using Model;
using System;
using System.Collections.Generic;
using System.Data.Entity;
using System.Linq;
using System.Threading.Tasks;
using System.Web;
using System.Web.Http;

/// <summary>
/// guadanGuestQueryController 的摘要描述
/// </summary>
public class guadanGuestQueryController: ApiController
{
    private Model.ezEntities _db = new Model.ezEntities();
    public guadanGuestQueryController()
    {
        //
        // TODO: 在這裡新增建構函式邏輯
        //
    }
    [HttpPost]
    [Route("api/guadan/guest/query/list")]
    public async Task<IHttpActionResult> GetList([FromBody] SearchGuestModel search)
    {
        var query = _db.GuaDanOrderGuest
            .Where(guest => guest.StatusCode != "404");
        if(search.SearchName != null)
        {
            query = query.Where(guest => guest.followers.u_name.Contains(search.SearchName));
        }
        if(search.searchCheckInDate != null)
        {
            query = query.Where(guest => guest.CheckInAt == search.searchCheckInDate);
        }
        if(search.searchCheckOutDate != null)
        {
            query = query.Where(guest => guest.CheckOutAt == search.searchCheckOutDate);
        }
        if(search.searchCheckInDateStart != null)
        {
            query = query.Where(guest => guest.CheckInAt >= search.searchCheckInDateStart);
        }
        if (search.searchCheckInDateEnd != null)
        {
            query = query.Where(guest => guest.CheckInAt <= search.searchCheckInDateEnd);
        }
        if (search.searchCheckOutDateStart != null)
        {
            query = query.Where(guest => guest.CheckOutAt >= search.searchCheckOutDateStart);
        }
        if (search.searchCheckOutDateEnd != null)
        {
            query = query.Where(guest => guest.CheckOutAt <= search.searchCheckOutDateEnd);
        }
        var totalCount = await query.CountAsync();
        var pagedData = await query
        .OrderByDescending(a => a.CheckInAt) // 可根据需要排序
        .Skip((search.Page - 1) * search.PageSize)
        .Take(search.PageSize)
        .ToListAsync();
        var data1 = pagedData.Select(a => new
        {
            name = a.followers != null ? a.followers.u_name : null,
            checkindate = a.CheckInAt,
            checkoutdate = a.CheckOutAt,
            guadanorderno = a.GuaDanOrderNo,
            roomName = GetRoomAndBedString(a.RegionRoomBed),
        }).ToList();
        return Ok(new
        {
            items = data1,
            total = totalCount,
        });
    }
    public string GetRoomAndBedString(RegionRoomBed bed)
    {
        if (bed == null || bed.Room == null) return "";
        var room = bed.Room;
        var region = room.Region;
        var name = room.Name + "/" + bed.Name;
        if(region != null)
        {
            name = region.Name + "/" + name;
        }
        var parentRegion = region.Region2;
        while (parentRegion != null)
        {
            name = parentRegion.Name + "/" + name;
            parentRegion = parentRegion.Region2;
        }
        return name;
    }
    public class SearchGuestModel
    {
        public string SearchName = null;
        public int Page = 1;
        public int PageSize = 10;
        public DateTime? searchCheckInDateStart = null;//入住日期的开始
        public DateTime? searchCheckInDateEnd = null;//入住日期的结束
        public DateTime? searchCheckOutDateStart = null;//退房日期的开始
        public DateTime? searchCheckOutDateEnd = null;//退房日期的结束
        public DateTime? searchCheckInDate = null;
        public DateTime? searchCheckOutDate = null;
    }
}