import asyncio
from json import loads
from typing import Callable
from uuid import uuid4

from aiohttp import ClientSession
from config import Config
from sseclient import SSEClient


class User:
    def __init__(
        self,
        id: str,
        number: str | None = None,
        name: str | None = None,
        first_name: str | None = None,
        last_name: str | None = None,
        nickname: str | None = None,
        first_nickname: str | None = None,
        last_nickname: str | None = None,
        note: str | None = None,
        about: str | None = None,
        emoji: str | None = None,
        profile_first_name: str | None = None,
        profile_last_name: str | None = None,
        username: str | None = None,
    ):
        self.id = id
        self.number = number
        self.name = name
        self.first_name = first_name
        self.last_name = last_name
        self.nickname = nickname
        self.first_nickname = first_nickname
        self.last_nickname = last_nickname
        self.note = note
        self.about = about
        self.emoji = emoji
        self.profile_first_name = profile_first_name
        self.profile_last_name = profile_last_name
        self.username = username

    def __repr__(self) -> str:
        return f'<User "{self.name}" at "{self.number}">'


class Group:
    def __init__(
        self,
        id: str,
        name: str | None = None,
        description: str | None = None,
        members: list[User] = [],
        admins: list[User] = [],
        banned: list[User] = [],
    ):
        self.id = id
        self.name = name
        self.description = description
        self.members = members
        self.admins = admins
        self.banned = banned

    def __repr__(self) -> str:
        return f'<Group "{self.name}" at "{self.id}">'


class ReceivedMessage:
    def __init__(self, message: str, user: User, group: Group | None):
        """Creates a new ReceivedMessage.
        Args:
            message: The Message's body.
            user: The User that sent the Message.
            group: The Group where the message was sent on, or None for a direct Message.
        """

        self.message = message
        self.user = user
        self.group = group

    def __repr__(self) -> str:
        group = (
            ' on "' + (self.group.name or self.group.id) + '"'
            if self.group and self.group
            else ""
        )
        return f'<Message "{self.message}" by "{self.user.name}"{group}>'


class MessageMention: ...


class MessageStyles: ...


class Message:
    def __init__(
        self,
        recipient: User | Group,
        sticker: str | None = None,
        mentions: list[MessageMention] = [],
        styles: list[MessageStyles] = [],
        view_once: bool = False,
    ): ...


class Signal:
    def __init__(self, host: str, port: int):
        self.url = host.rstrip("/") + ":" + str(port)
        self._hooks: dict[str, Callable] = {}

    async def _post(self, method: str, **params):
        async with ClientSession() as session:
            async with session.post(
                self.url + "/api/v1/rpc",
                json={
                    "jsonrpc": "2.0",
                    "method": method,
                    "params": params,
                    "id": str(uuid4()),
                },
            ) as response:
                if response.status == 200:
                    return await response.json()
                raise ConnectionError(
                    f"Error while sending {method} to Server: HTTP code {response.status}."
                )

    async def sendMessage(self, message: str, recipient: User | Group):
        if isinstance(recipient, User):
            return await self._post("send", message=message, recipient=recipient.id)
        if isinstance(recipient, Group):
            return await self._post("send", message=message, groupId=recipient.id)

    async def listGroups(self) -> list[Group]:
        return [
            Group(
                id=group["id"],
                name=group["name"],
                description=group["description"],
                # members=[self.getUser(member["id"]) for member in group["members"]],
                # admins=[self.getUser(admin["id"]) for admin in group["admins"]],
                # banned=[self.getUser(ban["id"]) for ban in group["banned"]],
            )
            for group in (await self._post("listGroups"))["result"]
        ]

    async def listUsers(self) -> list[User]:
        return [
            User(
                id=user["uuid"],
                number=user["number"],
                name=user["name"],
                first_name=user["givenName"],
                last_name=user["familyName"],
                nickname=user["nickName"],
                first_nickname=user["nickGivenName"],
                last_nickname=user["nickFamilyName"],
                note=user["note"],
                about=user["profile"]["about"],
                emoji=user["profile"]["aboutEmoji"],
                profile_first_name=user["profile"]["familyName"],
                profile_last_name=user["profile"]["givenName"],
                username=user["username"],
            )
            for user in (await self._post("listContacts"))["result"]
        ]

    def onMessage(
        self,
        *,
        user: list[User] | User | None = None,
        group: list[Group] | Group | None = None,
    ) -> Callable:
        def wrapper(func: Callable):
            async def callback(data: dict):
                envelope = data.get("envelope", {})
                dataMessage = envelope.get("dataMessage", {})
                groupInfo = dataMessage.get("groupInfo", {})

                msg_user = User(
                    envelope.get("sourceName"),
                    envelope.get("sourceNumber"),
                    envelope.get("sourceUuid"),
                )

                msg_group = None
                if groupInfo:
                    msg_group = Group(
                        groupInfo.get("groupName"), groupInfo.get("groupId")
                    )

                msg = None
                msg_body = envelope.get("dataMessage", {}).get("message")
                if msg_body is not None:
                    msg = ReceivedMessage(msg_body, msg_user, msg_group)

                    if not user and not group:
                        return func(msg)

                    if isinstance(user, User) and user.id == msg_user.id:
                        return func(msg)

                    if (
                        isinstance(group, Group)
                        and msg_group
                        and group.id == msg_group.id
                    ):
                        return func(msg)

                    if isinstance(user, list):
                        for usr in user:
                            if usr.id == msg_user.id:
                                return func(msg)

                    if isinstance(group, list) and msg_group:
                        for grp in group:
                            if grp.id == msg_group.id:
                                return func(msg)

            self._hooks[func.__name__] = callback
            return func

        return wrapper

    def onMessageRaw(self) -> Callable:
        def wrapper(func: Callable):
            async def callback(data: dict):
                func(data)

            self._hooks[func.__name__] = callback
            return func

        return wrapper

    async def loop(self):
        for msg in SSEClient(self.url + "/api/v1/events"):
            try:
                data = loads(msg.data.encode("latin1").decode())
            except Exception:
                data = {}

            for callback in self._hooks.values():
                await callback(data)


signal = Signal(Config.SIGNAL_HOST, Config.SIGNAL_PORT)

user = asyncio.run(signal.listGroups())[1]

print(user.__dict__)