//
//  Combine+Extensions.swift
//
//  Copyright (c) 2021 Evolv Technology Solutions
//
//  Licensed under the Apache License, Version 2.0 (the "License");
//  you may not use this file except in compliance with the License.
//  You may obtain a copy of the License at
//
//  http://www.apache.org/licenses/LICENSE-2.0
//
//  Unless required by applicable law or agreed to in writing, software
//  distributed under the License is distributed on an "AS IS" BASIS,
//  WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
//  See the License for the specific language governing permissions and
//  limitations under the License.
//

import Combine

extension Subscribers.Completion {
    func resultRepresentation<T>(withSuccessCase successCase: T) -> Result<T, Failure> {
        let result: Result<T, Failure>
        
        switch self {
        case .finished:
            result = .success(successCase)
        case .failure(let error):
            result = .failure(error)
        }
        
        return result
    }
}

extension Just {
    func eraseToAnyPublisherWithError() -> AnyPublisher<Output, Error> {
        self.tryMap { $0 }
            .eraseToAnyPublisher()
    }
}

extension Subscribers.Completion {
    var isFinished: Bool {
        switch self {
        case .finished:
            return true
        case .failure(_):
            return false
        }
    }
}
