package open_website;

import java.util.List;

import org.junit.Assert;
import java.util.concurrent.TimeUnit;

import org.openqa.selenium.By;
import org.openqa.selenium.WebDriver;
import org.openqa.selenium.WebElement;
import org.openqa.selenium.firefox.FirefoxDriver;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;


public class FacebookLogin {

    public static void main(String[] args) {

        WebDriver driver;

        DesiredCapabilities cap=DesiredCapabilities.firefox();
        driver=new FirefoxDriver(cap);

        driver.manage().timeouts().implicitlyWait(30,TimeUnit.SECONDS);
        driver.manage().window().maximize();

        driver.get("https://www.facebook.com");

        String username = "Enter your username here";
        String pwd = "Enter your password here";

        WebElement email = driver.findElement(By.id("email"));
        email.sendKeys(username);

        WebElement password = driver.findElement(By.id("pass"));
        password.sendKeys(pwd);

        WebElement login = driver.findElement(By.id("u_0_r"));
        login.click();

        System.out.println("User is logged in");

        String helloWorld = "Hello World";

        WebElement status = driver.findElement(By.xpath("//*[@name='xhpc_message']"));
        status.sendKeys(helloWorld);

        WebDriverWait wait = new WebDriverWait(driver, 5);
        wait.until(ExpectedConditions.visibilityOfElementLocated(By.xpath("//*[text()='Post']")));

        WebElement postButton = driver.findElement(By.xpath("//*[text()='Post']"));
        postButton.click();

        System.out.println("Posted the status message '" + helloWorld + "' successfully");

        try {
            Thread.sleep(10000); //Sleep for 10 seconds
        } catch (InterruptedException e) {
            e.printStackTrace();
        }

        //Verifying that the status message is present.
        List<WebElement> list = driver.findElements(By.xpath("//*[contains(text(),'" + helloWorld + "')]"));
        Assert.assertTrue("Status message '" + helloWorld +"' not posted!", list.size() > 0);

        driver.quit(); //Closes all browser windows and safely ends the session.

    }
}