//

// StringeeCallManager.m

// stringee_flutter_plugin

//

// Created by HoangDuoc on 1/8/21.

//

#import "StringeeCallManager.h"

#import "StringeeFlutterPlugin.h"

#import "StringeeManager.h"

#import "StringeeHelper.h"

@implementation StringeeCallManager {

StringeeClient *_client;

FlutterEventSink _eventSink;

NSArray *DTMF;

NSString *_identifier;

}

- (instancetype)initWithIdentifier:(NSString *)identifier

{

self = [super init];

if (self) {

_identifier = identifier;

DTMF = @[@"0", @"1", @"2", @"3", @"4", @"5", @"6", @"7", @"8", @"9", @"*", @"#"];

}

return self;

}

- (instancetype)init

{

self = [super init];

if (self) {

DTMF = @[@"0", @"1", @"2", @"3", @"4", @"5", @"6", @"7", @"8", @"9", @"*", @"#"];

}

return self;

}

- (void)setClient:(StringeeClient *)client {

_client = client;

}

- (void)setEventSink:(FlutterEventSink)eventSink {

_eventSink = eventSink;

}

#pragma mark - Call Actions

- (void)makeCall:(id)arguments result:(FlutterResult)result {

if (![arguments isKindOfClass:[NSDictionary class]]) {

result(@{STEStatus : @(NO), STECode : @(-4), STEMessage: @"The parameters format is invalid.", @"callInfo" : [NSNull null]});

return;

}

NSDictionary *data = (NSDictionary *)arguments;

NSString *from = data[@"from"];

NSString *to = data[@"to"];

NSNumber *isVideoCall = data[@"isVideoCall"];

NSString *customData = data[@"customData"];

NSString *videoQuality = data[@"videoQuality"];

StringeeCall *outgoingCall = [[StringeeCall alloc] initWithStringeeClient:_client from:from to:to];

outgoingCall.delegate = self;

outgoingCall.isVideoCall = [isVideoCall boolValue];

if (customData && ![customData isKindOfClass:[NSNull class]]) {

if ([customData isKindOfClass:[NSString class]] && customData.length) {

outgoingCall.customData = customData;

}

}

if (videoQuality && ![videoQuality isKindOfClass:[NSNull class]]) {

if ([videoQuality isEqualToString:@"NORMAL"]) {

outgoingCall.videoResolution = VideoResolution_Normal;

} else if ([videoQuality isEqualToString:@"HD"]) {

outgoingCall.videoResolution = VideoResolution_HD;

} else {

outgoingCall.videoResolution = VideoResolution_HD;

}

}

[outgoingCall makeCallWithCompletionHandler:^(BOOL status, int code, NSString *message, NSString *data) {

if (status) {

[[StringeeManager instance].calls setObject:outgoingCall forKey:outgoingCall.callId];

}

result(@{STEStatus : @(status), STECode : @(code), STEMessage: message, @"callInfo" : [StringeeHelper StringeeCall:outgoingCall]});

}];

}

- (void)initAnswer:(id)arguments result:(FlutterResult)result {

if (!_client || !_client.hasConnected) {

result(@{STEStatus : @(NO), STECode : @(-1), STEMessage: @"StringeeClient is not initialzied or connected."});

return;

}

NSDictionary *data = (NSDictionary *)arguments;

NSString *callId = data[@"callId"];

if (!callId || [callId isKindOfClass:[NSNull class]] || !callId.length) {

result(@{STEStatus : @(NO), STECode : @(-2), STEMessage: @"Init answer call failed. The callId is invalid."});

return;

}

StringeeCall *call = [[StringeeManager instance].calls objectForKey:callId];

if (!call) {

result(@{STEStatus : @(NO), STECode : @(-3), STEMessage: @"Init answer call failed. The call is not found."});

return;

}

[call initAnswerCall];

result(@{STEStatus : @(YES), STECode : @(0), STEMessage: @"Init answer call successfully."});

}

- (void)answer:(id)arguments result:(FlutterResult)result {

NSDictionary *data = (NSDictionary *)arguments;

NSString *callId = data[@"callId"];

if (!callId || [callId isKindOfClass:[NSNull class]] || !callId.length) {

result(@{STEStatus : @(NO), STECode : @(-2), STEMessage: @"Answer call failed. The callId is invalid."});

return;

}

StringeeCall *call = [[StringeeManager instance].calls objectForKey:callId];

if (!call) {

result(@{STEStatus : @(NO), STECode : @(-3), STEMessage: @"Answer call failed. The call is not found."});

return;

}

[call answerCallWithCompletionHandler:^(BOOL status, int code, NSString *message) {

result(@{STEStatus : @(status), STECode : @(code), STEMessage: message});

