using Microsoft.AspNetCore.Mvc;
using Sarand.Net.Standard.Base.App;
using Sarand.Net.Standard.Base.Bus;
using Sarand.Net.Standard.Base.Core;
using Sarand.Net.Standard.Base.Dbas;
using Sarand.Net.Standard.Base.Utils;
using Saxonite.Net.Core.Web.Admin.Models;
using Saxonite.Net.Standard.Base.App;
using Saxonite.Net.Standard.Base.Bus;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace Saxonite.Net.Core.Web.Admin.Controllers
{
	//=======================================================================
	partial class UsersOnlineController
	{
		//-------------------------------------------------------------------
		// User data.
		private class UserListData : AjaxResponse_Data.ItemData_Base
		{
			public String EmailAddress { get; set; }
			public String DisplayName { get; set; }
			public String Title { get; set; }
			public String FirstName { get; set; }
			public String LastName { get; set; }
			public String LastLoginAt { get; set; }
			public String OnlineAt { get; set; }
		}
		private class UserItemData : UserListData
		{
		}
		private void PopulateUserResponseListData(SaxModel_Admin model, UserListData data, SaxUserAccount user, SaxUserOnline userOnline)
		{
			data.Id = SysId.ToString(user.Id);
			data.EmailAddress = user.EmailAddress;
			data.DisplayName = user.GetDisplayName();
			data.Title = user.Title;
			data.FirstName = user.FirstName;
			data.LastName = user.LastName;
			data.LastLoginAt = model.FormatDateTimeForDisplay(user.LastLoginAt);
			if (userOnline != null)
				data.OnlineAt = model.FormatDateTimeForDisplay(userOnline.OnlineAt);
		}
		private void PopulateUserResponseItemData(SaxModel_Admin model, UserItemData data, SaxUserAccount user, SaxUserOnline userOnline)
		{
			PopulateUserResponseListData(model, data, user, userOnline);
		}

		//-------------------------------------------------------------------
		// Utilities.

		//-------------------------------------------------------------------
		// Get User List ajax request.
		//-------------------------------------------------------------------
		private class AjaxResponse_UserList : AjaxResponse_Data
		{
			// Construction.
			public AjaxResponse_UserList(SaxModel_Admin model) : base(model) { }
			// User list.
			public List<UserListData> Users { get; } = new List<UserListData>();
		}
		//-------------------------------------------------------------------
		[HttpPost]
		[Route("UsersOnline/Ajax/GetList")]
		[Route("UsersOnline/Ajax/GetUsers")]
		[Route("UsersOnline/Ajax/GetUserList")]
		public IActionResult Ajax_GetUsersOnlineList(Model_User model)
		{
			String fn = GetType().Name + ".Ajax_GetUsersOnlineList";
			String messageTitle = Localiser["label.users.online"];
			AjaxResponse_UserList responseData = new AjaxResponse_UserList(model);

			// Validate session and referrer.
			if (!ValidReferer) return Forbid();
			if (!ValidUserSession) return GetAjaxResult_InvalidSession(responseData);
			RefreshModel(model);

			// Item filter.
			SaxUserOnline.Params prmUserOnline = new SaxUserOnline.Params();
			prmUserOnline.UserFilterPartial = model.Filter.User;
			prmUserOnline.SportIdsIncluded.AddId(model.Filter.UserSportId.ToSysId());
			prmUserOnline.RegionIdsIncluded.AddId(model.Filter.UserRegionId.ToSysId());
			model.Paging.ItemTotal = (ulong)AccountMgr.GetUserOnlineCount(prmUserOnline);
			model.PopulatePagingTo(prmUserOnline.ResultsPaging);

