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package org.bitbucket.bradleysmithllc.etlunit.feature.file;

/*
 * #%L
 * etlunit-file
 * %%
 * Copyright (C) 2010 - 2023 bradleysmithllc
 * %%
 * 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.
 * #L%
 */

import com.fasterxml.jackson.databind.JsonNode;
import com.github.fge.jackson.JsonLoader;
import org.bitbucket.bradleysmithllc.etlunit.util.JSonBuilderProxy;

import java.io.File;
import java.io.IOException;

public class ContextFile
{
	private final File file;
	private final String fileName;
	private final String destinationName;
	private final String variableName;
	private final String contextName;
	private final String classifierName;

	public ContextFile(File path, String fileName, String destinationName, String variableName, String classifier, String contextName)
	{
		this.file = path;
		this.fileName = fileName;
		this.destinationName = destinationName;
		this.variableName = variableName;
		this.contextName = contextName;
		this.classifierName = classifier;
	}

	public File getFile()
	{
		return file;
	}

	public String getFileName()
	{
		return fileName;
	}

	public String getDestinationName()
	{
		return destinationName;
	}

	public String getVariableName()
	{
		return variableName;
	}

	public String getContextName()
	{
		return contextName;
	}

	public String getClassifierName()
	{
		return classifierName;
	}

	public JsonNode toJsonNode()
	{
		JSonBuilderProxy proxy = new JSonBuilderProxy().object().key("file").value(file.getAbsolutePath());

		proxy = proxy.key("file-name").value(fileName);

		if (classifierName != null)
		{
			proxy = proxy.key("classifier-name").value(classifierName);
		}

		if (destinationName != null)
		{
			proxy = proxy.key("destination-name").value(destinationName);
		}

		if (variableName != null)
		{
			proxy = proxy.key("variable-name").value(variableName);
		}

		if (contextName != null)
		{
			proxy = proxy.key("context-name").value(contextName);
		}

		proxy.endObject();

		try
		{
			return JsonLoader.fromString(proxy.toString());
		}
		catch (IOException e)
		{
			throw new RuntimeException("Bad Builder!", e);
		}
	}

	public static ContextFile parse(JsonNode jsonNode)
	{
		ContextFileBuilder contextFileBuilder = new ContextFileBuilder(new File(jsonNode.get("file").asText()), jsonNode.get("file-name").asText());

		JsonNode q = jsonNode.get("destination-name");
		if (q != null)
		{
			contextFileBuilder.withDestinationName(q.asText());
		}

		q = jsonNode.get("classifier-name");
		if (q != null)
		{
			contextFileBuilder.withClassifier(q.asText());
		}

		q = jsonNode.get("variable-name");
		if (q != null)
		{
			contextFileBuilder.withVariableName(q.asText());
		}

		q = jsonNode.get("context-name");
		if (q != null)
		{
			contextFileBuilder.withContextName(q.asText());
		}

		return contextFileBuilder.create();
	}

	@Override
	public boolean equals(Object o)
	{
		if (this == o)
		{
			return true;
		}
		if (o == null || getClass() != o.getClass())
		{
			return false;
		}

		ContextFile that = (ContextFile) o;

		if (classifierName != null ? !classifierName.equals(that.classifierName) : that.classifierName != null)
		{
			return false;
		}
		if (contextName != null ? !contextName.equals(that.contextName) : that.contextName != null)
		{
			return false;
		}
		if (!destinationName.equals(that.destinationName))
		{
			return false;
		}
		if (!file.equals(that.file))
		{
			return false;
		}
		if (!fileName.equals(that.fileName))
		{
			return false;
		}
		if (variableName != null ? !variableName.equals(that.variableName) : that.variableName != null)
		{
			return false;
		}

		return true;
	}

	@Override
	public int hashCode()
	{
		int result = file.hashCode();
		result = 31 * result + fileName.hashCode();
		result = 31 * result + destinationName.hashCode();
		result = 31 * result + (variableName != null ? variableName.hashCode() : 0);
		result = 31 * result + (contextName != null ? contextName.hashCode() : 0);
		result = 31 * result + (classifierName != null ? classifierName.hashCode() : 0);
		return result;
	}
}