/**
 * Copyright (c) 2008-2011 Sonatype, Inc.
 * All rights reserved. Includes the third-party code listed at http://links.sonatype.com/products/nexus/oss/attributions
 *
 * This program is free software: you can redistribute it and/or modify it only under the terms of the GNU Affero General
 * Public License Version 3 as published by the Free Software Foundation.
 *
 * This program is distributed in the hope that it will be useful, but WITHOUT ANY WARRANTY; without even the implied
 * warranty of MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the GNU Affero General Public License Version 3
 * for more details.
 *
 * You should have received a copy of the GNU Affero General Public License Version 3 along with this program.  If not, see
 * http://www.gnu.org/licenses.
 *
 * Sonatype Nexus (TM) Open Source Version is available from Sonatype, Inc. Sonatype and Sonatype Nexus are trademarks of
 * Sonatype, Inc. Apache Maven is a trademark of the Apache Foundation. M2Eclipse is a trademark of the Eclipse Foundation.
 * All other trademarks are the property of their respective owners.
 */
package org.sonatype.security.ldap.dao;

import java.util.ArrayList;
import java.util.HashMap;
import java.util.Iterator;
import java.util.LinkedHashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;

import org.codehaus.plexus.util.StringUtils;

public class LdapAuthConfiguration
{

    /** The Constant DEFAULT_NAME_ATTRIBUTE. */
    public static final String DEFAULT_NAME_ATTRIBUTE = "sn";
    
    /** The Constant DEFAULT_USER_MEMBER_OF. */
    public static final String DEFAULT_USER_MEMBER_OF = "memberOf";

    /** The Constant DEFAULT_EMAIL_ADDRESS_ATTRIBUTE. */
    public static final String DEFAULT_EMAIL_ADDRESS_ATTRIBUTE = "mail";

    /** The Constant DEFAULT_WEBSITE_ATTRIBUTE. */
    public static final String DEFAULT_WEBSITE_ATTRIBUTE = "labeledUri";

    /** The Constant DEFAULT_WEB_URI_LABEL. */
    public static final String DEFAULT_WEB_URI_LABEL = "Web Site";

    /** The Constant DEFAULT_USERNAME_ATTRIBUTE. */
    private static final String DEFAULT_USERNAME_ATTRIBUTE = "uid";
    
    /** The Constant DEFAULT_GROUP_ID_ATTRIBUTE. */
    private static final String DEFAULT_GROUP_ID_ATTRIBUTE = "cn";

    /** The Constant DEFAULT_USER_PASSWORD_ATTRIBUTE. */
    private static final String DEFAULT_USER_PASSWORD_ATTRIBUTE = "userPassword";
    
    /** The Constant DEFAULT_USER_PASSWORD_ENCODING. */
    private static final String DEFAULT_USER_PASSWORD_ENCODING = "crypt";
    
    /** The Constant DEFAULT_USER_OBJECTCLASS. */
    private static final String DEFAULT_USER_OBJECTCLASS = "inetOrgPerson";
    
    /** The Constant DEFAULT_GROUP_OBJECTCLASS. */
    private static final String DEFAULT_GROUP_OBJECTCLASS = "groupOfNames";
    
    // calculated.
    /** The group reverse mappings. */
    private Map<String, Set<String>> groupReverseMappings;

    /** The group mappings. */
    private Map<String, String> groupMappings;
    
    /** The group member format. */
    private String groupMemberFormat;
    
    /** The group object class. */
    private String groupObjectClass = DEFAULT_GROUP_OBJECTCLASS;

    /** The group base dn. */
    private String groupBaseDn;

    /** The group id attribute. */
    private String groupIdAttribute = DEFAULT_GROUP_ID_ATTRIBUTE;

    /** The group member attribute. */
    private String groupMemberAttribute;
    
    /** The user object class. */
    private String userObjectClass = DEFAULT_USER_OBJECTCLASS;

    /** The user base dn. */
    private String userBaseDn;

    /** The user id attribute. */
    private String userIdAttribute = DEFAULT_USERNAME_ATTRIBUTE;

    /** The password attribute. */
    private String passwordAttribute = DEFAULT_USER_PASSWORD_ATTRIBUTE;
    
