import json
import os
from pathlib import Path

DEFAULT_CONFIG = {
    "app_title": "FJLA Gateway",
    "checks": {
        "network_targets": [["1.1.1.1", 53], ["8.8.8.8", 53]],
        "ziti_target": ["127.0.0.1", 3020],
    },
    "services": [
        {
            "id": "helloworld",
            "title": "Test Service",
            "desc": "Test Service",
            "type": "browser",
            "target": "https://www.example.com",
        },
    ],
}

def get_config_path():
  """Determines standard user config path: ~/.config/launcher/config.json"""
  config_dir = Path.home() / ".config" / "launcher"
  config_dir.mkdir(parents=True, exist_ok=True)
  return config_dir / "config.json"

def load_launcher_config(config_path=None):
    path = Path(config_path) if config_path else get_config_path()

    if not path.exists():
        save_default_config(path)
        return DEFAULT_CONFIG
    
    try:
        with open(path, "r", encoding="utf-8") as f:
            user_config = json.load(f)
            merged = DEFAULT_CONFIG.copy()
            merged.update(user_config)
            return merged
    except Exception as e:
        print(
            f"Error loading config from {path}: {e}.  Running with default config"
        )
        return DEFAULT_CONFIG

def save_default_config(path):
  try:
    with open(path, "w", encoding="utf-8") as f:
      json.dump(DEFAULT_CONFIG, f, indent=4)
      print(f"Created default configuration at: {path}")
  except Exception as e:
    print(f"Failed to save default config: {e}")