using System;
using System.Collections.Generic;
using System.Threading.Tasks;
using Aliyun.Acs.Core;
using Aliyun.Acs.Core.Exceptions;
using Aliyun.Acs.Core.Profile;
using Aliyun.Acs.Dysmsapi.Model.V20170525;
using Learun.Util;
using Newtonsoft.Json;

namespace Quanjiang.DigitalScholl.SendSms
{
    public class AliyunSms : ISms
    {
        private static readonly string RegionIdForPop = ConfigManager.AppSettings["regionIdForPop"].Value;
        private static readonly string AccessId = ConfigManager.AppSettings["accessId"].Value;
        private static readonly string AccessSecret = ConfigManager.AppSettings["accessSecret"].Value;
        private static readonly string Product = ConfigManager.AppSettings["product"].Value;
        private static readonly string Domain = ConfigManager.AppSettings["domain"].Value;
        private static readonly string SignName = ConfigManager.AppSettings["SignName"].Value;

        /// <summary>
        /// 发送短信
        /// </summary>
        /// <param name="phoneNumber">手机号</param>
        /// <param name="st">短信通知类型</param>
        /// <returns>发送结果</returns>
        public async Task<(string code, string randomNum, string message, string errorType)> SendSmsToSingle(string phoneNumber, SmsType st, List<string> sendParams = null)
        {
            (string code, string randomNum, string message, string errorType) result;
            IClientProfile profile = DefaultProfile.GetProfile(RegionIdForPop, AccessId, AccessSecret);
            DefaultProfile.AddEndpoint(RegionIdForPop, RegionIdForPop, Product, Domain);
            IAcsClient acsClient = new DefaultAcsClient(profile);
            var request = new SendSmsRequest();
            try
            {
                request.PhoneNumbers = phoneNumber;
                request.SignName = SignName;
                var (templatecode, templateparam, randomNum) = GetSmsTemplateBySmsType(st);
                request.TemplateCode = templatecode;
                request.TemplateParam = templateparam;
                var sendSmsResponse = await Task.FromResult(acsClient.GetAcsResponse(request));
                result = (sendSmsResponse.Code, randomNum, sendSmsResponse.Message, "");
            }
            catch (ServerException e)
            {
                result = (e.ErrorCode, "", e.ErrorMessage, Enum.GetName(typeof(ErrorType), e.ErrorType));
            }
            catch (ClientException e)
            {
                result = (e.ErrorCode, "", e.ErrorMessage, Enum.GetName(typeof(ErrorType), e.ErrorType));
            }
            return result;
        }

        public Task<(string code, string randomNum, string message, string errorType)> SendSmsToMulti(List<string> phoneNumbers, SmsType st, List<string> sendParams = null)
        {
            throw new NotImplementedException();
        }


        /// <summary>
        /// 根据短信通知类型获取短信模板
        /// </summary>
        /// <param name="st"></param>
        /// <returns></returns>
        private (string templateCode, string templateParam, string randomNum) GetSmsTemplateBySmsType(SmsType st)
        {
            (string templateCode, string templateParam, string randomNum) result;
            var randomNum = CommonHelper.RandNum(6);
            switch (st)
            {
                case SmsType.LoginBind:
                    result = ("SMS_471435023", JsonConvert.SerializeObject(new { code = randomNum }), randomNum);
                    break;
                case SmsType.ForgetPassWord:
                    result = ("SMS_471435023", JsonConvert.SerializeObject(new { code = randomNum }), randomNum);
                    break;
                default:
                    throw new ArgumentOutOfRangeException(nameof(st), st, null);
            }
            return result;
        }
    }
}