package com.kobylynskyi.graphql.codegen.model;

import graphql.language.Directive;
import graphql.language.StringValue;

/**
 * @author liguobin@growingio.com
 * @version 1.0, 2020/12/28
 */
public class MultiLanguageDeprecated {

    private static final String REASON = "reason";
    private static final String SCALA_ANNOTATION = "deprecated";
    private static final String JAVA_ANNOTATION = "Deprecated";
    private static final String KOTLIN_ANNOTATION = "Deprecated";

    private MultiLanguageDeprecated() {
    }

    /**
     * Get a definition of @deprecated annotation for a specified language.
     *
     * @param generatedLanguage Language of code generation
     * @param directive         GraphQL @deprecated directive
     * @return a definition of a deprecation having reason and annotation
     */
    @SuppressWarnings({"java:S1133", "java:S1123"}) // sonar treats this is a deprecated method
    public static DeprecatedDefinition getLanguageDeprecated(GeneratedLanguage generatedLanguage, Directive directive) {
        String msg = null;
        if (directive.getArguments().stream().anyMatch(argument -> argument.getName().equals(REASON))) {
            msg = ((StringValue) directive.getArgument(REASON).getValue()).getValue();
        }
        switch (generatedLanguage) {
            case KOTLIN:
                return new DeprecatedDefinition(KOTLIN_ANNOTATION, msg);
            case SCALA:
                return new DeprecatedDefinition(SCALA_ANNOTATION, msg);
            //ignore msg
            case JAVA:
            default:
                return new DeprecatedDefinition(JAVA_ANNOTATION);
        }
    }
}