// Copyright 2021 Code Intelligence GmbH
//
// 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.

package com.code_intelligence.jazzer.autofuzz;

import static com.code_intelligence.jazzer.autofuzz.TestHelpers.consumeTestCase;

import java.util.Arrays;
import java.util.Objects;
import org.junit.Test;

class Employee {
  private final String firstName;
  private final String lastName;
  private final String jobTitle;
  private final int age;

  @Override
  public boolean equals(Object o) {
    if (this == o)
      return true;
    if (o == null || getClass() != o.getClass())
      return false;
    Employee hero = (Employee) o;
    return age == hero.age && Objects.equals(firstName, hero.firstName)
        && Objects.equals(lastName, hero.lastName) && Objects.equals(jobTitle, hero.jobTitle);
  }

  @Override
  public int hashCode() {
    return Objects.hash(firstName, lastName, jobTitle, age);
  }

  private Employee(Builder builder) {
    this.jobTitle = builder.jobTitle;
    this.firstName = builder.firstName;
    this.lastName = builder.lastName;
    this.age = builder.age;
  }

  public static class Builder {
    private final String firstName;
    private final String lastName;
    private String jobTitle;
    private int age;

    public Builder(String firstName, String lastName) {
      this.firstName = firstName;
      this.lastName = lastName;
    }

    public Builder withAge(int age) {
      this.age = age;
      return this;
    }

    public Builder withJobTitle(String jobTitle) {
      this.jobTitle = jobTitle;
      return this;
    }

    public Employee build() {
      return new Employee(this);
    }
  }
}

public class BuilderPatternTest {
  @Test
  public void testBuilderPattern() {
    consumeTestCase(new Employee.Builder("foo", "bar").withAge(20).withJobTitle("baz").build(),
        "new com.code_intelligence.jazzer.autofuzz.Employee.Builder(\"foo\", \"bar\").withAge(20).withJobTitle(\"baz\").build()",
        Arrays.asList((byte) 1, // do not return null
            0, // Select the first Builder
            2, // Select two Builder methods returning a builder object (fluent design)
            0, // Select the first build method
            0, // pick the first remaining builder method (withAge)
            0, // pick the first remaining builder method (withJobTitle)
            0, // pick the first build method
            (byte) 1, // do not return null
            6, // remaining bytes
            "foo", // firstName
            (byte) 1, // do not return null
            6, // remaining bytes
            "bar", // lastName
            20, // age
            (byte) 1, // do not return null
            6, // remaining bytes
            "baz" // jobTitle
            ));
  }
}