//    /** The password encoding. */
//    private String passwordEncoding = DEFAULT_USER_PASSWORD_ENCODING;

    /** The user real name attribute. */
    private String userRealNameAttribute = DEFAULT_NAME_ATTRIBUTE;

    /** The user member of attribute. */
    private String userMemberOfAttribute = DEFAULT_USER_MEMBER_OF;
    
    /** The email address attribute. */
    private String emailAddressAttribute = DEFAULT_EMAIL_ADDRESS_ATTRIBUTE;

    /** The website attribute. */
    private String websiteAttribute = DEFAULT_WEBSITE_ATTRIBUTE;

    /** for parsing labeledUri attributes... */
    private String websiteUriLabel = DEFAULT_WEB_URI_LABEL;

    /** If not, don't parse it as a labelUri. */
    private boolean isWebsiteAttributeLabelUri = true;

    private boolean ldapGroupsAsRoles;
    
    private boolean userSubtree;
    
    private boolean groupSubtree;
    
    
    /**
     * Gets the group base dn.
     * 
     * @return the group base dn
     */
    public String getGroupBaseDn()
    {
        return groupBaseDn;
    }

    /**
     * Sets the group base dn.
     * 
     * @param groupBaseDn the new group base dn
     */
    public void setGroupBaseDn( String groupBaseDn )
    {
        this.groupBaseDn = groupBaseDn;
    }

    /**
     * Gets the group id attribute.
     * 
     * @return the group id attribute
     */
    public String getGroupIdAttribute()
    {
        return groupIdAttribute;
    }

    /**
     * Sets the group id attribute.
     * 
     * @param groupIdAttribute the new group id attribute
     */
    public void setGroupIdAttribute( String groupIdAttribute )
    {
        this.groupIdAttribute = groupIdAttribute;
    }

    /**
     * Gets the group mappings.
     * 
     * @return the group mappings
     */
    public Map<String, String> getGroupMappings()
    {
        return groupMappings;
    }

    /**
     * Sets the group mappings.
     * 
     * @param groupMappings the group mappings
     */
    public synchronized void setGroupMappings( Map<String, String> groupMappings )
    {
        this.groupMappings = groupMappings;
        this.groupReverseMappings = null;
    }

    /**
     * Gets the group member attribute.
     * 
     * @return the group member attribute
     */
    public String getGroupMemberAttribute()
    {
        return groupMemberAttribute;
    }

    /**
     * Sets the group member attribute.
     * 
     * @param groupMemberAttribute the new group member attribute
     */
    public void setGroupMemberAttribute( String groupMemberAttribute )
    {
        this.groupMemberAttribute = groupMemberAttribute;
    }

    /**
     * Gets the group reverse mappings.
     * 
     * @return the group reverse mappings
     */
    public synchronized Map<String, Set<String>> getGroupReverseMappings()
    {
        if ( groupReverseMappings == null )
        {
            groupReverseMappings = new HashMap<String, Set<String>>();
            
            if ( groupMappings != null )
            {
                for ( Iterator it = groupMappings.entrySet().iterator(); it.hasNext(); )
                {
                    Map.Entry entry = (Map.Entry) it.next();
                    String logical = (String) entry.getKey();
                    String real = (String) entry.getValue();
                    
                    Set<String> logicalMappings = groupReverseMappings.get( real );
                    if ( logicalMappings == null )
                    {
                        logicalMappings = new LinkedHashSet<String>();
                        groupReverseMappings.put( real, logicalMappings );
                    }
                    
                    logicalMappings.add( logical );
                }
            }
        }
        
        return groupReverseMappings;
    }

    /**
     * Gets the email address attribute.
     * 
     * @return the email address attribute
     */
    public String getEmailAddressAttribute()
    {
        return emailAddressAttribute;
    }

    /**
     * Sets the email address attribute.
     * 
     * @param emailAddressAttribute the new email address attribute
     */
    public void setEmailAddressAttribute( String emailAddressAttribute )
    {
        this.emailAddressAttribute = emailAddressAttribute;
    }

