# src/constants.py
"""Application-wide constants and configuration values."""
import os

APP_VERSION = "1.0.0"

# Base paths
BASE_DIR = os.path.dirname(os.path.dirname(os.path.abspath(__file__))) + "/"
STATIC_DIR = os.path.join(BASE_DIR, "static")
DATA_DIR = os.path.join(BASE_DIR, "data")

# Data file paths
SESSIONS_FILE = os.path.join(DATA_DIR, "sessions.json")
MEMORY_FILE = os.path.join(DATA_DIR, "memory.json")
MEMORY_DOC = os.path.join(DATA_DIR, "memory_doc.md")
PERSONAL_DIR = os.path.join(DATA_DIR, "personal_docs")
RUNBOOK_DIR = os.path.join(PERSONAL_DIR, "runbook")
UPLOAD_DIR = os.path.join(DATA_DIR, "uploads")
FEATURES_FILE = os.path.join(DATA_DIR, "features.json")
SETTINGS_FILE = os.path.join(DATA_DIR, "settings.json")

# Agent tool output limits (single source of truth — imported by tool_execution.py,
# tool_implementations.py, agent_tools.py, and any other module that needs them)
MAX_OUTPUT_CHARS = 10_000       # cap for bash/python/web_search/web_fetch output
MAX_READ_CHARS = 20_000         # cap for read_file / document preview
MAX_DIFF_LINES = 400            # cap for edit_file unified-diff display

# API Configuration
MAX_CONTEXT_MESSAGES = 90
REQUEST_TIMEOUT = 20
OPENAI_COMPAT_PATH = "/v1/chat/completions"

# Environment variables with defaults
DEFAULT_HOST = os.getenv("LLM_HOST", "localhost")
LLM_HOSTS = [h.strip() for h in os.getenv("LLM_HOSTS", "").split(",") if h.strip()]
OPENAI_API_KEY = os.getenv("OPENAI_API_KEY")
SEARXNG_INSTANCE = os.getenv("SEARXNG_INSTANCE", "http://localhost:8080")


# Cleanup configuration
CLEANUP_ENABLED = os.getenv("CLEANUP_ENABLED", "True").lower() == "true"
CLEANUP_INTERVAL_HOURS = int(os.getenv("CLEANUP_INTERVAL_HOURS", "24"))

# Default parameters
DEFAULT_TEMPERATURE = 1.0
DEFAULT_MAX_TOKENS = 0