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package se.redmind.rmtest.config;

import java.io.File;
import java.util.ArrayList;
import java.util.List;

import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.remote.DesiredCapabilities;
import org.slf4j.LoggerFactory;

import com.fasterxml.jackson.annotation.JsonProperty;
import com.fasterxml.jackson.annotation.JsonTypeName;
import se.redmind.rmtest.WebDriverWrapper;
import se.redmind.utils.NodeModules;
import se.redmind.utils.TestHome;

/**
 * @author Jeremy Comte
 */
@JsonTypeName("chrome")
public class ChromeConfiguration extends LocalConfiguration {

    public static final String CHROMEDRIVER_SYSTEM_PROPERTY = "webdriver.chrome.driver";

    @JsonProperty
    public String chromedriver;

    public ChromeConfiguration() {
        super(DesiredCapabilities.chrome(), capabilities -> new ChromeDriver(capabilities));
    }

    @Override
    protected List> createDrivers() {
        if (System.getProperty(CHROMEDRIVER_SYSTEM_PROPERTY) == null && !setChromePath(chromedriver)) {
            return new ArrayList<>();
        }
        return super.createDrivers();
    }

    public static boolean setChromePath() {
        return setChromePath(null);
    }

    private static boolean setChromePath(String chromedriver) {
        String chromePath = chromedriver != null ? chromedriver : getChromePath();
        if (!new File(chromePath).exists()) {
            LoggerFactory.getLogger(ChromeConfiguration.class)
                .error("you need to specify the location of the chromedriver, either by:\n"
                    + (chromedriver != null ? "\t- setting the chromedriver property on the current driver in your configuration file\n" : "")
                    + "\t- setting the webdriver.chrome.driver system property (with -Dwebdriver.chrome.driver=/path/to/your/chromedriver)\n"
                    + "\t- running 'npm install chromedriver' in the current folder (" + System.getProperty("user.dir") + "), or one of its parent folder\n"
                    + (TestHome.get() != null ? "\t- running 'npm install chromedriver' in the TestHome folder (" + TestHome.get() + ")\n" : "")
                );
            return false;
        } else {
            LoggerFactory.getLogger(ChromeConfiguration.class).info("Setting chromedriver to be: " + chromePath);
            System.setProperty(CHROMEDRIVER_SYSTEM_PROPERTY, chromePath);
            return true;
        }
    }

    private static String getChromePath() {
        String chromePath = null;
        String osName = System.getProperty("os.name");
        if (osName.startsWith("Mac") || osName.startsWith("Linux")) {
            chromePath = NodeModules.path() + "/chromedriver/lib/chromedriver/chromedriver";
        } else if (osName.startsWith("Windows")) {
            chromePath = TestHome.get() + "/windows/chromedriver.exe";
        } else {
            throw new RuntimeException("Unsupported platform: '" + osName + "'");
        }
        return chromePath;
    }
}