using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Data;
using System.Drawing;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using POSV.Entity;
using POSV.Utils;

namespace POSV.Component
{
    public partial class AddResourceFormEx : BaseForm
    {
        private List<Resources> _dataSource;

        public AddResourceFormEx()
        {
            InitializeComponent();

            this.ImeMode = ImeMode.On;

            this.controlBox.Text = "注册功能项";
        }

        protected override void OnLoad(EventArgs e)
        {
            base.OnLoad(e);

            this.comboBoxGroup.Items.Clear();
            this.comboBoxGroup.Items.AddRange(Enum.GetNames(typeof(ResourcesGroup)));
            this.comboBoxGroup.SelectedIndex = 0;

            lock (Global.Instance.SyncLock)
            {
                //获取数据库的资源数据
                using (var db = Global.Instance.OpenDataBase)
                {
                    this._dataSource = db.Query<Resources>().ToList();
                }
            }
            

            //如果数据库数据为空
            if (this._dataSource == null)
            {
                this._dataSource = new List<Resources>();
            }

        }

        private void ButtonSaveClick(object sender , EventArgs e)
        {
            bool isException = true;
            try
            {
                if (string.IsNullOrEmpty(txtName.Text.Trim()))
                {
                    this.ShowMessage(this.lblInfo , "资源名称不能为空" , true);
                    txtName.Focus();

                    return;
                }

                if (this._dataSource.Exists(x => x.Name.Equals(txtName.Text.Trim())))
                {
                    this.ShowMessage(this.lblInfo , "资源名称已经存在" , true);
                    txtName.Focus();
                    return;
                }


                if (string.IsNullOrEmpty(txtKeyCode.Text.Trim()))
                {
                    this.ShowMessage(this.lblInfo , "资源标识不能为空" , true);

                    return;
                }

                if (this._dataSource.Exists(x => x.KeyCode.Equals(txtKeyCode.Text.Trim())))
                {
                    this.ShowMessage(this.lblInfo , "资源标识已经存在" , true);
                    txtName.Focus();
                    return;
                }
                
                Resources entity = new Resources();
                entity.Id = IdWorkerUtils.Instance.NextId();
                entity.TenantId = Global.Instance.Authc.TenantId;

                entity.Group = this.comboBoxGroup.SelectedItem.ToString();
                entity.Name = txtName.Text.Trim();
                entity.KeyCode = txtKeyCode.Text.Trim();
                entity.KeyData = txtKeyData.Text.Trim();
                entity.Enable = 1;
                entity.PermissionCode = txtPermission.Text.Trim();

                lock (Global.Instance.SyncLock)
                {
                    using (var db = Global.Instance.OpenDataBase)
                    {
                        using (var transaction = db.GetTransaction())
                        {
                            db.Save<Resources>(entity);
                            transaction.Complete();
                        }
                    }
                }

                isException = false;
            }
            catch (Exception ex)
            {
                isException = true;

                this.ShowMessage(this.lblInfo , "保存资源信息异常" , true);

                LOGGER.Error(ex,"保存资源信息异常");
            }
            finally
            {
                if (!isException)
                {
                    this.DialogResult = DialogResult.OK;
                    this.Close();
                }
            }
            
        }

        private void OnCloseClick(object sender , EventArgs e)
        {
            this.DialogResult = DialogResult.Cancel;
            this.Close();
        }
    }
}