/*
 * Copyright 2018 OpenAPI-Generator Contributors (https://openapi-generator.tech)
 * Copyright 2018 SmartBear Software
 *
 * 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
 *
 *     https://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 org.openapitools.codegen.languages;

import org.apache.commons.lang3.StringUtils;
import org.openapitools.codegen.CliOption;
import org.openapitools.codegen.CodegenConstants;
import org.openapitools.codegen.CodegenType;
import org.openapitools.codegen.SupportingFile;
import org.openapitools.codegen.meta.features.*;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import java.io.File;
import java.util.ArrayList;
import java.util.Collections;
import java.util.EnumSet;
import java.util.List;

public class PhpClientCodegen extends AbstractPhpCodegen {
    @SuppressWarnings("hiding")
    private final Logger LOGGER = LoggerFactory.getLogger(PhpClientCodegen.class);
    public static final String GUZZLE = "guzzle";
    public static final String PSR18 = "psr-18";

    public PhpClientCodegen() {
        super();

        modifyFeatureSet(features -> features
                .includeDocumentationFeatures(DocumentationFeature.Readme)
                .wireFormatFeatures(EnumSet.of(WireFormatFeature.JSON, WireFormatFeature.XML))
                .includeGlobalFeatures(GlobalFeature.MultiServer)
                .securityFeatures(EnumSet.of(
                        SecurityFeature.BasicAuth,
                        SecurityFeature.BearerToken,
                        SecurityFeature.ApiKey,
                        SecurityFeature.OAuth2_Implicit))
                .excludeGlobalFeatures(
                        GlobalFeature.XMLStructureDefinitions,
                        GlobalFeature.Callbacks,
                        GlobalFeature.LinkObjects,
                        GlobalFeature.ParameterStyling
                )
                .excludeSchemaSupportFeatures(
                        SchemaSupportFeature.Polymorphism
                )
        );

        // clear import mapping (from default generator) as php does not use it
        // at the moment
        importMapping.clear();

        setInvokerPackage("OpenAPI\\Client");
        setApiPackage(getInvokerPackage() + "\\" + apiDirName);
        setModelPackage(getInvokerPackage() + "\\" + modelDirName);
        setPackageName("OpenAPIClient-php");
        supportsInheritance = true;
        setOutputDir("generated-code" + File.separator + "php");
        modelTestTemplateFiles.put("model_test.mustache", ".php");
        embeddedTemplateDir = templateDir = "php";

        // default HIDE_GENERATION_TIMESTAMP to true
        hideGenerationTimestamp = Boolean.TRUE;

        // provide primitives to mustache template
        List sortedLanguageSpecificPrimitives = new ArrayList(languageSpecificPrimitives);
        Collections.sort(sortedLanguageSpecificPrimitives);
        String primitives = "'" + StringUtils.join(sortedLanguageSpecificPrimitives, "', '") + "'";
        additionalProperties.put("primitives", primitives);

        cliOptions.add(new CliOption(CodegenConstants.HIDE_GENERATION_TIMESTAMP, CodegenConstants.ALLOW_UNICODE_IDENTIFIERS_DESC)
                .defaultValue(Boolean.TRUE.toString()));

        supportedLibraries.put(GUZZLE, "Guzzle");
        supportedLibraries.put(PSR18, "psr/http-client-implementation, also known as PSR-18. (beta support)");
        CliOption libraryOption = new CliOption(CodegenConstants.LIBRARY, "HTTP library template (sub-template) to use");
        libraryOption.setEnum(supportedLibraries);
        // set GUZZLE as the default
        libraryOption.setDefault(GUZZLE);
        cliOptions.add(libraryOption);
        setLibrary(GUZZLE);
    }

    @Override
    public CodegenType getTag() {
        return CodegenType.CLIENT;
    }

    @Override
    public String getName() {
        return "php";
    }

    @Override
    public String getHelp() {
        return "Generates a PHP client library.";
    }

    @Override
    public void processOpts() {
        super.processOpts();

        supportingFiles.add(new SupportingFile("ApiException.mustache", toSrcPath(invokerPackage, srcBasePath), "ApiException.php"));
        supportingFiles.add(new SupportingFile("Configuration.mustache", toSrcPath(invokerPackage, srcBasePath), "Configuration.php"));
        supportingFiles.add(new SupportingFile("ObjectSerializer.mustache", toSrcPath(invokerPackage, srcBasePath), "ObjectSerializer.php"));
        supportingFiles.add(new SupportingFile("ModelInterface.mustache", toSrcPath(modelPackage, srcBasePath), "ModelInterface.php"));
        supportingFiles.add(new SupportingFile("HeaderSelector.mustache", toSrcPath(invokerPackage, srcBasePath), "HeaderSelector.php"));
        supportingFiles.add(new SupportingFile("composer.mustache", "", "composer.json"));
        supportingFiles.add(new SupportingFile("README.mustache", "", "README.md"));
        supportingFiles.add(new SupportingFile("phpunit.xml.mustache", "", "phpunit.xml.dist"));
        supportingFiles.add(new SupportingFile(".travis.yml", "", ".travis.yml"));
        supportingFiles.add(new SupportingFile(".php-cs-fixer.dist.php", "", ".php-cs-fixer.dist.php"));
        supportingFiles.add(new SupportingFile("git_push.sh.mustache", "", "git_push.sh"));

        if (additionalProperties.containsKey(CodegenConstants.LIBRARY)) {
            this.setLibrary((String) additionalProperties.get(CodegenConstants.LIBRARY));
        }

        if (PSR18.equals(getLibrary())) {
            supportingFiles.add(new SupportingFile("DebugPlugin.mustache", toSrcPath(invokerPackage, srcBasePath), "DebugPlugin.php"));
        }

    }
}
