/*-
 * ============LICENSE_START=======================================================
 *  Copyright (C) 2016-2018 Ericsson. All rights reserved.
 *  Modifications Copyright (C) 2020, 2022, 2024 Nordix Foundation.
 * ================================================================================
 * 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.
 *
 * SPDX-License-Identifier: Apache-2.0
 * ============LICENSE_END=========================================================
 */

package org.onap.policy.apex.auth.clieditor;

import static org.junit.jupiter.api.Assertions.assertEquals;

import java.io.File;
import java.io.IOException;
import java.net.URL;
import java.nio.file.Paths;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.Test;
import org.onap.policy.apex.model.basicmodel.handling.ApexModelException;
import org.onap.policy.apex.model.basicmodel.handling.ApexModelReader;
import org.onap.policy.apex.model.policymodel.concepts.AxPolicyModel;
import org.onap.policy.common.utils.resources.ResourceUtils;
import org.onap.policy.common.utils.resources.TextFileUtils;

/**
 * Test FileMacro in the CLI.
 */
class FileMacroTest {
    private String[] fileMacroArgs;

    private File tempModelFile;
    private File tempLogFile;

    private static final String WHITESPACE_REGEX = "(\\s+){1,4}";

    /**
     * Creates the temp files.
     *
     * @throws IOException Signals that an I/O exception has occurred.
     */
    @BeforeEach
    void createTempFiles() throws IOException {
        tempModelFile = File.createTempFile("TestPolicyModel", ".json");
        tempLogFile = File.createTempFile("TestPolicyModel", ".log");

        fileMacroArgs = new String[] {"-c", "src/test/resources/scripts/FileMacro.apex", "-l",
            tempLogFile.getCanonicalPath(), "-o", tempModelFile.getCanonicalPath(), "-if", "true"};
    }

    /**
     * Removes the generated models.
     */
    @AfterEach
    void removeGeneratedModels() {
        tempModelFile.delete();
    }

    /**
     * Test logic block macro in CLI scripts.
     *
     * @throws IOException        Signals that an I/O exception has occurred.
     * @throws ApexModelException if there is an Apex error
     */
    @Test
    void testLogicBlock() throws IOException, ApexModelException {
        final ApexCommandLineEditorMain cliEditor = new ApexCommandLineEditorMain(fileMacroArgs);
        // We expect eight errors
        assertEquals(8, cliEditor.getErrorCount());

        // Read the file from disk
        final ApexModelReader<AxPolicyModel> modelReader = new ApexModelReader<>(AxPolicyModel.class);
        modelReader.setValidate(false);

        final URL writtenModelUrl = ResourceUtils.getLocalFile(tempModelFile.getCanonicalPath());
        final AxPolicyModel writtenModel = modelReader.read(writtenModelUrl.openStream());

        final URL compareModelUrl =
            ResourceUtils.getLocalFile("src/test/resources/compare/FileMacroModel_Compare.json");
        final AxPolicyModel compareModel = modelReader.read(compareModelUrl.openStream());

        // Ignore key info UUIDs
        writtenModel.getKeyInformation().getKeyInfoMap().clear();
        compareModel.getKeyInformation().getKeyInfoMap().clear();

        assertEquals(normalizeNewlines(writtenModel.toString()), normalizeNewlines(compareModel.toString()));

        // The output event is in this file
        final File outputLogFile = new File(tempLogFile.getCanonicalPath());

        final String outputLogString = TextFileUtils.getTextFileAsString(outputLogFile.getCanonicalPath())
            .replace(Paths.get("").toAbsolutePath() + File.separator, "")
            .replaceAll(WHITESPACE_REGEX, "");

        // We compare the log to what we expect to get
        final String outputLogCompareString = TextFileUtils
            .getTextFileAsString("src/test/resources/compare/FileMacro_Compare.log")
            .replaceAll(WHITESPACE_REGEX, "");

        // Check what we got is what we expected to get
        assertEquals(outputLogCompareString, outputLogString);
    }

    private String normalizeNewlines(String input) {
        return input.replace("\r\n", "\n");
    }
}