# -*- coding: utf-8 -*-
import json
import logging
import os

import allure
import requests


CAPTCHA_URL = os.getenv(
    "JOYHUB_CAPTCHA_URL",
    "http://test-manager-api.best-envision.com/admin/login/captcha",
)
LOGIN_BASE_URL = os.getenv(
    "JOYHUB_LOGIN_BASE_URL",
    "http://test-manager-api.best-envision.com",
)
LOGIN_PATH = os.getenv("JOYHUB_LOGIN_PATH", "/admin/login/login")
USERNAME = os.getenv("JOYHUB_USERNAME", "guojiabao")
PASSWORD = os.getenv("JOYHUB_PASSWORD", "gjb123456")
CAPTCHA = os.getenv("JOYHUB_CAPTCHA", "1111")
TIMEOUT = int(os.getenv("JOYHUB_TIMEOUT", "20"))
TENANT_ID = os.getenv("JOYHUB_TENANT_ID", "126")


class JoyhubAuth(object):
    def __init__(self):
        self.session = requests.Session()
        self._token = None

    @property
    def login_url(self):
        return LOGIN_BASE_URL.rstrip("/") + LOGIN_PATH

    def get_captcha_key(self):
        with allure.step("前置：获取登录验证码 key"):
            logging.info("GET %s", CAPTCHA_URL)
            response = self.session.get(CAPTCHA_URL, timeout=TIMEOUT)
            self._attach_response("captcha", response)
            response.raise_for_status()
            data = response.json()
            key = self._extract_key(data)
            assert key, "验证码接口未返回 key，响应：{}".format(data)
            return key

    def login(self):
        if self._token:
            return self._token
        key = self.get_captcha_key()
        body = {
            "key": key,
            "username": USERNAME,
            "password": PASSWORD,
            "captcha": CAPTCHA,
        }
        headers = {"Content-Type": "application/json", "tenant-id": TENANT_ID}
        with allure.step("前置：登录并获取 token"):
            logging.info("POST %s", self.login_url)
            logging.info("request headers: %s", headers)
            logging.info("request body: %s", self._safe_body(body))
            response = self.session.post(self.login_url, json=body, headers=headers, timeout=TIMEOUT)
            self._attach_request(self.login_url, "POST", headers, self._safe_body(body))
            self._attach_response("login", response)
            response.raise_for_status()
            data = response.json()
            token = self._extract_token(data)
            assert token, "登录接口未返回 token，响应：{}".format(data)
            self._token = token if token.startswith("Bearer ") else "Bearer " + token
            return self._token

    def auth_headers(self):
        return {
            "Authorization": self.login(),
            "Content-Type": "application/json",
            "tenant-id": TENANT_ID,
        }

    @staticmethod
    def _extract_key(data):
        if isinstance(data, dict):
            for field in ("key", "captchaKey", "captcha_key", "uuid"):
                if data.get(field):
                    return data.get(field)
            nested = data.get("data")
            if isinstance(nested, dict):
                for field in ("key", "captchaKey", "captcha_key", "uuid"):
                    if nested.get(field):
                        return nested.get(field)
            if isinstance(nested, str):
                return nested
        return None

    @staticmethod
    def _extract_token(data):
        token_fields = (
            "token",
            "access_token",
            "accessToken",
            "Authorization",
            "authorization",
            "userToken",
            "user_token",
            "jwt",
        )
        if isinstance(data, dict):
            for field in token_fields:
                token = data.get(field)
                if JoyhubAuth._looks_like_token(token):
                    return token
            nested = data.get("data")
            if isinstance(nested, dict):
                for field in token_fields:
                    token = nested.get(field)
                    if JoyhubAuth._looks_like_token(token):
                        return token
        return None

    @staticmethod
    def _looks_like_token(value):
        if not isinstance(value, str):
            return False
        value = value.strip()
        if not value:
            return False
        if any(ord(char) > 127 for char in value):
            return False
        return len(value) >= 16 or value.startswith("Bearer ")

    @staticmethod
    def _safe_body(body):
        safe = dict(body)
        if "password" in safe:
            safe["password"] = "******"
        return safe

    @staticmethod
    def _attach_request(url, method, headers, body):
        allure.attach(str(url), "请求url", allure.attachment_type.TEXT)
        allure.attach(str(method), "请求方式", allure.attachment_type.TEXT)
        allure.attach(json.dumps(headers, ensure_ascii=False, indent=2), "请求头", allure.attachment_type.JSON)
        allure.attach(json.dumps(body, ensure_ascii=False, indent=2), "请求体", allure.attachment_type.JSON)

    @staticmethod
    def _attach_response(name, response):
        logging.info("%s response status: %s", name, response.status_code)
        logging.info("%s response body: %s", name, response.text)
        allure.attach(str(response.status_code), "{} 响应状态码".format(name), allure.attachment_type.TEXT)
        allure.attach(response.text, "{} 响应体".format(name), allure.attachment_type.JSON)