//
//  DateFormatterTransform.swift
//  ObjectMapper
//
//  Created by Tristan Himmelman on 2015-03-09.
//
//  The MIT License (MIT)
//
//  Copyright (c) 2014-2016 Hearst
//
//  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

open class DateFormatterTransform: TransformType {
    public typealias Object = Date
    public typealias JSON = String

    public let dateFormatter: DateFormatter

    public init(dateFormatter: DateFormatter) {
        self.dateFormatter = dateFormatter
    }

    open func transformFromJSON(_ value: Any?) -> Date? {
        if let dateString = value as? String {
            return dateFormatter.date(from: dateString)
        }
        return nil
    }

    open func transformToJSON(_ value: Date?) -> String? {
        if let date = value {
            return dateFormatter.string(from: date)
        }
        return nil
    }
}
