import ExpoModulesCore
import WatchConnectivity

public class WatchConnectivityModule: Module {
    public func definition() -> ModuleDefinition {
        Name("WatchConnectivity")

        AsyncFunction("isSupported") { () -> Bool in
            return WCSession.isSupported()
        }

        AsyncFunction("isPaired") { () -> Bool in
            return WCSession.default.isPaired
        }

        AsyncFunction("isWatchAppInstalled") { () -> Bool in
            return WCSession.default.isWatchAppInstalled
        }

        AsyncFunction("isReachable") { () -> Bool in
            return WCSession.default.isReachable
        }

        AsyncFunction("sendWorkoutPlan") { (plan: [String: Any], promise: Promise) in
            var message = plan
            message["type"] = "workoutPlan"

            if WCSession.default.isReachable {
                WCSession.default.sendMessage(message, replyHandler: { reply in
                    promise.resolve(reply)
                }, errorHandler: { error in
                    promise.reject(error)
                })
            } else {
                WCSession.default.transferUserInfo(message)
                promise.resolve(["status": "queued"])
            }
        }

        AsyncFunction("sendWorkoutCompletion") { (data: [String: Any], promise: Promise) in
            var message = data
            message["type"] = "workoutCompleted"

            if WCSession.default.isReachable {
                WCSession.default.sendMessage(message, replyHandler: { reply in
                    promise.resolve(reply)
                }, errorHandler: { error in
                    promise.reject(error)
                })
            } else {
                WCSession.default.transferUserInfo(message)
                promise.resolve(["status": "queued"])
            }
        }

        AsyncFunction("getApplicationContext") { () -> [String: Any]? in
            return WCSession.default.receivedApplicationContext as [String: Any]
        }

        AsyncFunction("updateApplicationContext") { (context: [String: Any]) in
            try? WCSession.default.updateApplicationContext(context)
        }
    }
}