using Bro.Common.Helper;
using Bro.Common.Interface;
using System;
using System.Collections.Generic;
using System.Reflection;
using static Bro.Common.Helper.EnumHelper;

namespace Bro.Common.Factory
{
    public static class DeviceFactory
    {
        /// <summary>
        /// 根据设备类型名称获取设备对象
        /// </summary>
        /// <param name="deviceTypeName">设备类型名称，如HalconCamera</param>
        /// <returns></returns>
        //public static IDevice GetDeviceInstanceByTypeName(string deviceTypeName)
        //{
        //    Type deviceType = FactoryHelper.GetTypeByAtrributeTypeName(deviceTypeName, DeviceAttributeType.Device);

        //    if (deviceType == null)
        //    {
        //        return null;
        //    }

        //    return Activator.CreateInstance(deviceType) as IDevice;
        //}

        public static IDevice GetDeviceInstanceByTypeName(string deviceTypeName)
        {
            Type deviceType = FactoryHelper.GetTypeByAtrributeTypeName(deviceTypeName, DeviceAttributeType.Device);

            if (deviceType == null)
            {
                return null;
            }

            return Activator.CreateInstance(deviceType) as IDevice;
        }

        public static T GetDeviceInstanceByTypeName<T>(string deviceTypeName) where T : class, IDevice
        {
            Type deviceType = FactoryHelper.GetTypeByAtrributeTypeName(deviceTypeName, DeviceAttributeType.Device);

            if (deviceType == null)
            {
                return null;
            }

            return Activator.CreateInstance(deviceType) as T;
        }

        public static List<string> GetAllSupportDeviceTypeNames(Type instanceBase = null)
        {
            List<string> deviceNames = new List<string>();
            FactoryHelper.TYPES.ForEach(t =>
            {
                var attr = t.GetCustomAttribute<DeviceAttribute>();

                if (attr.AttrType == DeviceAttributeType.Device)
                {
                    if (instanceBase != null)
                    {
                        if (t.IsSubclassOf(instanceBase))
                        {
                            deviceNames.Add(attr.TypeCode);
                        }
                    }
                    else
                    {
                        deviceNames.Add(attr.TypeCode);
                    }
                }
            });

            return deviceNames;
        }
    }
}