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package com.smartdukaan.cron.scheduled;

import nu.pattern.OpenCV;
import org.apache.commons.io.FileUtils;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.opencv.core.Mat;
import org.opencv.core.Size;
import org.opencv.imgcodecs.Imgcodecs;
import org.opencv.imgproc.Imgproc;
import org.openqa.selenium.*;
import org.openqa.selenium.chrome.ChromeDriver;
import org.openqa.selenium.chrome.ChromeOptions;
import org.openqa.selenium.interactions.Actions;
import org.openqa.selenium.support.ui.ExpectedConditions;
import org.openqa.selenium.support.ui.WebDriverWait;
import org.springframework.stereotype.Component;

import javax.imageio.ImageIO;
import java.awt.image.BufferedImage;
import java.io.File;
import java.time.LocalDate;
import java.time.format.DateTimeFormatter;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.concurrent.TimeUnit;
import java.util.stream.Collectors;

@Component
public class CheckOppoWarrantyTask {


    private static final Logger LOGGER = LogManager.getLogger(CheckOppoWarrantyTask.class);

    public Map<String, LocalDate> checkWarranty(List<String> imeis) {
        Map<String, LocalDate> dateMap = new HashMap<>();
        //System.out.println(System.getProperty("os.name"));
        //System.out.println(System.getProperty("os.arch"));
        OpenCV.loadShared();
        LOGGER.info("Initiating webdriver...");

        Map<String, Object> prefsMap = new HashMap<>();
        prefsMap.put("profile.default_content_settings.popups", 0);
        prefsMap.put("download.prompt", false);
        prefsMap.put("download.directory_upgrade", true);
        System.setProperty("webdriver.chrome.driver", "/usr/bin/chromedriver");
        //I need this
        //System.setProperty("webdriver.chrome.driver", "/Users/amit/cft/chromedriver/chromedriver");
        ChromeOptions options = new ChromeOptions();
        //options.setBinary("/Users/amit/cft/chrome/Google Chrome for Testing.app/Contents/MacOS/Google Chrome For Testing");
        options.setExperimentalOption("prefs", prefsMap);
        //options.setExperimentalOption("detach", true);
        options.addArguments("--headless");
        options.addArguments("--user-agent=\"Mozilla/5.0 (Windows Phone 10.0; Android 4.2.1; Microsoft; Lumia 640 XL LTE) AppleWebKit/537.36 (KHTML, like Gecko) Chrome/42.0.2311.135 Mobile Safari/537.36 Edge/12.10166\"");

        options.addArguments("--no-sandbox");
        options.addArguments("start-maximized");
        options.addArguments("disable-infobars");
        options.addArguments("--disable-extensions");
        options.addArguments("--force-device-scale-factor=1");
        options.addArguments("--test-type");

        WebDriver driver = null;

        try {
            driver = new ChromeDriver(options);
            driver.manage().timeouts().setScriptTimeout(6, TimeUnit.SECONDS);
            driver.manage().window().setSize(new Dimension(1600, 900));
            driver.manage().window().maximize();
            // Deleting all the cookies
            driver.manage().deleteAllCookies();
            // Specifiying pageLoadTimeout and Implicit wait
            driver.manage().timeouts().pageLoadTimeout(15, TimeUnit.SECONDS);
            driver.manage().timeouts().implicitlyWait(9, TimeUnit.SECONDS);

            int mainCount = 0;
            List<String> remainingImeis = imeis;
            WebDriverWait wait10Sec = new WebDriverWait(driver, 8);
            WebDriverWait wait5Sec = new WebDriverWait(driver, 4);
            WebElement slideButton;
            Actions actionProvider = new Actions(driver);
            do {
                driver.get("https://support.oppo.com/in/warranty-check/");
                try {
                    driver.findElement(By.cssSelector(".cp-cookie-tip a.close")).click();
                } catch (Exception e) {
                }

                for (int i = 0; i < remainingImeis.size(); i++) {
                    String imei = remainingImeis.get(i);
                    try {
                        System.out.println("Starting fresh with new IMEI " + imei);
                        if (driver.findElement(By.className("el-input__inner")).getAttribute("value").length() > 0) {
                            System.out.println("Darn.. leaving" + driver.findElement(By.className("el-input__inner")).getAttribute("value"));
                            driver.get("https://support.oppo.com/in/warranty-check/");
                            break;
                        }
                        driver.findElement(By.className("el-input__inner")).sendKeys(imei);

                        //driver.findElement(By.className("el-button--primary")).click();
                        driver.findElement(By.cssSelector("div.searchBtn")).click();

