//
//  SaveResult.swift
//  HardcoreData
//
//  Copyright (c) 2014 John Rommel Estropia
//
//  Permission is hereby granted, free of charge, to any person obtaining a copy
//  of this software and associated documentation files (the "Software"), to deal
//  in the Software without restriction, including without limitation the rights
//  to use, copy, modify, merge, publish, distribute, sublicense, and/or sell
//  copies of the Software, and to permit persons to whom the Software is
//  furnished to do so, subject to the following conditions:
//
//  The above copyright notice and this permission notice shall be included in all
//  copies or substantial portions of the Software.
//
//  THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND, EXPRESS OR
//  IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF MERCHANTABILITY,
//  FITNESS FOR A PARTICULAR PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE
//  AUTHORS OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR OTHER
//  LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR OTHERWISE, ARISING FROM,
//  OUT OF OR IN CONNECTION WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE
//  SOFTWARE.
//

import Foundation


// MARK: - SaveResult

public enum SaveResult {
    
    case Success(hasChanges: Bool)
    case Failure(NSError)
    
    internal init(hasChanges: Bool) {
        
        self = .Success(hasChanges: hasChanges)
    }
    
    internal init(_ error: NSError) {
        
        self = .Failure(error)
    }
    
    internal init(_ errorCode: HardcoreDataErrorCode) {
        
        self.init(errorCode, userInfo: nil)
    }
    
    internal init(_ errorCode: HardcoreDataErrorCode, userInfo: [NSObject: AnyObject]?) {
        
        self.init(NSError(
            hardcoreDataErrorCode: errorCode,
            userInfo: userInfo))
    }
}


// MARK: - SaveResult: BooleanType

extension SaveResult: BooleanType {
    
    public var boolValue: Bool {
        
        switch self {
        case .Success: return true
        case .Failure: return false
        }
    }
}