using CYQ.Data.Cache;
using Newtonsoft.Json;
using Song.ServiceInterfaces;
using System;
using System.Collections.Generic;
using System.Configuration;
using System.Dynamic;
using System.Linq;
using System.Runtime.Remoting.Contexts;
using System.Text;
using System.Threading.Tasks;
using Taurus.Core;
using Taurus.Mvc;
using Taurus.Mvc.Attr;
using WeiSha.Common;

namespace PeiXun.Controllers.BasicInfo
{
    public class CoursesAPIController : Controller
    {

        [Token]
        [HttpGet]
        public void CourseList()
        {
            int index = Query<int>("index"); index = index == 0 ? 1 : index;
            int size = Query<int>("size"); size = size == 0 ? 1 : size;
            int sbjid = Query<int>("sbjid"); sbjid = sbjid == 0 ? -1 : sbjid;  //专业id
            string search = Query<string>("search");
            string order = Query<string>("order");   //排序，flux流量最大优先,def推荐、流量，tax排序号，new最新,rec推荐

            Song.Entities.Organization org = Business.Do<IOrganization>().OrganCurrent();
            int sum = 0;
            List<Song.Entities.Course> cour = Business.Do<ICourse>().CoursePager(org.Org_ID, sbjid, -1, true, search, order, size, index, out sum);

            dynamic obj = new ExpandoObject();
            obj.sum = sum;
            obj.index = index; obj.size = size;
            obj.sbjid = sbjid;

            for (int i = 0; i < cour.Count; i++)
            {
                Song.Entities.Course c = cour[i];
                c.Cou_LogoSmall = Upload.Get["Course"].Virtual + c.Cou_LogoSmall;
                c.Cou_Logo = Upload.Get["Course"].Virtual + c.Cou_Logo;
                //是否免费，或是限时免费
                if (c.Cou_IsLimitFree)
                {
                    DateTime freeEnd = c.Cou_FreeEnd.AddDays(1).Date;
                    if (!(c.Cou_FreeStart <= DateTime.Now && freeEnd >= DateTime.Now))
                        c.Cou_IsLimitFree = false;
                }
                c.Cou_Intro = c.Cou_Target = c.Cou_Content = "";
                c.Cou_Name = c.Cou_Name.Replace("\"", "&quot;");
            }

            obj.data = cour;
            Write(JsonConvert.SerializeObject(obj));
        }

        [Token]
        [HttpGet]
        public void SelfCourse()
        {
            string action = Query<string>("action");

            if (string.IsNullOrEmpty(action)) action = "buycou";

            string token = Query<string>("token").TrimStart("xyl:".ToCharArray());
            DistributedCache cache = DistributedCache.Instance;
            Song.Entities.Accounts emp = cache.Get<Song.Entities.Accounts>(token);
            //学员登录id
            int stid = emp.Ac_ID;

            dynamic obj = new ExpandoObject();
            obj.code = 1;
            obj.msg = "success";

            switch (action)
            {
                case "buycou":
                    List<Song.Entities.Course> buyCou = Business.Do<ICourse>().CourseForStudent(stid, null, 1, false, -1);
                    HandleCourseInfo(buyCou, action, stid);
                    obj.data = buyCou;
                    break;
                case "overcou":
                    List<Song.Entities.Course> overCou = Business.Do<ICourse>().CourseForStudent(stid, null, 2, false, -1);
                    HandleCourseInfo(overCou, action, stid);
                    obj.data = overCou;
                    break;
                case "trycou":
                    List<Song.Entities.Course> trycou = Business.Do<ICourse>().CourseForStudent(stid, null, -1, true, -1);
                    HandleCourseInfo(trycou, action, stid);
                    obj.data = trycou;
                    break;
            }
            Write(JsonConvert.SerializeObject(obj));
        }


        [Token]
        [HttpGet]
        public void CourseInfo()
        {
            int couid = Query<int>("couid");
            string token = Query<string>("token").TrimStart("xyl:".ToCharArray());
            DistributedCache cache = DistributedCache.Instance;
            Song.Entities.Accounts emp = cache.Get<Song.Entities.Accounts>(token);
            int accid = emp.Ac_ID;

            Song.Entities.Course course = Business.Do<ICourse>().CourseSingle(couid);
            if (course == null) return;

