#import <AliyunOSSiOS/AliyunOSSiOS.h>

@interface AppDelegate ()

@property (nonatomic, strong) OSSClient *client;

@end

/**
 * the url to fetch sts info,for detail please refer to https://help.aliyun.com/document_detail/31920.html
 */
#define OSS_STS_URL                 @"oss_sts_url"


/**
 * the endpoint for OSS used in app, for detail please refer to https://help.aliyun.com/document_detail/31837.html
 */
#define OSS_ENDPOINT                @"your bucket's endpoint"

@implementation AppDelegate


- (BOOL)application:(UIApplication *)application didFinishLaunchingWithOptions:(NSDictionary *)launchOptions {
    // Override point for customization after application launch.
    
    // initialize OSSClient
    [self setupOSSClient];
    
    return YES;
}

- (void)setupOSSClient {

    // initialize credential provider,which auto fetch and update sts info from sts url.
    OSSAuthCredentialProvider *credentialProvider = [[OSSAuthCredentialProvider alloc] initWithAuthServerUrl:OSS_STS_URL];
    
    // set config for oss client networking
    OSSClientConfiguration *cfg = [[OSSClientConfiguration alloc] init];
    
    _client = [[OSSClient alloc] initWithEndpoint:OSS_ENDPOINT credentialProvider:credentialProvider clientConfiguration:cfg];
}

OSSPutObjectRequest * put = [OSSPutObjectRequest new];

put.bucketName = @"<bucketName>";
put.objectKey = @"<objectKey>";

put.uploadingData = <NSData *>; // Directly upload NSData

put.uploadProgress = ^(int64_t bytesSent, int64_t totalByteSent, int64_t totalBytesExpectedToSend) {
	NSLog(@"%lld, %lld, %lld", bytesSent, totalByteSent, totalBytesExpectedToSend);
};

OSSTask * putTask = [client putObject:put];

[putTask continueWithBlock:^id(OSSTask *task) {
	if (!task.error) {
		NSLog(@"upload object success!");
	} else {
		NSLog(@"upload object failed, error: %@" , task.error);
	}
	return nil;
}];

// Wait until the task is finished
// [putTask waitUntilFinished];

OSSGetObjectRequest * request = [OSSGetObjectRequest new];
request.bucketName = @"<bucketName>";
request.objectKey = @"<objectKey>";

request.downloadProgress = ^(int64_t bytesWritten, int64_t totalBytesWritten, int64_t totalBytesExpectedToWrite) {
	NSLog(@"%lld, %lld, %lld", bytesWritten, totalBytesWritten, totalBytesExpectedToWrite);
};

OSSTask * getTask = [client getObject:request];

[getTask continueWithBlock:^id(OSSTask *task) {
	if (!task.error) {
		NSLog(@"download object success!");
		OSSGetObjectResult * getResult = task.result;
		NSLog(@"download result: %@", getResult.downloadedData);
	} else {
		NSLog(@"download object failed, error: %@" ,task.error);
	}
	return nil;
}];

// Use a blocking call to wait until the task is finished
// [task waitUntilFinished];