using MuchInfo.Chart.Data.Models;
using MuchInfo.Chart.DataAdapter;
using System.Windows;
using System.Windows.Controls;

namespace MuchInfo.Chart.WPF.Helpers
{
    public class FormulaHelper
    {
        /// <summary>
        /// 创建 指标菜单
        /// </summary>
        /// <param name="fileName">(flieName为空时取Main指标所在的指标)</param>
        /// <param name="indicatorHandler">选择指标时处理函数</param>
        /// <returns></returns>
        public static MenuItem CreateIndicatorMenu(string fileName, RoutedEventHandler indicatorHandler)
        {
            IDataService iDataService = new DataService();

            var spaceModel = iDataService.LoadSpaceFromFile(fileName);
            if (spaceModel != null)
            {
                MenuItem modelItem = new MenuItem();
                modelItem.Header = spaceModel.SpaceName;
                modelItem.Tag = spaceModel;
                MenuByRecursion(modelItem, spaceModel, indicatorHandler);
                return modelItem;
            }
            return null;
        }

        /// <summary>
        /// 加载指标分类
        /// </summary>
        /// <param name="fileName">指标地址</param>
        /// <returns></returns>
        public static SpaceModel LoadIndicatorSpaceModel(string fileName)
        {
            IDataService iDataService = new DataService();

            return iDataService.LoadSpaceFromFile(fileName);
        }

        /// <summary>
        /// 递归生成指标
        /// </summary>
        /// <param name="parentItem">父菜单</param>
        /// <param name="spaceModel">转换父菜单的对象</param>
        ///        /// <param name="indicatorHandler">选择指标时处理函数</param>
        private static void MenuByRecursion(MenuItem parentItem, SpaceModel spaceModel,
            RoutedEventHandler indicatorHandler)
        {
            foreach (var space in spaceModel.SpaceModels) //加载命名空间
            {
                var modelItem = new MenuItem();
                modelItem.Header = space.SpaceName;
                modelItem.Tag = space;
                parentItem.Items.Add(modelItem);
                MenuByRecursion(modelItem, space, indicatorHandler);
            }
            if (spaceModel.ProgramModels != null)
            {
                foreach (var program in spaceModel.ProgramModels)
                {
                    var programItem = new MenuItem();
                    programItem.Header = program.Name;
                    programItem.Tag = program;
                    programItem.Click += indicatorHandler;
                    parentItem.Items.Add(programItem);
                    //programItem.IsMainView = program.IsMainView;
                }
            }
        }



        /// <summary>
        /// 通过名称查找公式，找不到返回空
        /// </summary>
        /// <param name="Name">名称</param>
        /// <param name="filePath">公式路径</param>
        /// <returns></returns>
        public static FormulaModel GetFormulaByName(string Name, string filePath)
        {
            IDataService iDataService = new DataService();
            var spacel = iDataService.LoadSpaceFromFile(filePath);
            if (spacel != null)
            {
                var programModel = GetProgramModelByName(Name, spacel);
                if (!string.IsNullOrEmpty(programModel.Name))
                {
                    return programModel.CovertToFormulaModel();
                }
            }
            return null;
        }

        /// <summary>
        /// 获取编辑公式
        /// </summary>
        /// <param name="programName">查找的公式名称</param>
        /// <param name="spaceModel">命名空间</param>
        /// <returns></returns>
        private static ProgramModel GetProgramModelByName(string programName, SpaceModel spaceModel)
        {
            //modified By：ouyang.hongbin 
            //TODO;修正查找方法

            //foreach (var programModel in spaceModel.ProgramModels)
            //{
            //    if (programName.Equals(programModel.Name))
            //    {
            //        return programModel;
            //    }
            //}
            //foreach (var spaceItem in spaceModel.SpaceModels)
            //{
            //    return GetProgramModelByName(programName, spaceItem);
            //}
            //return null;

            foreach (var spaceModelItem in spaceModel.SpaceModels)
            {
                foreach (var programModelsItem in spaceModelItem.ProgramModels)
                {
                    if (programName.ToUpper().Equals(programModelsItem.Name.ToUpper()))
                    {
                        return programModelsItem;
                    }
                }
            }
            return null;
        }
    }
}