            //是否免费，或是限时免费
            if (course.Cou_IsLimitFree)
            {
                DateTime freeEnd = course.Cou_FreeEnd.AddDays(1).Date;
                if (!(course.Cou_FreeStart <= DateTime.Now && freeEnd >= DateTime.Now))
                    course.Cou_IsLimitFree = false;
            }
            //课程资源路径
            course.coupath = Upload.Get["Course"].Virtual;
            //学习该课程的总人数，包括已经过期的
            int studyCount = Business.Do<ICourse>().CourseStudentSum(course.Cou_ID, null);
            course.studyCount = studyCount;
            //是否学习当前课程
            //是否购买当前课程
            bool isBuy = false;
            //是否购买
            isBuy = Business.Do<ICourse>().StudyIsCourse(accid, course.Cou_ID);
            //没有购买，但处于限时免费中
            if (!isBuy && course.Cou_IsLimitFree)
            {
            }
            course.isBuy = isBuy;
            //是否可以学习,如果是免费或已经选修便可以学习，否则当前课程允许试用且当前章节是免费的，也可以学习
            bool canStudy = isBuy || course.Cou_IsFree || course.Cou_IsLimitFree || course.Cou_IsTry;
            course.canStudy = canStudy;
            //树形章节输出
            Song.Entities.Outline[] outlines = Business.Do<IOutline>().OutlineAll(course.Cou_ID, true);
            if (outlines.Length > 0)
                course.olTree = Business.Do<IOutline>().OutlineTree(outlines);
            //课程公告
            List<Song.Entities.Guide> guides = Business.Do<IGuide>().GuideCount(0, course.Cou_ID, 0, 0).ToList();
            course.guides = guides;

            dynamic obj = new ExpandoObject();
            obj.code = 1;
            obj.msg = "success";

            obj.data = course;
            Write(JsonConvert.SerializeObject(obj));
        }


        /// <summary>
        /// 根据课程ID获取课程信息
        /// </summary>
        /// <param name="id"></param>
        /// <returns></returns>
        //[Cache(Expires = 60)]
        //public Song.Entities.Course ForID(int id)
        //{
        //    Song.Entities.Course cur = Business.Do<ICourse>().CourseSingle(id);
        //    return _tran(cur);
        //}


        /// <summary>
        /// 生成json
        /// </summary>
        protected void HandleCourseInfo(List<Song.Entities.Course> courses, string action, int stid)
        {
            //string tm = "{\"sum\":" + courses.Count + ",\"action\":\"" + action + "\",\"object\":[";
            for (int i = 0; i < courses.Count; i++)
            {
                Song.Entities.Course c = courses[i];
                c.Cou_LogoSmall = Upload.Get["Course"].Virtual + c.Cou_LogoSmall;
                c.Cou_Logo = Upload.Get["Course"].Virtual + c.Cou_Logo;
                //是否免费，或是限时免费
                if (c.Cou_IsLimitFree)
                {
                    DateTime freeEnd = c.Cou_FreeEnd.AddDays(1).Date;
                    if (!(c.Cou_FreeStart <= DateTime.Now && freeEnd >= DateTime.Now))
                        c.Cou_IsLimitFree = false;
                }
                c.Cou_Intro = c.Cou_Target = c.Cou_Content = "";
                c.Cou_Name = c.Cou_Name.Replace("\"", "&quot;");

                c.olcount = Business.Do<IOutline>().OutlineOfCount(c.Cou_ID, -1, true); //当前课程里的章节数
                c.quscount = Business.Do<IQuestions>().QuesOfCount(c.Org_ID, c.Sbj_ID, c.Cou_ID, -1, 0, true);//当前课程的试题  
                //增加输出项
                //Dictionary<string, object> addParas = new Dictionary<string, object>();
                //addParas.Add("olcount", Business.Do<IOutline>().OutlineOfCount(c.Cou_ID, -1, true));    //当前课程里的章节数
                //addParas.Add("quscount", Business.Do<IQuestions>().QuesOfCount(c.Org_ID, c.Sbj_ID, c.Cou_ID, -1, 0, true));   //当前课程的试题    
                //获取课程的购买信息
                Song.Entities.Student_Course sc = Business.Do<ICourse>().StudentCourse(stid, c.Cou_ID);
                if (sc != null)
                {
                    //addParas.Add("starttime", sc.Stc_StartTime);
                    //addParas.Add("endtime", sc.Stc_EndTime);
                    c.starttime = sc.Stc_StartTime.ToString();
                    c.endtime = sc.Stc_EndTime.ToString();

                }
                //tm += "" + c.ToJson(null, null, addParas);
                //if (i < courses.Count - 1) tm += ",";
            }
            //return tm;
        }


    }
}