var
	_ = require('_'),
	ko = require('ko'),

	Utils = require('Common/Utils'),

	PgpStore = require('Stores/User/Pgp'),

	AbstractModel = require('Knoin/AbstractModel');

/**
 * @constructor
 * @param {string} iIndex
 * @param {string} sGuID
 * @param {string} sID
 * @param {array} aIDs
 * @param {array} aUserIDs
 * @param {array} aEmails
 * @param {boolean} bIsPrivate
 * @param {string} sArmor
 * @param {string} sUserID
 */
function OpenPgpKeyModel(iIndex, sGuID, sID, aIDs, aUserIDs, aEmails, bIsPrivate, sArmor, sUserID)
{
	AbstractModel.call(this, 'OpenPgpKeyModel');

	this.index = iIndex;
	this.id = sID;
	this.ids = Utils.isNonEmptyArray(aIDs) ? aIDs : [sID];
	this.guid = sGuID;
	this.users = aUserIDs;
	this.emails = aEmails;
	this.armor = sArmor;
	this.isPrivate = !!bIsPrivate;

	this.selectUser(sUserID);

	this.deleteAccess = ko.observable(false);
}

_.extend(OpenPgpKeyModel.prototype, AbstractModel.prototype);

OpenPgpKeyModel.prototype.index = 0;
OpenPgpKeyModel.prototype.id = '';
OpenPgpKeyModel.prototype.ids = [];
OpenPgpKeyModel.prototype.guid = '';
OpenPgpKeyModel.prototype.user = '';
OpenPgpKeyModel.prototype.users = [];
OpenPgpKeyModel.prototype.email = '';
OpenPgpKeyModel.prototype.emails = [];
OpenPgpKeyModel.prototype.armor = '';
OpenPgpKeyModel.prototype.isPrivate = false;

OpenPgpKeyModel.prototype.getNativeKey = function()
{
	var oKey = null;
	try
	{
		oKey = PgpStore.openpgp.key.readArmored(this.armor);
		if (oKey && !oKey.err && oKey.keys && oKey.keys[0])
		{
			return oKey;
		}
	}
	catch (e)
	{
		Utils.log(e);
	}

	return null;
};

OpenPgpKeyModel.prototype.getNativeKeys = function()
{
	var oKey = this.getNativeKey();
	return oKey && oKey.keys ? oKey.keys : null;
};

OpenPgpKeyModel.prototype.select = function(sPattern, sProperty)
{
	if (this[sProperty])
	{
		var index = this[sProperty].indexOf(sPattern);
		if (-1 !== index)
		{
			this.user = this.users[index];
			this.email = this.emails[index];
		}
	}
};

OpenPgpKeyModel.prototype.selectUser = function(sUser)
{
	this.select(sUser, 'users');
};

OpenPgpKeyModel.prototype.selectEmail = function(sEmail)
{
	this.select(sEmail, 'emails');
};

module.exports = OpenPgpKeyModel;