using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Drawing;
using System.Data;
using System.Linq;
using System.Text;
using System.Windows.Forms;
using POSV.Utils;
using System.Threading.Tasks;
using POSV.Entity;
using POSV.Bean;
using POSV.MessageEvent;
using POS.Language.Language;

namespace POSV.Component
{
    [ToolboxItem(true)]
    public partial class ShoppingCartParameter : AbstractParameter
    {
        /// <summary>
        /// 默认参数
        /// </summary>
        private string[] rowHeight = { "20" , "25" , "30" , "35" , "40" , "45" };

        ///// <summary>
        ///// 修改前的数据
        ///// </summary>
        //private Dictionary<string , string> _oldValue = new Dictionary<string , string>();

        ///// <summary>
        ///// 修改后的数据
        ///// </summary>
        //private Dictionary<string , string> _newValue = new Dictionary<string , string>();

        /// <summary>
        /// 初始化标识
        /// </summary>
        private bool _inited = false;

        private ShoppingCartItem cartItem = null;

        public ShoppingCartParameter()
        {
            InitializeComponent();
        }

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

            if (this.DesignMode) return;

            this.BackColor = Color.Transparent;

            //字体支持列表
            this.comboBoxFontSize.DataSource = System.Enum.GetNames(typeof(SystemFont));
            //设置系统默认的行高度
            this.comboBoxRowHeight.DataSource = rowHeight;

            this.InitUi();
        }

        /// <summary>
        /// 初始化界面
        /// </summary>
        private void InitUi()
        {
            //界面加载开始
            this._inited = false;

            Task.Factory.StartNew(() =>
            {
                Dictionary<string , string> data = null;

                //获取品项分组下的全部参数
                using (var db = Global.Instance.OpenDataBase)
                {
                    data = db.Dictionary<string , string>(string.Format(SqlConstant.ConfigQueryByGroupToDictionary , ConfigConstant.CART_GROUP));
                }

                //将新增加或者变更的参数重新更新到数据库
                var defaultValue = ConfigConstant.CartGroupDefaultValue();

                //数据库有配置参数
                if (data != null)
                {
                    var diff = defaultValue.Where(kvp => !data.ContainsKey(kvp.Key)).ToDictionary(kvp => kvp.Key , kvp => kvp.Value);

                    if (diff != null && diff.Keys.Count > 0)
                    {
                        var list = new List<Config>();
                        foreach (var v in diff)
                        {
                            var config = new Config();
                            config.Id = IdWorkerUtils.Instance.NextId();
                            config.Group = ConfigConstant.CART_GROUP;
                            config.TenantId = Global.Instance.Authc.TenantId;
                            config.Keys = v.Key;
                            config.Values = v.Value;

                            list.Add(config);
                        }
                        //如果数据表中没有配置group相关的信息，更新差异
                        this.SaveChanged(list);

                        //将差异合并到data，避免再次访问数据库
                        data = data.Concat(diff).ToDictionary(x => x.Key , x => x.Value);
                    }
                }
                else
                {
                    //加载系统默认参数
                    var list = new List<Config>();
                    foreach (var v in defaultValue)
                    {
                        var config = new Config();
                        config.Id = IdWorkerUtils.Instance.NextId();
                        config.Group = ConfigConstant.CART_GROUP;
                        config.TenantId = Global.Instance.Authc.TenantId;
                        config.Keys = v.Key;
                        config.Values = v.Value;

                        list.Add(config);
                    }

                    //如果数据表中没有配置group相关的信息，保存
                    this.SaveChanged(list);
                }


                return data;
            }).ContinueWith(task =>
            {
                if (task.IsFaulted)
                {
                    LOGGER.Error(task.Exception.GetBaseException() , "加载点单列表设置参数异常");
                }
                else
                {
                    this.Invoke(new Action(() =>
                    {
                        BindUi(task.Result);
                    }));
                }
            });
        }

        private void BindUi(Dictionary<string , string> data)
        {
            ////变更前的数据单独存储
            //_oldValue.Clear();
            //_oldValue = ObjectUtils.Copy<Dictionary<string , string>>(data);
            ////清理历史变更数据
            //_newValue.Clear();

            //点单列表显示定义
            string json = data[ConfigConstant.CART_JSON_TEMPLATE].ToString();

            //将JSON转换为行对象
            this.cartItem = JsonUtils.Deserialize<ShoppingCartItem>(json);

