package com.baeldung.param;

import java.util.Random;

import org.junit.jupiter.api.extension.ExtensionContext;
import org.junit.jupiter.api.extension.ParameterContext;
import org.junit.jupiter.api.extension.ParameterResolutionException;
import org.junit.jupiter.api.extension.ParameterResolver;

public class InvalidPersonParameterResolver implements ParameterResolver {

    /**
     * The "bad" (invalid) data for testing purposes has to go somewhere, right?
     */
    public static Person[] INVALID_PERSONS = { new Person().setId(1L)
        .setLastName("Ad_ams")
        .setFirstName("Jill,"),
            new Person().setId(2L)
                .setLastName(",Baker")
                .setFirstName(""),
            new Person().setId(3L)
                .setLastName(null)
                .setFirstName(null),
            new Person().setId(4L)
                .setLastName("Daniel&")
                .setFirstName("{Joseph}"),
            new Person().setId(5L)
                .setLastName("")
                .setFirstName("English, Jane"),
            new Person()/* .setId(6L).setLastName("Fontana").setFirstName("Enrique") */,
            // TODO: ADD MORE DATA HERE
    };

    @Override
    public Object resolveParameter(ParameterContext parameterContext, ExtensionContext extensionContext) throws ParameterResolutionException {
        Object ret = null;
        //
        // Return a random, valid Person object if Person.class is the type of Parameter
        /// to be resolved. Otherwise return null.
        if (parameterContext.getParameter()
            .getType() == Person.class) {
            ret = INVALID_PERSONS[new Random().nextInt(INVALID_PERSONS.length)];
        }
        return ret;
    }

    @Override
    public boolean supportsParameter(ParameterContext parameterContext, ExtensionContext extensionContext) throws ParameterResolutionException {
        boolean ret = false;
        //
        // If the Parameter.type == Person.class, then we support it, otherwise, get outta here!
        if (parameterContext.getParameter()
            .getType() == Person.class) {
            ret = true;
        }
        return ret;
    }

}