using System;
using System.IO;
using System.Xml.Serialization;
using System.Web.Script.Serialization;

namespace CPE.App.Web.Connect {

	/// <summary>
	/// Holds the various parameters for connecting to the API including the hostname and session key.
	/// </summary>
	[Serializable]
	public class Session {

		/// <summary>
		/// The host to access for connecting to the API.
		/// </summary>
		/// <example>https://admin.acrobat.com</example>
		public string Hostname { get; set; }

		/// <summary>
		/// The unique encrypted key that identifies this login and session to Connect.
		/// </summary>
		public string SessionKey { get; set; }

		/// <summary>
		/// Specifies the hostname of the proxy to route all requests through.
		/// </summary>
		public string Proxy { get; set; }

		/// <summary>
		/// Initializes a new session.
		/// </summary>
		public Session() { }

		/// <summary>
		/// Checks whether the current session is working and valid.
		/// </summary>
		public bool IsValid() {

			// Only logged in users may view shortcuts
			var request = new Request(this, "sco-shortcuts");
			return (request.Execute() && request.Status == Status.OK);
		}

		/// <summary>
		/// Checks whether the current session's login has administrative permissions.
		/// </summary>
		public bool IsAdministrator() {

			// Call admin-only report-quotas action
			var request = new Request(this, "report-quotas");
			return (request.Execute() && request.Status == Status.OK);
		}


	    private CommonInfo _commonInfo;
        public CommonInfo CommonInfo
	    {
	        get
	        {
                if (_commonInfo == null)
                {
                    // Query common-info for user information
                    var request = new Request(this, "common-info");

                    if (request.Execute() && request.Status == Status.OK)
                        _commonInfo = new CommonInfo(request.XmlResults);
                }
	            return _commonInfo;
	        }
	    }

		/// <summary>
		/// Returns the user information tied to this session.
		/// </summary>
        public CommonInfo.UserInfo UserInfo {
			get {

			    var common = CommonInfo;
                if (common != null)
                    return common.User;
				return null;
			}
		}


	    private PrincipalInfo _principalInfo = null;
		/// <summary>
		/// Returns the detailed principal information for the user tied to this session.
		/// </summary>
        public PrincipalInfo PrincipalInfo {
			get {
                if (_principalInfo == null)
                {
                    var request = new Request(this, "principal-info");
                    request.Parameters.Add("principal-id", UserInfo.UserId.ToString());

                    if (request.Execute() && request.Status == Status.OK)
                    {
                        _principalInfo = new PrincipalInfo(request.XmlResults);
                    }
                }

                return _principalInfo;
			}
		}
	}
}