}];

}

- (void)hangup:(id)arguments result:(FlutterResult)result {

NSDictionary *data = (NSDictionary *)arguments;

NSString *callId = data[@"callId"];

if (!callId || [callId isKindOfClass:[NSNull class]] || !callId.length) {

result(@{STEStatus : @(NO), STECode : @(-2), STEMessage: @"Hangup call failed. The callId is invalid."});

return;

}

StringeeCall *call = [[StringeeManager instance].calls objectForKey:callId];

if (!call) {

result(@{STEStatus : @(NO), STECode : @(-3), STEMessage: @"Hangup call failed. The call is not found."});

return;

}

[call hangupWithCompletionHandler:^(BOOL status, int code, NSString *message) {

result(@{STEStatus : @(status), STECode : @(code), STEMessage: message});

}];

}

- (void)reject:(id)arguments result:(FlutterResult)result {

NSDictionary *data = (NSDictionary *)arguments;

NSString *callId = data[@"callId"];

if (!callId || [callId isKindOfClass:[NSNull class]] || !callId.length) {

result(@{STEStatus : @(NO), STECode : @(-2), STEMessage: @"Reject call failed. The callId is invalid."});

return;

}

StringeeCall *call = [[StringeeManager instance].calls objectForKey:callId];

if (!call) {

result(@{STEStatus : @(NO), STECode : @(-3), STEMessage: @"Reject call failed. The call is not found."});

return;

}

[call rejectWithCompletionHandler:^(BOOL status, int code, NSString *message) {

result(@{STEStatus : @(status), STECode : @(code), STEMessage: message});

}];

}

- (void)sendDtmf:(id)arguments result:(FlutterResult)result {

if (!_client || !_client.hasConnected) {

result(@{STEStatus : @(NO), STECode : @(-1), STEMessage: @"StringeeClient is not initialzied or connected."});

return;

}

NSDictionary *data = (NSDictionary *)arguments;

NSString *callId = [data objectForKey:@"callId"];

NSString *dtmf = [data objectForKey:@"dtmf"];

if (!callId || [callId isKindOfClass:[NSNull class]] || !callId.length) {

result(@{STEStatus : @(NO), STECode : @(-2), STEMessage: @"Failed to send. The callId is invalid."});

return;

}

if (!dtmf || [dtmf isKindOfClass:[NSNull class]] || !dtmf.length || ![DTMF containsObject:dtmf]) {

result(@{STEStatus : @(NO), STECode : @(-4), STEMessage: @"Failed to send. The dtmf is invalid."});

return;

}

StringeeCall *call = [[StringeeManager instance].calls objectForKey:callId];

if (!call) {

result(@{STEStatus : @(NO), STECode : @(-3), STEMessage: @"Failed to send. The call is not found."});

return;

}

CallDTMF dtmfParam;

if ([dtmf isEqualToString:@"0"]) {

dtmfParam = CallDTMFZero;

}

else if ([dtmf isEqualToString:@"1"]) {

dtmfParam = CallDTMFOne;

}

else if ([dtmf isEqualToString:@"2"]) {

dtmfParam = CallDTMFTwo;

}

else if ([dtmf isEqualToString:@"3"]) {

dtmfParam = CallDTMFThree;

}

else if ([dtmf isEqualToString:@"4"]) {

dtmfParam = CallDTMFFour;

}

else if ([dtmf isEqualToString:@"5"]) {

dtmfParam = CallDTMFFive;

}

else if ([dtmf isEqualToString:@"6"]) {

dtmfParam = CallDTMFSix;

}

else if ([dtmf isEqualToString:@"7"]) {

dtmfParam = CallDTMFSeven;

}

else if ([dtmf isEqualToString:@"8"]) {

dtmfParam = CallDTMFEight;

}

else if ([dtmf isEqualToString:@"9"]) {

dtmfParam = CallDTMFNine;

}

else if ([dtmf isEqualToString:@"*"]) {

dtmfParam = CallDTMFStar;

}

else {

dtmfParam = CallDTMFPound;

}

[call sendDTMF:dtmfParam completionHandler:^(BOOL status, int code, NSString *message) {

result(@{STEStatus : @(status), STECode : @(code), STEMessage: message});

}];

}

- (void)sendCallInfo:(id)arguments result:(FlutterResult)result {

if (!_client || !_client.hasConnected) {

result(@{STEStatus : @(NO), STECode : @(-1), STEMessage: @"StringeeClient is not initialzied or connected."});

return;

}

NSDictionary *data = (NSDictionary *)arguments;

NSString *callId = [data objectForKey:@"callId"];

