import { ConfigurationModel } from '../models/configuration-model';
import { toValuesTree } from '../helpers';
import { URI } from '@vscode-alt/monaco-editor/esm/vs/base/common/uri';

//src/vs/platform/configuration/common/configurationModels.ts
export class AbstractConfigurationChangeEvent {

    protected doesConfigurationContains(configuration: ConfigurationModel, config: string): boolean {
        let changedKeysTree = configuration.contents;
        let requestedTree = toValuesTree({ [config]: true }, () => { });

        let key;
        while (typeof requestedTree === 'object' && (key = Object.keys(requestedTree)[0])) { // Only one key should present, since we added only one property
            changedKeysTree = changedKeysTree[key];
            if (!changedKeysTree) {
                return false; // Requested tree is not found
            }
            requestedTree = requestedTree[key];
        }
        return true;
    }

    protected updateKeys(configuration: ConfigurationModel, keys: string[], resource?: URI): void {
        for (const key of keys) {
            configuration.setValue(key, {});
        }
    }
}