using System;
using System.Collections.Generic;
using System.Linq;
using System.Text;
using System.Web;
using System.Web.UI;
using System.Web.UI.WebControls;
using Telerik.Web.UI;

namespace VRS.Management.VSAT
{
    public partial class ExamTheory_RandomAdd : BasePage
    {
        DataService.BLL.pro_exam_theory bll_exam_theory = new DataService.BLL.pro_exam_theory();
        DataService.BLL.pro_examination bll_examination = new DataService.BLL.pro_examination();
        //DataService.BLL.pro_theory_base bll_examination = new DataService.BLL.pro_theory_base();

        DataService.BLL.pro_theory_base bll_theory_base = new DataService.BLL.pro_theory_base();
        DataService.BLL.admin_user bll_user = new DataService.BLL.admin_user();
        protected override void Page_Load(object sender, EventArgs e)
        {
            if (!IsPostBack)
            {
                var exam_id = Request.Params["Id"];
                hid_examId.Value = exam_id;

                //loadData();

                loadData();
            }
        }

        public void loadData()
        {
            var exam_id = hid_examId.Value;
            StringBuilder query = new StringBuilder(" 1 = 1 ");
            var list_exam_theory = bll_exam_theory.GetModelList("exam_id='" + exam_id + "'");
            if (list_exam_theory.Count > 0)
            {
                var array = list_exam_theory.Select(s => s.content).ToArray();
                List<string> dest = new List<string>();
                foreach (var sub in array)
                {
                    dest.Add("'" + sub + "'");
                }
                var id_list = string.Join(",", dest.ToArray());
                query.AppendFormat(" AND id not in  ({0})  ", id_list);
            }
            var qry = query.ToString();
            var list_base = bll_theory_base.GetModelList(qry);
            var list_type = list_base.Select(s => s.kind).Distinct().ToList();

            List<DataService.Model.theory_type_count> list_res = new List<DataService.Model.theory_type_count>();
            int id = 1;
            foreach (var item in list_type)
            {
                var model = new DataService.Model.theory_type_count();
                model.theory_type = item;
                model.no = id++;
                var count = list_base.Where(s => s.kind == item).Count();
                model.theory_count = count;
                list_res.Add(model);
            }
            var exam = bll_examination.GetModel(exam_id);
            if (null != exam)
            {
                span_exam_name.InnerHtml = exam.exam_name;
                //span_total_score.InnerHtml = exam.total_score;
            }
            dataList.DataSource = list_res;
            dataList.DataBind();
        }

       



        /// <summary>
        /// 更新选项值
        /// </summary>
        /// <param name="sender"></param>
        /// <param name="e"></param>
        protected void option_name_TextChanged(object sender, EventArgs e)
        {
            var txtBox = sender as RadTextBox;
            /*
            var rad_item = txtBox.Parent as RadListBoxItem;
            if (null != rad_item)
            {
                rad_item.Text = txtBox.Text.Trim();
            }
            */
        }

        //批量设置分数
        protected void btnSure_Click(object sender, EventArgs e)
        {
            var list_type_count = new List<DataService.Model.theory_type_count>();
            bool success = computeItemsCount(out string msg, out double totalscore, list_type_count);
            if (!success)
            {
                span_name.InnerHtml = msg;
                return;
            }

            #region 判断试卷分值
            /*
            var exam_id = hid_examId.Value;
            var exam = bll_examination.GetModel(exam_id);
            var exam_total = double.Parse(exam.total_score);
            if (totalscore != exam_total)
            {
                msg = string.Format("当前分值：{0}，不等于试卷分值：{1}", totalscore, exam_total);
                RadAjaxManager1.Alert(msg);
                return;
            }
            */
            #endregion

            //以下为具体实现方式
            /*
            if (totalscore!=100)
            {
                RadAjaxManager1.Alert("分数不是100分！");
                return;
            }
            */
         
            var exam_id = Request.Params["Id"];
            var now = DateTime.Now;
            var user = DataService.BLL.admin_user.load_login();
            var user_login = bll_user.GetModel(user.user_id);
      
           var list_insert = new List<DataService.Model.pro_exam_theory>();

            foreach (var type_count in list_type_count)
            {
                List<DataService.Model.pro_theory_base> list_base = new List<DataService.Model.pro_theory_base>();
                var flag = getRandomItems(type_count, exam_id, list_base);
                if(!flag)
                {
                    span_name.InnerHtml = "题目数量有变动";
                    return;
                }
                int max_no = 1;
                var kind = type_count.theory_type;
                var list = bll_exam_theory.GetModelList("exam_id='" + exam_id + "' and question_kind='" + kind + "'");
                if (list.Count > 0)
                {
                    max_no = list.Max(s => s.no) + 1;
                }
                var id = BasePage.GetId();
                int index = 1;
                foreach (var item in list_base)
                {
                    var model = new DataService.Model.pro_exam_theory();
                    model.id = BasePage.GetNextId(id, index++);
                    model.exam_id = exam_id;
                    model.content = item.id;
                    model.question_kind = item.kind;