            /***********************点单列表定义****************************/
            //将JSON转换为行对象
            var rows = cartItem.Rows;

            foreach (CartRow row in rows)
            {
                switch (row.Order)
                {
                    case 1:
                        this.labelX40.Text = row.Order.ToString();
                        this.labelX35.Text = LangProxy.ToLang( row.Text);
                        this.textBoxX1.Text = row.Alias;
                        this.checkBoxX62.Checked = row.Display;
                        this.numericTextBox1.Text = row.Width.ToString();
                        break;
                    case 2:
                        this.labelX41.Text = row.Order.ToString();
                        this.labelX31.Text = LangProxy.ToLang(row.Text);
                        this.textBoxX2.Text = row.Alias;
                        this.checkBoxX57.Checked = row.Display;
                        this.numericTextBox2.Text = row.Width.ToString();
                        break;
                    case 3:
                        this.labelX42.Text = row.Order.ToString();
                        this.labelX32.Text = row.Text;
                        this.textBoxX4.Text = row.Alias;
                        this.checkBoxX58.Checked = row.Display;
                        this.numericTextBox3.Text = row.Width.ToString();
                        break;
                    case 4:
                        this.labelX43.Text = row.Order.ToString();
                        this.labelX36.Text = LangProxy.ToLang(row.Text);
                        this.textBoxX3.Text = row.Alias;
                        this.checkBoxX63.Checked = row.Display;
                        this.numericTextBox4.Text = row.Width.ToString();
                        break;
                    case 5:
                        this.labelX44.Text = row.Order.ToString();
                        this.labelX33.Text = LangProxy.ToLang(row.Text);
                        this.textBoxX5.Text = row.Alias;
                        this.checkBoxX59.Checked = row.Display;
                        this.numericTextBox5.Text = row.Width.ToString();
                        break;
                    case 6:
                        this.labelX45.Text = row.Order.ToString();
                        this.labelX34.Text = LangProxy.ToLang(row.Text);
                        this.textBoxX6.Text = row.Alias;
                        this.checkBoxX61.Checked = row.Display;
                        this.numericTextBox6.Text = row.Width.ToString();
                        break;
                    case 7:
                        this.labelX101.Text = row.Order.ToString();
                        this.labelX102.Text = LangProxy.ToLang(row.Text);
                        this.textBoxX34.Text = row.Alias;
                        this.checkBoxX4.Checked = row.Display;
                        this.numericTextBox7.Text = row.Width.ToString();
                        break;
                    case 8:
                        this.labelX1.Text = row.Order.ToString();
                        this.labelX2.Text = LangProxy.ToLang(row.Text);
                        this.textBoxX7.Text = row.Alias;
                        this.checkBoxX1.Checked = row.Display;
                        this.numericTextBox8.Text = row.Width.ToString();
                        break;
                }
            }

            //背景色
            this.comboBoxColor1.Color = ColorTranslator.FromHtml(cartItem.TitleColor);
            //字体大小
            SystemFont fontSize = cartItem.TitleFont;
            this.comboBoxFontSize.SelectedIndex = this.comboBoxFontSize.FindString(fontSize.ToString());
            //字体颜色
            this.comboBoxTextColor.Color = ColorTranslator.FromHtml(cartItem.TextColor);
            //高度
            this.comboBoxRowHeight.Text = cartItem.RowHeight.ToString();


            //界面加载完成
            this._inited = true;
        }

        public List<Config> NewChanged()
        {
            var result = new List<Config>();

            if (!this._inited) return result;

            var newItem = new ShoppingCartItem();

            var rows = new List<CartRow>();

            var row = new CartRow();
            row.Name = "order";
            row.Order = Convert.ToInt32(this.labelX40.Text.Trim());
            row.Text = this.labelX35.Text.Trim();
            row.Alias = this.textBoxX1.Text.Trim();
            row.Display = this.checkBoxX62.Checked;
            row.Width = this.numericTextBox1.IntegerValue;
            rows.Add(row);

            row = new CartRow();
            row.Name = "name";
            row.Order = Convert.ToInt32(this.labelX41.Text.Trim());
            row.Text = this.labelX31.Text.Trim();
            row.Alias = this.textBoxX2.Text.Trim();
            row.Display = this.checkBoxX57.Checked;
            row.Width = this.numericTextBox2.IntegerValue;
            rows.Add(row);
            
            row = new CartRow();
            row.Name = "quantity";
            row.Order = Convert.ToInt32(this.labelX42.Text.Trim());
            row.Text = this.labelX32.Text.Trim();
            row.Alias = this.textBoxX4.Text.Trim();
            row.Display = this.checkBoxX58.Checked;
            row.Width = this.numericTextBox3.IntegerValue;
            rows.Add(row);
            
            row = new CartRow();
            row.Name = "unit";
            row.Order = Convert.ToInt32(this.labelX43.Text.Trim());
            row.Text = this.labelX36.Text.Trim();
            row.Alias = this.textBoxX3.Text.Trim();
            row.Display = this.checkBoxX63.Checked;
            row.Width = this.numericTextBox4.IntegerValue;
            rows.Add(row);
            
