/**
 * Copyright © 2010-2011 Nokia
 *
 * Licensed under the Apache License, Version 2.0 (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 *
 *      http://www.apache.org/licenses/LICENSE-2.0
 *
 * Unless required by applicable law or agreed to in writing, software
 * distributed under the License is distributed on an "AS IS" BASIS,
 * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
 * See the License for the specific language governing permissions and
 * limitations under the License.
 */
package com.github.restdriver.serverdriver.acceptance;

import static com.github.restdriver.serverdriver.Matchers.*;
import static com.github.restdriver.serverdriver.RestServerDriver.*;
import static org.hamcrest.MatcherAssert.*;
import static org.hamcrest.Matchers.*;

import org.joda.time.DateTime;
import org.joda.time.DateTimeConstants;
import org.junit.Rule;
import org.junit.Test;

import com.github.restdriver.clientdriver.ClientDriverRequest;
import com.github.restdriver.clientdriver.ClientDriverResponse;
import com.github.restdriver.clientdriver.ClientDriverRule;
import com.github.restdriver.serverdriver.http.response.Response;

public class Rfc1123DatesInHeadersAcceptanceTest {
    
    private final String compliantDate = "Mon, 09 May 2011 18:49:18 GMT";
    private final String unCompliantDate = "Junk, 09 May 2011 18:49:18 GMT";
    private final String compliantButInvalidDate = "Mon, 12 May 2011 18:49:18 GMT"; // was not a Monday
    
    @Rule
    public ClientDriverRule driver = new ClientDriverRule();
    
    @Test
    public void assertOnValidDateHeader() {
        
        driver.addExpectation(new ClientDriverRequest("/"), new ClientDriverResponse().withHeader("Date", compliantDate));
        Response response = get(driver.getBaseUrl());
        
        assertThat(response.getHeader("Date"), isValidDateHeader());
        assertThat(response.getHeader("Date"), isRfc1123Compliant());
        
    }
    
    @Test
    public void assertOnInvalidFormatDateHeader() {
        
        driver.addExpectation(new ClientDriverRequest("/"), new ClientDriverResponse().withHeader("Date", unCompliantDate));
        Response response = get(driver.getBaseUrl());
        
        assertThat(response.getHeader("Date"), not(isValidDateHeader()));
        assertThat(response.getHeader("Date"), not(isRfc1123Compliant()));
        
    }
    
    @Test
    public void assertOnInvalidDateHeader() {
        
        driver.addExpectation(new ClientDriverRequest("/"), new ClientDriverResponse().withHeader("Date", compliantButInvalidDate));
        Response response = get(driver.getBaseUrl());
        
        assertThat(response.getHeader("Date"), not(isValidDateHeader()));
        assertThat(response.getHeader("Date"), not(isRfc1123Compliant()));
        
    }
    
    @Test
    public void getHeaderAsDateTimeProvidesCorrectDate() {
        
        String testDate = "Mon, 09 May 2011 18:49:18 GMT";
        
        driver.addExpectation(new ClientDriverRequest("/"), new ClientDriverResponse().withHeader("Date", testDate));
        Response response = get(driver.getBaseUrl());
        
        DateTime headerDate = response.getHeader("Date").asDateTime();
        
        assertThat(headerDate.getDayOfWeek(), is(DateTimeConstants.MONDAY));
        
        assertThat(headerDate.getDayOfMonth(), is(9));
        assertThat(headerDate.getMonthOfYear(), is(DateTimeConstants.MAY));
        assertThat(headerDate.getYear(), is(2011));
        
        assertThat(headerDate.getHourOfDay(), is(18));
        assertThat(headerDate.getMinuteOfHour(), is(49));
        assertThat(headerDate.getSecondOfMinute(), is(18));
        
    }
    
}