    /**
     * Gets the user real name attribute.
     * 
     * @return the user real name attribute
     */
    public String getUserRealNameAttribute()
    {
        return userRealNameAttribute;
    }

    /**
     * Sets the user real name attribute.
     * 
     * @param nameAttribute the new user real name attribute
     */
    public void setUserRealNameAttribute( String nameAttribute )
    {
        this.userRealNameAttribute = nameAttribute;
    }

    /**
     * Gets the password attribute.
     * 
     * @return the password attribute
     */
    public String getPasswordAttribute()
    {
        return passwordAttribute;
    }

    /**
     * Sets the password attribute.
     * 
     * @param passwordAttribute the new password attribute
     */
    public void setPasswordAttribute( String passwordAttribute )
    {
        this.passwordAttribute = passwordAttribute;
    }

    /**
     * Gets the user base dn.
     * 
     * @return the user base dn
     */
    public String getUserBaseDn()
    {
        return userBaseDn;
    }

    /**
     * Sets the user base dn.
     * 
     * @param userBaseDn the new user base dn
     */
    public void setUserBaseDn( String userBaseDn )
    {
        this.userBaseDn = userBaseDn;
    }

    /**
     * Gets the user id attribute.
     * 
     * @return the user id attribute
     */
    public String getUserIdAttribute()
    {
        return userIdAttribute;
    }

    /**
     * Sets the user id attribute.
     * 
     * @param userIdAttribute the new user id attribute
     */
    public void setUserIdAttribute( String userIdAttribute )
    {
        this.userIdAttribute = userIdAttribute;
    }

    /**
     * Gets the website attribute.
     * 
     * @return the website attribute
     */
    public String getWebsiteAttribute()
    {
        return websiteAttribute;
    }

    /**
     * Sets the website attribute.
     * 
     * @param websiteAttribute the new website attribute
     */
    public void setWebsiteAttribute( String websiteAttribute )
    {
        this.websiteAttribute = websiteAttribute;
    }

    /**
     * Checks if is website attribute label uri.
     * 
     * @return true, if is website attribute label uri
     */
    public boolean isWebsiteAttributeLabelUri()
    {
        return isWebsiteAttributeLabelUri;
    }

    /**
     * Sets the website attribute label uri.
     * 
     * @param websiteIsLabelUri the new website attribute label uri
     */
    public void setWebsiteAttributeLabelUri( boolean websiteIsLabelUri )
    {
        this.isWebsiteAttributeLabelUri = websiteIsLabelUri;
    }

    /**
     * Gets the website uri label.
     * 
     * @return the website uri label
     */
    public String getWebsiteUriLabel()
    {
        return websiteUriLabel;
    }

    /**
     * Sets the website uri label.
     * 
     * @param websiteUriLabel the new website uri label
     */
    public void setWebsiteUriLabel( String websiteUriLabel )
    {
        this.websiteUriLabel = websiteUriLabel;
    }

    /**
     * Gets the user attributes.
     * 
     * @return the user attributes
     */
    public synchronized String[] getUserAttributes()
    {
        List<String> result = new ArrayList<String>();
        String[] allAttributes =
            new String[]{ userIdAttribute, passwordAttribute, userRealNameAttribute, emailAddressAttribute,
                websiteAttribute, userMemberOfAttribute };
        for ( String attribute : allAttributes )
        {
            if ( StringUtils.isNotBlank( attribute ) )
            {
                result.add( attribute );
            }
        }

        return result.toArray( new String[result.size()] );
    }

    /**
     * Gets the group member format.
     * 
     * @return the group member format
     */
    public String getGroupMemberFormat()
    {
        return groupMemberFormat;
    }

    /**
     * Sets the group member format.
     * 
     * @param groupMemberFormat the new group member format
     */
    public void setGroupMemberFormat( String groupMemberFormat )
    {
        this.groupMemberFormat = groupMemberFormat;
    }

    /**
     * Gets the group object class.
     * 
     * @return the group object class
     */
    public String getGroupObjectClass()
    {
        return groupObjectClass;
    }

    /**
     * Sets the group object class.
     * 
     * @param groupObjectClass the new group object class
     */
    public void setGroupObjectClass( String groupObjectClass )
    {
        this.groupObjectClass = groupObjectClass;
    }

