package net.curisit.securis.security;

import java.security.Principal;
import java.util.Map;
import java.util.Set;

import javax.ws.rs.core.SecurityContext;

import net.curisit.integrity.commons.Utils;
import net.curisit.securis.db.User;

public class BasicSecurityContext implements SecurityContext {

	final public static String ROL_ADVANCE = "advance";
	final public static String ROL_ADMIN = "admin";
	final public static String ROL_BASIC = "basic";

	final static Map<String, Integer> ROLES = Utils.<String, Integer> createMap(ROL_BASIC, User.Rol.BASIC, ROL_ADVANCE, User.Rol.ADVANCE, ROL_ADMIN, User.Rol.ADMIN);

	Principal user = null;
	int roles = 0;
	boolean secure = false;
	Set<Integer> organizationsIds = null;
	Set<Integer> applicationsIds = null;
	double ran = 0;

	public BasicSecurityContext(String username, int roles, boolean secure) {
		user = new UserPrincipal(username);
		this.roles = roles;
		this.secure = secure;
		ran = Math.random();
	}

	@Override
	public Principal getUserPrincipal() {
		return user;
	}

	@Override
	public boolean isUserInRole(String role) {
		Integer introle = ROLES.get(role);
		return introle != null && (introle & roles) != 0;
	}

	@Override
	public boolean isSecure() {
		return secure;
	}

	@Override
	public String getAuthenticationScheme() {
		return null;
	}

	@Override
	public String toString() {

		return String.format("SecurityContextWrapper(%f) %s", ran, user);
	}

	public void setOrganizationsIds(Set<Integer> orgs) {
		this.organizationsIds = orgs;
	}

	public Set<Integer> getOrganizationsIds() {
		return this.organizationsIds;
	}

	public Set<Integer> getApplicationsIds() {
		return applicationsIds;
	}

	public void setApplicationsIds(Set<Integer> applicationsIds) {
		this.applicationsIds = applicationsIds;
	}

	private class UserPrincipal implements Principal {

		final String name;

		public UserPrincipal(String name) {
			this.name = name;
		}

		@Override
		public String getName() {
			return this.name;
		}

		@Override
		public String toString() {
			return String.format("[%s]", name);
		}

	}

	public boolean isOrgAccesible(Integer orgid) {
		if (organizationsIds == null || orgid == null) {
			return false;
		}
		return organizationsIds.contains(orgid);
	}

	public boolean isAppAccesible(Integer appid) {
		if (applicationsIds == null || appid == null) {
			return false;
		}
		return applicationsIds.contains(appid);
	}

}