//
//  RESTRequestExecutor+Stubs.swift
//  MullvadVPNTests
//
//  Created by Marco Nikic on 2023-10-03.
//  Copyright © 2025 Mullvad VPN AB. All rights reserved.
//

import Foundation
import MullvadREST
import MullvadTypes

struct RESTRequestExecutorStub<Success: Sendable>: RESTRequestExecutor {
    var success: (() -> Success)?

    func execute(completionHandler: @escaping (Result<Success, Error>) -> Void) -> Cancellable {
        if let result = success?() {
            completionHandler(.success(result))
        }
        return AnyCancellable()
    }

    func execute(
        retryStrategy: REST.RetryStrategy,
        completionHandler: @escaping (Result<Success, Error>) -> Void
    ) -> Cancellable {
        if let result = success?() {
            completionHandler(.success(result))
        }
        return AnyCancellable()
    }

    func execute() async throws -> Success {
        try await execute(retryStrategy: .noRetry)
    }

    func execute(retryStrategy: REST.RetryStrategy) async throws -> Success {
        guard let success = success else { throw POSIXError(.EINVAL) }

        return success()
    }
}