NSDictionary *callInfo = [data objectForKey:@"callInfo"];

if (!callId || [callId isKindOfClass:[NSNull class]] || !callId.length) {

result(@{STEStatus : @(NO), STECode : @(-2), STEMessage: @"Failed to send. The callId is invalid."});

return;

}

if (!callInfo || ![callInfo isKindOfClass:[NSDictionary class]]) {

result(@{STEStatus : @(NO), STECode : @(-4), STEMessage: @"The call info is invalid."});

return;

}

StringeeCall *call = [[StringeeManager instance].calls objectForKey:callId];

if (!call) {

result(@{STEStatus : @(NO), STECode : @(-3), STEMessage: @"Failed to send. The call is not found."});

return;

}

[call sendCallInfo:data completionHandler:^(BOOL status, int code, NSString *message) {

if (status) {

result(@{STEStatus : @(YES), STECode : @(0), STEMessage: @"Sends successfully"});

} else {

result(@{STEStatus : @(NO), STECode : @(-1), STEMessage: @"Failed to send. The client is not connected to Stringee Server."});

}

}];

}

- (void)getCallStats:(id)arguments result:(FlutterResult)result {

if (!_client) {

result(@{STEStatus : @(NO), STECode : @(-1), STEMessage: @"StringeeClient is not initialzied or connected."});

return;

}

NSDictionary *data = (NSDictionary *)arguments;

NSString *callId = data[@"callId"];

if (!callId || [callId isKindOfClass:[NSNull class]] || !callId.length) {

result(@{STEStatus : @(NO), STECode : @(-2), STEMessage: @"The callId is invalid."});

return;

}

StringeeCall *call = [[StringeeManager instance].calls objectForKey:callId];

if (!call) {

result(@{STEStatus : @(NO), STECode : @(-3), STEMessage: @"The call is not found."});

return;

}

[call statsWithCompletionHandler:^(NSDictionary<NSString *,NSString *> *values) {

id dic;

if (values != nil) {

dic = [[NSMutableDictionary alloc] initWithDictionary:values];

long long milliseconds = (long long)([[NSDate date] timeIntervalSince1970] * 1000);

[dic setValue:@(milliseconds) forKey:@"timeStamp"];

} else {

dic = [NSNull null];

}

result(@{STEStatus : @(YES), STECode : @(0), STEMessage: @"Success", @"stats" : dic});

}];

}

- (void)mute:(id)arguments result:(FlutterResult)result {

if (!_client || !_client.hasConnected) {

result(@{STEStatus : @(NO), STECode : @(-1), STEMessage: @"StringeeClient is not initialzied or connected."});

return;

}

NSDictionary *data = (NSDictionary *)arguments;

NSString *callId = [data objectForKey:@"callId"];

BOOL mute = [[data objectForKey:@"mute"] boolValue];

if (!callId || [callId isKindOfClass:[NSNull class]] || !callId.length) {

result(@{STEStatus : @(NO), STECode : @(-2), STEMessage: @"The callId is invalid."});

return;

}

StringeeCall *call = [[StringeeManager instance].calls objectForKey:callId];

if (!call) {

result(@{STEStatus : @(NO), STECode : @(-3), STEMessage: @"The call is not found."});

return;

}

[call mute:mute];

result(@{STEStatus : @(YES), STECode : @(0), STEMessage: @"Success."});

}

- (void)setSpeakerphoneOn:(id)arguments result:(FlutterResult)result {

if (!_client || !_client.hasConnected) {

result(@{STEStatus : @(NO), STECode : @(-1), STEMessage: @"StringeeClient is not initialzied or connected."});

return;

}

NSDictionary *data = (NSDictionary *)arguments;

NSString *callId = [data objectForKey:@"callId"];

BOOL speaker = [[data objectForKey:@"speaker"] boolValue];

if (!callId || [callId isKindOfClass:[NSNull class]] || !callId.length) {

result(@{STEStatus : @(NO), STECode : @(-2), STEMessage: @"The callId is invalid."});

return;

}

StringeeCall *call = [[StringeeManager instance].calls objectForKey:callId];

if (!call) {

result(@{STEStatus : @(NO), STECode : @(-3), STEMessage: @"The call is not found."});

return;

}

[[StringeeAudioManager instance] setLoudspeaker:speaker];

result(@{STEStatus : @(YES), STECode : @(0), STEMessage: @"Success."});

}

- (void)switchCamera:(id)arguments result:(FlutterResult)result {

if (!_client || !_client.hasConnected) {

result(@{STEStatus : @(NO), STECode : @(-1), STEMessage: @"StringeeClient is not initialzied or connected."});

return;

}

NSDictionary *data = (NSDictionary *)arguments;

