using Church.Net.DAL.EFCoreDBF;
using Church.Net.Entity;
using Church.Net.Utility;
using Microsoft.EntityFrameworkCore;
using System;
using System.Collections.Generic;
using System.Diagnostics.Metrics;
using System.Linq;

namespace WebAPI.Logics
{
    public class HappinessGroupLogic
    {
        private readonly ICrudDAL<HappinessGroup> groupCrudDAL;
        private readonly ICrudDAL<HappinessWeek> weekCrudDAL;
        string[] weekTitles = new string[] { "真幸福", "真相大白", "萬世巨星", "幸福連線", "當上帝來敲門", "十字架的勝利", "釋放與自由", "幸福的教會" };

        public HappinessGroupLogic(
            ICrudDAL<HappinessGroup> groupCrudDAL,
            ICrudDAL<HappinessWeek> weekCrudDAL
            )
        {
            this.groupCrudDAL = groupCrudDAL;
            this.weekCrudDAL = weekCrudDAL;
        }

        public List<HappinessGroup> GetAllGroups()
        {
            var list = groupCrudDAL.GetDbSet().Include(g => g.BestList).Include(g => g.Weeks).ToList();

            foreach (var group in list)
            {
                if (group.Weeks == null || group.Weeks.Count() == 0)
                {
                    group.Weeks = new List<HappinessWeek>();
                    for (int i = 1; i <= 8; i++)
                    {
                        var week = GetHappinessWeek(group, i);
                        group.Weeks.Add(week);
                        weekCrudDAL.CreateOrUpdate(week, out string weekId);
                    }
                }
                group.Weeks = group.Weeks.OrderBy(w => w.SEQ).ToList();
            }


            return list;


        }

        public int UpdateWeekInfo(HappinessWeek value)
        {
            if (value.UpdateRestWeekDate)
            {
                var list = weekCrudDAL.GetAll(week => week.SEQ >= value.SEQ && week.GroupId == value.GroupId).OrderBy(w => w.SEQ).ToList();
                var tempDate = new DateTime(value.Date.Year, value.Date.Month, value.Date.Day, value.Date.Hour, value.Date.Minute, value.Date.Second);
                int count = 0;
                foreach (var week in list)
                {
                    week.Date = tempDate.AddDays(count * 7);
                    week.Address = value.Address;
                    week.CityAndZipCode = value.CityAndZipCode;
                    week.InvitationText = value.InvitationText;
                    count++;
                }
                return weekCrudDAL.UpdateRange(list);
            }
            return weekCrudDAL.CreateOrUpdate(value, out string id);

        }

        private HappinessWeek GetHappinessWeek(HappinessGroup group, int weekNo)
        {
            return new HappinessWeek()
            {
                GroupId = group.Id,
                Address = group.Address,
                CityAndZipCode = group.CityAndZipCode,
                Date = group.BeginTime.AddDays(7 * (weekNo - 1)),
                SEQ = weekNo
            };
        }
    }
}