using System;
using System.Collections.Generic;
using System.Linq;
using System.Net;
using System.Net.Http;
using System.Web.Http;

namespace ChatRoomServer.Www.Areas.Api.Controllers
{
	using System.Data.Entity;
	using System.Threading.Tasks;
	using System.Web.Mvc;
	using ChatRoomServer.Db;
	using Newtonsoft.Json;

	[System.Web.Http.RoutePrefix("api/room")]
	public class RoomController : ApiController
	{
		[AllowAnonymous]
		[System.Web.Http.Route("list"), System.Web.Http.HttpGet, OutputCache(Duration = 600)]
		public async Task<object> GetAnnouncements()
		{
			var db = new ChatDb();
			var items = await db.Rooms.AsNoTracking().ToArrayAsync();
			var sgroup = await db.ServerGroups.AsNoTracking().ToDictionaryAsync(s => s.ID);

			var result = items.Select(s => new
			{
				id = s.ID,
				onlinecount = s.OnlineCount,
				room_people_num = 1000,
				category = s.Category,
				url = (sgroup.GetValue(s.ServerGroup)?.Url.EnsureEndWith("/") ?? "") + "room/" + s.ID + "/#uid#",
				status = s.Status,
				name = s.Name
			}).ToArray();

			return result;
		}

		[Route("updateOnlineCount")]
		[HttpPost]
		public async Task<string> UpdateOnlineCount(string data)
		{
			//limit to local
			if (!RequestContext.IsLocal)
				return "Invalid operation.";

			var db = new ChatDb();
			var rooms = await db.Rooms.ToDictionaryAsync(s => s.ID);
			var idata = JsonConvert.DeserializeAnonymousType(data, System.FishLib.CollectionUtility.CreateAnymousTypeList(new { id = "", count = 0 }));
			foreach (var x1 in idata)
			{
				var room = rooms.GetValue(x1.id);
				if (room != null)
					room.OnlineCount = x1.count;
			}
			await db.SaveChangesAsync();

			return "Operation succeed";
		}
	}
}