    /**
     * Gets the user object class.
     * 
     * @return the user object class
     */
    public String getUserObjectClass()
    {
        return userObjectClass;
    }

    /**
     * Sets the user object class.
     * 
     * @param userObjectClass the new user object class
     */
    public void setUserObjectClass( String userObjectClass )
    {
        this.userObjectClass = userObjectClass;
    }
    

//    /**
//     * @return the passwordEncoding
//     */
//    public String getPasswordEncoding()
//    {
//        return passwordEncoding;
//    }
//
//    /**
//     * @param passwordEncoding the passwordEncoding to set
//     */
//    public void setPasswordEncoding( String passwordEncoding )
//    {
//        this.passwordEncoding = passwordEncoding;
//    }

    
    
    /**
     * @return the ldapGroupsAsRoles
     */
    public boolean isLdapGroupsAsRoles()
    {
        return ldapGroupsAsRoles;
    }

    /**
     * @param ldapGroupsAsRoles the ldapGroupsAsRoles to set
     */
    public void setLdapGroupsAsRoles( boolean ldapGroupsAsRoles )
    {
        this.ldapGroupsAsRoles = ldapGroupsAsRoles;
    }
    
    /**
     * @return the userSubtree
     */
    public boolean isUserSubtree()
    {
        return userSubtree;
    }

    /**
     * @param userSubtree the userSubtree to set
     */
    public void setUserSubtree( boolean userSubtree )
    {
        this.userSubtree = userSubtree;
    }

    /**
     * @return the groupSubtree
     */
    public boolean isGroupSubtree()
    {
        return groupSubtree;
    }

    /**
     * @param groupSubtree the groupSubtree to set
     */
    public void setGroupSubtree( boolean groupSubtree )
    {
        this.groupSubtree = groupSubtree;
    }

    public String getUserMemberOfAttribute()
    {
        return userMemberOfAttribute;
    }

    public void setUserMemberOfAttribute( String userMemberOfAttribute )
    {
        this.userMemberOfAttribute = userMemberOfAttribute;
    }

    @Override
    public int hashCode()
    {
        final int prime = 31;
        int result = 1;
        result = prime * result + ( ( emailAddressAttribute == null ) ? 0 : emailAddressAttribute.hashCode() );
        result = prime * result + ( ( groupBaseDn == null ) ? 0 : groupBaseDn.hashCode() );
        result = prime * result + ( ( groupIdAttribute == null ) ? 0 : groupIdAttribute.hashCode() );
        result = prime * result + ( ( groupMappings == null ) ? 0 : groupMappings.hashCode() );
        result = prime * result + ( ( groupMemberAttribute == null ) ? 0 : groupMemberAttribute.hashCode() );
        result = prime * result + ( ( groupMemberFormat == null ) ? 0 : groupMemberFormat.hashCode() );
        result = prime * result + ( ( groupObjectClass == null ) ? 0 : groupObjectClass.hashCode() );
        result = prime * result + ( ( groupReverseMappings == null ) ? 0 : groupReverseMappings.hashCode() );
        result = prime * result + ( groupSubtree ? 1231 : 1237 );
        result = prime * result + ( isWebsiteAttributeLabelUri ? 1231 : 1237 );
        result = prime * result + ( ldapGroupsAsRoles ? 1231 : 1237 );
        result = prime * result + ( ( passwordAttribute == null ) ? 0 : passwordAttribute.hashCode() );
        result = prime * result + ( ( userBaseDn == null ) ? 0 : userBaseDn.hashCode() );
        result = prime * result + ( ( userIdAttribute == null ) ? 0 : userIdAttribute.hashCode() );
        result = prime * result + ( ( userMemberOfAttribute == null ) ? 0 : userMemberOfAttribute.hashCode() );
        result = prime * result + ( ( userObjectClass == null ) ? 0 : userObjectClass.hashCode() );
        result = prime * result + ( ( userRealNameAttribute == null ) ? 0 : userRealNameAttribute.hashCode() );
        result = prime * result + ( userSubtree ? 1231 : 1237 );
        result = prime * result + ( ( websiteAttribute == null ) ? 0 : websiteAttribute.hashCode() );
        result = prime * result + ( ( websiteUriLabel == null ) ? 0 : websiteUriLabel.hashCode() );
        return result;
    }

