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

namespace Saxonite.Net.Core.Web.Online.Controllers
{
	//=======================================================================
	// Online Search Controller - Users - Ajax actions.
	//=======================================================================
	partial class SearchController
	{
		//-------------------------------------------------------------------
		// Account - Get Users.
		//-------------------------------------------------------------------
		private class UserListData
		{
			public String Id { get; set; }
			public String Name { get; set; }
			public String Location { get; set; }
		}
		private class AjaxResponse_Search_Users : AjaxResponse_Data
		{
			// Construction.
			public AjaxResponse_Search_Users(SaxModel_Online model) : base(model) { }
			// User list.
			public List<UserListData> Users { get; } = new List<UserListData>();
		}
		// Ajax request.
		[HttpPost]
		[Route("Search/Ajax/Users")]
		[Route("Search/Ajax/GetUsers")]
		public IActionResult Ajax_GetUsers(Model_Search_Users model)
		{
			String fn = GetType().Name + ".Ajax_GetUsers";
			AjaxResponse_Search_Users responseData = new AjaxResponse_Search_Users(model);
			String messageTitle = Localiser["label.users"];

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

			// Ensure data is paged to avoid leaking large volumes.
			model.Paging.PageNo = Math.Max(1, model.Paging.PageNo);
			model.Paging.PageLength = Math.Max(Math.Min(Sax.Config.Online.Search.Users.PageLengthMax, model.Paging.PageLength), (ushort)1);

			// Ensure filter has something to restrict the list.
			// ToDo May be able to show some results, such as friends when no filter provided.
			if (StringUtil.IsEmpty(StringUtil.TrimAll(model.Filter.User)))
			{
				responseData.SetPaging(model);
				responseData.Success = true;
				return Json(responseData);
			}

			// Query users that user is a member of.
			SaxUserAccount.Params prmUserAccount = new SaxUserAccount.Params();
			prmUserAccount.UserFilter = model.Filter.User;
			if (SysId.IsValid(model.FilterSportId))
				prmUserAccount.SportIdsIncluded.Add(model.FilterSportId);
			if (SysId.IsValid(model.FilterRegionId))
				prmUserAccount.RegionIdsIncluded.Add(model.FilterRegionId);
			prmUserAccount.StatusCat = SaxUserAccount.StatusCat.ActiveOnly;
			model.Paging.ItemTotal = (ulong)AccountMgr.GetUserAccountCount(prmUserAccount);
			model.PopulatePagingTo(prmUserAccount.ResultsPaging);

			List<SaxUserAccount> users = AccountMgr.GetUserAccountList(prmUserAccount);
			List<SysId> userIds = users.GetIds();

			// Item columns.
			ColumnDfn colId = AccountMgr.GetUserAccountColumnDfn(SaxUserAccount.Column.Id);
			ColumnDfn colTitle = AccountMgr.GetUserAccountColumnDfn(SaxUserAccount.Column.Title);
			ColumnDfn colFirstName = AccountMgr.GetUserAccountColumnDfn(SaxUserAccount.Column.FirstName);
			ColumnDfn colLastName = AccountMgr.GetUserAccountColumnDfn(SaxUserAccount.Column.LastName);
			ColumnDfn colRegionCountryName = AccountMgr.GetUserAccountColumnDfn(SaxUserAccount.Column.RegionCountry_Name);
			ColumnDfn colRegionProvinceName = AccountMgr.GetUserAccountColumnDfn(SaxUserAccount.Column.RegionProvince_Name);
			List<ColumnDfn> columns = new List<ColumnDfn>()
			{
				colId, colTitle, colFirstName, colLastName,
				colRegionCountryName,colRegionProvinceName,
			};

			// Sort columns.
			colLastName.SortAscending = true;
			prmUserAccount.SortColumns.Add(colLastName);

			// Query items.
			using (DbResultSet resultSet = AccountMgr.ExecuteUserAccountQuery(columns, prmUserAccount))
			{
				while (resultSet != null && resultSet.HasRows && resultSet.NextRecord())
				{
					NamedValue.Map values = resultSet.GetRecordValues();
					String displayName = SaxUserAccount.GetDisplayName(values.GetString(colTitle.DataName), values.GetString(colFirstName.DataName), values.GetString(colLastName.DataName));
					List<String> location = new List<string>() { values.GetString(colRegionProvinceName.DataName), values.GetString(colRegionCountryName.DataName) };
					UserListData userData = new UserListData()
					{
						Id = model.EncryptId(new SysId(values.GetLong(colId.DataName))),
						Name = displayName,
						Location = location.Concat(", ", "", "", true, true),
					};
					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);
		}
		//-------------------------------------------------------------------
		// Account - Get Users.
		//-------------------------------------------------------------------
		private class UserData
		{
			public String Id { get; set; }
			public String Name { get; set; }
			public String Location { get; set; }
		}
		private class AjaxResponse_Search_User : AjaxResponse_Data
		{
			// Construction.
			public AjaxResponse_Search_User(SaxModel_Online model) : base(model) { }
			// User list.
			public UserData User { get; set; }
		}
		// Ajax request.
		[HttpPost]
		[Route("Search/Ajax/User")]
		[Route("Search/Ajax/GetUser")]
		public IActionResult Ajax_GetUser(Model_Search_Users model)
		{
			String fn = GetType().Name + ".Ajax_GetUser";
			AjaxResponse_Search_User responseData = new AjaxResponse_Search_User(model);
			String messageTitle = Localiser["label.user"];

			// 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<IDisposable> disposableItems = new DisposableCollection<IDisposable>())
			{
				// Retrieve user.
				SysId userAccountId = model.ExtractSysId(model.UserId);
				if (!SysId.IsValid(userAccountId))
				{
					SaLogger.Warn(fn + " User Id not supplied.");
					return Json(responseData);
				}
				SaxUserAccount userAccount = AccountMgr.GetUserAccountById(userAccountId);
				if (userAccount == null)
				{
					SaLogger.Warn(fn + " Failed to retrieve user. Id: " + model.UserId);
					return Json(responseData);
				}
				disposableItems.Add(userAccount);

				// Populate response.
				List<String> location = new List<string>() { model.GetRegionCaption(userAccount.RegionIdProvince), model.GetRegionCaption(userAccount.RegionIdCountry) };
				UserData userData = new UserData()
				{
					Id = model.EncryptId(userAccount.Id),
					Name = userAccount.GetDisplayName(),
					Location = location.Concat(", ", "", "", true, true),
				};
				responseData.User = userData;
			}

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

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