"""Server configuration loaded from environment variables."""

from __future__ import annotations

import os
from dataclasses import dataclass


@dataclass
class ServerConfig:
    dsn: str = os.getenv("LYRIC_DEDUP_DSN", "postgresql:///lyric_dedup")
    max_candidates: int = int(os.getenv("LYRIC_DEDUP_MAX_CANDIDATES", "5"))
    recall_limit: int = int(os.getenv("LYRIC_DEDUP_RECALL_LIMIT", "100"))
    enable_trgm: bool = os.getenv("LYRIC_DEDUP_ENABLE_TRGM", "false").lower() == "true"
    trgm_threshold: float = float(os.getenv("LYRIC_DEDUP_TRGM_THRESHOLD", "0.3"))
    statement_timeout_ms: int = int(os.getenv("LYRIC_DEDUP_STATEMENT_TIMEOUT_MS", "5000"))
    download_timeout: int = int(os.getenv("LYRIC_DEDUP_DOWNLOAD_TIMEOUT", "10"))