Naver Open API (Search, Papago, Clova)

import os
import requests

CLIENT_ID = os.environ['NAVER_CLIENT_ID']        # X-NCP-APIGW-API-KEY-ID
CLIENT_SECRET = os.environ['NAVER_CLIENT_SECRET']  # X-NCP-APIGW-API-KEY

headers = {
    'X-NCP-APIGW-API-KEY-ID': CLIENT_ID,
    'X-NCP-APIGW-API-KEY': CLIENT_SECRET,
}

# --- Search API (blog, news, web, image, shopping, book) ---
# Base URL: https://openapi.naver.com/v1/search/{type}.json
def search_blog(query: str, display: int = 10, start: int = 1):
    url = 'https://openapi.naver.com/v1/search/blog.json'
    params = {
        'query': query,
        'display': display,  # 1-100, default 10
        'start': start,      # 1-1000
        'sort': 'sim',       # 'sim' (relevance) or 'date'
    }
    response = requests.get(url, headers=headers, params=params)
    response.raise_for_status()
    return response.json()

def search_news(query: str):
    url = 'https://openapi.naver.com/v1/search/news.json'
    params = {'query': query, 'display': 10, 'sort': 'date'}
    response = requests.get(url, headers=headers, params=params)
    response.raise_for_status()
    return response.json()

# --- Papago Translation ---
# Supported language pairs: ko<->en, ko<->zh-CN, ko<->zh-TW, ko<->ja, ko<->es, ko<->fr, etc.
def translate(text: str, source: str = 'ko', target: str = 'en'):
    url = 'https://naveropenapi.apigw.ntruss.com/nmt/v1/translation'
    # NOTE: Papago uses different base URL than Search API
    data = {
        'source': source,
        'target': target,
        'text': text,
    }
    response = requests.post(url, headers=headers, data=data)
    response.raise_for_status()
    return response.json()['message']['result']['translatedText']

# --- Clova OCR ---
def ocr_image(image_url: str):
    url = 'https://naveropenapi.apigw.ntruss.com/ocr/v1/recognize'
    data = {
        'image': image_url,
        'lang': 'ko',
        'type': 'url',
    }
    response = requests.post(url, headers=headers, data=data)
    response.raise_for_status()
    return response.json()

# --- Naver Login (OAuth 2.0) ---
# Step 1: Redirect user to Naver auth URL
import urllib.parse

def get_naver_login_url(state: str) -> str:
    params = {
        'response_type': 'code',
        'client_id': CLIENT_ID,
        'redirect_uri': 'https://yourdomain.com/callback',
        'state': state,
    }
    return 'https://nid.naver.com/oauth2.0/authorize?' + urllib.parse.urlencode(params)

# Step 2: Exchange code for token
def get_naver_token(code: str, state: str) -> dict:
    url = 'https://nid.naver.com/oauth2.0/token'
    params = {
        'grant_type': 'authorization_code',
        'client_id': CLIENT_ID,
        'client_secret': CLIENT_SECRET,
        'code': code,
        'state': state,
    }
    response = requests.get(url, params=params)
    return response.json()

# Step 3: Get user profile
def get_naver_profile(access_token: str) -> dict:
    url = 'https://openapi.naver.com/v1/nid/me'
    headers_auth = {'Authorization': f'Bearer {access_token}'}
    response = requests.get(url, headers=headers_auth)
    return response.json()