from fastapi import APIRouter

from src.errors import Response
from src.types.geographies import Geography
from src.utils import load_index, parse_query_langs, parse_result_lang, load_category, get_file_name

geographies = APIRouter(prefix='/geographies', tags=['Geographies'])


@geographies.get('/')
async def get_geographies(query_field: str = 'names', query_languages: str = 'eng') -> Response:
    query_langs = parse_query_langs(query_languages)
    response: list = []
    for query_lang in query_langs:
        chars = load_index(query_lang, 'geographies')
        response.append({query_lang: list(chars[query_field].keys())})
    return Response(error=False, response=response)


@geographies.get('/{query}', response_model_exclude_none=True)
async def get_geography(
    query: str, query_languages: str = 'eng', result_language: str = 'ru'
) -> Response[Geography]:
    query_langs = parse_query_langs(query_languages)
    result_lang = parse_result_lang(result_language)
    filename = get_file_name(query, 'geographies', query_langs)
    return Response[Geography](response=load_category(result_lang, 'geographies', filename))