"""
Handles loading and saving of radar configuration profiles from a JSON file.
"""
import json
import os

# Use a file in the user's home directory to persist profiles
# across different project locations or versions.
PROFILES_FILE = os.path.join(os.path.expanduser("~"), ".radar_simulator_profiles.json")

def load_profiles():
    """
    Loads radar configuration profiles from the JSON file.
    If the file doesn't exist or is corrupted, returns an empty dictionary.
    """
    if not os.path.exists(PROFILES_FILE):
        return {}
    try:
        with open(PROFILES_FILE, 'r') as f:
            profiles = json.load(f)
            # Basic validation
            if isinstance(profiles, dict):
                return profiles
            return {}
    except (IOError, json.JSONDecodeError):
        return {}

def save_profiles(profiles):
    """
    Saves the given profiles dictionary to the JSON file.
    Returns True on success, False on failure.
    """
    try:
        with open(PROFILES_FILE, 'w') as f:
            json.dump(profiles, f, indent=4)
        return True
    except IOError:
        return False