// The MIT License
//
// Original work sponsored and donated by The Danish Health Data Authority (http://www.sundhedsdatastyrelsen.dk)
//
// Copyright (C) 2020 The Danish Health Data Authority (http://www.sundhedsdatastyrelsen.dk)
//
// 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

public enum NetworkError: Equatable {
    case missingInternetConnection
    case cancelled
    case unexpectedError(NSError)
}

public enum MockError: Error {
    case randomFail
}

public enum ServiceError: Error {
    case backendError(ProblemDetails)
    case failedToParseResponse
    case networkError(NetworkError)
    case unexpectedError(Error?)
}

public struct ProblemDetails: Decodable, Error, LocalizedError {
    public let type: String
    public let title: String
    public let status: Int
    public let instance: String
    public let detail: String
    public let debugging: String?
    public let invalidParams: [ProblemDetails.Parameter]

    public struct Parameter: Decodable {
        public let path: String
        public let name: String
        public let reason: String
    }

    public var errorDescription: String? {
        detail
    }
}