import re
from json import loads
from uuid import uuid4

from fake_useragent import UserAgent
from tls_client import Session


class Completion:
    @staticmethod
    def create(
            prompt: str,
            page: int = 1,
            count: int = 10,
            safe_search: str = 'Moderate',
            on_shopping_page: bool = False,
            mkt: str = '',
            response_filter: str = 'WebPages,Translations,TimeZone,Computation,RelatedSearches',
            domain: str = 'youchat',
            query_trace_id: str = None,
            chat: list = None,
            include_links: bool = False,
            detailed: bool = False,
            debug: bool = False,
    ) -> dict:
        if chat is None:
            chat = []

        client = Session(client_identifier='chrome_108')
        client.headers = Completion.__get_headers()

        response = client.get(
            f'https://you.com/api/streamingSearch',
            params={
                'q': prompt,
                'page': page,
                'count': count,
                'safeSearch': safe_search,
                'onShoppingPage': on_shopping_page,
                'mkt': mkt,
                'responseFilter': response_filter,
                'domain': domain,
                'queryTraceId': str(uuid4()) if query_trace_id is None else query_trace_id,
                'chat': str(chat),  # {'question':'','answer':' ''}
            },
        )

        if debug:
            print('\n\n------------------\n\n')
            print(response.text)
            print('\n\n------------------\n\n')

        if 'youChatToken' not in response.text:
            return Completion.__get_failure_response()

        you_chat_serp_results = re.search(
            r'(?<=event: youChatSerpResults\ndata:)(.*\n)*?(?=event: )', response.text
        ).group()
        third_party_search_results = re.search(
            r'(?<=event: thirdPartySearchResults\ndata:)(.*\n)*?(?=event: )', response.text
        ).group()
        # slots                   = findall(r"slots\ndata: (.*)\n\nevent", response.text)[0]

        text = ''.join(re.findall(r'{\"youChatToken\": \"(.*?)\"}', response.text))

        extra = {
            'youChatSerpResults': loads(you_chat_serp_results),
            # 'slots'                   : loads(slots)
        }

        return {
            'response': text.replace('\\n', '\n').replace('\\\\', '\\'),
            'links': loads(third_party_search_results)['search']['third_party_search_results']
            if include_links
            else None,
            'extra': extra if detailed else None,
        }

    @classmethod
    def __get_headers(cls) -> dict:
        return {
            'authority': 'you.com',
            'accept': 'text/event-stream',
            'accept-language': 'en,fr-FR;q=0.9,fr;q=0.8,es-ES;q=0.7,es;q=0.6,en-US;q=0.5,am;q=0.4,de;q=0.3',
            'cache-control': 'no-cache',
            'referer': 'https://you.com/search?q=who+are+you&tbm=youchat',
            'sec-ch-ua': '"Not_A Brand";v="99", "Google Chrome";v="109", "Chromium";v="109"',
            'sec-ch-ua-mobile': '?0',
            'sec-ch-ua-platform': '"Windows"',
            'sec-fetch-dest': 'empty',
            'sec-fetch-mode': 'cors',
            'sec-fetch-site': 'same-origin',
            'cookie': f'safesearch_guest=Moderate; uuid_guest={str(uuid4())}',
            'user-agent': UserAgent().random,
        }

    @classmethod
    def __get_failure_response(cls) -> dict:
        return dict(response='Unable to fetch the response, Please try again.', links=[], extra={})