using Baidu.Aip.Ocr;
using Furion;
using Furion.DistributedIDGenerator;
using Furion.FriendlyException;
using Furion.HttpRemote;
using Microsoft.AspNetCore.DataProtection;
using Microsoft.Extensions.Options;
using NetTopologySuite.Operation.Buffer;
using Newtonsoft.Json;
using Newtonsoft.Json.Linq;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Text;
using System.Threading.Tasks;

namespace FlexJobApi.Core
{
    /// <summary>
    /// 百度文字识别工具
    /// </summary>
    public static class BaiduOcrUtils
    {
        /// <summary>
        /// 营业执照OCR
        /// </summary>
        /// <param name="url"></param>
        /// <param name="scene"></param>
        /// <param name="isOssUrl"></param>
        public static async Task<BaiduOcrBusinessLicenseResult> OcrBusinessLicense(this string url, string scene = null, bool isOssUrl = true)
        {
            var options = App.GetOptions<BaiduOptions>();
            var ocr = new Ocr(options.Ocr.Key, options.Ocr.Secret);
            ocr.Timeout = 60000;
            JObject value;
            if (isOssUrl)
            {
                var downloadUrl = AliyunOSSUtils.GetUrl(url);
                var buffer = await App.GetRequiredService<IHttpRemoteService>().GetAsByteArrayAsync(downloadUrl);
                value = ocr.BusinessLicense(buffer);
            }
            else
            {
                var upload = AliyunOSSUtils.Upload(scene, url);
                url = upload.Url;
                value = ocr.BusinessLicense(upload.Buffer);
            }
            var result = value.ToObject<BaiduOcrBusinessLicenseResult>();
            result.Url = url;
            if (result.ErrorCode.IsNotNull())
            {
                return result;
            }
            result.Model = new BaiduOcrBusinessLicenseResultModel
            {
                EnterpriseName = result.WordsResult["单位名称"].Words,
                SocietyCreditCode = result.WordsResult["社会信用代码"].Words,
                LegalPerson = result.WordsResult["法人"].Words,
                EnterpriseType = result.WordsResult["类型"].Words,
                RegisteredCapital = result.WordsResult["注册资本"].Words,
                EstablishmentDate = result.WordsResult["成立日期"].Words,
                Address = result.WordsResult["地址"].Words,
                MainBusiness = result.WordsResult["经营范围"].Words,
            };
            return result;
        }

        /// <summary>
        /// 身份证正面OCR
        /// </summary>
        /// <param name="url"></param>
        /// <param name="scene"></param>
        /// <param name="isOssUrl"></param>
        public static async Task<BaiduOcrIdentityFrontResult> OcrIdentityFront(this string url, string scene = null, bool isOssUrl = true)
        {
            var options = App.GetOptions<BaiduOptions>();
            var ocr = new Ocr(options.Ocr.Key, options.Ocr.Secret);
            ocr.Timeout = 60000;
            JObject value;
            if (isOssUrl)
            {
                var downloadUrl = AliyunOSSUtils.GetUrl(url);
                var buffer = await App.GetRequiredService<IHttpRemoteService>().GetAsByteArrayAsync(downloadUrl);
                value = ocr.Idcard(buffer, "front");
            }
            else
            {
                var upload = AliyunOSSUtils.Upload(scene, url);
                url = upload.Url;
                value = ocr.Idcard(upload.Buffer, "front");
            }
            var result = value.ToObject<BaiduOcrIdentityFrontResult>();
            result.Url = url;
            if (result.ErrorCode.IsNotNull())
            {
                return result;
            }

            result.Model = new BaiduOcrIdentityFrontResultModel
            {
                Address = result.WordsResult["住址"].Words,
                Identity = result.WordsResult["公民身份号码"].Words,
                BirthdayText = result.WordsResult["出生"].Words,
                Name = result.WordsResult["姓名"].Words,
                GenderText = result.WordsResult["性别"].Words,
                Nation = result.WordsResult["民族"].Words,
            };
            return result;
        }

        /// <summary>
        /// 身份证背面OCR
        /// </summary>
        /// <param name="url"></param>
        /// <param name="scene"></param>
        /// <param name="isOssUrl"></param>
        public static async Task<BaiduOcrIdentityBackResult> OcrIdentityBack(this string url, string scene = null, bool isOssUrl = true)
        {
            var options = App.GetOptions<BaiduOptions>();
            var ocr = new Ocr(options.Ocr.Key, options.Ocr.Secret);
            ocr.Timeout = 60000;
            JObject value;
            if (isOssUrl)
            {
                var downloadUrl = AliyunOSSUtils.GetUrl(url);
                var buffer = await App.GetRequiredService<IHttpRemoteService>().GetAsByteArrayAsync(downloadUrl);
                value = ocr.Idcard(buffer, "back");
            }
            else
            {
                var upload = AliyunOSSUtils.Upload(scene, url);
                url = upload.Url;
                value = ocr.Idcard(upload.Buffer, "back");
            }
            var result = value.ToObject<BaiduOcrIdentityBackResult>();
            result.Url = url;
            if (result.ErrorCode.IsNotNull())
            {
                return result;
            }

            result.Model = new BaiduOcrIdentityBackResultModel
            {
                ExpiryDateText = result.WordsResult["失效日期"].Words,
                IssueAuthority = result.WordsResult["签发机关"].Words,
                IssueDateText = result.WordsResult["签发日期"].Words,
            };
            return result;
        }
    }
}