"""Centralized configuration for CodeTribunal."""

import os
from dataclasses import dataclass
from pathlib import Path

from dotenv import load_dotenv

load_dotenv(Path(__file__).resolve().parent.parent.parent / ".env")


@dataclass(frozen=True)
class TribunalConfig:
    """Immutable runtime configuration loaded from environment variables."""

    model_name: str = os.getenv("MODEL_NAME", "zai/glm-5.1")
    api_key: str = os.getenv("ZAI_API_KEY", "")
    api_base: str = os.getenv("ZAI_API_BASE", "https://api.z.ai/api/coding/paas/v4")
    temperature: float = float(os.getenv("TEMPERATURE", "0.3"))
    max_tokens: int = int(os.getenv("MAX_TOKENS", "4096"))

    grit_timeout: int = int(os.getenv("GRIT_TIMEOUT", "60"))
    max_file_size_mb: int = int(os.getenv("MAX_FILE_SIZE_MB", "50"))
    max_files: int = int(os.getenv("MAX_FILES", "500"))
    evidence_chunk_size: int = int(os.getenv("EVIDENCE_CHUNK_SIZE", "3000"))
    max_scan_workers: int = int(os.getenv("MAX_SCAN_WORKERS", "4"))

    server_host: str = os.getenv("SERVER_HOST", "0.0.0.0")
    server_port: int = int(os.getenv("SERVER_PORT", "7860"))

    storage_dir: str = os.getenv("STORAGE_DIR", ".tribunal_data")

    @property
    def is_configured(self) -> bool:
        return bool(self.api_key)