                        // Perform click-and-hold action on the element
                        int counter = 1;
                        boolean captchaNotBroken = true;
                        do {
                            String fileName = "/tmp/oppo-simple-i-" + counter + " " + System.currentTimeMillis() + ".png";
                            try {
                                System.out.println("Starting Do");
                                wait10Sec.until(ExpectedConditions.visibilityOfElementLocated(By.id("dx_captcha_basic_wrapper_1")));
                                wait10Sec.until(ExpectedConditions.visibilityOfElementLocated(By.id("dx_captcha_basic_slider_1")));
                                slideButton = driver.findElement(By.id("dx_captcha_basic_slider_1"));
                                //System.out.println("Slide button - " + slideButton);
                                System.out.println("Margin Left before- " + slideButton.getCssValue("margin-left"));
                                actionProvider.moveToElement(slideButton).clickAndHold()
                                        .moveByOffset(1, 0)//.pause(2000)
                                        .perform();

                                //actionProvider.moveByOffset(-1,0).pause(2000).perform();
                                System.out.println("Margin Left after - " + slideButton.getCssValue("margin-left"));
                                //Thread.sleep(5000);
                            } catch (Exception e) {
                                System.out.println(e.getMessage());
                                driver.get("https://support.oppo.com/in/warranty-check/");
                                break;
                            }
                            double[] circles = getMatCircles2(driver, fileName);
                            if (circles != null) {
                                double firstCircleX = circles[0];
                                double secondCircleX = circles[1];
                                double distance = Math.abs(firstCircleX - secondCircleX);
                                System.out.println("Distance is " + distance);

                                System.out.println("Starting Checkdistance method");
                                int moveByOffset = checkDistance(driver, wait10Sec, actionProvider, distance, slideButton);
                                if (moveByOffset > 0) {
                                    System.out.println("Margin Offset - " + slideButton.getCssValue("margin-left"));
                                    System.out.println("Ending Checkdistance method " + moveByOffset);
                                    actionProvider.moveByOffset(moveByOffset, 0).release().perform();
                                    System.out.println("Move click performed");
                                    try {
                                        try {
                                            wait5Sec.until(ExpectedConditions.visibilityOfElementLocated(By.className("dx_captcha_basic_bar-inform")));
                                            System.out.println("Failed = " + counter);
                                        } catch (Exception notFailedException) {
                                            System.out.println("Success  at attempt " + counter);
                                            //List<WebElement> warrantyDateElements = driver.findElements(By.className("warranty-service--result_info__dateValue"));
                                            WebElement activationTimeElement = driver.findElement(By.xpath("//*[contains(text(), 'UTC+5.5')  or contains(text(), 'Non-Activate')]"));
                                            //TODO: IF not found activationElement
                                            if (activationTimeElement != null) {
                                                String activationDateString = activationTimeElement.getText().trim();
                                                System.out.println("Date --  " + activationDateString);
                                                try {
                                                    dateMap.put(imei, LocalDate.parse(activationDateString.split(" ")[0], DateTimeFormatter.ofPattern("dd/MM/yyyy")));
                                                    System.out.println("Date --  " + activationDateString);
                                                } catch (Exception e) {
                                                    dateMap.put(imei, null);
                                                }
                                            } else {
                                                System.out.println("Could not capture date");
                                                dateMap.put(imei, null);
                                            }
                                            if (dateMap.size() == imeis.size()) {
                                                return dateMap;
                                            }
                                            WebElement checkAgainButton = driver.findElement(By.className("c-btn"));
                                            captchaNotBroken = false;
                                            checkAgainButton.click();
                                            break;
                                        }
                                    } catch (Throwable e) {
                                        System.out.println("Failed = " + counter + " ----------" + e.getMessage());
                                    }
                                }
                            }
                            System.out.println("After circles conditions");
                            wait10Sec.until(ExpectedConditions.visibilityOfElementLocated(By.id("dx_captcha_basic_wrapper_1")));
                            wait10Sec.until(ExpectedConditions.visibilityOfElementLocated(By.id("dx_captcha_basic_slider_1")));
                            slideButton = driver.findElement(By.id("dx_captcha_basic_slider_1"));
                            actionProvider.moveToElement(slideButton).doubleClick().perform();
                            System.out.println("Ending Do" + counter++);

                        } while (captchaNotBroken && counter <= 20);
                        System.out.println("Counter reached upto 20");
                    } catch (Exception e) {
                        System.out.println("Caught unknown - for imei " + imei);
                        e.printStackTrace();
                    }
                    driver.get("https://support.oppo.com/in/warranty-check/");
                }
                mainCount++;
                remainingImeis = imeis.stream().filter(x -> !dateMap.containsKey(x)).collect(Collectors.toList());
            } while (mainCount < 5);
        } finally {
            if (driver != null) {
                try {
                    driver.quit(); //Ensures cleanup even on return or error
                } catch (Exception e) {
                    System.out.println("Error closing driver: " + e.getMessage());
                }
            }
        }

        return dateMap;
    }


    private int checkDistance(WebDriver driver, WebDriverWait wait3Sec, Actions actionProvider, double distance, WebElement slideButton) throws Exception {

