/*
 * Copyright 2019, Perfect Sense, Inc.
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *     http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */

package gyro.core.workflow;

import gyro.core.Type;
import gyro.core.directive.DirectiveProcessor;
import gyro.core.scope.FileScope;
import gyro.lang.ast.block.DirectiveNode;

@Type("define")
public class DefineDirectiveProcessor extends DirectiveProcessor<FileScope> {

    private static final ThreadLocal<String> CURRENT_WORKFLOW = new ThreadLocal<>();

    public static final String WORKFLOW_KEY_PATTERN = "%s:::%s";

    public static String getCurrentWorkflow() {
        return CURRENT_WORKFLOW.get();
    }

    @Override
    public void process(FileScope scope, DirectiveNode node) {
        validateArguments(node, 2, 2);

        String type = getArgument(scope, node, String.class, 0);
        String name = getArgument(scope, node, String.class, 1);

        CURRENT_WORKFLOW.set(String.format(WORKFLOW_KEY_PATTERN, type, name));
        scope.getRootScope()
            .getSettings(WorkflowSettings.class)
            .getWorkflows()
            .add(new Workflow(type, name, evaluateBody(scope, node)));
        CURRENT_WORKFLOW.remove();
    }

}
