import boto3
from botocore.exceptions import NoCredentialsError, PartialCredentialsError

s3_client = boto3.client('s3')
bucket = 'app-faceanimate-s3'

#s3_client.list_objects_v2(Bucket=bucket)['Contents']

def upload_to_s3(bucket_name: str, local_file_path: str, s3_key: str) -> bool:
    s3_client = boto3.client('s3')
    
    try:
        s3_client.upload_file(local_file_path, bucket_name, s3_key)
        print(f"Successfully uploaded {local_file_path} to {bucket_name}/{s3_key}")
        return True
    except Exception as e:
        print(f"Error uploading file: {e}")
        return False

def generate_presigned_url(bucket_name: str, object_key: str, expiration: int = 3600) -> str:
    s3_client = boto3.client('s3')

    try:
        response = s3_client.generate_presigned_url(
            'get_object',
            Params={'Bucket': bucket_name, 'Key': object_key},
            ExpiresIn=expiration
        )
        return response
    except (NoCredentialsError, PartialCredentialsError) as e:
        print(f"Credentials error: {e}")
        return None
    except Exception as e:
        print(f"Error generating pre-signed URL: {e}")
        return None

def delete_from_s3(bucket_name: str, object_key: str) -> bool:
    s3_client = boto3.client('s3')

    try:
        s3_client.delete_object(Bucket=bucket_name, Key=object_key)
        print(f"Successfully deleted {object_key} from {bucket_name}")
        return True
    except Exception as e:
        print(f"Error deleting file: {e}")
        return False