using Microsoft.Extensions.Configuration;
using Sarand.Net.Standard.Base.Core;
using Sarand.Net.Standard.Base.Email;
using Saxonite.Net.Standard.Base.App;
using Saxonite.Net.Standard.Base.Bus;
using Saxonite.Net.Core.Web.Base.App;
using System;
using System.Collections.Generic;
using System.Text;
using Saxonite.Net.Standard.Base.Consoles;
using Sarand.Net.Standard.Base.Utils;

namespace Saxonite.Net.Core.Web.Base.Helpers
{
	//=======================================================================
	public static class SaxEmailConfigHelper
	{
		//-------------------------------------------------------------------
		/// <summary>Extract the email configurations from the application settings.</summary>
		public static Dictionary<String, SaxEmailConfig> ExtractEmailConfigs(IConfigurationSection emailConfigsSection)
		{
			Dictionary<String, SaxEmailConfig> emailConfigs = new Dictionary<String, SaxEmailConfig>();
			foreach (ConfigurationSection emailConfigSection in emailConfigsSection.GetChildren())
			{
				if (!StringUtil.IsEmpty(emailConfigSection.Key))
					emailConfigs.Add(emailConfigSection.Key, CreateEmailConfig(emailConfigSection.Key, emailConfigSection));
			}
			return emailConfigs;
		}
		private static SaxEmailConfig CreateEmailConfig(String context, ConfigurationSection emailConfigSection)
		{
			SaxEmailConfig emailConfig = new SaxEmailConfig(context);
			if (emailConfigSection != null)
			{
				IConfigurationSection message = emailConfigSection.GetSection("Message");
				emailConfig.Message.AddressFrom = message["AddressFrom"];
				foreach (var addressBcc in message.GetSection("AddressesBcc").GetChildren())
					emailConfig.Message.AddressesBcc.Add(StringUtil.TrimAll(addressBcc.Value));
				IConfigurationSection smtp = emailConfigSection.GetSection("SMTP");
				emailConfig.SMTP.Server = smtp["Server"];
				emailConfig.SMTP.ServerPort = StringUtil.ToInt(smtp["ServerPort"]);
				emailConfig.SMTP.UseSSL = StringUtil.ToBool(smtp["UseSSL"]);
				IConfigurationSection send = emailConfigSection.GetSection("Send");
				emailConfig.Send.Using = send["Using"];
				emailConfig.Send.UserName = send["UserName"];
				emailConfig.Send.Password = send["Password"];
			}
			return emailConfig;
		}

		//-------------------------------------------------------------------
		// Send email.
		public static bool SendEmail(SaEmailData emailData)
		{
			// ToDo return EmailConsole.SendEmail(emailData);
			throw new NotSupportedException();
		}

		//-------------------------------------------------------------------
		/// <summary>
		/// Replace dynamic tags in email message body.
		/// <para></para>
		/// </summary>
		public static void ReplaceDynamicEmailBodyTags(SaEmailData emailData, SaxSessionData sessionData, SaxUserAccount userAccount)
		{
			// Replace core tags, eg. main stylesheet.
			// ToDo. EmailConsole.ReplaceDynamicEmailTags(emailData);

			// Replace tags known to the web application.

		}

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

	//=======================================================================
	public static class EmailConfigList
	{
		public static SaxEmailConfig getConfigForSession(this List<SaxEmailConfig> emailConfigs, SaxAppConfig appConfig)
		{
			if (appConfig != null && !StringUtil.IsEmpty(appConfig.Email.Context))
			{
				foreach (SaxEmailConfig emailConfig in emailConfigs)
				{
					if (emailConfig.Context.EqualsCI(appConfig.Email.Context))
						return emailConfig;
				}
			}
			return new SaxEmailConfig("");
		}
	}

	//=======================================================================
}