package org.exoplatform.services.organization.idm;

/*
 * JBoss, a division of Red Hat
 * Copyright 2010, Red Hat Middleware, LLC, and individual contributors as indicated
 * by the @authors tag. See the copyright.txt in the distribution for a
 * full listing of individual contributors.
 *
 * This is free software; you can redistribute it and/or modify it
 * under the terms of the GNU Lesser General Public License as
 * published by the Free Software Foundation; either version 2.1 of
 * the License, or (at your option) any later version.
 *
 * This software 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
 * Lesser General Public License for more details.
 *
 * You should have received a copy of the GNU Lesser General Public
 * License along with this software; if not, write to the Free
 * Software Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA
 * 02110-1301 USA, or see the FSF site: http://www.fsf.org.
 */
import java.util.ArrayList;
import java.util.HashMap;
import java.util.HashSet;
import java.util.List;
import java.util.Map;
import java.util.Set;


/*
 * @author <a href="mailto:boleslaw.dawidowicz at redhat.com">Boleslaw Dawidowicz</a>
 */
public class Config {

    private Map<String, String> groupTypeMappings = new HashMap<String, String>();

    private boolean useParentIdAsGroupType = false;

    private boolean passwordAsAttribute = false;

    private String defaultGroupType = "GTN_GROUP_TYPE";

    private String rootGroupName = "GTN_ROOT_GROUP";

    private String pathSeparator = ".";

    private String slashReplacement = "@_@_@";

    private boolean forceMembershipOfMappedTypes = false;

    private String associationMembershipType;

    private List<String> ignoreMappedMembershipTypeGroupList = new ArrayList<String>();

    private boolean useJTA = false;

    private boolean sortGroups = true;

    private boolean sortMemberships = true;

    private boolean countPaginatedUsers = true;

    private boolean skipPaginationInMembershipQuery = false;

    public Config() {
    }

    public String getGroupType(String parentId) {

        if (parentId == null || parentId.length() == 0) {
            parentId = "/";
        }

        if (!useParentIdAsGroupType) {
            String type = _getGroupType(parentId, true, true, true);
            if (type != null) {
                return type;
            }
            return getDefaultGroupType();
        }

        // Search for exact match in mappings
        String type = _getGroupType(parentId, false, true, true);

        // If not then check for inherited type
        if (type == null) {
            type = _getGroupType(parentId, true, false, true);
        }

        // If not then prepare type from this id
        if (type == null) {
            type = convertType(parentId);
        }

        return type;

    }

    private String _getGroupType(String parentId, boolean checkParents, boolean matchExact, boolean matchInherited) {

        if (matchExact && getGroupTypeMappings().keySet().contains(parentId)) {
            return getGroupTypeMappings().get(parentId);
        }

        String id = !parentId.equals("/") ? parentId + "/*" : "/*";

        if (matchInherited && getGroupTypeMappings().keySet().contains(id)) {
            return getGroupTypeMappings().get(id);
        }

        if (checkParents && !parentId.equals("/") && parentId.contains("/")) {
            // Check if any mapping that contains '/*' match this id
            for (String key : groupTypeMappings.keySet()) {
                id = key;
                if (id.endsWith("/*")) {
                    id = id.substring(0, id.length() - 2);
                } else {
                    continue;
                }

                if (parentId.startsWith(id)) {
                    return groupTypeMappings.get(key);
                }
            }
        }

        return null;
    }

    public String getParentId(String type) {
        for (Map.Entry<String, String> entry : groupTypeMappings.entrySet()) {
            if (entry.getValue().equals(type)) {
                return entry.getKey();
            }
        }

        return null;
    }

    public boolean isIgnoreMappedMembershipTypeForGroup(String groupId) {
        if ("/".equals(groupId)) {
            return false;
        }

        String parentId = groupId.substring(0, groupId.lastIndexOf("/"));

        for (String id : ignoreMappedMembershipTypeGroupList) {
            // Check if any mapping that contains '/*' match this id
            if (id.endsWith("/*")) {
                id = id.substring(0, id.length() - 2);
                // Check exact equality case
            } else if (id.equals(groupId)) {
                return true;
            } else {
                continue;
            }

            if (parentId.startsWith(id)) {
                return true;
            }
        }

        return false;
    }

    public String getPLIDMGroupName(String gtnGroupName) {
        return gtnGroupName.replaceAll(getSlashReplacement(), "/");
    }

    public String getGtnGroupName(String plidmGroupName) {
        return plidmGroupName.replaceAll("/", getSlashReplacement());
    }

