using HotelPms.Share.Data;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Reflection;
using System.Text;
using System.Threading.Tasks;

namespace HotelPms.Share.Util
{
    /// <summary>
    /// ソースコード自動作成
    /// </summary>
    public static class ScriptCreator
    {
        /// <summary>
        ///   クラス名でCreateInstance
        /// </summary>
        /// <param name="hoObj">hoObj</param>
        /// <returns>string</returns>
        public static object ClassForName(string codeBase, string hsClsName)
        {
            System.Reflection.Assembly woAssem = null;
            Type woType = null;
            try
            {
                woAssem = System.Reflection.Assembly.Load(codeBase);
                woType = woAssem.GetType(hsClsName);
                return Activator.CreateInstance(woType);
            }
            catch(Exception ex)
            {
                return null;
            }
        }

        /// <summary>
        ///   クラス名でCreateInstance
        /// </summary>
        /// <param name="hoObj">hoObj</param>
        /// <returns>string</returns>
        public static object ClassForName(string hsClsName)
        {
            return ClassForName(System.Reflection.Assembly.GetExecutingAssembly().GetName().Name, hsClsName);
        }

        /// <summary>
        /// クラス ⇒　テキストボックス
        /// </summary>
        /// <param name="codeBase"></param>
        /// <param name="className"></param>
        /// <returns></returns>
        public static string GetClassToTextBox(string codeBase, string className)
        {
            StringBuilder sb = new StringBuilder();
            object item = ClassForName(codeBase, className);
            Type type = item.GetType();
            PropertyInfo[] infos = type.GetProperties();
            foreach (PropertyInfo field in infos)
            {
                string name = field.Name;
                if (field.PropertyType.FullName.Contains("System.Collections.Generic.List")) { continue; }
                if (field.PropertyType.FullName.Contains("System.Data.DataSet")) { continue; }
                if (field.PropertyType.FullName.Contains("System.Object")) { continue; }

                if ("System.Boolean".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"txt{name}.Text = item.{name} ? \"1\" : \"0\";");
                }
                else if ("System.Decimal".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"txt{name}.Text = item.{name}.ToString();");
                }
                else if ("System.Int32".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"txt{name}.Text = item.{name}.ToString();");
                }
                else if ("System.String".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"txt{name}.Text = item.{name};");
                }
                else if ("System.DateTime".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"txt{name}.Text = CConvert.ToDateString(item.{name});");
                }
                else if ("customTypes.Date".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"txt{name}.Text = CConvert.ToDateString(item.{name}.ToDateTime());");
                }
                else if ("customTypes.DecimalValue".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"txt{name}.Text = item.{name}.ToText();");
                }
                else if ("Google.Protobuf.WellKnownTypes.Timestamp".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"txt{name}.Text = CConvert.ToDateString(item.{name}.ToDateTime());");
                }
                else
                {
                    continue;
                }
            }
            return sb.ToString();
        }

        /// <summary>
        /// テキストボックス⇒クラス
        /// </summary>
        /// <param name="codeBase">Projectの名称：例えば Forms、Lib</param>
        /// <param name="className"></param>
        /// <returns></returns>
        public static string GetTextBoxToClass(string codeBase, string className)
        {
            StringBuilder sb = new StringBuilder();
            object item = ClassForName(codeBase, className);
            Type type = item.GetType();
            PropertyInfo[] infos = type.GetProperties();
            foreach(PropertyInfo field in infos)
            {
                string name = field.Name;
                if (field.PropertyType.FullName.Contains("System.Collections.Generic.List")) { continue; }
                if (field.PropertyType.FullName.Contains("System.Data.DataSet")) { continue; }
                if (field.PropertyType.FullName.Contains("System.Object")) { continue; }

                if ("System.Boolean".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"item.{name} = CConvert.ToBool(txt{name}.Text);");
                }
                else if ("System.Decimal".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"item.{name} = CConvert.ToDecimal(txt{name}.Text);");
                }
                else if ("System.Int32".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"item.{name} = CConvert.ToInt(txt{name}.Text);");
                }
                else if ("System.String".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"item.{name} = txt{name}.Text;");
                }
                else if ("System.DateTime".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"item.{name} = CConvert.ToDateTime(txt{name}.Text);");
                }
                else if ("customTypes.Date".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"item.{name} = new Date(CConvert.ToDateInt(txt{name}.Text));");
                }
                else if ("customTypes.DecimalValue".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"item.{name} = CConvert.ToDecimal(txt{name}.Text);");
                }
                else if ("Google.Protobuf.WellKnownTypes.Timestamp".Equals(field.PropertyType.FullName))
                {
                    sb.AppendLine($"item.{name} = CConvert.ToTimestamp(CConvert.ToDateTime(txt{name}.Text));");
                }
                else
                {
                    continue;
                }
            }
            return sb.ToString();
        }
    }
}