from __future__ import annotations

from typing import Any

from yuxi.utils.logging_config import logger


class FeishuOAuthClient:
    def __init__(self, app_id: str, app_secret: str, redirect_uri: str = ""):
        self._app_id = app_id
        self._app_secret = app_secret
        self._redirect_uri = redirect_uri

    def get_authorization_url(self, state: str = "", scope: str = "") -> str:
        base_url = "https://open.feishu.cn/open-apis/authen/v1/index"
        params = {
            "app_id": self._app_id,
            "redirect_uri": self._redirect_uri or "http://localhost/callback",
        }
        if state:
            params["state"] = state
        if scope:
            params["scope"] = scope
        query = "&".join(f"{k}={v}" for k, v in params.items())
        return f"{base_url}?{query}"

    async def exchange_code_for_token(self, code: str) -> dict[str, Any]:
        import httpx

        url = "https://open.feishu.cn/open-apis/authen/v1/oidc/access_token"
        headers = {"Content-Type": "application/json"}
        body = {
            "app_id": self._app_id,
            "app_secret": self._app_secret,
            "grant_type": "authorization_code",
            "code": code,
        }

        async with httpx.AsyncClient(timeout=httpx.Timeout(30)) as client:
            resp = await client.post(url, headers=headers, json=body)
            if resp.status_code == 200:
                return resp.json()
            logger.error("[FeishuOAuth] Token exchange failed: HTTP %d", resp.status_code)
            return {}

    async def refresh_user_access_token(self, refresh_token: str) -> dict[str, Any]:
        import httpx

        url = "https://open.feishu.cn/open-apis/authen/v1/oidc/refresh_access_token"
        headers = {"Content-Type": "application/json"}
        body = {
            "app_id": self._app_id,
            "app_secret": self._app_secret,
            "grant_type": "refresh_token",
            "refresh_token": refresh_token,
        }

        async with httpx.AsyncClient(timeout=httpx.Timeout(30)) as client:
            resp = await client.post(url, headers=headers, json=body)
            if resp.status_code == 200:
                return resp.json()
            logger.error("[FeishuOAuth] Refresh failed: HTTP %d", resp.status_code)
            return {}


class FeishuDeviceCodeClient:
    """飞书 OAuth 2.0 Device Authorization Grant 客户端。

    实现设备授权码流程，用于终端扫码注册场景。
    """

    DEVICE_CODE_URL = "https://open.feishu.cn/open-apis/authen/v1/device/code"
    DEVICE_TOKEN_URL = "https://open.feishu.cn/open-apis/authen/v1/oidc/access_token"

    def __init__(self, app_id: str, app_secret: str):
        self._app_id = app_id
        self._app_secret = app_secret

    def init_device_flow(self) -> dict[str, Any] | None:
        import httpx

        body = {
            "app_id": self._app_id,
            "app_secret": self._app_secret,
            "scope": "user:read",
        }
        try:
            resp = httpx.post(
                self.DEVICE_CODE_URL,
                json=body,
                headers={"Content-Type": "application/json"},
                timeout=httpx.Timeout(30),
            )
            if resp.status_code == 200:
                data = resp.json()
                if data.get("code") == 0:
                    return data.get("data", {})
                logger.error("[FeishuDeviceCode] init failed: code=%s, msg=%s", data.get("code"), data.get("msg"))
            else:
                logger.error("[FeishuDeviceCode] init HTTP %d: %s", resp.status_code, resp.text[:300])
        except Exception as e:
            logger.error("[FeishuDeviceCode] init error: %s", e)
        return None

    def poll_device_token(self, device_code: str) -> dict[str, Any] | None:
        import httpx

        body = {
            "app_id": self._app_id,
            "app_secret": self._app_secret,
            "grant_type": "urn:ietf:params:oauth:grant-type:device_code",
            "device_code": device_code,
        }
        try:
            resp = httpx.post(
                self.DEVICE_TOKEN_URL,
                json=body,
                headers={"Content-Type": "application/json"},
                timeout=httpx.Timeout(30),
            )
            if resp.status_code == 200:
                return resp.json()
            logger.error("[FeishuDeviceCode] poll HTTP %d: %s", resp.status_code, resp.text[:300])
        except Exception as e:
            logger.error("[FeishuDeviceCode] poll error: %s", e)
        return None