from __future__ import annotations

import base64
import logging
from urllib.parse import urljoin

import httpx

logger = logging.getLogger(__name__)

OCS_ROOM_PATH = "/ocs/v2.php/apps/spreed/api/v4/room"
OCS_ROOM_TOKEN_PATH = "/ocs/v2.php/apps/spreed/api/v4/room/{token}"

DEFAULT_TIMEOUT = 30.0


def _auth_headers(api_user: str, api_password: str) -> dict:
    auth = base64.b64encode(f"{api_user}:{api_password}".encode()).decode()
    return {
        "Authorization": f"Basic {auth}",
        "OCS-APIRequest": "true",
        "Accept": "application/json",
    }


async def list_conversations(
    base_url: str,
    api_user: str,
    api_password: str,
    *,
    timeout: float = DEFAULT_TIMEOUT,
) -> list[dict]:
    url = urljoin(base_url.rstrip("/") + "/", OCS_ROOM_PATH)

    async with httpx.AsyncClient(timeout=timeout) as client:
        resp = await client.get(
            url,
            headers=_auth_headers(api_user, api_password),
        )

    if resp.status_code != 200:
        logger.warning("Nextcloud Talk list conversations failed: HTTP %s", resp.status_code)
        return []

    data = resp.json()
    return data.get("ocs", {}).get("data", [])


async def create_conversation(
    base_url: str,
    api_user: str,
    api_password: str,
    *,
    room_type: int,
    invite: str | None = None,
    room_name: str | None = None,
    timeout: float = DEFAULT_TIMEOUT,
) -> dict | None:
    url = urljoin(base_url.rstrip("/") + "/", OCS_ROOM_PATH)
    body: dict = {"roomType": room_type}
    if invite:
        body["invite"] = invite
    if room_name:
        body["roomName"] = room_name

    async with httpx.AsyncClient(timeout=timeout) as client:
        resp = await client.post(
            url,
            json=body,
            headers=_auth_headers(api_user, api_password),
        )

    if resp.status_code != 200:
        logger.warning("Nextcloud Talk create conversation failed: HTTP %s", resp.status_code)
        return None

    data = resp.json()
    return data.get("ocs", {}).get("data")


async def delete_conversation(
    room_token: str,
    base_url: str,
    api_user: str,
    api_password: str,
    *,
    timeout: float = DEFAULT_TIMEOUT,
) -> bool:
    url = urljoin(
        base_url.rstrip("/") + "/",
        OCS_ROOM_TOKEN_PATH.format(token=room_token),
    )

    async with httpx.AsyncClient(timeout=timeout) as client:
        resp = await client.delete(
            url,
            headers=_auth_headers(api_user, api_password),
        )

    return resp.status_code == 200


async def rename_conversation(
    room_token: str,
    room_name: str,
    base_url: str,
    api_user: str,
    api_password: str,
    *,
    timeout: float = DEFAULT_TIMEOUT,
) -> bool:
    url = urljoin(
        base_url.rstrip("/") + "/",
        OCS_ROOM_TOKEN_PATH.format(token=room_token),
    )

    async with httpx.AsyncClient(timeout=timeout) as client:
        resp = await client.put(
            url,
            json={"roomName": room_name},
            headers=_auth_headers(api_user, api_password),
        )

    return resp.status_code == 200


async def set_conversation_description(
    room_token: str,
    description: str,
    base_url: str,
    api_user: str,
    api_password: str,
    *,
    timeout: float = DEFAULT_TIMEOUT,
) -> bool:
    url = urljoin(
        base_url.rstrip("/") + "/",
        f"/ocs/v2.php/apps/spreed/api/v4/room/{room_token}/description",
    )

    async with httpx.AsyncClient(timeout=timeout) as client:
        resp = await client.put(
            url,
            json={"description": description},
            headers=_auth_headers(api_user, api_password),
        )

    return resp.status_code == 200


async def set_conversation_password(
    room_token: str,
    password: str,
    base_url: str,
    api_user: str,
    api_password: str,
    *,
    timeout: float = DEFAULT_TIMEOUT,
) -> bool:
    url = urljoin(
        base_url.rstrip("/") + "/",
        f"/ocs/v2.php/apps/spreed/api/v4/room/{room_token}/password",
    )

    async with httpx.AsyncClient(timeout=timeout) as client:
        resp = await client.put(
            url,
            json={"password": password},
            headers=_auth_headers(api_user, api_password),
        )

    return resp.status_code == 200


async def remove_conversation_password(
    room_token: str,
    base_url: str,
    api_user: str,
    api_password: str,
    *,
    timeout: float = DEFAULT_TIMEOUT,
) -> bool:
    url = urljoin(
        base_url.rstrip("/") + "/",
        f"/ocs/v2.php/apps/spreed/api/v4/room/{room_token}/password",
    )

    async with httpx.AsyncClient(timeout=timeout) as client:
        resp = await client.delete(
            url,
            headers=_auth_headers(api_user, api_password),
        )

    return resp.status_code == 200


async def set_read_only(
    room_token: str,
    state: int,
    base_url: str,
    api_user: str,
    api_password: str,
    *,
    timeout: float = DEFAULT_TIMEOUT,
) -> bool:
    url = urljoin(
        base_url.rstrip("/") + "/",
        f"/ocs/v2.php/apps/spreed/api/v4/room/{room_token}/read-only",
    )

    async with httpx.AsyncClient(timeout=timeout) as client:
        resp = await client.put(
            url,
            json={"state": state},
            headers=_auth_headers(api_user, api_password),
        )

    return resp.status_code == 200


async def set_message_expiration(
    room_token: str,
    seconds: int,
    base_url: str,
    api_user: str,
    api_password: str,
    *,
    timeout: float = DEFAULT_TIMEOUT,
) -> bool:
    url = urljoin(
        base_url.rstrip("/") + "/",
        f"/ocs/v2.php/apps/spreed/api/v4/room/{room_token}/message-expiration",
    )

    async with httpx.AsyncClient(timeout=timeout) as client:
        resp = await client.post(
            url,
            json={"seconds": seconds},
            headers=_auth_headers(api_user, api_password),
        )

    return resp.status_code == 200


async def set_favorite(
    room_token: str,
    base_url: str,
    api_user: str,
    api_password: str,
    *,
    favorite: bool = True,
    timeout: float = DEFAULT_TIMEOUT,
) -> bool:
    action = "favorite" if favorite else "unfavorite"
    url = urljoin(
        base_url.rstrip("/") + "/",
        f"/ocs/v2.php/apps/spreed/api/v4/room/{room_token}/{action}",
    )

    async with httpx.AsyncClient(timeout=timeout) as client:
        resp = await client.post(
            url,
            headers=_auth_headers(api_user, api_password),
        )

    return resp.status_code == 200


async def set_notification_level(
    room_token: str,
    level: int,
    base_url: str,
    api_user: str,
    api_password: str,
    *,
    timeout: float = DEFAULT_TIMEOUT,
) -> bool:
    url = urljoin(
        base_url.rstrip("/") + "/",
        f"/ocs/v2.php/apps/spreed/api/v4/room/{room_token}/notify",
    )

    async with httpx.AsyncClient(timeout=timeout) as client:
        resp = await client.post(
            url,
            json={"level": level},
            headers=_auth_headers(api_user, api_password),
        )

    return resp.status_code == 200