using System;
using System.Collections.Generic;
using System.ComponentModel;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;
using wispro.sp.entity.workflowDefine;

namespace wispro.sp.share.Utility
{
    public class UserConditionHelper
    {
        public static string UserFieldLabel(UserField userField, string bindObjectType)
        {
            switch (userField.UserConditionType)
            {
                case UserConditionType.Department:
                    return $"部门:{userField.Department}";
                    break;
                case UserConditionType.DepartmentPosition:
                    return $"[部门:{userField.Department}].[职位:{userField.Positon}]";
                    break;
                case UserConditionType.UserDepartment:
                    switch (userField.UserType)
                    {
                        case UserType.BindObjectProperty:
                            Type t = Type.GetType(bindObjectType);
                            return $"{ObjectHelper.GetPropertyDescription(userField.UserValue, bindObjectType)}部门";
                            break;
                        case UserType.DoActionUser:
                            return $"[{userField.UserValue}处理人部门]";
                            break;
                        case UserType.LoginUser:
                            return $"[登录用户部门]";
                            break;
                        case UserType.Staff:
                            return $"[{userField.UserValue}部门]";
                            break;
                    }
                    break;
                case UserConditionType.UserDepartmentPosition:
                    switch (userField.UserType)
                    {
                        case UserType.BindObjectProperty:
                            return $"[{ObjectHelper.GetPropertyDescription(userField.UserValue, bindObjectType)}部门职位:{userField.Positon}]";
                            break;
                        case UserType.DoActionUser:
                            return $"[{userField.UserValue}处理人部门职位:{userField.Positon}]";
                            break;
                        case UserType.LoginUser:
                            return $"[登录用户部门职位:{userField.Positon}]";
                            break;
                        case UserType.Staff:
                            break;
                    }
                    break;
                case UserConditionType.Staff:
                    switch (userField.UserType)
                    {
                        case UserType.BindObjectProperty:
                            return $"[{ObjectHelper.GetPropertyDescription(userField.UserValue, bindObjectType)}";
                            break;
                        case UserType.DoActionUser:
                            return $"[{userField.UserValue}处理人].[部门].[职位:{userField.Positon}]";
                            break;
                        case UserType.LoginUser:
                            return "登录用户";
                            break;
                        case UserType.Staff:
                            return $"用户:{userField.UserValue}";
                            break;
                    }
                    break;

            }

            return "";
        }

        public static Dictionary<string,string> GetPropertyDescription<T>(string stringType)
        {
            Dictionary<string, string> retDic = new Dictionary<string, string>();

            Type type = Type.GetType(stringType); 
            foreach(var property in type.GetProperties())
            {
                if(property.PropertyType == typeof(T))
                {
                    DescriptionAttribute att =
                        property.GetCustomAttribute(typeof(DescriptionAttribute)) as DescriptionAttribute;

                    if (att == null)
                    {
                        retDic.Add(property.Name, property.Name);
                    }
                    else
                    {
                        retDic.Add(att.Description, property.Name);
                    }
                }
            }

            return retDic;
        }
    }
}