import requests
import json
import asyncio
import aiohttp

from ...standard.database import *
from ...standard.config.config import *


class YandexGPT:
    self.token = None
    self.catalog_id = None
    self.language = {
            "ru": "русский язык",
            "en": "английский язык",
            "de": "немецкий язык",
            "uk": "украинский язык",
            "es": "испанский язык",
            "be": "белорусский язык",
        }

    def __init__(self, token, catalog_id):
        self.token = token
        self.catalog_id = catalog_id

    async def async_token_check(self, messages, gpt, max_tokens, del_msg_id=1):
        url = "https://llm.api.cloud.yandex.net/foundationModels/v1/tokenize"
        while True:
            text = ""
            for message in messages:
                text += message["text"]
            try:
                response = requests.post(url, json={"model": gpt, "text": text})
            except Exception as e: # TODO: Переделать обработку ошибок
                print(e)
                continue
            if int(response.text) < max_tokens - 2000:
                break
            else:
                messages.pop(del_msg_id)
        return messages

    async def async_request(*, url, headers, prompt) -> dict:
        async with aiohttp.ClientSession() as session:
            async with session.post(url, headers=headers, json=prompt) as response:
                return await response.json()

    async def async_yandexgpt_lite(self, system_prompt, input_messages, stream=False, temperature=0.6, max_tokens=8000):
        url = "https://llm.api.cloud.yandex.net/foundationModels/v1/completion"
        gpt = f"gpt://{self.catalog_id}/yandexgpt-lite/latest"
        headers = {
            "Content-Type": "application/json",
            "Authorization": f"Api-Key {self.token}"
        }

        messages = [{"role": "system", "text": system_prompt}]
        for message in input_messages:
            messages.append(message)
        messages = await self.async_token_check(messages, gpt, max_tokens)

        prompt = {
            "modelUri": gpt,
            "completionOptions": {
                "stream": stream,
                "temperature": temperature,
                "maxTokens": max_tokens
            },
            "messages": messages
        }

        response = requests.post(url, headers=headers, json=prompt).text
        return json.loads(response)["result"]["alternatives"][0]["message"]["text"]

    async def async_yandexgpt(self, system_prompt, input_messages, stream=False, temperature=0.6, max_tokens=8000):
        url = "https://llm.api.cloud.yandex.net/foundationModels/v1/completion"
        gpt = f"gpt://{self.catalog_id}/yandexgpt/latest"
        headers = {
            "Content-Type": "application/json",
            "Authorization": f"Api-Key {self.token}"
        }

        messages = [{"role": "system", "text": system_prompt}]
        for message in input_messages:
            messages.append(message)
        messages = await self.async_token_check(messages, gpt, max_tokens)

        prompt = {
            "modelUri": gpt,
            "completionOptions": {
                "stream": stream,
                "temperature": temperature,
                "maxTokens": max_tokens
            },
            "messages": messages
        }

        response = requests.post(url, headers=headers, json=prompt).text
        return json.loads(response)["result"]["alternatives"][0]["message"]["text"]

    async def async_yandexgpt_translate(self, input_language, output_language, text):
        input_language = self.languages[input_language]
        output_language = self.languages[output_language]

        return await self.async_yandexgpt(
            f"Переведи на {output_language} сохранив оригинальный смысл текста. Верни только результат:",
            [{"role": "user", "text": text}],
            stream=False, temperature=0.6, max_tokens=8000
        )

    async def async_yandexgpt_spelling_check(self, input_language, text):
        input_language = self.languages[input_language]

        return await self.async_yandexgpt(
            f"Проверьте орфографию и пунктуацию текста на {input_language}. Верни исправленный текст "
            f"без смысловых искажений:",
            [{"role": "user", "text": text}],
            stream=False, temperature=0.6, max_tokens=8000
        )

