namespace Coilgarden;

/// <summary>
/// Reads and writes <see cref="GameSettings"/> to the game's data folder.
/// <para>
/// Best effort, always, exactly like <see cref="HighScoreStore"/>: a missing, unreadable or
/// corrupt file falls back to designed defaults rather than stopping the player getting into a
/// game, and every failure is logged so it is not silent.
/// </para>
/// </summary>
public static class SettingsStore
{
	public const string FileName = "coilgarden-settings.json";

	public static GameSettings Load()
	{
		try
		{
			if ( !FileSystem.Data.FileExists( FileName ) ) return new GameSettings();

			var loaded = FileSystem.Data.ReadJsonOrDefault<GameSettings>( FileName, null );

			if ( loaded is null )
			{
				Log.Warning( $"Coilgarden: {FileName} could not be read, starting from defaults." );
				return new GameSettings();
			}

			loaded.Clamp();
			return loaded;
		}
		catch ( Exception e )
		{
			Log.Warning( $"Coilgarden: {FileName} is unreadable ({e.Message}), starting from defaults." );
			return new GameSettings();
		}
	}

	public static void Save( GameSettings settings )
	{
		if ( settings is null ) return;

		try
		{
			FileSystem.Data.WriteJson( FileName, settings );
		}
		catch ( Exception e )
		{
			Log.Warning( $"Coilgarden: could not save {FileName} ({e.Message})" );
		}
	}
}