"""Parser registry: pick a parser by content type / extension."""

from __future__ import annotations

from app.services.parsers.base import BaseParser, ParseResult

from app.services.parsers.csv_flock import CsvFlockParser

from app.services.parsers.json_flock import JsonFlockParser

from app.services.parsers.pdf_report import PdfReportParser

def get_parser(filename: str, content_type: str | None = None) -> BaseParser:

    name = (filename or "").lower()

    ct = (content_type or "").lower()

    if name.endswith(".json") or "json" in ct:

        return JsonFlockParser()

    if name.endswith(".pdf") or "pdf" in ct:

        return PdfReportParser()

    return CsvFlockParser()

__all__ = ["get_parser", "BaseParser", "ParseResult", "CsvFlockParser", "JsonFlockParser", "PdfReportParser"]