using System.Diagnostics.CodeAnalysis;
using System.Reflection;
using DispenserHal.Camera.Client;
using DispenserHal.Camera.DTO;
using DispenserHal.Camera.Enum;
using DispenserHal.Camera.Interface;
using Serilog;

namespace DispenserHal.Camera.Factory;

public sealed class CameraFactory
{
    private static AbstractCamera cameraSDK;
    private static Type instanceType;

    private static CameraConfig _config;

    static CameraFactory()
    {
        InitType();
    }

    private static void InitType()
    {
        var asmb = Assembly.LoadFrom(CameraConfig.Dll);
        instanceType = asmb.GetType(CameraConfig.Sdk);
        if (instanceType == null)
        {
            Log.Error("加载sdk{0}失败", CameraConfig.Sdk);
            throw new FileNotFoundException(CameraConfig.Sdk);
        }
    }

    public static Builder ToBuilder(string sn)
    {
        return new Builder(sn);
    }

    private static CameraClient GetClient([NotNull] string sn, Dictionary<ParamTypeEnum, string> paramMap)
    {
        if (!CameraContainer.ContainsClient(sn))
        {
            var client = InitClient(sn, paramMap);
            CameraContainer.AddClient(sn, client);
        }

        return CameraContainer.GetClient(sn);
    }

    private static CameraClient InitClient(string sn, Dictionary<ParamTypeEnum, string> paramMap)
    {
        object[] constructorArgs = [sn, paramMap];
        cameraSDK = Activator.CreateInstance(instanceType, constructorArgs) as AbstractCamera;
        var client = new CameraClient(cameraSDK);
        Log.Information($"{sn}相机客户端初始化成功");
        return client;
    }

    public class Builder
    {
        private Dictionary<ParamTypeEnum, string> _param;
        private string _sn;

        public Builder(string sn)
        {
            _sn = sn;
        }

        public Builder SN(string sn)
        {
            _sn = sn;
            return this;
        }

        public Builder Param(Dictionary<ParamTypeEnum, string> param)
        {
            _param = param;
            return this;
        }

        public CameraClient build()
        {
            return GetClient(_sn, _param);
        }
    }
}