using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;
using Iot.Loan.Exam.Dapper;
using Iot.Loan.Exam.Models;
using JWT.Exceptions;
using Microsoft.AspNetCore.Cors;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;
using Newtonsoft.Json;

namespace Iot.Loan.Exam.Controllers
{
    [Route("api/[controller]/[action]")]
    [ApiController]
    [EnableCors("any")]
    public class LoanController : ControllerBase
    {
        JWTHelper helper = new JWTHelper();
        private IDapper dapper;
        public LoanController(IDapper _dapper)
        {
            dapper = _dapper;
        }
        /// <summary>
        /// 登錄
        /// </summary>
        /// <param name="info"></param>
        /// <returns></returns>
        [HttpPost]
        public string Login([FromForm]UserInfo info)
        {
            //得到登錄model
            UserInfo model = dapper.Login(info);
            if (model != null)
            {
                //定義字典存放用戶登錄的信息
                Dictionary<string, object> keys = new Dictionary<string, object>();
                keys.Add("User_Name", model.User_Name);
                keys.Add("User_ID", model.User_ID);
                keys.Add("User_Pwd", model.User_Pwd);
                //得到toekn，給他失效時(shí)間
                string token = helper.GetToken(keys, 30000);
                return token;
            }
            else
            {
                return null;
            }
        }
        /// <summary>
        /// 還款信息列表
        /// </summary>
        /// <param name="token"></param>
        /// <returns></returns>
        [HttpPost]
        public async Task<List<HuK_UserInfo>> Select(string token)
        { 
            //token解碼
            string json = helper.GetPayload(token);
            //反序列化
            UserInfo model = JsonConvert.DeserializeObject<UserInfo>(json);
            if (model != null)
            {
                return await Task.Run(() => { return dapper.Select(model.User_ID); });
            }
            else
            {
                return null;
            }
        }
        /// <summary>
        /// 賬戶信息列表
        /// </summary>
        /// <param name="token"></param>
        /// <returns></returns>
        [HttpPost]
        public async Task<List<ZhuanHu_UserInfo>> ZhuanHuSelect(string token)
        {
            //token解碼
            string json = helper.GetPayload(token);
            //反序列化
            UserInfo model = JsonConvert.DeserializeObject<UserInfo>(json);
            if (model != null)
            {
                return await Task.Run(() => { return dapper.YSelect(model.User_ID); });
            }
            else
            {
                return null;
            }
        }
        /// <summary>
        /// 還款
        /// </summary>
        /// <param name="HkId">還款I(lǐng)D</param>
        /// <param name="token">用戶登錄的token，</param>
        /// <returns></returns>
        [HttpPost]
        public int HK(int HkId, string token)
        {
            string json = helper.GetPayload(token);
            UserInfo model = JsonConvert.DeserializeObject<UserInfo>(json);
            if (model != null)
            {
                return dapper.HunKuan(model.User_ID, HkId);
            }
            else
            {
                return 0;
            }
        }
        /// <summary>
        /// 充值
        /// </summary>
        /// <param name="money">充值金額</param>
        /// <param name="token">用戶登錄保存的Token</param>
        /// <returns></returns>
        [HttpPost]
        public int CZ(decimal money, string token)
        {
            //token解碼
            string json = helper.GetPayload(token);
            //反序列化
            UserInfo info = JsonConvert.DeserializeObject<UserInfo>(json);
            if (info != null)
            {
                return dapper.CzMoney(info.User_ID, money);
            }
            else
            {
                return 0;
            }
        }
    }
}