NSString *callId = [data objectForKey:@"callId"];

if (!callId || [callId isKindOfClass:[NSNull class]] || !callId.length) {

result(@{STEStatus : @(NO), STECode : @(-2), STEMessage: @"The callId is invalid."});

return;

}

StringeeCall *call = [[StringeeManager instance].calls objectForKey:callId];

if (!call) {

result(@{STEStatus : @(NO), STECode : @(-3), STEMessage: @"The call is not found."});

return;

}

[call switchCamera];

result(@{STEStatus : @(YES), STECode : @(0), STEMessage: @"Success."});

}

- (void)enableVideo:(id)arguments result:(FlutterResult)result {

if (!_client || !_client.hasConnected) {

result(@{STEStatus : @(NO), STECode : @(-1), STEMessage: @"StringeeClient is not initialzied or connected."});

return;

}

NSDictionary *data = (NSDictionary *)arguments;

NSString *callId = [data objectForKey:@"callId"];

BOOL enableVideo = [[data objectForKey:@"enableVideo"] boolValue];

if (!callId || [callId isKindOfClass:[NSNull class]] || !callId.length) {

result(@{STEStatus : @(NO), STECode : @(-2), STEMessage: @"The callId is invalid."});

return;

}

StringeeCall *call = [[StringeeManager instance].calls objectForKey:callId];

if (!call) {

result(@{STEStatus : @(NO), STECode : @(-3), STEMessage: @"The call is not found."});

return;

}

[call enableLocalVideo:enableVideo];

result(@{STEStatus : @(YES), STECode : @(0), STEMessage: @"Success."});

}

#pragma mark - Call Delegate

- (void)didChangeMediaState:(StringeeCall *)stringeeCall mediaState:(MediaState)mediaState {

_eventSink(@{STEUuid : _identifier, STEEventType : @(StringeeNativeEventTypeCall), STEEvent : STEDidChangeMediaState, STEBody : @{ @"callId" : stringeeCall.callId, @"code" : @(mediaState) }});

}

- (void)didChangeSignalingState:(StringeeCall *)stringeeCall signalingState:(SignalingState)signalingState reason:(NSString *)reason sipCode:(int)sipCode sipReason:(NSString *)sipReason {

_eventSink(@{STEUuid : _identifier, STEEventType : @(StringeeNativeEventTypeCall), STEEvent : STEDidChangeSignalingState, STEBody : @{ @"callId" : stringeeCall.callId, @"code" : @(signalingState) }});

if (signalingState == SignalingStateBusy || signalingState == SignalingStateEnded) {

[[StringeeManager instance].calls removeObjectForKey:stringeeCall.callId];

}

}

- (void)didReceiveLocalStream:(StringeeCall *)stringeeCall {

_eventSink(@{STEUuid : _identifier, STEEventType : @(StringeeNativeEventTypeCall), STEEvent : STEDidReceiveLocalStream, STEBody : @{ @"callId" : stringeeCall.callId }});

}

- (void)didReceiveRemoteStream:(StringeeCall *)stringeeCall {

_eventSink(@{STEUuid : _identifier, STEEventType : @(StringeeNativeEventTypeCall), STEEvent : STEDidReceiveRemoteStream, STEBody : @{ @"callId" : stringeeCall.callId }});

}

- (void)didReceiveDtmfDigit:(StringeeCall *)stringeeCall callDTMF:(CallDTMF)callDTMF {

NSString * digit = @"";

if ((long)callDTMF <= 9) {

digit = [NSString stringWithFormat:@"%ld", (long)callDTMF];

} else if (callDTMF == 10) {

digit = @"*";

} else if (callDTMF == 11) {

digit = @"#";

}

_eventSink(@{STEUuid : _identifier, STEEventType : @(StringeeNativeEventTypeCall), STEEvent : STEDidReceiveDtmfDigit, STEBody : @{ @"callId" : stringeeCall.callId, @"dtmf" : digit }});

}

- (void)didReceiveCallInfo:(StringeeCall *)stringeeCall info:(NSDictionary *)info {

_eventSink(@{STEUuid : _identifier, STEEventType : @(StringeeNativeEventTypeCall), STEEvent : STEDidReceiveCallInfo, STEBody : @{ @"callId" : stringeeCall.callId, @"data" : info }});

}

- (void)didHandleOnAnotherDevice:(StringeeCall *)stringeeCall signalingState:(SignalingState)signalingState reason:(NSString *)reason sipCode:(int)sipCode sipReason:(NSString *)sipReason {

_eventSink(@{STEUuid : _identifier, STEEventType : @(StringeeNativeEventTypeCall), STEEvent : STEDidHandleOnAnotherDevice, STEBody : @{ @"callId" : stringeeCall.callId, @"code" : @(signalingState), @"description" : reason }});

}

@end