using System.Collections.Generic;
using System.Runtime.InteropServices;
using System.Text;
using System;

namespace DemoUI.SDK
{
    /// <summary>
    /// 可见光单目活体接口
    /// </summary>
    public class CWFaceAttLiveness
    {
        private const string CloudWalkSDKDll = "CWFaceSDK.dll";

        /// <summary>
        /// 创建可见光单目活体句柄
        /// </summary>
        /// <param name="errCode">输出错误码</param>
        /// <param name="attDetType">单目活体检测模式</param>
        /// <param name="pModelPath">单目活体检测器模型文件夹路径</param>
        /// <param name="pLicence">授权码</param>
        /// <returns>如果创建成功，返回单目活体句柄，否则返回空</returns>
        [DllImport(CloudWalkSDKDll, EntryPoint = "cwCreateAttLivenessHandle", CallingConvention = CallingConvention.Cdecl)]
        public static extern IntPtr cwCreateAttLivenessHandle(out cw_attliveness_err_t errCode, cw_attliv_mode_t attDetType, string pModelPath, string pLicence);


        /// <summary>
        /// 释放单目活体检测句柄
        /// </summary>
        /// <param name="pHandle">单目活体句柄</param>
        [DllImport(CloudWalkSDKDll, EntryPoint = "cwReleaseAttLivenessHandle", CallingConvention = CallingConvention.Cdecl)]
        public static extern void cwReleaseAttLivenessHandle(IntPtr pHandle);


        /// <summary>
        /// 可见光单目活体检测接口
        /// </summary>
        /// <param name="pHandle">单目活体句柄</param>
        /// <param name="pAttDetInfo">输入的图片及关键点等信息</param>
        /// <param name="pAttackType">攻击类型</param>
        /// <returns></returns>
        [DllImport(CloudWalkSDKDll, EntryPoint = "cwFaceAttLivenessDet", CallingConvention = CallingConvention.Cdecl)]
        public static extern cw_attliveness_err_t cwFaceAttLivenessDet(IntPtr pHandle, ref cw_att_liv_detinfo_t pAttDetInfo, out cw_attliv_det_rst_t pAttackType);


        /// <summary>
        /// 重置活体检测器状态
        /// </summary>
        /// <param name="pHandle">单目活体句柄</param>
        /// <returns></returns>
        [DllImport(CloudWalkSDKDll, EntryPoint = "cwFaceAttLivenessReset", CallingConvention = CallingConvention.Cdecl)]
        public static extern cw_attliveness_err_t cwFaceAttLivenessReset(IntPtr pHandle);
    }
}