package org.owasp.webgoat;

import static org.junit.jupiter.api.DynamicTest.dynamicTest;

import io.restassured.RestAssured;
import java.util.Arrays;
import java.util.Map;
import org.apache.commons.lang3.StringUtils;
import org.assertj.core.api.Assertions;
import org.junit.jupiter.api.AfterEach;
import org.junit.jupiter.api.BeforeEach;
import org.junit.jupiter.api.DynamicTest;
import org.junit.jupiter.api.TestFactory;
import org.springframework.http.HttpHeaders;

public class PasswordResetLessonIntegrationTest extends IntegrationTest {

  @BeforeEach
  public void init() {
    startLesson("PasswordReset");
  }

  @TestFactory
  Iterable<DynamicTest> passwordResetLesson() {
    return Arrays.asList(
        dynamicTest("assignment 6 - check email link", () -> sendEmailShouldBeAvailableInWebWolf()),
        dynamicTest("assignment 6 - solve assignment", () -> solveAssignment()),
        dynamicTest("assignment 2 - simple reset", () -> assignment2()),
        dynamicTest("assignment 4 - guess questions", () -> assignment4()),
        dynamicTest("assignment 5 - simple questions", () -> assignment5()));
  }

  public void assignment2() {
    checkAssignment(
        url("PasswordReset/simple-mail/reset"),
        Map.of("emailReset", this.getUser() + "@webgoat.org"),
        false);
    checkAssignment(
        url("PasswordReset/simple-mail"),
        Map.of(
            "email",
            this.getUser() + "@webgoat.org",
            "password",
            StringUtils.reverse(this.getUser())),
        true);
  }

  public void assignment4() {
    checkAssignment(
        url("PasswordReset/questions"),
        Map.of("username", "tom", "securityQuestion", "purple"),
        true);
  }

  public void assignment5() {
    checkAssignment(
        url("PasswordReset/SecurityQuestions"),
        Map.of("question", "What is your favorite animal?"),
        false);
    checkAssignment(
        url("PasswordReset/SecurityQuestions"),
        Map.of("question", "What is your favorite color?"),
        true);
  }

  public void solveAssignment() {
    // WebGoat
    clickForgotEmailLink("tom@webgoat-cloud.org");

    // WebWolf
    var link = getPasswordResetLinkFromLandingPage();
    // WebGoat
    changePassword(link);
    checkAssignment(
        url("PasswordReset/reset/login"),
        Map.of("email", "tom@webgoat-cloud.org", "password", "123456"),
        true);
  }

  public void sendEmailShouldBeAvailableInWebWolf() {
    clickForgotEmailLink(this.getUser() + "@webgoat.org");

    var responseBody =
        RestAssured.given()
            .when()
            .relaxedHTTPSValidation()
            .cookie("WEBWOLFSESSION", getWebWolfCookie())
            .get(webWolfUrl("mail"))
            .then()
            .extract()
            .response()
            .getBody()
            .asString();

    Assertions.assertThat(responseBody).contains("Hi, you requested a password reset link");
  }

  @AfterEach
  public void shutdown() {
    // this will run only once after the list of dynamic tests has run, this is to test if the
    // lesson is marked complete
    checkResults("/PasswordReset");
  }

  private void changePassword(String link) {
    RestAssured.given()
        .when()
        .relaxedHTTPSValidation()
        .cookie("JSESSIONID", getWebGoatCookie())
        .formParams("resetLink", link, "password", "123456")
        .post(url("PasswordReset/reset/change-password"))
        .then()
        .statusCode(200);
  }

  private String getPasswordResetLinkFromLandingPage() {
    var responseBody =
        RestAssured.given()
            .when()
            .relaxedHTTPSValidation()
            .cookie("WEBWOLFSESSION", getWebWolfCookie())
            .get(webWolfUrl("requests"))
            .then()
            .extract()
            .response()
            .getBody()
            .asString();
    int startIndex = responseBody.lastIndexOf("/PasswordReset/reset/reset-password/");
    var link =
        responseBody.substring(
            startIndex + "/PasswordReset/reset/reset-password/".length(),
            responseBody.indexOf(",", startIndex) - 1);
    return link;
  }

  private void clickForgotEmailLink(String user) {
    RestAssured.given()
        .when()
        .header(HttpHeaders.HOST, String.format("%s:%s", getWebWolfHost(), getWebWolfPort()))
        .relaxedHTTPSValidation()
        .cookie("JSESSIONID", getWebGoatCookie())
        .formParams("email", user)
        .post(url("PasswordReset/ForgotPassword/create-password-reset-link"))
        .then()
        .statusCode(200);
  }
}