package compbio.spring.security;

import java.util.Collection;
import java.util.HashSet;
import java.util.Set;

import javax.annotation.Resource;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.springframework.security.core.GrantedAuthority;
import org.springframework.security.core.authority.SimpleGrantedAuthority;
import org.springframework.security.core.authority.mapping.GrantedAuthoritiesMapper;
import org.springframework.security.ldap.authentication.LdapAuthenticationProvider;

/**
 * Maps groups defined in LDAP to roles for a specific user.
 */
@Resource
public class LDAPAuthorityMapper implements GrantedAuthoritiesMapper {

	private static final Log logger = LogFactory.getLog(LDAPAuthorityMapper.class);

	public LDAPAuthorityMapper() {
	}
/*
	public Collection<? extends GrantedAuthority> mapAuthorities(final Collection<? extends GrantedAuthority> authorities) {

		Set<PCacheLDAPAuthority> roles = EnumSet.noneOf(PCacheLDAPAuthority.class);
		roles.add(PCacheLDAPAuthority.ROLE_LDAP_USER);
		logger.info("LDAPAuthorityMapper: set new role ROLE_LDAP_USER");
		*
		 * for (GrantedAuthority authority : authorities) { if
		 * (ROLE_CUSTOMER_SERVICE_OFFICER.equals(authority.getAuthority())) {
		 * roles.add(PCacheLDAPAuthority.ROLE_USER); } else if
		 * (ROLE_ADMIN.equals(authority.getAuthority())) {
		 * roles.add(PCacheLDAPAuthority.ROLE_ADMIN); } }
		 *
		return roles;
	}*/
	
	
	public Collection<? extends GrantedAuthority> mapAuthorities(final Collection<? extends GrantedAuthority> authorities) {
		SimpleGrantedAuthority sa = new SimpleGrantedAuthority("ROLE_LDAP_USER");
		Set<GrantedAuthority> roles = new HashSet<GrantedAuthority>();
		roles.add(sa);
		logger.info("LDAPAuthorityMapper: set new role ROLE_LDAP_USER");

		return roles;
	}
}