using System;

using UnityEngine;

using Framework.Support;

namespace Framework.Services {

  /// <summary>Provides access to game object holding the settings for a service</summary>
  public static class SettingsContainer {

    /// <summary>Retrieves the settings of the specified type</summary>
    /// <typeparam name="TComponent">Settings that will be created</typeparam>
    /// <param name="scope">Scope in which the service will be created</param>
    /// <returns>The requested component</returns>
    public static TComponent Get<TComponent>(string name)
      where TComponent : MonoBehaviour {
      GameObject container = Get(name);
      if(GameObjectHelper.IsNullOrDestroyed(container)) {
        return null;
      } else {
        return container.GetComponent<TComponent>();
      }
    }

    /// <summary>Retrieves the setting root for the service with the specified name</summary>
    /// <param name="scope">Scope for which the services root will be retrieved</param>
    /// <returns>The services root for the specified scope</returns>
    public static GameObject Get(string name) {
      GameObject settingsRoot = SettingsRoot.Get();
      if(GameObjectHelper.IsNullOrDestroyed(settingsRoot)) {
        return null;
      } else {
        return GameObjectHelper.GetChildByName(settingsRoot, name);
      }
    }

  }

} // namespace Framework.Services