoxPassword.Clear();
                // 如果需要修改密码，可以添加注释或占位符
                //textBoxPassword.PlaceholderText = "如需修改密码请填写";
            }
        }
        private void UpdateRowData(int rowIndex)
        {
            if (rowIndex >= 0 && rowIndex < dataGridViewUM.Rows.Count)
            {
                DataGridViewRow row = dataGridViewUM.Rows[rowIndex];

                // 更新用户名
                row.Cells[0].Value = textBoxUsername.Text;

                // 如果密码不为空，则更新密码（实际应用中应加密）
                if (!string.IsNullOrWhiteSpace(textBoxPassword.Text))
                {
                    // 这里可以添加密码加密逻辑
                    // row.Cells[1].Value = EncryptPassword(textBoxPassword.Text);
                }

                // 更新姓名
                row.Cells[1].Value = textBoxName.Text;

                // 更新工号
                row.Cells[2].Value = textBoxEmployeeID.Text;

                // 更新权限
                row.Cells[3].Value = comboBoxPermission.SelectedItem.ToString();
            }
        }
        #endregion


        #region 查询用户信息
        private void btnFind_Click(object sender, EventArgs e)
        {
            List<RecordUserData> recordUserDatas = UserManager.Instance.GetAllUsers();
            this.dataGridViewUM.DataSource = recordUserDatas;
            this.dataGridViewUM.AutoGenerateColumns = true;
        }
        #endregion

    }
}