from dotenv import load_dotenv
import os
import openai

class GeminiModel:

    def __init__(self):
        load_dotenv()
        self.openrouter_api_key = os.getenv("OPENROUTER_API_KEY")
        self.openrouter_api_url = os.getenv("OPENROUTER_API_URL", "https://openrouter.ai/api/v1")

    def call(self, prompt):
        if not self.openrouter_api_key:
            raise ValueError("OPENROUTER_API_KEY is not set in environment variables.")

        client = openai.OpenAI(
            base_url=self.openrouter_api_url,
            api_key=self.openrouter_api_key,
        )

        try:
            response = client.chat.completions.create(
                model="google/gemini-2.5-flash",
                temperature=0.5,
                messages=[
                    {"role": "user", "content": prompt}
                ]
            )
            data = response.to_dict()
            return data['choices'][0]['message']['content']
        except openai.APIError as e:
            print(f"OpenRouter API call failed: {e}")
            raise

if __name__ == "__main__":
    model = GeminiModel()
    print(model.call("Сколько будет 2 + 2?"))