/**
 * Copyright (c) 2009 - 2012 Red Hat, Inc.
 *
 * This software is licensed to you under the GNU General Public License,
 * version 2 (GPLv2). There is NO WARRANTY for this software, express or
 * implied, including the implied warranties of MERCHANTABILITY or FITNESS
 * FOR A PARTICULAR PURPOSE. You should have received a copy of GPLv2
 * along with this software; if not, see
 * http://www.gnu.org/licenses/old-licenses/gpl-2.0.txt.
 *
 * Red Hat trademarks are not licensed under GPLv2. No permission is
 * granted to use or replicate Red Hat trademarks that are incorporated
 * in this software or its documentation.
 */
package org.candlepin.util;

import static org.junit.Assert.assertEquals;
import static org.junit.Assert.assertTrue;
import static org.junit.Assert.fail;
import static org.mockito.Matchers.eq;
import static org.mockito.Mockito.mock;
import static org.mockito.Mockito.when;

import org.candlepin.common.config.Configuration;
import org.candlepin.common.exceptions.BadRequestException;
import org.candlepin.config.ConfigProperties;
import org.candlepin.jackson.ProductCachedSerializationModule;
import org.candlepin.model.ContentOverride;
import org.candlepin.model.ProductCurator;
import org.candlepin.model.Rules;
import org.candlepin.model.RulesCurator;
import org.candlepin.policy.js.JsRunnerProvider;
import org.candlepin.policy.js.JsRunnerRequestCache;
import org.candlepin.policy.js.RulesObjectMapper;
import org.candlepin.policy.js.override.OverrideRules;
import org.candlepin.test.DatabaseTestFixture;

import com.google.inject.Provider;

import org.junit.Before;
import org.junit.Test;
import org.mockito.Mock;
import org.xnap.commons.i18n.I18n;

import java.io.InputStream;
import java.util.Date;
import java.util.LinkedList;
import java.util.List;

import javax.inject.Inject;

/**
 * ContentOverrideValidatorTest
 */
public class ContentOverrideValidatorTest extends DatabaseTestFixture  {
    @Inject  private I18n i18n;
    private RulesCurator rulesCuratorMock;
    @Mock
    private Provider<JsRunnerRequestCache> cacheProvider;
    @Mock
    private JsRunnerRequestCache cache;
    @Mock private ProductCurator mockProductCurator;
    private Configuration config;

    private ContentOverrideValidator validator;
    private OverrideRules overrideRules;
    private JsRunnerProvider provider;

    @Before
    public void setupTest() {
        InputStream is = this.getClass().getResourceAsStream(
            RulesCurator.DEFAULT_RULES_FILE);
        rulesCuratorMock = mock(RulesCurator.class);
        config = mock(Configuration.class);
        cacheProvider = mock(Provider.class);
        cache = mock(JsRunnerRequestCache.class);
        Rules rules = new Rules(Util.readFile(is));
        when(rulesCuratorMock.getUpdated()).thenReturn(new Date());
        when(rulesCuratorMock.getRules()).thenReturn(rules);
        when(cacheProvider.get()).thenReturn(cache);
        provider = new JsRunnerProvider(rulesCuratorMock, cacheProvider);
        overrideRules = new OverrideRules(provider.get(), config,
                new RulesObjectMapper(new ProductCachedSerializationModule(mockProductCurator)));
        validator = new ContentOverrideValidator(i18n, overrideRules);
    }

    @Test
    public void testValidateValidCollection() {
        List<ContentOverride> overrides = new LinkedList<ContentOverride>();
        overrides.add(new ContentOverride("label", "testname", "value"));
        overrides.add(new ContentOverride("other label", "other name", "other value"));

        validator.validate(overrides);
    }

    @Test
    public void testValidateValidOverride() {
        ContentOverride override = new ContentOverride("label", "testname", "value");
        validator.validate(override);
    }

    @Test
    public void testValidateSingleInvalid() {
        when(config.getBoolean(eq(ConfigProperties.STANDALONE))).thenReturn(false);
        ContentOverride override = new ContentOverride("label", "baseurl", "value");

        try {
            validator.validate(override);
            fail("Expected exception was \"BadRequestException\" not thrown.");
        }
        catch (BadRequestException bre) {
            assertEquals("Not allowed to override values for: baseurl", bre.getMessage());
        }
    }

    @Test
    public void testValidateCollectionBothInvalid() {
        when(config.getBoolean(eq(ConfigProperties.STANDALONE))).thenReturn(false);
        List<ContentOverride> overrides = new LinkedList<ContentOverride>();
        overrides.add(new ContentOverride("label", "baseurl", "value"));
        overrides.add(new ContentOverride("other label", "name", "other value"));

        try {
            validator.validate(overrides);
            fail("Expected exception \"BadRequestException\" was not thrown.");
        }
        catch (BadRequestException bre) {
            assertTrue(bre.getMessage().matches(
                "^Not allowed to override values for: (?:baseurl, name|name, baseurl)"
            ));
        }

    }
}