// ── Feature Flag Client ───────────────────────────────────────
// Thin wrapper over ByteLystPlatformSDK's BLFeatureFlagClient.
// Keeps existing call-site API (FeatureFlagService.shared.isEnabled).

import Foundation
import ByteLystPlatformSDK

@MainActor
final class FeatureFlagService: ObservableObject {
    static let shared = FeatureFlagService()

    @Published private(set) var flags: [String: Bool] = [:]
    private let flagClient: BLFeatureFlagClient

    private init() {
        let config = BLPlatformConfig.fromInfoPlist(
            productId: "chronomind",
            defaultBaseURL: "https://api.chronomind.app",
            bundleId: "com.saravana.chronomind"
        )
        let client = BLPlatformClient(config: config)
        flagClient = BLFeatureFlagClient(config: config, client: client)
    }

    // MARK: - Public API

    func start(userId: String? = nil) {
        flagClient.start(userId: userId)
    }

    func stop() {
        flagClient.stop()
    }

    func isEnabled(_ key: String) -> Bool {
        flagClient.isEnabled(key)
    }
}