/*
 * Copyright (c) 2008-2018, Harald Walker (bitwalker.eu) and contributing developers  
 * All rights reserved.
 * 
 * Redistribution and use in source and binary forms, with or
 * without modification, are permitted provided that the
 * following conditions are met:
 * 
 * * Redistributions of source code must retain the above
 * copyright notice, this list of conditions and the following
 * disclaimer.
 * 
 * * Redistributions in binary form must reproduce the above
 * copyright notice, this list of conditions and the following
 * disclaimer in the documentation and/or other materials
 * provided with the distribution.
 * 
 * * Neither the name of bitwalker nor the names of its
 * contributors may be used to endorse or promote products
 * derived from this software without specific prior written
 * permission.
 * 
 * THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND
 * CONTRIBUTORS "AS IS" AND ANY EXPRESS OR IMPLIED WARRANTIES,
 * INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES OF
 * MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE
 * DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT OWNER OR
 * CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN
 * CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS
 * SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
 */

package eu.bitwalker.useragentutils;

/**
 * Enum constants for internet applications like web-application and rich
 * internet application.
 * 
 * @author harald
 * 
 */

public enum Application {

	HOTMAIL(Manufacturer.MICROSOFT, 1, "Windows Live Hotmail", 
			new String[] { "mail.live.com", "hotmail.msn" }, ApplicationType.WEBMAIL), 
	GMAIL( Manufacturer.GOOGLE, 5, "Gmail",
			new String[] { "mail.google.com" }, ApplicationType.WEBMAIL), 
	YAHOO_MAIL( Manufacturer.YAHOO, 10, "Yahoo Mail",
			new String[] { "mail.yahoo.com" }, ApplicationType.WEBMAIL), 
	COMPUSERVE( Manufacturer.COMPUSERVE, 20, "Compuserve",
			new String[] { "csmail.compuserve.com" }, ApplicationType.WEBMAIL), 
	AOL_WEBMAIL( Manufacturer.AOL, 30, "AOL webmail",
			new String[] { "webmail.aol.com" }, ApplicationType.WEBMAIL), 
	/**
	* MobileMe webmail client by Apple. Previously known as .mac.
	*/
	MOBILEME( Manufacturer.APPLE, 40, "MobileMe",
			new String[] { "www.me.com" }, ApplicationType.WEBMAIL),			
	/**
	* Mail.com
	* Mail.com provides consumers with web-based e-mail services
	*/
	MAIL_COM( Manufacturer.MMC, 50, "Mail.com", 
			new String[] { ".mail.com" }, ApplicationType.WEBMAIL), 
	/**
	 * Popular open source webmail client. Often installed by providers or privately.
	 */
	HORDE(	Manufacturer.OTHER, 50, "horde", 
			new String[] { "horde" }, ApplicationType.WEBMAIL), 
	OTHER_WEBMAIL(Manufacturer.OTHER, 60, "Other webmail client", 
			new String[] { "webmail", "webemail" }, ApplicationType.WEBMAIL), 
	UNKNOWN(Manufacturer.OTHER, 0, "Unknown", 
			new String[0], ApplicationType.UNKNOWN);

	private final short id;
	private final String name;
	private final String[] aliases;
	private final ApplicationType applicationType;
	private final Manufacturer manufacturer;

    private Application(Manufacturer manufacturer, int versionId, String name,
        String[] aliases, ApplicationType applicationType) {
        this.id = (short) ((manufacturer.getId() << 8) + (byte) versionId);
        this.name = name;
        this.aliases = Utils.toLowerCase(aliases);
        this.applicationType = applicationType;
        this.manufacturer = manufacturer;
    }

	public short getId() {
		return id;
	}

	public String getName() {
		return name;
	}

	/**
	 * @return the applicationType
	 */
	public ApplicationType getApplicationType() {
		return applicationType;
	}

	/**
	 * @return the manufacturer
	 */
	public Manufacturer getManufacturer() {
		return manufacturer;
	}

    /*
     * Checks if the given referrer string matches to the application. Only
     * checks for one specific application.
     */
    public boolean isInReferrerString(String referrerString) {
        final String referrerStringLowercase = referrerString.toLowerCase();
        return isInReferrerStringLowercase(referrerStringLowercase);
    }

    private boolean isInReferrerStringLowercase(final String referrerStringLowercase) {
        return Utils.contains(referrerStringLowercase, aliases);
    }

    /*
     * Iterates over all Application to compare the signature with the referrer
     * string. If no match can be found Application.UNKNOWN will be returned.
     */
    public static Application parseReferrerString(String referrerString) {
        // skip the empty and "-" referrer
        if (referrerString != null && referrerString.length() > 1) {
            String referrerStringLowercase = referrerString.toLowerCase();
            for (Application applicationInList : Application.values()) {
                if (applicationInList.isInReferrerStringLowercase(referrerStringLowercase))
                    return applicationInList;
            }
        }
        return Application.UNKNOWN;
    }

	/**
	 * Returns the enum constant of this type with the specified id. Throws
	 * IllegalArgumentException if the value does not exist.
	 * 
	 * @param id Id of the application
	 * @return Application enum
	 */
	public static Application valueOf(short id) {
		for (Application application : Application.values()) {
			if (application.getId() == id)
				return application;
		}

		// same behavior as standard valueOf(string) method
		throw new IllegalArgumentException("No enum const for id " + id);
	}

}