    async def async_yandexgpt_text_history(self, messages, stream=False, temperature=0.6, max_tokens=8000):
        url = "https://llm.api.cloud.yandex.net/foundationModels/v1/completion"
        gpt = f"gpt://{self.catalog_id}/summarization/latest"
        headers = {
            "Content-Type": "application/json",
            "Authorization": f"Api-Key {self.token}"
        }

        messages = []
        for message in input_messages:
            messages.append(message)
        messages = await self.async_token_check(messages, gpt, max_tokens, del_msg_id=0)

        prompt = {
            "modelUri": gpt,
            "completionOptions": {
                "stream": stream,
                "temperature": temperature,
                "maxTokens": max_tokens
            },
            "messages": messages
        }

        response = requests.post(url, headers=headers, json=prompt).text
        return json.loads(response)["result"]["alternatives"][0]["message"]["text"]

    async def async_yandex_cloud_text_to_speech(self, text, voice, emotion, speed, format, quality):
        tts = "tts.api.cloud.yandex.net/speech/v1/tts:synthesize"
        # TODO: Сделать функцию TTS
        return 0

    async def async_yandex_cloud_vision(self, image, features, language):
        # TODO: Сделать функцию Vision
        return 0

    async def collect_messages(self, message_id, chat_id):
        messages = []
        # Собираем цепочку сообщений в формате: [{"role": "user", "text": "<Имя_пользователя>: Привет!"},
        # {"role": "assistant", "text": "Привет!"}]
        while True:
            message = get_message_text(chat_id, message_id)
            if get_message_ai_model(chat_id, start_message_id) != None:
                messages.append({"role": "assistant", "text": message})
            else:
                sender_name = get_user_name(get_message_sender_id(chat_id, start_message_id))
                messages.append({"role": "user", "text": sender_name + ": " + message})
            message_id = get_message_answer_to_message_id(chat_id, message_id)
            if message_id is None:
                break
        return messages.reverse()

    async def collecting_messages_for_history(self, start_message_id, end_message_id, chat_id):
        messages = []
        # Собираем цепочку сообщений в формате: [{"role": "user", "text": "<Имя_пользователя>: Привет!"},
        # {"role": "assistant", "text": "Привет!"}]
        while True:
            message = get_message_text(chat_id, start_message_id)
            if get_message_ai_model(chat_id, start_message_id) != None:
                messages.append({"role": "assistant", "text": message})
            else:
                sender_name = get_user_name(get_message_sender_id(chat_id, start_message_id))
                messages.append({"role": "user", "text": sender_name + ": " + message})
            start_message_id -= 1
            if start_message_id <= end_message_id:
                break
        return messages.reverse()

    async def yandexgpt_request(self, message_id = None, type = "yandexgpt-lite", chat_id = None,
                                message_id_end = None):
        if type == "yandexgpt-lite":
            messages = await self.collect_messages(message_id, chat_id)
            return await self.async_yandexgpt_lite(
                system_prompt=get_yandexgpt_prompt(),
                input_messages=messages,
                stream=False, temperature=0.6, max_tokens=8000
            )
        elif type == "yandexgpt":
            messages = await self.collect_messages(message_id, chat_id)
            return await self.async_yandexgpt(
                system_prompt=get_yandexgpt_prompt(),
                input_messages=messages,
                stream=False, temperature=0.6, max_tokens=8000
            )
        elif type == "yandexgpt-translate":
            return await self.async_yandexgpt_translate(
                input_language=get_message_language(chat_id, message_id),
                output_language=get_chat_language(chat_id),
                text=get_message_text(chat_id, message_id)
            )
        elif type == "yandexgpt-spelling-check":
            return await self.async_yandexgpt_spelling_check(
                input_language=get_message_language(chat_id, message_id),
                text=get_message_text(chat_id, message_id)
            )
        elif type == "yandexgpt-text-history":
            messages = await self.collect_messages_for_history(message_id, message_id_end, chat_id)
            return await self.async_yandexgpt_text_history(
                messages=messages,
                stream=False, temperature=0.6, max_tokens=8000
            )
        else:
            return "Ошибка: Неизвестный тип запроса | Error: Unknown request type"