        //actionProvider.moveToElement(slideButton).clickAndHold().moveByOffset(1, 0).perform();
        actionProvider.moveByOffset(15, 0).perform();
        String fileName2 = "/tmp/" + Thread.currentThread().getName() + "-moved.png";
        double[] movedCircles = getMatCircles2(driver, fileName2);
        if (movedCircles == null) return 0;
        double movedFirst = movedCircles[0];
        double movedSecond = movedCircles[1];
        //System.out.println("Test Offset Move " + testMove);
        System.out.println("Found Moved " + movedFirst + " ," + movedSecond);
        double movedDistance = Math.abs(movedFirst - movedSecond);
        double moved = distance - movedDistance;
                /*System.out.println("Original distance " + distance);
                System.out.println("Moved Distance " + movedDistance);
                System.out.println("Moved " + moved);*/
        if (moved == 0) return 0;
        int moveBy = (int) ((movedDistance) * (15 / moved));
        //int moveBy = (int) distance - 21;
        return moveBy;
    }

    private Mat getMatCircles(WebDriver driver, String fileName) throws Exception {

        File screenshot = ((TakesScreenshot) driver).getScreenshotAs(OutputType.FILE);
        BufferedImage fullImg = ImageIO.read(screenshot);

        // Get the location of element on the page
        WebElement imageElement = driver.findElement(By.id("dx_captcha_basic_bg_1"));
        Point point = imageElement.getLocation();

        // Get width and height of the element
        int eleWidth = imageElement.getSize().getWidth();
        int eleHeight = imageElement.getSize().getHeight();

        // Crop the entire page screenshot to get only element screenshot
        BufferedImage eleScreenshot = fullImg.getSubimage(point.getX(), point.getY(),
                eleWidth, eleHeight);
        ImageIO.write(eleScreenshot, "png", screenshot);

        // Copy the element screenshot to disk
        File screenshotLocation = new File(fileName);
        FileUtils.copyFile(screenshot, screenshotLocation);

        Imgcodecs imageCodecs = new Imgcodecs();
        Mat grayMatrix = imageCodecs.imread(fileName, Imgcodecs.IMREAD_COLOR);
        Imgproc.cvtColor(grayMatrix, grayMatrix, Imgproc.COLOR_BGR2GRAY);
        Mat medianBlur = new Mat();
        Imgproc.medianBlur(grayMatrix, medianBlur, 5);
        Mat circles = new Mat();
        Imgproc.HoughCircles(medianBlur, circles, Imgproc.HOUGH_GRADIENT, 1, 15, 50, 20, 17, 25);
        return circles;
    }

    private double[] getMatCircles2(WebDriver driver, String fileName) throws Exception {
        File screenshot = ((TakesScreenshot) driver).getScreenshotAs(OutputType.FILE);
        BufferedImage fullImg = ImageIO.read(screenshot);

        // Get the location of element on the page
        WebElement imageElement = driver.findElement(By.id("dx_captcha_basic_bg_1"));
        Point point = imageElement.getLocation();

        // Get width and height of the element
        int eleWidth = imageElement.getSize().getWidth();
        int eleHeight = imageElement.getSize().getHeight();

        // Crop the entire page screenshot to get only element screenshot
        BufferedImage eleScreenshot = fullImg.getSubimage(point.getX(), point.getY(),
                eleWidth, eleHeight);
        ImageIO.write(eleScreenshot, "png", screenshot);

        // Copy the element screenshot to disk
        File screenshotLocation = new File(fileName);
        FileUtils.copyFile(screenshot, screenshotLocation);

        Mat src = Imgcodecs.imread(fileName);
        if (src.empty()) {
            System.err.println("Cannot read image: " + fileName);
            return null;
        }

        Mat gray = new Mat();
        Imgproc.cvtColor(src, gray, Imgproc.COLOR_BGR2GRAY);
        Imgproc.GaussianBlur(gray, gray, new Size(9, 9), 2, 2);

        Mat circles = new Mat();
        Imgproc.HoughCircles(gray, circles, Imgproc.HOUGH_GRADIENT, 1.0,
                20, // min distance between centers
                100, 20, // param1 (Canny high threshold), param2 (accumulator threshold)
                10, 50); // minRadius, maxRadius (adjust as needed)

        if (circles.cols() < 2) return null;

        for (int i = 0; i < circles.cols(); i++) {
            double[] c1 = circles.get(0, i);
            for (int j = i + 1; j < circles.cols(); j++) {
                double[] c2 = circles.get(0, j);
                if (Math.abs(c1[2] - c2[2]) < 3) { // check similar radius
                    return new double[] {
                            c1[0], c2[0] // x-coordinates
                    };
                }
            }
        }

        return null;
    }


}