using System;
using System.Collections.Generic;
using System.Reflection;
using System.Xml.Serialization;
using VisionBuilder.Core.Api;

namespace WPFProject.Models
{
    public class Step : NotifyBase
    {
        private static readonly Type InterfaceType = typeof(IStepRunner);
        private static readonly Dictionary<string, Assembly> Cache = new Dictionary<string, Assembly>();
        #region 字段
        [XmlIgnore]
        public Program Program { get; set; }

        [XmlIgnore]
        public Sequence Sequence { get; set; }

        private int _Index;
        public int Index
        {
            get { return _Index; }
            set => RaiseAndSetIfChanged(ref _Index, value);
        }

        private string _Name;
        public string Name
        {
            get { return _Name; }
            set => RaiseAndSetIfChanged(ref _Name, value);
        }

        private string _DllPath = "C:/Users/cheng/source/repos/WPFProject/VisionBuilder.Test/bin/Debug/VisionBuilder.Test.dll";
        public string DllPath
        {
            get { return _DllPath; }
            set => RaiseAndSetIfChanged(ref _DllPath, value);
        }

        private string _ClassName = "VisionBuilder.Test.PluginOne";
        public string ClassName
        {
            get { return _ClassName; }
            set => RaiseAndSetIfChanged(ref _ClassName, value);
        }

        private string _MethodName;
        public string MethodName
        {
            get { return _MethodName; }
            set => RaiseAndSetIfChanged(ref _MethodName, value);
        }

        private string _Description;
        public string Description
        {
            get { return _Description; }
            set => RaiseAndSetIfChanged(ref _Description, value);
        }

        #endregion

        public void RunStep()
        {
            Assembly assembly = Assembly.LoadFrom(DllPath);
            Type type = assembly.GetType(ClassName);
            if (type != null && InterfaceType.IsAssignableFrom(type))
            {
                IStepRunner stepRunner = (IStepRunner)assembly.CreateInstance(ClassName);
                stepRunner.RunStep(Sequence.Program.TempVars);
            }
        }
    }
}