//
//  GoogleHelpers.cs
//
//  Author:
//       Paul Schneider <paul@pschneider.fr>
//
//  Copyright (c) 2015 GNU GPL
//
//  This program is free software: you can redistribute it and/or modify
//  it under the terms of the GNU Lesser General Public License as published by
//  the Free Software Foundation, either version 3 of the License, or
//  (at your option) any later version.
//
//  This program is distributed in the hope that it will be useful,
//  but WITHOUT ANY WARRANTY; without even the implied warranty of
//  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
//  GNU Lesser General Public License for more details.
//
//  You should have received a copy of the GNU Lesser General Public License
//  along with this program.  If not, see <http://www.gnu.org/licenses/>.
using System;
using Yavsc.Model.Google;
using System.Web.Profile;
using System.Configuration;
using System.Web;

namespace Yavsc.Helpers.Google
{
	/// <summary>
	/// Google helpers.
	/// </summary>
	public static class GoogleHelpers
	{
		/// <summary>
		/// Gets the events.
		/// </summary>
		/// <returns>The events.</returns>
		/// <param name="profile">Profile.</param>
		/// <param name="mindate">Mindate.</param>
		/// <param name="maxdate">Maxdate.</param>
		public static CalendarEventList GetEvents(this ProfileBase profile, DateTime mindate, DateTime maxdate)
		{
			string gcalid = (string) profile.GetPropertyValue ("gcalid");
			if (string.IsNullOrWhiteSpace (gcalid))
				throw new ArgumentException ("NULL gcalid");
			CalendarApi c = new CalendarApi (clientApiKey);
			string creds = OAuth2.GetFreshGoogleCredential (profile);
			return c.GetCalendar (gcalid, mindate, maxdate, creds);
		}
		/// <summary>
		/// Gets the calendars.
		/// </summary>
		/// <returns>The calendars.</returns>
		/// <param name="profile">Profile.</param>
		public static CalendarList GetCalendars (this ProfileBase profile)
		{
			string cred = OAuth2.GetFreshGoogleCredential (profile);
			CalendarApi c = new CalendarApi (clientApiKey);
			return c.GetCalendars (cred);
		}

		private static string clientId = ConfigurationManager.AppSettings ["GOOGLE_CLIENT_ID"];
		private static string clientSecret = ConfigurationManager.AppSettings ["GOOGLE_CLIENT_SECRET"];
		private static string clientApiKey = ConfigurationManager.AppSettings ["GOOGLE_API_KEY"];
		/// <summary>
		/// Login the specified response, state and callBack.
		/// </summary>
		/// <param name="response">Response.</param>
		/// <param name="state">State.</param>
		/// <param name="callBack">Call back.</param>
		public static void Login(this HttpResponseBase response, string state, string callBack)
		{
			OAuth2 oa = new OAuth2 (callBack, clientId,clientSecret);
			oa.Login (response, state);
		}
		/// <summary>
		/// Cals the login.
		/// </summary>
		/// <param name="response">Response.</param>
		/// <param name="state">State.</param>
		/// <param name="callBack">Call back.</param>
		public static void CalLogin(this HttpResponseBase response, string state, string callBack)
		{
			OAuth2 oa = new OAuth2 (callBack,clientId,clientSecret);
			oa.GetCalendarScope (response, state);
		}
		/// <summary>
		/// Creates the O auth2.
		/// </summary>
		/// <returns>The O auth2.</returns>
		/// <param name="callBack">Call back.</param>
		public static OAuth2 CreateOAuth2(string callBack)
		{
			return new OAuth2 (callBack,clientId,clientSecret);
		}
	}
}