//
//  PromiseWrapper.m
//  RNGoogleSignin
//
//  Created by Vojtech Novak on 26/07/2018.
//  Copyright © 2018 Apptailor. All rights reserved.
//

#import <Foundation/Foundation.h>
#import "RNGSPromiseWrapper.h"


@interface RNGSPromiseWrapper ()

@property (nonatomic, strong) RCTPromiseResolveBlock promiseResolve;
@property (nonatomic, strong) RCTPromiseRejectBlock promiseReject;
@property (readwrite, assign) NSString *nameOfCallInProgress;

@end

@implementation RNGSPromiseWrapper

-(BOOL)setPromiseWithInProgressCheck: (RCTPromiseResolveBlock)resolve rejecter:(RCTPromiseRejectBlock)reject fromCallSite:(NSString *) callsite {
  if (self.promiseResolve) {
    [self rejectWithAsyncOperationStillInProgress:reject requestedOperation:callsite];
    return NO;
  }
  self.promiseResolve = resolve;
  self.promiseReject = reject;
  self.nameOfCallInProgress = callsite;
  return YES;
}

-(void)resolve: (id) result {
  RCTPromiseResolveBlock resolver = self.promiseResolve;
  if (resolver == nil) {
    NSLog(@"cannot resolve promise because it's null");
    return;
  }
  [self resetMembers];
  resolver(result);
}

-(void)reject:(NSString *)message withError:(NSError *)error {
  RCTPromiseRejectBlock rejecter = self.promiseReject;
  if (rejecter == nil) {
    NSLog(@"cannot resolve promise because it's null");
    return;
  }
  NSString* errorCode = [NSString stringWithFormat:@"%ld", error.code];
  NSString* errorMessage = [NSString stringWithFormat:@"RNGoogleSignInError: %@, %@", message, error.description];

  [self resetMembers];
  rejecter(errorCode, errorMessage, error);
}

-(void)resetMembers {
  self.promiseResolve = nil;
  self.promiseReject = nil;
  self.nameOfCallInProgress = nil;
}

- (void)rejectWithAsyncOperationStillInProgress: (RCTPromiseRejectBlock)reject requestedOperation:(NSString *) callSiteName {
  NSString *msg = [NSString stringWithFormat:@"Cannot set promise. You've called \"%@\" while \"%@\" is already in progress and has not completed yet. Make sure you're not repeatedly calling signInSilently, signIn or revokeAccess from your JS code while the previous call has not completed yet.", callSiteName, self.nameOfCallInProgress];
  reject(ASYNC_OP_IN_PROGRESS, msg, nil);
}


@end