from dataclasses import dataclass
from typing import NamedTuple, Protocol
from urllib.parse import quote

import httpx

MASK = "***"


class ChatError(Exception):
    pass


def mask_secret(text: str, secret: str) -> str:
    if not secret:
        return text
    for variant in (secret, quote(secret, safe=""), quote(secret)):
        text = text.replace(variant, MASK)
    return text


def json_body(response: httpx.Response) -> dict:
    try:
        body = response.json()
    except ValueError:
        return {}
    return body if isinstance(body, dict) else {}


@dataclass(frozen=True)
class Button:
    label: str
    data: str = ""
    url: str = ""


Buttons = tuple[tuple[Button, ...], ...]


class Target(NamedTuple):
    backend: str
    target: str


@dataclass(frozen=True)
class MessageRef:
    backend: str
    target: str
    message_id: str


class ChatAdapter(Protocol):
    name: str
    default_target: str

    async def send(self, target: str, text: str, buttons: Buttons = (), silent: bool = False) -> MessageRef: ...

    async def edit(self, ref: MessageRef, text: str, buttons: Buttons = (), silent: bool = False) -> None: ...

    async def check(self) -> str: ...

    async def aclose(self) -> None: ...