                    if (model.question_kind == "判断题")
                    {
                        model.question_difficult = "0";
                    }
                    else if (model.question_kind == "单选题")
                    {
                        model.question_difficult = "1";
                    }
                    else if (model.question_kind == "多选题")
                    {
                        model.question_difficult = "2";
                    }
                    else if (model.question_kind == "填空题")
                    {
                        model.question_difficult = "3";
                    }
                    else if (model.question_kind == "简答题")
                    {
                        model.question_difficult = "4";
                    }

                    model.create_time = now;
                    model.create_by = user_login.user_id;

                    model.per_score = 0;
                    model.no = max_no++;
                    list_insert.Add(model);
                }
            }
            var success_count = bll_exam_theory.BatchAdd(list_insert);
            if (success_count > 0)
            {
                RadAjaxManager1.ResponseScripts.Add("alert('添加题目成功！');CloseAndRebind();");
            }
        }
        /// <summary>
        /// 获取随机题目
        /// </summary>
        /// <param name="model"></param>
        /// <param name="exam_id"></param>
        /// <param name="list_insert"></param>
        /// <returns></returns>
        public bool getRandomItems(DataService.Model.theory_type_count model, string exam_id,List<DataService.Model.pro_theory_base> list_insert)
        {
            StringBuilder query = new StringBuilder(" 1 = 1 ");
            var list_exam_theory = bll_exam_theory.GetModelList("exam_id='" + exam_id + "'");
            if (list_exam_theory.Count > 0)
            {
                var array = list_exam_theory.Select(s => s.content).ToArray();
                List<string> dest = new List<string>();
                foreach (var sub in array)
                {
                    dest.Add("'" + sub + "'");
                }
                var id_list = string.Join(",", dest.ToArray());
                query.AppendFormat(" AND id not in  ({0})  ", id_list);
            }
            query.AppendFormat(" AND kind = '{0}' ", model.theory_type);
            var qry = query.ToString();
            var list = bll_theory_base.GetModelList(qry);
            if (list.Count < model.score)
            {
                return false;
            }
            var list_result = list.OrderBy(s => Guid.NewGuid()).Take((int)model.score).ToList();
            list_insert.AddRange(list_result);
            return true;
        }

        public bool computeItemsCount(out string msg, out double totalscore, List<DataService.Model.theory_type_count> list_type_count)
        {
            double total_score = 0;
            var sb = new StringBuilder();
            totalscore = 0;

            for (int i = 0; i < dataList.Items.Count; i++)
            {
                var item = dataList.Items[i];
                var txt = item.FindControl("per_score") as RadNumericTextBox;

                var no = int.Parse(item.GetDataKeyValue("no").ToString());
                var theory_type = item.GetDataKeyValue("theory_type").ToString();
                var theory_count = int.Parse(item.GetDataKeyValue("theory_count").ToString());

                if (!txt.Value.HasValue)
                {
                    msg = theory_type + ",新增数量不能为空！";
                    return false;
                }

                var per_count = txt.Value.Value;
                if (per_count < 0)
                {
                    msg = theory_type + ",新增数量应不小于0！";
                    return false;
                }
                if (per_count > theory_count)
                {
                    msg = theory_type + string.Format(",新增数量不大于{0}！", theory_count);
                    return false;
                }

                //double theory_score = theory_count * per_score;
                //total_score += theory_score;

                var model = new DataService.Model.theory_type_count();
                model.no = no;
                model.theory_type = theory_type;
                model.theory_count = theory_count;
                model.score = per_count;

                if (per_count > 0)
                {
                    list_type_count.Add(model);
                    sb.AppendFormat("，{0}:剩余数量{1}，新增数量:{2} ", theory_type, theory_count, per_count);
                }
                //sb.AppendFormat("，{0}:{1} 分值:{2} 总分:{3}", theory_type, theory_count, per_score, theory_score);
            }

            /*
            if (dataList.Items.Count > 0)
            {
                var total_dsc = string.Format("总分：" + total_score);
                sb.Insert(0, total_dsc);
            }
            */

            var text = sb.ToString();
            msg = text;
            totalscore = total_score;
            return true;
        }

        protected void per_score_TextChanged(object sender, EventArgs e)
        {
            var list_type_count = new List<DataService.Model.theory_type_count>();
            bool success = computeItemsCount(out string msg, out double score, list_type_count);
            if (!success)
            {
                span_name.InnerHtml = msg;
            }
        }

    }
}