from __future__ import annotations
import shlex
from typing import Dict


class MessageParsers:
    @staticmethod
    def parse_template_invocation(s: str) -> tuple[str, Dict[str, str]]:
        """
        Пример: "#promo title='Hi' url=https://x.y"
        -> ("promo", {"title":"Hi", "url":"https://x.y"})
        """
        s = (s or "").strip()
        if not s.startswith("#"):
            raise ValueError("not a template invocation")
        parts = shlex.split(s)
        name = parts[0][1:]
        args: Dict[str, str] = {}
        for tok in parts[1:]:
            if "=" in tok:
                k, v = tok.split("=", 1)
                args[k] = v
        return name, args

    @staticmethod
    def parse_key_value_lines(text: str) -> Dict[str, str]:
        """
        Поддерживает:
        - построчно:
            key=value
            key2="quoted value"
        - одной строкой:
            key=value key2="quoted value"
        """
        text = (text or "").strip()
        if not text:
            return {}
        if "\n" in text:
            out: Dict[str, str] = {}
            for line in text.splitlines():
                if "=" in line:
                    k, v = line.split("=", 1)
                    out[k.strip()] = v.strip().strip('"')
            return out

        out: Dict[str, str] = {}
        for tok in shlex.split(text):
            if "=" in tok:
                k, v = tok.split("=", 1)
                out[k] = v
        return out