import ComposableArchitecture
import Foundation

/// Process-scoped switches. Experimental mirror services are disabled with their UI.
nonisolated struct FeatureFlags: Equatable, Sendable {
  let workflowUI: Bool
  let remoteMirror: Bool

  init(environment: [String: String]) {
    remoteMirror = environment["PROWL_REMOTE_MIRROR"] == "1"
    workflowUI = environment["PROWL_WORKFLOW_UI"].map { $0 == "1" } ?? true
  }

  func showsSkill(_ id: String) -> Bool {
    workflowUI || id != "prowl-workflow"
  }
}

extension FeatureFlags: DependencyKey {
  static let liveValue = FeatureFlags(environment: ProcessInfo.processInfo.environment)
  // Workflow feature tests exercise the default UI; switch tests inject off.
  static let testValue = FeatureFlags(environment: [
    "PROWL_WORKFLOW_UI": "1", "PROWL_REMOTE_MIRROR": "1",
  ])
}

extension DependencyValues {
  var featureFlags: FeatureFlags {
    get { self[FeatureFlags.self] }
    set { self[FeatureFlags.self] = newValue }
  }
}