/*
* Copyright (c) 2010-2023 Belledonne Communications SARL.
*
* This file is part of Linphone
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU 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 General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/

import linphonesw

final class CoreContext : ObservableObject {
	
	static let shared = CoreContext()
	
	var mCore: Core!
	var mRegistrationDelegate : CoreDelegate!
	
	var coreVersion: String = Core.getVersion
    @Published var loggedIn : Bool = false
	
	private init() {}
	
	func initialiseCore() async throws {
		LoggingService.Instance.logLevel = LogLevel.Debug
		
		let factory = Factory.Instance
		let configDir = factory.getConfigDir(context: nil)
		try? mCore = Factory.Instance.createCore(configPath: "\(configDir)/MyConfig", factoryConfigPath: "", systemContext: nil)
		try? mCore.start()
		
		// Create a Core listener to listen for the callback we need
		// In this case, we want to know about the account registration status
		mRegistrationDelegate = CoreDelegateStub(onAccountRegistrationStateChanged: { (core: Core, account: Account, state: RegistrationState, message: String) in
			
			// If account has been configured correctly, we will go through Progress and Ok states
			// Otherwise, we will be Failed.
			NSLog("New registration state is \(state) for user id \( String(describing: account.params?.identityAddress?.asString()))\n")
			if (state == .Ok) {
				self.loggedIn = true
			} else if (state == .Cleared) {
				self.loggedIn = false
			}
		})
		mCore.addDelegate(delegate: mRegistrationDelegate)
	}
}