#!/usr/bin/env python
"""
    S3 Upload - automatically upload files to S3

    Command Line:
    
        jlds3upload [-p polling_interval] [-e]  [-r prefix] [ -t ] [-d] -b bucket_name -s source_path [-m move_path]
        
        OR
        
        jlds3upload @config.txt

        -e : propagate errors down to stdout
        -r : prefix in the bucket
        -d : delete file instead of moving OR -m for moving

    @author: Jean-Lou Dupont
"""
import os, sys, argparse
op=os.path

try:
    import jldaws
except:
    ### must be in dev mode then    
    this_dir=op.dirname(__file__)
    lib_path=op.abspath(op.join(this_dir, ".."))
    sys.path.insert(0, lib_path)
    import jldaws

########################################################################

DESC="Upload local files to S3"
DEFAULTS={
          "polling_interval": 30
          ,"prefix": ""
          ,"num_files": 5
          }

def main():
    try:
        import jldaws.do_setup
        import logging
        import jldaws.do_checks
        
        parser=argparse.ArgumentParser(description=DESC, fromfile_prefix_chars='@')
        parser.add_argument('-t',  dest='enable_simulate', action="store_true", help="Simulate processing", default=False)
        parser.add_argument('-b',  dest='bucket_name', type=str, help="Bucket name", required=True)
        parser.add_argument('-s',  dest='path_source', type=str, help="Path to monitor for new files",   required=True)
        parser.add_argument('-m',  dest='path_moveto', type=str, help="Path to move files upon success", default=None)
        parser.add_argument('-n',  dest='num_files',   type=int, help="Maximum number of files to process per interval", default=DEFAULTS["num_files"])
        parser.add_argument('-d',  dest='enable_delete', action="store_true", help="Delete file upon successful upload", default=False)
        
        parser.add_argument('-e',  dest="propagate_error", help="Propagate S3 access errors", action="store_true", default=False)        
        parser.add_argument('-r',  dest="prefix", help="Prefix", type=str, action="store", default=DEFAULTS["prefix"])

        parser.add_argument('-p',  dest="polling_interval", type=int, action="store", help="Polling interval (seconds)", default=DEFAULTS["polling_interval"])        
        args=parser.parse_args()
        
        from jldaws.script_s3upload import run
        run(args)

    except KeyboardInterrupt:
        logging.info("..Exiting")
        sys.exit(0)##no probs
        
    except Exception,e:
        logging.error(str(e))
        sys.exit(1)
        
sys.exit(main())
