"""
config.py — Application settings via pydantic-settings.
Set OPENROUTER_API_KEY in .env locally or in HF Space Secrets.
"""
import os
from pydantic_settings import BaseSettings, SettingsConfigDict


class Settings(BaseSettings):
    model_config = SettingsConfigDict(
        env_file=".env",
        env_file_encoding="utf-8",
        extra="ignore",
        case_sensitive=False,
    )

    # ── OpenRouter ─────────────────────────────────────────────────────────────
    OPENROUTER_API_KEY: str = ""
    BASE_URL: str = "https://openrouter.ai/api/v1"

    # ── 2 Panel Debugger LLMs (run in parallel) ────────────────────────────────
    PANEL_MODELS: list = [
        "arcee-ai/trinity-large-preview:free",
        "nvidia/nemotron-3-nano-30b-a3b:free",
    ]

    PANEL_MODEL_LABELS: dict = {
        "arcee-ai/trinity-large-preview:free": "Trinity Large",
        "nvidia/nemotron-3-nano-30b-a3b:free": "Nemotron Nano",
    }

    # ── Judge LLM (StepFun Flash) ─────────────────────────────────────────────
    JUDGE_MODEL: str = "stepfun/step-3.5-flash:free"
    JUDGE_LABEL: str = "StepFun Flash Judge"

    # ── Generation params ─────────────────────────────────────────────────────
    PANEL_TEMPERATURE: float = 0.3
    JUDGE_TEMPERATURE: float = 0.1
    PANEL_MAX_TOKENS:  int   = 2048
    JUDGE_MAX_TOKENS:  int   = 4096

    def __init__(self, **data):
        if not data.get("OPENROUTER_API_KEY"):
            env_key = (
                os.environ.get("OPENROUTER_API_KEY")
                or os.environ.get("openrouter_api_key")
                or ""
            )
            if env_key:
                data["OPENROUTER_API_KEY"] = env_key
        super().__init__(**data)


settings = Settings()