"""Script for parsing Dynamo DB formatted records from MR_ACTIVE table."""
from functools import partial
import json
import sys


# Some shortcuts for dynamo types
j = json.loads


def get_dynamo_item(item, dynamo_type, default_value):
    """Shortcut - get DynamoDB value.

    Args:
        item (dict): DynamoDB json item
        dynamo_type (str): DynamoDB type
        default_value (type): default value to use

    Returns: parsed value

    """
    return item.get(dynamo_type, default_value)


s = partial(get_dynamo_item, dynamo_type='s', default_value='')
m = partial(get_dynamo_item, dynamo_type='m', default_value={})
l = partial(get_dynamo_item, dynamo_type='l', default_value=[])
n = partial(get_dynamo_item, dynamo_type='n', default_value='')


def dynamo_active_record_to_json(item):
    """Parse DynamoDB formatted json.

    Args:
        item (dict): DynamoDB json

    Returns:
        str: parsed JSON, converted to string
    """
    parsed = {}
    for k, v in item.items():
        parsed[k] = json.loads(v)

    data = {
        'isrc': s(parsed.get('isrc')),
        'territories': {},
        'locked_territories': {}
    }
    for terr, tuid_map in m(parsed.get('territories')).items():
        if 'm' in tuid_map:
            tuid_map = {'l': [tuid_map]}
        tuids_list = [m(t).get('tuid', {}).get('n', '') for t in l(tuid_map)]
        data['territories'][terr] = tuids_list
    if parsed.get('locked_territories'):
        for terr, tuid_map in m(parsed.get('locked_territories')).items():
            reason = m(tuid_map).get('reason', {})
            data['locked_territories'][terr] = s(reason)
    return json.dumps(data)


if __name__ == '__main__':
    while True:
        line = sys.stdin.readline()
        if not line:
            break
        try:
            obj = json.loads(line)
            print(dynamo_active_record_to_json(obj))
        except:
            continue