/**
 * Copyright (c) 2011, 2015 - Lunifera GmbH (Gross Enzersdorf, Austria), Loetz GmbH&Co.KG (69115 Heidelberg, Germany)
 * All rights reserved. This program and the accompanying materials
 * are made available under the terms of the Eclipse Public License 2.0 
 * which accompanies this distribution, and is available at
 * https://www.eclipse.org/legal/epl-2.0/
 *
 * SPDX-License-Identifier: EPL-2.0
 *
 * Contributors:
 *         Florian Pirchner - Initial implementation
 */

package org.eclipse.osbp.runtime.common.validation;

import java.util.HashMap;
import java.util.Map;

import org.osgi.framework.FrameworkUtil;

/**
 * The Class Status.
 */
public class Status implements IStatus {

	/** The code. */
	private String code = "";
	
	/** The bundle symbolic name. */
	private String bundleSymbolicName = "";
	
	/** The severity. */
	private Severity severity;
	
	/** The message. */
	private String message = "";
	
	/** The exception. */
	private Exception exception;
	
	/** The properties. */
	private Map<String, Object> properties;

	/**
	 * Instantiates a new status.
	 */
	public Status() {

	}

	/**
	 * Creates an OK status.
	 *
	 * @return the i status
	 */
	public static IStatus createOKStatus() {
		Status status = new Status();
		status.severity = Severity.OK;
		return status;
	}

	/**
	 * Creates an CANCEL status.
	 *
	 * @return the i status
	 */
	public static IStatus createCancelStatus() {
		Status status = new Status();
		status.severity = Severity.CANCEL;
		return status;
	}

	/**
	 * Creates an ERROR status.
	 *
	 * @return the i status
	 */
	public static IStatus createErrorStatus() {
		Status status = new Status();
		status.severity = Severity.ERROR;
		return status;
	}

	/**
	 * Creates an ERROR status.
	 *
	 * @param e
	 *            - the exception
	 * @return the i status
	 */
	public static IStatus createErrorStatus(Exception e) {
		Status status = new Status();
		status.severity = Severity.ERROR;
		status.exception = e;
		return status;
	}

	/**
	 * Creates a status for the given parameters.
	 *
	 * @param code
	 *            - the unique message code (is unique in a bundle)
	 * @param clazz
	 *            - the class that is contained in the bundle, that specifies
	 *            the code
	 * @param severity
	 *            - the serverity of the status
	 * @param message
	 *            - the message of the status
	 * @return the i status
	 */
	public static IStatus createStatus(String code, Class<?> clazz,
			Severity severity, String message) {
		Status status = new Status();
		status.code = code;
		status.bundleSymbolicName = getBundleSymbolicName(clazz);
		status.severity = severity;
		status.message = message;
		return status;
	}

	/**
	 * Creates a status for the given parameters.
	 *
	 * @param code            - the unique message code (is unique in a bundle)
	 * @param clazz            - the class that is contained in the bundle, that specifies
	 *            the code
	 * @param severity            - the serverity of the status
	 * @param message            - the message of the status
	 * @param value the value
	 * @return the i status
	 */
	public static IStatus createStatus(String code, Class<?> clazz,
			Severity severity, String message, Object value) {
		Status status = new Status();
		status.code = code;
		status.bundleSymbolicName = getBundleSymbolicName(clazz);
		status.severity = severity;
		status.message = message;
		status.putProperty(PROP_FIELD_VALUE, String.valueOf(value));
		return status;
	}
	
	/**
	 * Creates the status.
	 *
	 * @param code
	 *            - the unique message code (is unique in a bundle)
	 * @param clazz
	 *            - the class that is contained in the bundle, that specifies
	 *            the code
	 * @param severity
	 *            - the serverity of the status
	 * @param message
	 *            - the message of the status
	 * @param exception
	 *            - the thrown exception
	 * @return the i status
	 */
	public static IStatus createStatus(String code, Class<?> clazz,
			Severity severity, String message, Exception exception) {
		Status status = new Status();
		status.code = code;
		status.bundleSymbolicName = getBundleSymbolicName(clazz);
		status.severity = severity;
		status.message = message;
		status.exception = exception;
		return status;
	}

	/**
	 * Creates the status.
	 *
	 * @param code
	 *            - the unique message code (is unique in a bundle)
	 * @param clazz
	 *            - the class that is contained in the bundle, that specifies
	 *            the code
	 * @param severity
	 *            - the serverity of the status
	 * @param exception
	 *            - the thrown exception
	 * @return the i status
	 */
	public static IStatus createStatus(String code, Class<?> clazz,
			Severity severity, Exception exception) {
		Status status = new Status();
		status.code = code;
		status.bundleSymbolicName = getBundleSymbolicName(clazz);
		status.severity = severity;
		status.exception = exception;
		return status;
	}

	/**
	 * Returns the bundle symbolic name for the given class.
	 *
	 * @param clazz
	 *            the clazz
	 * @return the bundle symbolic name
	 */
	private static String getBundleSymbolicName(Class<?> clazz) {
		if (clazz == null || FrameworkUtil.getBundle(clazz) == null) {
			return "no bundle available";
		}
		return FrameworkUtil.getBundle(clazz).getSymbolicName();
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.common.validation.IStatus#getId()
	 */
	@Override
	public String getId() {
		return String.format("%s.%s", getBundleSymblicName(), getCode());
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.common.validation.IStatus#getCode()
	 */
	@Override
	public String getCode() {
		return code;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.common.validation.IStatus#getBundleSymblicName()
	 */
	@Override
	public String getBundleSymblicName() {
		return bundleSymbolicName;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.common.validation.IStatus#getSeverity()
	 */
	@Override
	public Severity getSeverity() {
		return severity;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.common.validation.IStatus#getMessage()
	 */
	@Override
	public String getMessage() {
		return message;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.common.validation.IStatus#getException()
	 */
	@Override
	public Exception getException() {
		return exception;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.common.validation.IStatus#isOK()
	 */
	@Override
	public boolean isOK() {
		return severity == Severity.OK;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.common.validation.IStatus#isInfo()
	 */
	@Override
	public boolean isInfo() {
		return severity == Severity.INFO;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.common.validation.IStatus#isWarning()
	 */
	@Override
	public boolean isWarning() {
		return severity == Severity.WARNING;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.common.validation.IStatus#isError()
	 */
	@Override
	public boolean isError() {
		return severity == Severity.ERROR;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.common.validation.IStatus#isCancel()
	 */
	@Override
	public boolean isCancel() {
		return severity == Severity.CANCEL;
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.common.validation.IStatus#putProperty(java.lang.String, java.lang.Object)
	 */
	@Override
	public void putProperty(String key, Object value) {
		if (properties == null) {
			properties = new HashMap<String, Object>();
		}
		properties.put(key, value);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.common.validation.IStatus#containsProperty(java.lang.String)
	 */
	@Override
	public boolean containsProperty(String key) {
		if (properties == null) {
			return false;
		}
		return properties.containsKey(key);
	}

	/* (non-Javadoc)
	 * @see org.eclipse.osbp.runtime.common.validation.IStatus#getProperty(java.lang.String)
	 */
	@Override
	public Object getProperty(String key) {
		if (properties == null) {
			return null;
		}
		return properties.get(key);
	}

}