import os
from typing import List
from dotenv import load_dotenv

load_dotenv()


def get_api_keys() -> List[str]:
    keys_str = os.getenv("OPENROUTER_API_KEYS", "")
    if not keys_str:
        raise ValueError("OPENROUTER_API_KEYS environment variable is not set")
    keys = [k.strip() for k in keys_str.split(",") if k.strip()]
    if not keys:
        raise ValueError("No valid API keys found in OPENROUTER_API_KEYS")
    return keys


def get_scan_interval_hours() -> float:
    return float(os.getenv("SCAN_INTERVAL_HOURS", "1"))


def get_max_retries() -> int:
    return int(os.getenv("MAX_RETRIES", "3"))


def get_retry_delay() -> int:
    return int(os.getenv("RETRY_DELAY", "5"))


def get_request_timeout() -> int:
    return int(os.getenv("REQUEST_TIMEOUT", "30"))


def get_max_concurrency() -> int:
    return int(os.getenv("MAX_CONCURRENCY", "5"))


def get_test_prompt() -> str:
    return os.getenv("TEST_PROMPT", "hi")