import json
import os

def main():
    with open('config.json', 'r') as config_file:
        config = json.load(config_file)

        backup_path = config['local']['path']
        backup_server_age = config['local']['backup_server_age']
        backup_local_age = config['local']['backup_age']

        hosts = config['remote']

        for host in hosts:
            print('conect to ' + host)
            for service in hosts[host]:
                backup_dir = '{}/{}'.format(backup_path, service).lower()
                if not os.path.exists(backup_dir):
                    os.mkdir(backup_dir)
                print('deleting local files older than {}days in {}'.format(
                    backup_local_age, backup_dir
                ))
                cmd = 'find {} -type f -mtime +{} -delete'.format(
                    backup_dir, backup_local_age
                )
                print('({})'.format(cmd))
                os.system(cmd)
                print('from ' + hosts[host][service] + ' to ' + backup_dir)
                cmd = 'scp {}:{}/* {}'.format(host, hosts[host][service],
                                              backup_dir)
                print('({})'.format(cmd))
                os.system(cmd)
                cmd = 'ssh {} "find {} -type f -mtime +{} -delete"'.format(
                    host, hosts[host][service], backup_server_age)
                print('({})'.format(cmd))
                os.system(cmd)


if __name__ == '__main__':
    main()