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#!/usr/bin/env python3

"""
Utility script for doing bulk conversion/transforms of entity JSON schema to
other formats
"""

import sys
import json
import argparse

from citeproc import CitationStylesStyle, CitationStylesBibliography
from citeproc import Citation, CitationItem
from citeproc import formatter
from citeproc.source.json import CiteProcJSON
from citeproc_styles import get_style_filepath

import fatcat_openapi_client
from fatcat_openapi_client.rest import ApiException
from fatcat_openapi_client import ReleaseEntity, ContainerEntity, FileEntity, ChangelogEntry
from fatcat_tools import uuid2fcid, entity_from_json, entity_to_dict, \
    release_to_elasticsearch, container_to_elasticsearch, \
    file_to_elasticsearch, changelog_to_elasticsearch, public_api, \
    release_to_csl, citeproc_csl


def run_elasticsearch_releases(args):
    for line in args.json_input:
        line = line.strip()
        if not line:
            continue
        entity = entity_from_json(line, ReleaseEntity, api_client=args.api.api_client)
        if entity.state != 'active':
            continue
        args.json_output.write(
            json.dumps(release_to_elasticsearch(entity)) + '\n')

def run_elasticsearch_containers(args):
    for line in args.json_input:
        line = line.strip()
        if not line:
            continue
        entity = entity_from_json(line, ContainerEntity, api_client=args.api.api_client)
        if entity.state != 'active':
            continue
        args.json_output.write(
            json.dumps(container_to_elasticsearch(entity)) + '\n')

def run_elasticsearch_files(args):
    for line in args.json_input:
        line = line.strip()
        if not line:
            continue
        entity = entity_from_json(line, FileEntity, api_client=args.api.api_client)
        if entity.state != 'active':
            continue
        args.json_output.write(
            json.dumps(file_to_elasticsearch(entity)) + '\n')

def run_elasticsearch_changelogs(args):
    for line in args.json_input:
        line = line.strip()
        if not line:
            continue
        entity = entity_from_json(line, ChangelogEntry, api_client=args.api.api_client)
        args.json_output.write(
            json.dumps(changelog_to_elasticsearch(entity)) + '\n')

def run_citeproc_releases(args):
    for line in args.json_input:
        line = line.strip()
        if not line:
            continue
        entity = entity_from_json(line, ReleaseEntity, api_client=args.api.api_client)
        if entity.state != 'active':
            continue
        csl_json = release_to_csl(entity)
        csl_json['id'] = "release:" + (entity.ident or "unknown")
        out = citeproc_csl(csl_json, args.style, args.html)
        args.json_output.write(out + "\n")

def main():
    parser = argparse.ArgumentParser(
        formatter_class=argparse.ArgumentDefaultsHelpFormatter)
    parser.add_argument('--fatcat-api-url',
        default="http://localhost:9411/v0",
        help="connect to this host/port")
    subparsers = parser.add_subparsers()

    sub_elasticsearch_releases = subparsers.add_parser('elasticsearch-releases',
        help="convert fatcat release JSON schema to elasticsearch release schema")
    sub_elasticsearch_releases.set_defaults(func=run_elasticsearch_releases)
    sub_elasticsearch_releases.add_argument('json_input',
        help="JSON-per-line of release entities",
        default=sys.stdin, type=argparse.FileType('r'))
    sub_elasticsearch_releases.add_argument('json_output',
        help="where to send output",
        default=sys.stdout, type=argparse.FileType('w'))

    sub_elasticsearch_containers = subparsers.add_parser('elasticsearch-containers',
        help="convert fatcat container JSON schema to elasticsearch container schema")
    sub_elasticsearch_containers.set_defaults(func=run_elasticsearch_containers)
    sub_elasticsearch_containers.add_argument('json_input',
        help="JSON-per-line of container entities",
        default=sys.stdin, type=argparse.FileType('r'))
    sub_elasticsearch_containers.add_argument('json_output',
        help="where to send output",
        default=sys.stdout, type=argparse.FileType('w'))

    sub_elasticsearch_files = subparsers.add_parser('elasticsearch-files',
        help="convert fatcat file JSON schema to elasticsearch file schema")
    sub_elasticsearch_files.set_defaults(func=run_elasticsearch_files)
    sub_elasticsearch_files.add_argument('json_input',
        help="JSON-per-line of file entities",
        default=sys.stdin, type=argparse.FileType('r'))
    sub_elasticsearch_files.add_argument('json_output',
        help="where to send output",
        default=sys.stdout, type=argparse.FileType('w'))

    sub_elasticsearch_changelogs = subparsers.add_parser('elasticsearch-changelogs',
        help="convert fatcat changelog JSON schema to elasticsearch changelog schema")
    sub_elasticsearch_changelogs.set_defaults(func=run_elasticsearch_changelogs)
    sub_elasticsearch_changelogs.add_argument('json_input',
        help="JSON-per-line of changelog entries",
        default=sys.stdin, type=argparse.FileType('r'))
    sub_elasticsearch_changelogs.add_argument('json_output',
        help="where to send output",
        default=sys.stdout, type=argparse.FileType('w'))

    sub_citeproc_releases = subparsers.add_parser('citeproc-releases',
        help="convert fatcat release schema to any standard citation format using citeproc/CSL")
    sub_citeproc_releases.set_defaults(func=run_citeproc_releases)
    sub_citeproc_releases.add_argument('json_input',
        help="JSON-per-line of release entities",
        default=sys.stdin, type=argparse.FileType('r'))
    sub_citeproc_releases.add_argument('json_output',
        help="where to send output",
        default=sys.stdout, type=argparse.FileType('w'))
    sub_citeproc_releases.add_argument('--style',
        help="citation style to output",
        default='csl-json')
    sub_citeproc_releases.add_argument('--html',
        action='store_true',
        help="output HTML, not plain text")

    args = parser.parse_args()
    if not args.__dict__.get("func"):
        print("tell me what to do!")
        sys.exit(-1)

    args.api = public_api(args.fatcat_api_url)
    args.func(args)

if __name__ == '__main__':
    main()