import ExpoModulesCore
import StoreKit

public class StoreReviewModule: Module {
  public func definition() -> ModuleDefinition {
    Name("ExpoStoreReview")

    AsyncFunction("isAvailableAsync") { () -> Bool in
      return !isRunningFromTestFlight()
    }

    AsyncFunction("requestReview") { @MainActor () async throws in
      guard let currentScene = getForegroundActiveScene() else {
        // If no valid foreground scene is found, throw an exception
        // as the review prompt won't be visible in background
        throw MissingCurrentWindowSceneException()
      }
      if #available(iOS 16.0, *) {
        AppStore.requestReview(in: currentScene)
      } else {
        SKStoreReviewController.requestReview(in: currentScene)
      }
    }
  }

  @MainActor
  private func getForegroundActiveScene() -> UIWindowScene? {
    // First try to find a foreground active scene
    if let activeScene = UIApplication.shared.connectedScenes.first(where: { $0.activationState == .foregroundActive }) as? UIWindowScene {
      return activeScene
    }

    // If no foreground active scene is found (e.g., app is in App Switcher),
    // try to find any foreground inactive scene
    if let foregroundScene = UIApplication.shared.connectedScenes.first(where: {
      $0.activationState == .foregroundInactive
    }) as? UIWindowScene {
      return foregroundScene
    }

    // If no valid foreground scene is found, return nil
    return nil
  }

  private func isRunningFromTestFlight() -> Bool {
    #if targetEnvironment(simulator)
    return false
    #endif

    // For apps distributed through TestFlight or intalled from Xcode the receipt file is named "StoreKit/sandboxReceipt"
    // instead of "StoreKit/receipt"
    let isSandboxEnv = Bundle.main.appStoreReceiptURL?.lastPathComponent == "sandboxReceipt"

    // Apps distributed through TestFlight or the App Store will not have an embedded provisioning profile
    // Source: https://developer.apple.com/documentation/technotes/tn3125-inside-code-signing-provisioning-profiles#Profile-location
    return isSandboxEnv && !hasEmbeddedMobileProvision()
  }

  private func hasEmbeddedMobileProvision() -> Bool {
    return (Bundle.main.path(forResource: "embedded", ofType: "mobileprovision") != nil)
  }
}