import os
import json
from pathlib import Path

class Config:
    _instance = None

    def __new__(cls):
        if cls._instance is None:
            cls._instance = super().__new__(cls)
            cls._instance._load_config()
        return cls._instance

    def _load_config(self):
        self.config = {
            "API_KEYS": {
                "OPENAI": os.getenv("OPENAI_API_KEY", ""),
                "ANTHROPIC": os.getenv("ANTHROPIC_API_KEY", ""),
                "BING": os.getenv("BING_API_KEY", ""),
                "GOOGLE_SEARCH": os.getenv("GOOGLE_API_KEY", ""),
                "GOOGLE_SEARCH_ENGINE_ID": os.getenv("GOOGLE_SEARCH_ENGINE_ID", ""),
                "PERPLEXITY": os.getenv("PERPLEXITY_API_KEY", ""),
            },
            "API_ENDPOINTS": {
                "BING": "https://api.bing.microsoft.com/v7.0/search",
                "GOOGLE": "https://www.googleapis.com/customsearch/v1",
                "PERPLEXITY": "https://api.perplexity.ai",
            }
        }
        
        # Create necessary directories
        base_dir = Path("/code")
        for dir_name in ["db", "logs", "projects", "screenshots", "pdfs"]:
            (base_dir / dir_name).mkdir(exist_ok=True)
            
    def get_config(self):
        return self.config

    def get_bing_api_key(self):
        return self.config["API_KEYS"]["BING"]

    def get_google_search_api_key(self):
        return self.config["API_KEYS"]["GOOGLE_SEARCH"]

    def get_google_search_engine_id(self):
        return self.config["API_KEYS"]["GOOGLE_SEARCH_ENGINE_ID"]
        
    def get_perplexity_api_key(self):
        return self.config["API_KEYS"]["PERPLEXITY"]