//
//  ConnectionService+Configurations.swift
//  Passepartout
//
//  Created by Davide De Rosa on 10/22/18.
//  Copyright (c) 2018 Davide De Rosa. All rights reserved.
//
//  https://github.com/keeshux
//
//  This file is part of Passepartout.
//
//  Passepartout 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.
//
//  Passepartout 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 Passepartout.  If not, see <http://www.gnu.org/licenses/>.
//

import Foundation

extension ConnectionService {
    func save(configurationURL: URL, for profile: ConnectionProfile) throws -> URL {
        let destinationURL = targetConfigurationURL(for: profile)
        let fm = FileManager.default
        try? fm.removeItem(at: destinationURL)
        try fm.copyItem(at: configurationURL, to: destinationURL)
        return destinationURL
    }
    
    func configurationURL(for profile: ConnectionProfile) -> URL? {
        let url = targetConfigurationURL(for: profile)
        guard FileManager.default.fileExists(atPath: url.path) else {
            return nil
        }
        return url
    }

    private func targetConfigurationURL(for profile: ConnectionProfile) -> URL {
        let contextURL = ConnectionService.ProfileKey(profile).contextURL(in: self)
        return contextURL.appendingPathComponent(profile.id).appendingPathExtension("ovpn")
    }
}