/*
 *
 *   Copyright 2019 Red Hat, Inc. and/or its affiliates.
 *
 *   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 org.serverless.workflow.impl;

import java.io.File;
import java.io.IOException;
import java.nio.charset.StandardCharsets;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.util.List;

import org.junit.jupiter.api.Assertions;
import org.serverless.workflow.api.WorkflowManager;
import org.serverless.workflow.api.validation.ValidationError;
import org.serverless.workflow.spi.WorkflowManagerProvider;

public class BaseWorkflowTest {

    private Path resourceDirectory = Paths.get("src",
                                               "test",
                                               "resources");
    private String absolutePath = resourceDirectory.toFile().getAbsolutePath();

    public WorkflowManager getWorkflowManager() {

        return WorkflowManagerProvider.getInstance().get();
    }

    public String getResourcePathFor(String file) {
        return absolutePath + File.separator + file;
    }

    public Path getResourcePath(String file) {
        return Paths.get(absolutePath + File.separator + file);
    }

    public static String getFileContents(final Path path) {
        try {
            return new String(Files.readAllBytes(path),
                              StandardCharsets.UTF_8);
        } catch (final IOException e) {
            throw new RuntimeException(e);
        }
    }

    public void expectError(List<ValidationError> errors,
                            String error,
                            String type) {
        boolean found = errors.stream().anyMatch(e -> e.getMessage().equalsIgnoreCase(error) && e.getType().equalsIgnoreCase(type));
        if (!found) {
            Assertions.fail(String.format("Expected %s error \"%s\"",
                                          type,
                                          error));
        }
    }
}