//
//  Copyright (c) 2020 Touch Instinct
//
//  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

@available(iOS 11.0, *)
open class UnarchiverKeyValueDecoder: CodableKeyValueDecoder {
    public init() {}

    open func decodeDecodable<Value: Decodable>(from data: Data, for key: StorageKey<Value>) throws -> Value {
        let unarchiver: NSKeyedUnarchiver

        do {
            unarchiver = try NSKeyedUnarchiver(forReadingFrom: data)
        } catch {
            throw StorageError.unableToDecode(underlyingError: error)
        }

        defer {
            unarchiver.finishDecoding()
        }

        guard let decodableObject = unarchiver.decodeDecodable(Value.self, forKey: key.rawValue) else {
            throw StorageError.valueNotFound
        }

        return decodableObject
    }
}