#if canImport(Testing)
import Dependencies
import DependenciesTestSupport
import SourceControlClient
import Testing

public struct SourceControlClientBackend: Sendable {
    public var makeClient: @Sendable () -> SourceControlClient

    public init(_ makeClient: @escaping @Sendable () -> SourceControlClient) {
        self.makeClient = makeClient
    }

    public static var unimplemented: Self {
        Self { .unimplemented }
    }

    public static func client(
        _ client: @autoclosure @escaping @Sendable () -> SourceControlClient
    ) -> Self {
        Self { client() }
    }
}

public extension Trait where Self == _DependenciesTrait {
    static func sourceControlClient(_ backend: SourceControlClientBackend) -> Self {
        .dependencies {
            $0.context = .test
            $0.sourceControl = backend.makeClient()
        }
    }
}
#endif