# Centralized Configuration and Environment Layer
import os
from dotenv import load_dotenv

# Load key-value pairs from .env configuration file
load_dotenv()

# Specify application workspace paths relative to this config file
BASE_DIR = os.path.dirname(os.path.abspath(__file__))
STATIC_DIR = os.path.join(BASE_DIR, "static")

# SQLite database file path resolution
DB_PATH = os.path.join(BASE_DIR, "shelf_scribe.db")

# Directory target for local agent traces execution logs
TRACE_DIR = os.path.join(BASE_DIR, "agent_traces")

# Check if .env file is present (indicating local run, since .env is ignored in deploys)
HAS_ENV_FILE = os.path.exists(os.path.join(BASE_DIR, ".env"))

# Identify environment: True if running as a container on Hugging Face Spaces
IS_SPACES = "SPACE_ID" in os.environ and not HAS_ENV_FILE

# Mock Mode activation: Defaults to False so model is used directly in both environments
# Can be explicitly enabled for dry-run testing by setting MOCK_MODE=true in the .env file
MOCK_MODE = os.getenv("MOCK_MODE", "false").lower() == "true"

# Verify or create the static static folder structures if missing
os.makedirs(STATIC_DIR, exist_ok=True)
os.makedirs(TRACE_DIR, exist_ok=True)

# Print active environment mode on load
print("--- Shelf Scribe Runtime Settings ---")
print(f"Hugging Face Spaces: {IS_SPACES}")
print(f"Mock Execution Mode: {MOCK_MODE}")
print("-------------------------------------")