			// Item columns.
			ColumnDfn colUserAccountId = AccountMgr.GetUserOnlineColumnDfn(SaxUserOnline.Column.UserAccountId);
			ColumnDfn colEmail = AccountMgr.GetUserOnlineColumnDfn(SaxUserOnline.Column.EmailAddress);
			ColumnDfn colTitle = AccountMgr.GetUserOnlineColumnDfn(SaxUserOnline.Column.Title);
			ColumnDfn colFirstName = AccountMgr.GetUserOnlineColumnDfn(SaxUserOnline.Column.FirstName);
			ColumnDfn colLastName = AccountMgr.GetUserOnlineColumnDfn(SaxUserOnline.Column.LastName);
			ColumnDfn colLastLogin = AccountMgr.GetUserOnlineColumnDfn(SaxUserOnline.Column.LastLoginAt);
			ColumnDfn colOnlineAt = AccountMgr.GetUserOnlineColumnDfn(SaxUserOnline.Column.OnlineAt);
			List<ColumnDfn> columns = new List<ColumnDfn>()
			{
				colUserAccountId,
				colEmail, colTitle, colFirstName, colLastName,
				colLastLogin, colOnlineAt
			};

			// Query items.
			using (DbResultSet resultSet = AccountMgr.ExecuteUserOnlineQuery(columns, prmUserOnline))
			{
				while (resultSet != null && resultSet.HasRows && resultSet.NextRecord())
				{
					NamedValue.Map values = resultSet.GetRecordValues();
					UserListData userData = new UserListData()
					{
						Id = values.GetString(colUserAccountId.DataName),
						EmailAddress = values.GetString(colEmail.DataName),
						Title = values.GetString(colTitle.DataName),
						FirstName = values.GetString(colFirstName.DataName),
						LastName = values.GetString(colLastName.DataName),
						LastLoginAt = model.FormatDateTimeForDisplay(values.GetDateTime(colLastLogin.DataName)),
						OnlineAt = model.FormatDateTimeForDisplay(values.GetDateTime(colOnlineAt.DataName)),
					};
					userData.DisplayName = SaxUserAccount.GetDisplayName(userData.Title, userData.FirstName, userData.LastName);
					responseData.Users.Add(userData);
				}
			}
			if (model.Paging.IsPaged)
				model.Paging.ItemCount = (ushort)responseData.Users.Count;

			// Complete response.
			responseData.SetPaging(model);
			responseData.Success = true;
			return Json(responseData);
		}

		//-------------------------------------------------------------------
		// Get User ajax request.
		//-------------------------------------------------------------------
		private class AjaxResponse_User : AjaxResponse_Data
		{
			// Construction.
			public AjaxResponse_User(SaxModel_Admin model) : base(model) { }
			// User details.
			public UserItemData user { get; } = new UserItemData();
		}
		//-------------------------------------------------------------------
		[HttpPost]
		[Route("UsersOnline/Ajax/GetItem")]
		[Route("UsersOnline/Ajax/GetUser")]
		public IActionResult Ajax_GetUser(Model_User model)
		{
			String fn = GetType().Name + ".Ajax_GetUser";
			String messageTitle = Localiser["user.caption.user"];
			AjaxResponse_User responseData = new AjaxResponse_User(model);

			// Validate session and referrer.
			if (!ValidReferer) return Forbid();
			if (!ValidUserSession) return GetAjaxResult_InvalidSession(responseData);
			RefreshModel(model);

			// Record disposable items as they are created so all can be disposed when needed.
			using (DisposableCollection<SacsHierarchyItem> disposableItems = new DisposableCollection<SacsHierarchyItem>())
			{

				// Identify item.
				SysId userAccountId = model.UserId.ToSysId();
				if (!SysId.IsValid(userAccountId))
					return Json(responseData.SetMessage(messageTitle, Localiser["msg.error.item.id.not.specified"]));

				// Retrieve item.
				SaxUserAccount user = AccountMgr.GetUserAccountById(userAccountId);
				disposableItems.Add(user);
				if (user == null)
				{
					SaLogger.Warn(fn + " Failed to retrieve user for Id: '" + userAccountId + "'");
					return Json(responseData.SetMessage(messageTitle, Localiser["msg.error.item.id.not.found"]));
				}

				// User Online.
				SaxUserOnline userOnline = AccountMgr.GetUserOnlineByUserAccountId(user.Id);
				disposableItems.Add(userOnline);

				// Construct response.
				PopulateUserResponseItemData(model, responseData.user, user, userOnline);
				responseData.Success = true;
			}
			return Json(responseData);
		}

		//-------------------------------------------------------------------
	}
	//=======================================================================
}