package com.example.config;

import com.example.RuleList;
import com.example.SetList;
import com.example.rules.RuleInterface;
import com.example.sets.SetInterface;

import java.util.List;

public class JavaUpgraderConfig implements JavaUpgraderConfigInterface {

    @Override
    public List addSets() {
        return List.of(SetList.NAMING_SET);
    }


    @Override
    public List addRules() {
        return List.of(RuleList.DEAD_CODE);
    }

}

package com.example.rules.naming;

import com.example.model.UpgraderFileModel;
import com.example.rules.RuleInterface;
import com.github.javaparser.ast.body.FieldDeclaration;

public class ConstantNameToUpperSnakeCaseRule implements RuleInterface {

    @Override
    public void execute(UpgraderFileModel fileModel) {
        fileModel.getAst().findAll(FieldDeclaration.class).forEach(fieldDeclaration -> {
            if (fieldDeclaration.isFinal()) {
                fieldDeclaration.getVariables().forEach(variable -> {
                    String oldName = variable.getNameAsString();
                    String newName = convertToUpperCase(oldName);
                    variable.setName(newName);
                });
            }
        });
    }

    private String convertToUpperCase(String input) {
        return input.toUpperCase();
    }

    @Override
    public String getDescription() {
        return "Converts constant names from snake_case to upper snake case";
    }

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

    @Override
    public String getBeforeState() {
        return """
    public class Example {
        public static final int my_constant_value = 42;
    }
    """;
    }

    @Override
    public String getAfterState() {
        return """
        public class Example {
            public static final int MY_CONSTANT_VALUE = 42;
        }
        """;
    }
}