            row = new CartRow();
            row.Name = "price";
            row.Order = Convert.ToInt32(this.labelX44.Text.Trim());
            row.Text = this.labelX33.Text.Trim();
            row.Alias = this.textBoxX5.Text.Trim();
            row.Display = this.checkBoxX59.Checked;
            row.Width = this.numericTextBox5.IntegerValue;
            rows.Add(row);

            row = new CartRow();
            row.Name = "amount";
            row.Order = Convert.ToInt32(this.labelX45.Text.Trim());
            row.Text = this.labelX34.Text.Trim();
            row.Alias = this.textBoxX6.Text.Trim();
            row.Display = this.checkBoxX61.Checked;
            row.Width = this.numericTextBox6.IntegerValue;
            rows.Add(row);

            row = new CartRow();
            row.Name = "discount";
            row.Order = Convert.ToInt32(this.labelX101.Text.Trim());
            row.Text = this.labelX102.Text.Trim();
            row.Alias = this.textBoxX34.Text.Trim();
            row.Display = this.checkBoxX4.Checked;
            row.Width = this.numericTextBox7.IntegerValue;
            rows.Add(row);
            
            row = new CartRow();
            row.Name = "scheme";
            row.Order = Convert.ToInt32(this.labelX1.Text.Trim());
            row.Text = this.labelX2.Text.Trim();
            row.Alias = this.textBoxX7.Text.Trim();
            row.Display = this.checkBoxX1.Checked;
            row.Width = this.numericTextBox8.IntegerValue;
            rows.Add(row);

            //列表
            newItem.Rows = rows;

            //高度
            int rowHeight = 0;
            int.TryParse(this.comboBoxRowHeight.Text , out rowHeight);
            newItem.RowHeight = rowHeight;
            //字体大小
            SystemFont fontSize = SystemFont.默认;
            Enum.TryParse(this.comboBoxFontSize.SelectedItem.ToString() , out fontSize);
            newItem.TitleFont = fontSize;
            //字体颜色
            newItem.TextColor = ColorTranslator.ToHtml(this.comboBoxTextColor.Color);
            //背景色1
            newItem.TitleColor = ColorTranslator.ToHtml(this.comboBoxColor1.Color);


            //判断是否更改，如果过更改压入到 NewValue
            bool isChanged = !(newItem.Equals(this.cartItem));
            if (isChanged)
            {
                //this._newValue[ConfigConstant.CART_JSON_TEMPLATE] = JsonUtils.Serialize(newItem);

                var config = new Config();

                config.Id = IdWorkerUtils.Instance.NextId();
                config.Group = ConfigConstant.CART_GROUP;
                config.TenantId = Global.Instance.Authc.TenantId;
                config.Keys = ConfigConstant.CART_JSON_TEMPLATE;
                config.Values = JsonUtils.Serialize(newItem);

                result.Add(config);

            }

            ////转换为Config对象，便于存储
            //foreach (var v in this._newValue)
            //{
            //    var config = new Config();

            //    config.Id = IdWorkerUtils.Instance.NextId();
            //    config.Group = ConfigConstant.CART_GROUP;
            //    config.TenantId = Global.Instance.Authc.TenantId;
            //    config.Keys = v.Key;
            //    config.Values = v.Value;

            //    result.Add(config);
            //}

            return result;
        }



        public Tuple<bool , string> SaveChanged(List<Config> data)
        {
            bool isSuccess = true;
            string message = "参数更新成功";
            try
            {
                using (var db = Global.Instance.OpenDataBase)
                {
                    using (var trans = db.GetTransaction())
                    {
                        foreach (var config in data)
                        {
                            db.Save(config);
                        }
                        trans.Complete();
                    }
                }
            }
            catch (Exception ex)
            {
                isSuccess = false;
                message = "参数更新异常";

                LOGGER.Error(ex , message);
            }
            finally
            {
                if (isSuccess)
                {
                    ////新修改后的参数应用后，重置OldValue，避免用户在没有切换Tab情况下，直接修改当前Tab内容
                    //foreach (var config in data)
                    //{
                    //    string key = config.Keys;
                    //    string value = config.Values;
                    //    this._oldValue[key] = value;
                    //}

                    //this._newValue.Clear();

                    //更新控件UI
                    UpdateCartUi();

                }
            }

            return new Tuple<bool , string>(isSuccess , message);
        }
        private void UpdateCartUi()
        {
            Config config = null;
            using (var db = Global.Instance.OpenDataBase)
            {
                string sql = string.Format(SqlConstant.ConfigQueryByGroupAndKey , ConfigConstant.CART_GROUP , ConfigConstant.CART_JSON_TEMPLATE);
                config = db.SingleOrDefault<Config>(sql);
            }

            if (config != null)
            {
                var item = JsonUtils.Deserialize<ShoppingCartItem>(config.Values);
                //发送分组通知
                MsgEvent.Send(Constant.CART_CHANGED_NOTIFY , item);
            }

        }

    }

}