import sys
import boto.s3.connection

#------------------------------------------------------------------------------
HOST_S3 = 'ss3.scayle.es'
PORT_S3 = 443

#------------------------------------------------------------------------------
# FUNCTION:      S3 Connection
# DESCRIPTION:  Connection to Server S3
# PARAMETERS:   accessKey:   Encoded token to access with AD User
#------------------------------------------------------------------------------
def S3Connection (accessKey):
   global conn
   try:
      conn = boto.connect_s3(
        aws_access_key_id=accessKey,
        aws_secret_access_key=accessKey,
        host=HOST_S3,
        port=PORT_S3,
        is_secure=True,
        calling_format=boto.s3.connection.OrdinaryCallingFormat(),
       )
   except:
      print ("AD User with access data <%s> has not privileges or does not exist." % (accessKey))
      sys.exit(-1)

#------------------------------------------------------------------------------
# FUNCTION:  	deleteBucket
# DESCRIPTION:  Bucket Delete
# PARAMETERS:   bucketName 	Name associated to the bucket to delete
#------------------------------------------------------------------------------
def deleteBucket (bucketName):
   bFound = False

  
   try:
    for bucket in conn.get_all_buckets():
      if (bucketName == bucket.name):
          # --- Delete keys associated to bucket
          for key in bucket.list():
              try:
                 bucket.delete_key(key.name)
              except:
                 print ("!!! WARNING Bucket %s Key %s can not be deleted. Error %s. " % (bucket.name,key.name, (sys.exc_info()[1])))
                 sys.exit(-4)
          # --- Delete buckets
          try:
              conn.delete_bucket(bucket.name)
              bFound = True
          except:
              print ("Bucket %s can not be deleted. Review the following message. Please attention to field CODE if exist." %s (bucketName))
              print (sys.exc_info()[1])
              print ("If CODE is AccessDenied then the Connection to OpenCayle can not be done, please review your AccessKey:")
              print ("1) Run program s3AccessKey.py")
              print ("2) Run program s3CheckConnection.py")
              print ("If problem persists then contact to Scayle through HelpDesk tool.")
              sys.exit(-2)
   except:
    print ("Connection to OpenCayle can not be done, please review your AccessKey:")
    print ("1) Run program s3AccessKey.py")
    print ("2) Run program s3CheckConnection.py")
    print ("If problem persists then contact to Scayle through HelpDesk tool.")
    sys.exit (-4)

   if (bFound == False):
      print ("Bucket %s does not exist. Please review your S3 data" % (bucketName))
      sys.exit(-3)


#########################################################################################################
# PROGRAM
#########################################################################################################

# -----------------------------  PARAMETERS EVALUATION -----------------------------

if len(sys.argv) >= 3:
        accessKey = str(sys.argv[1])
        bucketName = str(sys.argv[2])
else:
        print ("USE: python s3DeleteBucket.py <Access Key> <Bucket Name> ")
        sys.exit(-1)

# ----------------------- CONECTION  ------------------------------------------------
S3Connection (accessKey)

# -------- CREAR BUCKETS EN BASE A PARAMETROS --------------------------------------
deleteBucket (bucketName)

# -------------- END PROCESS -------------------------------------------
print ("Bucket %s deleted sucessfully" % (bucketName))
sys.exit(0)