using Competition.Common.Util;
using CompetitionAPI.api.back;
using CompetitionAPI.Util;
using Microsoft.AspNetCore.Authorization;
using Microsoft.AspNetCore.Http;
using Microsoft.AspNetCore.Mvc;

namespace CompetitionAPI.Controllers.back
{
    [Route("api/[controller]")]
    [ApiController]
    public class FinishedExamController : Controller
    {
        Competition.Mysql.BLL.pow_exam exam_bll = new Competition.Mysql.BLL.pow_exam();

        Competition.Mysql.BLL.pow_user_exam user_exam_bll = new Competition.Mysql.BLL.pow_user_exam();

        Competition.Mysql.BLL.pow_achievement achievement_bll = new Competition.Mysql.BLL.pow_achievement();

        Competition.Mysql.BLL.pow_config config_bll = new Competition.Mysql.BLL.pow_config();

        public FinishedExamController()
        {

        }

        /// <summary>
        /// 考试结束接口
        /// </summary>
        /// <param name="ExamId">考试id</param>
        /// <returns></returns>
        [Authorize]
        [HttpGet]
        [APIFilter]
        public JsonResult Index(string ExamId)
        {
            try
            {
                var config_model = config_bll.GetModelList("").FirstOrDefault();
                if (config_model == null)
                {
                    return Json(Tool.GetJsonWithCode(APICode.Fail, "配置信息不存在"));
                }
                var exam_model = exam_bll.GetModel(ExamId);
                if (exam_model != null)
                {
                    if (exam_model.Type == "考试")
                    {
                        var user_exam_list = user_exam_bll.GetModelList(" ExamId='" + ExamId + "' and Status='已结束' ");
                        var time_count = int.Parse(config_model.TimeCount);

                        //业务逻辑 ：按照分数排序，再按照考试时长，最后计算时间分
                        //查询本次所有考试结束的考生
                        var user_id_list_all = string.Join("','", user_exam_list.Select(a => a.UserId).ToArray());
                        //从成绩表把20个考试最高分考生查询出来 
                        var achievement_list_20 = achievement_bll.GetModelList(" ExamId='" + ExamId + "' and UserId in ('" + user_id_list_all + "')  and ExamEndTime is not  NULL ").OrderByDescending(s => s.TotalScore).Take(time_count).ToList();
                        //查询这20个考生的考试记录
                        var user_id_list_20 = string.Join("','", achievement_list_20.Select(a => a.UserId).ToArray());
                        var user_exam_list_20 = user_exam_bll.GetModelList(" ExamId='" + ExamId + "' and UserId in ('" + user_id_list_20 + "')   ");
                        List<UserExamInfo> list_userInfo = new List<UserExamInfo>();
                        foreach (var item in achievement_list_20)
                        {
                            UserExamInfo info = new UserExamInfo();
                            info.UserId = item.UserId;
                            info.TotalScore = item.TotalScore.HasValue ? item.TotalScore.Value : 0;
                            var user_exam = user_exam_list_20.FirstOrDefault(s => s.UserId == item.UserId);
                            if (null != user_exam)
                            {
                                info.ExaminationDuration = user_exam.ExaminationDuration;
                            }
                            list_userInfo.Add(info);
                        }

                        var front_user_exam_list = list_userInfo.OrderByDescending(s => s.TotalScore).ThenByDescending(a => a.ExaminationDuration.Split(':')[0]).ThenByDescending(a => a.ExaminationDuration.Split(':')[1]).ToList();

                        var achievement_list = achievement_list_20;
                        var time_score = decimal.Parse(config_model.TimeScore);
                        var total_score = time_score;
                        var time_decreasing_score = decimal.Parse(config_model.TimeDecreasingScore);
                        var update_achievement_list = new List<Competition.Mysql.Model.pow_achievement>();
                        var add_achievement_details_list = new List<Competition.Mysql.Model.pow_achievement_details>();
                        var index = 0;
                        foreach (var item in front_user_exam_list)
                        {
                            var model = achievement_list.Where(a => a.UserId == item.UserId).FirstOrDefault();
                            if (model != null)
                            {
                                if (index != 0)
                                {
                                    time_score = time_score - time_decreasing_score;
                                }
                                model.TotalScore += time_score;
                                update_achievement_list.Add(model);

                                //故障算分bug临时处理
                                if (model.TotalScore > 100)
                                {
                                    model.TotalScore = 100;
                                }

                                var details_model = new Competition.Mysql.Model.pow_achievement_details();
                                details_model.DetailsId = Guid.NewGuid().ToString("N");
                                details_model.AchievementId = model.AchievementId;
                                details_model.ItemName = "时间分";
                                details_model.ItemizedScore = time_score;
                                details_model.Type = "时间分";
                                details_model.CreateTime = DateTime.Now;
                                details_model.TotalScore = total_score;
                                add_achievement_details_list.Add(details_model);
                            }
                            index++;
                        }

                        if (exam_bll.OperationUpdateExamData(ExamId, "已结束", update_achievement_list, add_achievement_details_list) > 0)
                        {
                            return Json(Tool.GetJsonWithCode(APICode.Success, "结束考试成功"));
                        }
                        else
                        {
                            return Json(Tool.GetJsonWithCode(APICode.Fail, "结束考试失败"));
                        }
                    }
                    else
                    {
                        if (exam_bll.UpdateEnd(ExamId, "已结束"))
                        {
                            return Json(Tool.GetJsonWithCode(APICode.Success, "结束考试成功"));
                        }
                        else
                        {
                            return Json(Tool.GetJsonWithCode(APICode.Fail, "结束考试失败"));
                        }
                    }
                }
                else
                {
                    return Json(Tool.GetJsonWithCode(APICode.Fail, "未找到考试信息"));
                }
            }
            catch (Exception ex)
            {
                LogHelper.WriteLog(ex.Message + "，行号：" + ex.StackTrace);
                return Json(Tool.GetJsonWithCode(APICode.Fail, "发生错误，请联系管理员。"));
            }
        }
    }
}