using LinqKit;
using New_College.IRepository;
using New_College.IRepository.UnitOfWork;
using New_College.Model;
using New_College.Model.Models;
using New_College.Model.ViewModels;
using New_College.Repository.Base;
using SqlSugar;
using System;
using System.Linq;
using System.Threading.Tasks;

namespace New_College.Repository
{
    /// <summary>
    /// T_EnrollmentPlanedescRepository
    /// </summary>
    public class T_EnrollmentPlanedescRepository : BaseRepository<T_EnrollmentPlanedesc>, IT_EnrollmentPlanedescRepository
    {
        private readonly IV_CustomerInfoRepository v_CustomerInfo;
        private readonly IT_EnrollmentPlaneRepository t_EnrollmentPlane;
        public T_EnrollmentPlanedescRepository(IUnitOfWork unitOfWork, IV_CustomerInfoRepository _CustomerInfoRepository, IT_EnrollmentPlaneRepository t_EnrollmentPlaneRepository) : base(unitOfWork)
        {
            this.v_CustomerInfo = _CustomerInfoRepository;
            this.t_EnrollmentPlane = t_EnrollmentPlaneRepository;


        }

        /// <summary>
        /// 智能选大学
        /// </summary>
        /// <param name="query"></param>
        /// <returns></returns>
        public async Task<PageModel<UniversityResult>> GetRecommendUniversity(RecommendUniversityQuery query)
        {
            RefAsync<int> totalNumber = 0;
            var maxscore = query.Score + 10;
            var minscore = query.Score - 10;
            var custome = (await this.v_CustomerInfo.QueryById(query.CustomerId));
            int planId = (await t_EnrollmentPlane.Query(e => e.Years == custome.Year && e.Area_Id == custome.AreaId)).FirstOrDefault().Id;

            var subjects = new string[] { };
            string sbuOne = string.Empty;
            string sbuTwo = string.Empty;
            string sbuTree = string.Empty;
            if (!string.IsNullOrWhiteSpace(query.SubjectClaim))
            {
                subjects = query.SubjectClaim.Split(",");
                sbuOne = subjects[0];
                sbuTwo = subjects[1];
                sbuTree = subjects[2];
            }
            var recommendInfo = await this.Db.Queryable<T_EnrollmentPlanedesc, D_University>((plans, universitys) => new object[] { JoinType.Left, plans.UniversityId == universitys.Id })
                .Where((plans, universitys) => plans.PlanId == planId)
                .WhereIF(query.SubjectLevel >0, (plans, universitys) => universitys.Subject_Level == query.SubjectLevel)
                .WhereIF(query.Type >= 0, (plans, universitys) => universitys.Type == query.Type)
                .WhereIF(query.Nhef >= 0, (plans, universitys) => universitys.Nhef == query.Nhef)
                .WhereIF(query.Sff >= 0, (plans, universitys) => universitys.Sff == query.Sff)
                .WhereIF(query.Syl >= 0, (plans, universitys) => universitys.Syl == query.Syl)
                .WhereIF(query.Nature > 0, (plans, universitys) => universitys.Nature == query.Nature)
                .WhereIF(!string.IsNullOrWhiteSpace(query.AreaName) && query.AreaName != "选择省份", (plans, universitys) => universitys.Area_Name.Contains(query.AreaName))
                .WhereIF(maxscore > 10, (plans, universitys) => plans.Scoreline <= maxscore)
                .WhereIF(minscore > 0, (plans, universitys) => plans.Scoreline > minscore)
                .WhereIF(query.Ranking > 0, (plans, universitys) => plans.scorepostion >= query.Ranking + 1)
                .WhereIF(!string.IsNullOrWhiteSpace(query.SubjectClaim), (plans, universitys) => (plans.Subjectclaim.Contains(sbuOne) || plans.Subjectclaim.Contains(sbuTwo) || plans.Subjectclaim.Contains(sbuTree)))
                .OrderBy((plans, universitys) => plans.Scoreline, OrderByType.Desc)
                .Select((plans, universitys) => new UniversityResult()
                {
                    Id = plans.Id,
                    Name = universitys.Name,
                    Nature = universitys.Nature,
                    AscriptionName = universitys.AscriptionName,
                    SubjectLevel = universitys.Subject_Level,
                    AreaName = universitys.Area_Name,
                    Logo = universitys.Logo,
                    Syl = universitys.Syl == 1 ? true : false,
                    Nhef = universitys.Nhef == 1 ? true : false,
                    Sff = universitys.Sff == 1 ? true : false,
                    UniversityType = universitys.Type,
                    Scorepostion = plans.scorepostion.Value,
                    ScoreLine = plans.Scoreline
                })
                .ToPageListAsync(query.PageIndex, query.PageSize, totalNumber);
            return new PageModel<UniversityResult>()
            {
                data = recommendInfo,
                page = query.PageIndex,
                PageSize = query.PageSize,
                dataCount = totalNumber,
                pageCount = (int)Math.Ceiling(totalNumber / Convert.ToDecimal(query.PageSize))
            };

        }
    }
}