# coding=utf-8
"""
OpenAI 兼容私域模型凭证
用于添加自定义 OpenAI 兼容 API 的私域模型
"""
from typing import Dict

from django.utils.translation import gettext_lazy as _, gettext

from common import forms
from common.exception.app_exception import AppApiException
from common.forms import BaseForm, TooltipLabel
from models_provider.base_model_provider import BaseModelCredential, ValidCode


class OpenAICompatibleLLMModelParams(BaseForm):
    temperature = forms.SliderField(TooltipLabel(_('Temperature'),
                                                 _('Higher values make the output more random, while lower makes it more focused')),
                                    required=True, default_value=0.7,
                                    _min=0.1,
                                    _max=1.0,
                                    _step=0.01,
                                    precision=2)

    max_tokens = forms.SliderField(
        TooltipLabel(_('Max Tokens'),
                     _('Maximum number of tokens to generate')),
        required=True, default_value=2048,
        _min=1,
        _max=128000,
        _step=1,
        precision=0)


class OpenAICompatibleLLMModelCredential(BaseForm, BaseModelCredential):
    """
    OpenAI 兼容 API 凭证
    用户只需填写 API URL 和 API Key 即可添加私域模型
    """

    def is_valid(self, model_type: str, model_name, model_credential: Dict[str, object], model_params, provider,
                 raise_exception=False):
        for key in ['api_base', 'api_key']:
            if key not in model_credential or not model_credential.get(key):
                if raise_exception:
                    raise AppApiException(ValidCode.valid_error.value,
                                          gettext('{key} is required').format(key=key))
                else:
                    return False
        return True

    def encryption_dict(self, model_info: Dict[str, object]):
        return {**model_info, 'api_key': super().encryption(model_info.get('api_key', ''))}

    api_base = forms.TextInputField('API URL', required=True)
    api_key = forms.PasswordInputField('API Key', required=True)

    def get_model_params_setting_form(self, model_name):
        return OpenAICompatibleLLMModelParams()