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.Email;
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 Saxonite.Net.Standard.Base.Helpers;
using System;
using System.Collections.Generic;
using System.Linq;
using System.Threading.Tasks;

namespace Saxonite.Net.Core.Web.Admin.Controllers
{
	//=======================================================================
	// Controller: Organisation - Activation - Ajax
	//=======================================================================
	partial class OrganisationController
	{
		//-------------------------------------------------------------------
		// Get Organisation Activation Info ajax request.
		//-------------------------------------------------------------------
		private class AjaxResponse_OrganisationActivationInfo : AjaxResponse_Data
		{
			// Construction.
			public AjaxResponse_OrganisationActivationInfo(SaxModel_Admin model) : base(model) { }
			// Organisation details.
			public OrganisationData_Full organisation { get; } = new OrganisationData_Full();
			// Member awaiting activation.
			public List<MemberData_List> Members { get; } = new List<MemberData_List>();
		}
		//-------------------------------------------------------------------
		[HttpPost]
		[Route("Organisation/Ajax/GetActivationInfo")]
		public IActionResult Ajax_GetActivationInfo(Model_Organisation model)
		{
			String fn = GetType().Name + ".Ajax_GetActivationInfo";
			String messageTitle = Localiser["organisation.caption.organisation"];
			AjaxResponse_OrganisationActivationInfo responseData = new AjaxResponse_OrganisationActivationInfo(model);

			// Validate session.
			if (!ValidUserSession)
				return GetAjaxResult_InvalidSession(responseData);

			if (StringUtil.IsEmpty(SessionConfig.URL.Online.Root))
				return Json(responseData.SetMessage(messageTitle, "Root online URL not specified."));

			// Identify item.
			SysId organisationId = model.OrganisationId.ToSysId();
			if (!SysId.IsValid(organisationId))
			{
				SaLogger.Warn(fn + " Request to get activation info without valid organisation Id.");
				return Json(responseData.SetMessage(messageTitle, Localiser["msg.error.item.id.not.specified"]));
			}

			// Retrieve item.
			SaxOrganisation organisation = AccountMgr.GetOrganisationById(organisationId);
			if (organisation == null)
			{
				SaLogger.Warn(fn + " Failed to retrieve organisation for Id: '" + model.OrganisationId + "'");
				return Json(responseData.SetMessage(messageTitle, Localiser["msg.error.item.id.not.found"]));
			}

			// Construct response.
			PopulateOrganisationResponseData(organisation, responseData.organisation);
			GetOrganisationMembers(model, organisationId, responseData.Members);

			// Complete response.
			responseData.Success = true;

			return Json(responseData);
		}

		//-------------------------------------------------------------------
		// Activate Organisation ajax request.
		//-------------------------------------------------------------------
		[HttpPost]
		[Route("Organisation/Ajax/Activate")]
		[Route("Organisation/Ajax/ActivateItem")]
		public IActionResult Ajax_Activate(Model_Organisation model)
		{
			String fn = GetType().Name + ".Ajax_Activate";
			String messageTitle = Localiser["organisation.caption.organisation"];
			AjaxResponse_Organisation responseData = new AjaxResponse_Organisation(model);

			// Validate session.
			if (!ValidUserSession)
				return GetAjaxResult_InvalidSession(responseData);

			// Validate item properties.
			model.ValidateOrganisationData(responseData);
			if (responseData.HasControlErrors())
				return Json(responseData);

			// Retrieve existing item.
			SysId organisationId = model.OrganisationId.ToSysId();
			SaxOrganisation organisation = AccountMgr.GetOrganisationById(organisationId);
			if (organisation == null && SysId.IsValid(organisationId))
			{
				SaLogger.Warn(fn + " Failed to retrieve organisation for Id: '" + model.OrganisationId + "'");
				return Json(responseData.SetMessage(messageTitle, Localiser["msg.error.item.id.not.found"]));
			}

			// Activate organisation.
			organisation.Status = Sarand.Net.Standard.Base.Core.SaStatus.Active;
			if (!AccountMgr.UpdateOrganisation(organisation, DbUpdateInfo))
			{
				SaLogger.Warn(fn + " Failed to update organisation [Id:" + SysId.ToString(organisation.Id) + "]: " + AccountMgr.ErrorStateMessage);
				return Json(responseData.SetMessage(messageTitle, Localiser["msg.error.item.update.failed"] + "\n\n" + AccountMgr.ErrorStateMessage));
			}

			// Activate awaiting members and send welcome email to each.
			SaxUserOrganisation.Params prmUserOrganisation = new SaxUserOrganisation.Params();
			prmUserOrganisation.OrganisationIdsIncluded.Add(organisationId);
			prmUserOrganisation.UserAccountStatusCat = SaxUserAccount.StatusCat.AwaitingOnly;
			prmUserOrganisation.StatusCat = SaxUserOrganisation.StatusCat.ActiveOnly;
			List<SaxUserOrganisation> userOrganisations = new List<SaxUserOrganisation>();
			foreach (SaxUserOrganisation userOrganisation in userOrganisations)
			{
				using (SaxUserAccount userAccount = AccountMgr.GetUserAccountById(userOrganisation.UserAccountId))
				{
					if (userAccount == null) continue;
					userAccount.Status = SaStatus.Active;
					if (AccountMgr.UpdateUserAccount(userAccount, DbUpdateInfo))
					{
						// Send welcome email.
						SaEmailData emailData = new SaEmailData();
						emailData.Config = EmailConfig;
						emailData.AddressesTo.Add(userAccount.EmailAddress);
						emailData.Subject = Localiser["security.caption.request.password"];
						PopulateAccountActivatedEmailBody(emailData, userAccount);
						if (EmailConsole.SendEmail(emailData))
							SaLogger.Info(fn + " Password request email sent to " + userAccount.EmailAddress, true);
						else SaLogger.Warn(fn + " Failed to send password request email to " + userAccount.EmailAddress);
					}
					else
					{
						SaLogger.Warn(fn + " Failed to update organisation [Id:" + SysId.ToString(organisation.Id) + "]: " + AccountMgr.ErrorStateMessage);
					}
				}
			}

			// Construct response.
			PopulateOrganisationResponseData(organisation, responseData.organisation);

			// Complete response.
			responseData.Success = true;

			return Json(responseData);
		}

		//-------------------------------------------------------------------
		private void PopulateAccountActivatedEmailBody(SaEmailData emailData, SaxUserAccount userAccount)
		{
			// Will need to handle culture (language/country) as and when introduced.
			emailData.MessageBody = SaxResourceHelper.GetTextResource(SaxResourceHelper.TextResource.Email_Security_AccountActivated_Html);
			emailData.HtmlBody = true;

			// Replace dynamic tags.
			EmailConsole.ReplaceDynamicEmailBodyTags(emailData, null, userAccount);

			// Replace dynamic tag for link back to change password page.
			SaEmailConsole.ReplaceDynamicEmailTag(emailData, "[#Link.RequestPassword]", SecurityController.GenerateRequestPasswordLink(this, userAccount.Id, userAccount.EmailAddress, "", SessionConfig.URL.Online.Root));
			SaEmailConsole.ReplaceDynamicEmailTag(emailData, "[#Link.ExpiresMinutes]", SecurityController.GetRequestPasswordEmailLinkExpiresMinutes(this).ToString());
		}

		//-------------------------------------------------------------------
	}
}