#!/usr/bin/env python3

"""
This script is used to turn ingest request postgres rows (in JSON export
format) back in to regular ingest request JSON.

The only difference is the name and location of some optional keys.
"""

import sys
import json
import argparse


def transform(row):
    """
    dict-to-dict
    """
    row.pop('created', None)
    extra = row.pop('request', None) or {}
    for k in ('ext_ids', 'edit_extra'):
        if k in extra:
            row[k] = extra[k]
    if 'release_ident' in extra:
        row['fatcat'] = dict(release_ident=extra['release_ident'])
    return row

def run(args):
    for l in args.json_file:
        if not l.strip():
            continue
        try:
            req = transform(json.loads(l))
        except:
            print(l, file=sys.stderr)
        print(json.dumps(req, sort_keys=True))

def main():
    parser = argparse.ArgumentParser(
        formatter_class=argparse.ArgumentDefaultsHelpFormatter)
    parser.add_argument('json_file',
        help="arabesque output file to use",
        type=argparse.FileType('r'))
    subparsers = parser.add_subparsers()

    args = parser.parse_args()

    run(args)

if __name__ == '__main__':
    main()