import re
from typing import overload

from nonebot.typing import Rule, Matcher, Handler, Permission, RuleChecker, MatcherGroup
from nonebot.typing import Set, List, Dict, Type, Tuple, Union, Optional, ModuleType

plugins: Dict[str, "Plugin"] = ...

_tmp_matchers: Set[Type[Matcher]] = ...


class Plugin(object):
    name: str
    module: ModuleType
    matcher: Set[Type[Matcher]]


def on(type: str = ...,
       rule: Optional[Union[Rule, RuleChecker]] = ...,
       permission: Optional[Permission] = ...,
       *,
       handlers: Optional[List[Handler]] = ...,
       temp: bool = ...,
       priority: int = ...,
       block: bool = ...,
       state: Optional[dict] = ...) -> Type[Matcher]:
    ...


def on_metaevent(rule: Optional[Union[Rule, RuleChecker]] = ...,
                 *,
                 handlers: Optional[List[Handler]] = ...,
                 temp: bool = ...,
                 priority: int = ...,
                 block: bool = ...,
                 state: Optional[dict] = ...) -> Type[Matcher]:
    ...


def on_message(rule: Optional[Union[Rule, RuleChecker]] = ...,
               permission: Optional[Permission] = ...,
               *,
               handlers: Optional[List[Handler]] = ...,
               temp: bool = ...,
               priority: int = ...,
               block: bool = ...,
               state: Optional[dict] = ...) -> Type[Matcher]:
    ...


def on_notice(rule: Optional[Union[Rule, RuleChecker]] = ...,
              *,
              handlers: Optional[List[Handler]] = ...,
              temp: bool = ...,
              priority: int = ...,
              block: bool = ...,
              state: Optional[dict] = ...) -> Type[Matcher]:
    ...


def on_request(rule: Optional[Union[Rule, RuleChecker]] = ...,
               *,
               handlers: Optional[List[Handler]] = ...,
               temp: bool = ...,
               priority: int = ...,
               block: bool = ...,
               state: Optional[dict] = ...) -> Type[Matcher]:
    ...


def on_startswith(msg: str,
                  rule: Optional[Optional[Union[Rule, RuleChecker]]] = ...,
                  permission: Optional[Permission] = ...,
                  *,
                  handlers: Optional[List[Handler]] = ...,
                  temp: bool = ...,
                  priority: int = ...,
                  block: bool = ...,
                  state: Optional[dict] = ...) -> Type[Matcher]:
    ...


def on_endswith(msg: str,
                rule: Optional[Optional[Union[Rule, RuleChecker]]] = ...,
                permission: Optional[Permission] = ...,
                *,
                handlers: Optional[List[Handler]] = ...,
                temp: bool = ...,
                priority: int = ...,
                block: bool = ...,
                state: Optional[dict] = ...) -> Type[Matcher]:
    ...


@overload
def on_command(cmd: Union[str, Tuple[str, ...]],
               rule: Optional[Union[Rule, RuleChecker]] = ...,
               aliases: None = ...,
               permission: Optional[Permission] = ...,
               *,
               handlers: Optional[List[Handler]] = ...,
               temp: bool = ...,
               priority: int = ...,
               block: bool = ...,
               state: Optional[dict] = ...) -> Type[Matcher]:
    ...


@overload
def on_command(cmd: Union[str, Tuple[str, ...]],
               rule: Optional[Union[Rule, RuleChecker]] = ...,
               aliases: Set[Union[str, Tuple[str, ...]]] = ...,
               permission: Optional[Permission] = ...,
               *,
               handlers: Optional[List[Handler]] = ...,
               temp: bool = ...,
               priority: int = ...,
               block: bool = ...,
               state: Optional[dict] = ...) -> MatcherGroup:
    ...


def on_regex(pattern: str,
             flags: Union[int, re.RegexFlag] = 0,
             rule: Optional[Rule] = ...,
             permission: Optional[Permission] = ...,
             *,
             handlers: Optional[List[Handler]] = ...,
             temp: bool = ...,
             priority: int = ...,
             block: bool = ...,
             state: Optional[dict] = ...) -> Type[Matcher]:
    ...


def load_plugin(module_path: str) -> Optional[Plugin]:
    ...


def load_plugins(*plugin_dir: str) -> Set[Plugin]:
    ...


def load_builtin_plugins():
    ...


def get_loaded_plugins() -> Set[Plugin]:
    ...


class CommandGroup:

    def __init__(self,
                 cmd: Union[str, Tuple[str, ...]],
                 rule: Optional[Union[Rule, RuleChecker]] = ...,
                 permission: Optional[Permission] = ...,
                 *,
                 handlers: Optional[List[Handler]] = ...,
                 temp: bool = ...,
                 priority: int = ...,
                 block: bool = ...,
                 state: Optional[dict] = ...):
        ...

    def command(
            self,
            cmd: Union[str, Tuple[str, ...]],
            rule: Optional[Union[Rule, RuleChecker]] = ...,
            aliases: Set[Union[str, Tuple[str, ...]]] = ...,
            permission: Optional[Permission] = ...,
            *,
            handlers: Optional[List[Handler]] = ...,
            temp: bool = ...,
            priority: int = ...,
            block: bool = ...,
            state: Optional[dict] = ...) -> Union[Type[Matcher], MatcherGroup]:
        ...