using AOP.Common;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Threading.Tasks;
using System.Web;

namespace SgManager.AI
{
    /// <summary>
    /// 文字识别--身份证识别 应用（只是获取身份证图片 信息，没有和公安部联网，无法确认真假，只是单纯从图片上识别文字）
    /// </summary>
    public class IDCardRecognition
    {
        // 身份证识别

        /// <summary>
        /// 身份证识别
        /// </summary>
        /// <param name="token">Accesstoken</param>
        /// <param name="imagePath">图片路径</param>
        /// <param name="recognitionString">识别结果</param>
        /// <param name="errorMsg">错误信息</param>
        /// <param name="id_card_side"> front：身份证正面；back：身份证背面</param>
        /// <param name="detect_direction">是否检测图像朝向，默认不检测，即：false。朝向是指输入图像是正常方向、逆时针旋转90/180/270度。可选值包括:- true：检测朝向；- false：不检测朝向。</param>
        /// <param name="detect_risk"> string 类型 是否开启身份证风险类型(身份证复印件、临时身份证、身份证翻拍、修改过的身份证)功能，默认不开启，即：false。可选值:true-开启；false-不开启</param>
        /// <returns>结果状态</returns>
        public static APIBaseModel<IDCardRecognitionModel> GetIdcardRecognitionString(string token, string imagePath, ref string recognitionString, out string errorMsg, string id_card_side = "front", bool detect_direction = false, string detect_risk = "false")
        {
            bool resultState = true;

            APIBaseModel<IDCardRecognitionModel> tempModel = new APIBaseModel<IDCardRecognitionModel>();
            tempModel.contextModel = new IDCardRecognitionModel();

            string strbaser64 = "";
            try
            {
                #region 基础校验
                string verificationMsg = "";
                errorMsg = "";
                var verifyResult = ImageVerification.VerificationImage<IDCardRecognitionModel>(imagePath, System.Drawing.Imaging.ImageFormat.Jpeg, tempModel, out verificationMsg, out strbaser64);
                if (!verifyResult.state)
                {
                    return verifyResult;
                }

                recognitionString = "";

                string host = "https://aip.baidubce.com/rest/2.0/ocr/v1/idcard?access_token=" + token;
                String str = "id_card_side=" + id_card_side + "&detect_direction=" + detect_direction + "&detect_risk=" + detect_risk + "&image=" + HttpUtility.UrlEncode(strbaser64);
                var tempResult = HttpRequestHelper.Post(host, str);
                recognitionString = tempResult;
                if (recognitionString.Contains("\"error_code\""))//说明异常
                {
                    resultState = false;
                    tempModel.state = false;
                    tempModel.contextModel.errorTypeModel = Json.ToObject<ErrorTypeModel>(tempResult);
                    tempModel.contextModel.errorTypeModel.error_discription = OCR_CharacterRecognitionErrorType.GetErrorCodeToDescription(tempModel.contextModel.errorTypeModel.error_code);
                }
                else
                {
                    tempModel.state = true;
                    var temp = Json.ToObject<IDCardRecognitionSuccessResultModel>(tempResult);
                    tempModel.contextModel.successModel = temp;
                }
                #endregion

                return tempModel;
            }
            catch (Exception ex)//接口外部异常，如网络异常
            {
                resultState = false;
                errorMsg = ex.ToString();
                tempModel.state = false;
                tempModel.errorMsg = ex.ToString();
                return tempModel;

            }
        }


    }
}