    @Override
    public boolean equals( Object obj )
    {
        if ( this == obj )
            return true;
        if ( obj == null )
            return false;
        if ( getClass() != obj.getClass() )
            return false;
        final LdapAuthConfiguration other = (LdapAuthConfiguration) obj;
        if ( emailAddressAttribute == null )
        {
            if ( other.emailAddressAttribute != null )
                return false;
        }
        else if ( !emailAddressAttribute.equals( other.emailAddressAttribute ) )
            return false;
        if ( groupBaseDn == null )
        {
            if ( other.groupBaseDn != null )
                return false;
        }
        else if ( !groupBaseDn.equals( other.groupBaseDn ) )
            return false;
        if ( groupIdAttribute == null )
        {
            if ( other.groupIdAttribute != null )
                return false;
        }
        else if ( !groupIdAttribute.equals( other.groupIdAttribute ) )
            return false;
        if ( groupMappings == null )
        {
            if ( other.groupMappings != null )
                return false;
        }
        else if ( !groupMappings.equals( other.groupMappings ) )
            return false;
        if ( groupMemberAttribute == null )
        {
            if ( other.groupMemberAttribute != null )
                return false;
        }
        else if ( !groupMemberAttribute.equals( other.groupMemberAttribute ) )
            return false;
        if ( groupMemberFormat == null )
        {
            if ( other.groupMemberFormat != null )
                return false;
        }
        else if ( !groupMemberFormat.equals( other.groupMemberFormat ) )
            return false;
        if ( groupObjectClass == null )
        {
            if ( other.groupObjectClass != null )
                return false;
        }
        else if ( !groupObjectClass.equals( other.groupObjectClass ) )
            return false;
        if ( groupReverseMappings == null )
        {
            if ( other.groupReverseMappings != null )
                return false;
        }
        else if ( !groupReverseMappings.equals( other.groupReverseMappings ) )
            return false;
        if ( groupSubtree != other.groupSubtree )
            return false;
        if ( isWebsiteAttributeLabelUri != other.isWebsiteAttributeLabelUri )
            return false;
        if ( ldapGroupsAsRoles != other.ldapGroupsAsRoles )
            return false;
        if ( passwordAttribute == null )
        {
            if ( other.passwordAttribute != null )
                return false;
        }
        else if ( !passwordAttribute.equals( other.passwordAttribute ) )
            return false;
        if ( userBaseDn == null )
        {
            if ( other.userBaseDn != null )
                return false;
        }
        else if ( !userBaseDn.equals( other.userBaseDn ) )
            return false;
        if ( userIdAttribute == null )
        {
            if ( other.userIdAttribute != null )
                return false;
        }
        else if ( !userIdAttribute.equals( other.userIdAttribute ) )
            return false;
        if ( userMemberOfAttribute == null )
        {
            if ( other.userMemberOfAttribute != null )
                return false;
        }
        else if ( !userMemberOfAttribute.equals( other.userMemberOfAttribute ) )
            return false;
        if ( userObjectClass == null )
        {
            if ( other.userObjectClass != null )
                return false;
        }
        else if ( !userObjectClass.equals( other.userObjectClass ) )
            return false;
        if ( userRealNameAttribute == null )
        {
            if ( other.userRealNameAttribute != null )
                return false;
        }
        else if ( !userRealNameAttribute.equals( other.userRealNameAttribute ) )
            return false;
        if ( userSubtree != other.userSubtree )
            return false;
        if ( websiteAttribute == null )
        {
            if ( other.websiteAttribute != null )
                return false;
        }
        else if ( !websiteAttribute.equals( other.websiteAttribute ) )
            return false;
        if ( websiteUriLabel == null )
        {
            if ( other.websiteUriLabel != null )
                return false;
        }
        else if ( !websiteUriLabel.equals( other.websiteUriLabel ) )
            return false;
        return true;
    }

  

   
    
}