/**
 * The contents of this file are subject to the OpenMRS Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 * http://license.openmrs.org
 *
 * Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 *
 * Copyright (C) OpenMRS, LLC.  All Rights Reserved.
 */
package org.openmrs.notification.web.controller;

import java.text.NumberFormat;
import java.util.HashMap;
import java.util.List;
import java.util.Locale;
import java.util.Map;
import java.util.Vector;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.Role;
import org.openmrs.User;
import org.openmrs.api.APIAuthenticationException;
import org.openmrs.api.UserService;
import org.openmrs.api.context.Context;
import org.openmrs.notification.Alert;
import org.openmrs.notification.AlertRecipient;
import org.openmrs.util.PrivilegeConstants;
import org.openmrs.validator.AlertValidator;
import org.openmrs.validator.RelationshipTypeValidator;
import org.openmrs.web.WebConstants;
import org.springframework.beans.propertyeditors.CustomDateEditor;
import org.springframework.beans.propertyeditors.CustomNumberEditor;
import org.springframework.validation.BindException;
import org.springframework.validation.Errors;
import org.springframework.web.bind.ServletRequestDataBinder;
import org.springframework.web.servlet.ModelAndView;
import org.springframework.web.servlet.mvc.SimpleFormController;
import org.springframework.web.servlet.view.RedirectView;

public class AlertFormController extends SimpleFormController {

	/** Logger for this class and subclasses */
	protected final Log log = LogFactory.getLog(getClass());

	/**
	 * Allows for Integers to be used as values in input tags. Normally, only strings and lists are
	 * expected
	 *
	 * @see org.springframework.web.servlet.mvc.BaseCommandController#initBinder(javax.servlet.http.HttpServletRequest,
	 *      org.springframework.web.bind.ServletRequestDataBinder)
	 */
	protected void initBinder(HttpServletRequest request, ServletRequestDataBinder binder) throws Exception {
		super.initBinder(request, binder);

		Locale locale = Context.getLocale();
		NumberFormat nf = NumberFormat.getInstance(locale);

		// NumberFormat nf = NumberFormat.getInstance(new Locale("en_US"));
		binder.registerCustomEditor(java.lang.Integer.class, new CustomNumberEditor(java.lang.Integer.class, nf, true));
		binder.registerCustomEditor(java.util.Date.class, new CustomDateEditor(Context.getDateFormat(), true, 10));

	}

	/**
	 * @see org.springframework.web.servlet.mvc.SimpleFormController#processFormSubmission(javax.servlet.http.HttpServletRequest,
	 *      javax.servlet.http.HttpServletResponse, java.lang.Object,
	 *      org.springframework.validation.BindException)
	 */
	protected ModelAndView processFormSubmission(HttpServletRequest request, HttpServletResponse reponse, Object obj,
	        BindException errors) throws Exception {

		Alert alert = (Alert) obj;
		new AlertValidator().validate(obj, errors);

		return super.processFormSubmission(request, reponse, alert, errors);
	}

	/**
	 * The onSubmit function receives the form/command object that was modified by the input form
	 * and saves it to the db
	 *
	 * @see org.springframework.web.servlet.mvc.SimpleFormController#onSubmit(javax.servlet.http.HttpServletRequest,
	 *      javax.servlet.http.HttpServletResponse, java.lang.Object,
	 *      org.springframework.validation.BindException)
	 */
	protected ModelAndView onSubmit(HttpServletRequest request, HttpServletResponse response, Object obj,
	        BindException errors) throws Exception {

		HttpSession httpSession = request.getSession();

		String view = getFormView();

		if (Context.isAuthenticated()) {
			Context.getAlertService().saveAlert((Alert) obj);
			view = getSuccessView();
			httpSession.setAttribute(WebConstants.OPENMRS_MSG_ATTR, "Alert.saved");
		}

		return new ModelAndView(new RedirectView(view));
	}

	/**
	 * This is called prior to displaying a form for the first time. It tells Spring the
	 * form/command object to load into the request
	 *
	 * @see org.springframework.web.servlet.mvc.AbstractFormController#formBackingObject(javax.servlet.http.HttpServletRequest)
	 */
	protected Object formBackingObject(HttpServletRequest request) throws Exception {

		Alert alert = null;

		if (Context.isAuthenticated()) {
			String a = request.getParameter("alertId");
			if (a != null)
				alert = Context.getAlertService().getAlert(Integer.valueOf(a));
		}

		if (alert == null)
			alert = new Alert();

		return alert;
	}

	/**
	 * @see org.springframework.web.servlet.mvc.SimpleFormController#referenceData(javax.servlet.http.HttpServletRequest,
	 *      java.lang.Object, org.springframework.validation.Errors)
	 */
	protected Map<String, Object> referenceData(HttpServletRequest request, Object object, Errors errors) throws Exception {
		Map<String, Object> map = new HashMap<String, Object>();

		if (Context.isAuthenticated()) {
			map.put("allRoles", Context.getUserService().getAllRoles());
		}

		return map;
	}

}




/**
 * The contents of this file are subject to the OpenMRS Public License
 * Version 1.0 (the "License"); you may not use this file except in
 * compliance with the License. You may obtain a copy of the License at
 *
* Software distributed under the License is distributed on an "AS IS"
 * basis, WITHOUT WARRANTY OF ANY KIND, either express or implied. See the
 * License for the specific language governing rights and limitations
 * under the License.
 *
 * Copyright (C) OpenMRS, LLC.  All Rights Reserved.
 */
package org.openmrs.validator;

import org.apache.commons.logging.Log;
import org.apache.commons.logging.LogFactory;
import org.openmrs.notification.Alert;
import org.openmrs.annotation.Handler;
import org.springframework.validation.Errors;
import org.springframework.validation.ValidationUtils;
import org.springframework.validation.Validator;

/**
 * Validates attributes on the {@link Alert} object.
 *
 * @since 1.10
 */
@Handler(supports = { Alert.class }, order = 50)
public class AlertValidator implements Validator {
	/** Log for this class and subclasses */
	protected final Log log = LogFactory.getLog(getClass());

	/**
	 * Determines if the command object being submitted is a valid type
	 *
	 * @see org.springframework.validation.Validator#supports(java.lang.Class)
	 */
	@SuppressWarnings("unchecked")
	public boolean supports(Class c) {
		return c.equals(Alert.class);
	}
	/**
	 * @see org.springframework.validation.Validator#validate(java.lang.Object, org.springframework.validation.Errors)
	 *
	 */
	public void validate(Object obj, Errors errors) {
		Alert alert = (Alert) obj;
		if (alert == null) {
			errors.rejectValue("alert", "error.general");
		}
		else {
			ValidationUtils.rejectIfEmptyOrWhitespace(errors, "text", "Alert.text.required");
		}
	}

}