    Set<String> getTypes(String id) {
        HashSet<String> types = new HashSet<String>();

        for (String key : groupTypeMappings.keySet()) {
            if (key.equals(id) || key.equals(id + "/*")) {
                types.add(groupTypeMappings.get(key));
            }
        }

        return types;
    }

    Set<String> getAllTypes() {
        HashSet<String> types = new HashSet<String>(groupTypeMappings.values());

        return types;

    }

    private String convertType(String type) {

        return type.replaceAll("/", pathSeparator);
    }

    public boolean isUseParentIdAsGroupType() {
        return useParentIdAsGroupType;
    }

    public void setUseParentIdAsGroupType(boolean useParentIdAsGroupType) {
        this.useParentIdAsGroupType = useParentIdAsGroupType;
    }

    public String getDefaultGroupType() {
        return defaultGroupType;
    }

    public void setDefaultGroupType(String defaultGroupType) {
        this.defaultGroupType = defaultGroupType;
    }

    public String getRootGroupName() {
        return rootGroupName;
    }

    public void setRootGroupName(String rootGroupName) {
        this.rootGroupName = rootGroupName;
    }

    public void setGroupTypeMappings(Map<String, String> groupTypeMappings) {
        this.groupTypeMappings = groupTypeMappings;
    }

    public Map<String, String> getGroupTypeMappings() {
        return groupTypeMappings;
    }

    public boolean isPasswordAsAttribute() {
        return passwordAsAttribute;
    }

    public void setPasswordAsAttribute(boolean passwordAsAttribute) {
        this.passwordAsAttribute = passwordAsAttribute;
    }

    public String getPathSeparator() {
        return pathSeparator;
    }

    public void setPathSeparator(String pathSeparator) {
        this.pathSeparator = pathSeparator;
    }

    public boolean isForceMembershipOfMappedTypes() {
        return forceMembershipOfMappedTypes;
    }

    public void setForceMembershipOfMappedTypes(boolean forceMembershipOfMappedTypes) {
        this.forceMembershipOfMappedTypes = forceMembershipOfMappedTypes;
    }

    public String getAssociationMembershipType() {
        return associationMembershipType;
    }

    public void setAssociationMembershipType(String associationMembershipType) {
        this.associationMembershipType = associationMembershipType;
    }

    public List<String> getIgnoreMappedMembershipTypeGroupList() {
        return ignoreMappedMembershipTypeGroupList;
    }

    public void setIgnoreMappedMembershipTypeGroupList(List<String> ignoreMappedMembershipTypeGroupList) {
        this.ignoreMappedMembershipTypeGroupList = ignoreMappedMembershipTypeGroupList;
    }

    public boolean isUseJTA() {
        return useJTA;
    }

    public void setUseJTA(boolean useJTA) {
        this.useJTA = useJTA;
    }

    public String getSlashReplacement() {
        return slashReplacement;
    }

    public void setSlashReplacement(String slashReplacement) {
        this.slashReplacement = slashReplacement;
    }

    public boolean isSortGroups() {
        return sortGroups;
    }

    public void setSortGroups(boolean sortGroups) {
        this.sortGroups = sortGroups;
    }

    public boolean isSortMemberships() {
        return sortMemberships;
    }

    public void setSortMemberships(boolean sortMemberships) {
        this.sortMemberships = sortMemberships;
    }

    public boolean isCountPaginatedUsers() {
        return countPaginatedUsers;
    }

    public void setCountPaginatedUsers(boolean countPaginatedUsers) {
        this.countPaginatedUsers = countPaginatedUsers;
    }

    public boolean isSkipPaginationInMembershipQuery() {
        return skipPaginationInMembershipQuery;
    }

    public void setSkipPaginationInMembershipQuery(boolean skipPaginationInMembershipQuery) {
        this.skipPaginationInMembershipQuery = skipPaginationInMembershipQuery;
    }
}
