package org.onap.crud.test.util;

import java.io.File;
import java.io.IOException;
import java.net.URISyntaxException;
import java.net.URL;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;

/**
 * Helper methods for locating and reading test data files.
 *
 */
public class TestUtil {

    public static Path getPath(String resourceFilename) throws URISyntaxException {
        URL resource = ClassLoader.getSystemResource(resourceFilename);
        if (resource != null) {
            return Paths.get(resource.toURI());
        }

        // If the resource is not found relative to the classpath, try to get it from the file system directly.
        File file = new File(resourceFilename);
        if (!file.exists()) {
            throw new RuntimeException("Resource does not exist: " + resourceFilename);
        }
        return file.toPath();
    }

    public static String getContentUtf8(Path filePath) throws IOException {
        return new String(Files.readAllBytes(filePath));
    }

    public static String getFileAsString(String resourceFilename) throws IOException, URISyntaxException {
        return getContentUtf8(getPath(resourceFilename));
    }
}