import Foundation

public struct SaplingConfiguration: Hashable, Codable, Sendable {
    public var recentWorkspaceURLs: [URL]
    public var defaultBranchName: String
    public var autosavesDrafts: Bool

    public init(
        recentWorkspaceURLs: [URL] = [],
        defaultBranchName: String = "main",
        autosavesDrafts: Bool = true
    ) {
        self.recentWorkspaceURLs = recentWorkspaceURLs
        self.defaultBranchName = defaultBranchName
        self.autosavesDrafts = autosavesDrafts
    }
}

public protocol ConfigurationStore: Sendable {
    func loadConfiguration() throws -> SaplingConfiguration
    func saveConfiguration(_ configuration: SaplingConfiguration) throws
}

public final class InMemoryConfigurationStore: ConfigurationStore, @unchecked Sendable {
    private var configuration: SaplingConfiguration

    public init(configuration: SaplingConfiguration = SaplingConfiguration()) {
        self.configuration = configuration
    }

    public func loadConfiguration() throws -> SaplingConfiguration {
        configuration
    }

    public func saveConfiguration(_ configuration: SaplingConfiguration) throws {
        self.configuration = configuration
    }
}