/*
 * Copyright Amazon.com, Inc. or its affiliates. All Rights Reserved.
 * SPDX-License-Identifier: MIT-0
 */
 
import AmazonChimeSDK
import AmazonChimeSDKMedia
import AVFoundation
import Flutter
import Foundation
import UIKit

class MyRealtimeObserver: RealtimeObserver {
    weak var methodChannel: MethodChannelCoordinator?

    init(withMethodChannel methodChannel: MethodChannelCoordinator) {
        self.methodChannel = methodChannel
    }

    func volumeDidChange(volumeUpdates: [VolumeUpdate]) {
        // Out of scope
    }

    func signalStrengthDidChange(signalUpdates: [SignalUpdate]) {
        // Out of scope
    }

    func attendeesDidJoin(attendeeInfo: [AttendeeInfo]) {
        for currentAttendeeInfo in attendeeInfo {
            methodChannel?.callFlutterMethod(method: .join, args: attendeeInfoToDictionary(attendeeInfo: currentAttendeeInfo))
        }
    }

    func attendeesDidLeave(attendeeInfo: [AttendeeInfo]) {
        for currentAttendeeInfo in attendeeInfo {
            methodChannel?.callFlutterMethod(method: .leave, args: attendeeInfoToDictionary(attendeeInfo: currentAttendeeInfo))
        }
    }

    func attendeesDidDrop(attendeeInfo: [AttendeeInfo]) {
        for currentAttendeeInfo in attendeeInfo {
            methodChannel?.callFlutterMethod(method: .drop, args: attendeeInfoToDictionary(attendeeInfo: currentAttendeeInfo))
        }
    }

    func attendeesDidMute(attendeeInfo: [AttendeeInfo]) {
        for currentAttendeeInfo in attendeeInfo {
            methodChannel?.callFlutterMethod(method: .mute, args: attendeeInfoToDictionary(attendeeInfo: currentAttendeeInfo))
        }
    }

    func attendeesDidUnmute(attendeeInfo: [AttendeeInfo]) {
        for currentAttendeeInfo in attendeeInfo {
            methodChannel?.callFlutterMethod(method: .unmute, args: attendeeInfoToDictionary(attendeeInfo: currentAttendeeInfo))
        }
    }

    private func attendeeInfoToDictionary(attendeeInfo: AttendeeInfo) -> [String: String] {
        return [
            "attendeeId": attendeeInfo.attendeeId,
            "externalUserId": attendeeInfo.externalUserId
        ]
    }
}