Subversion Repositories SmartDukaan

package com.spice.profitmandi.web.controller;

import com.jcraft.jsch.*;

import com.spice.profitmandi.common.enumuration.MessageType;

import com.spice.profitmandi.common.exception.ProfitMandiBusinessException;

import com.spice.profitmandi.common.model.CustomRetailer;

import com.spice.profitmandi.common.model.ProfitMandiConstants;

import com.spice.profitmandi.common.model.SendNotificationModel;

import com.spice.profitmandi.common.util.FormattingUtils;

import com.spice.profitmandi.common.web.util.ResponseSender;

import com.spice.profitmandi.dao.entity.catalog.BrandCatalog;

import com.spice.profitmandi.dao.entity.catalog.Offer;

import com.spice.profitmandi.dao.entity.fofo.PartnerType;

import com.spice.profitmandi.dao.enumuration.catalog.ItemCriteriaType;

import com.spice.profitmandi.dao.enumuration.catalog.OfferSchemeType;

import com.spice.profitmandi.dao.model.CreateOfferRequest;

import com.spice.profitmandi.dao.model.ItemCriteriaPayout;

import com.spice.profitmandi.dao.model.TodayOfferModel;

import com.spice.profitmandi.dao.repository.catalog.*;

import com.spice.profitmandi.dao.repository.dtr.FofoStoreRepository;

import com.spice.profitmandi.dao.repository.dtr.UserAccountRepository;

import com.spice.profitmandi.service.NotificationService;

import com.spice.profitmandi.service.authentication.RoleManager;

import com.spice.profitmandi.service.catalog.BrandsService;

import com.spice.profitmandi.service.offers.ItemCriteria;

import com.spice.profitmandi.service.offers.OfferService;

import com.spice.profitmandi.service.offers.TodayOfferService;

import com.spice.profitmandi.service.user.RetailerService;

import com.spice.profitmandi.web.model.LoginDetails;

import com.spice.profitmandi.web.util.CookiesProcessor;

import com.spice.profitmandi.web.util.MVCResponseSender;

import org.apache.commons.io.FileUtils;

import org.apache.commons.io.output.ByteArrayOutputStream;

import org.apache.logging.log4j.LogManager;

import org.apache.logging.log4j.Logger;

import com.google.gson.Gson;

import com.spice.profitmandi.service.offers.PartnerCriteria;

import org.springframework.beans.factory.annotation.Autowired;

import org.springframework.cache.interceptor.SimpleKey;

import org.springframework.beans.factory.annotation.Value;

import org.springframework.cache.CacheManager;

import org.springframework.core.io.InputStreamResource;

import org.springframework.http.HttpHeaders;

import org.springframework.http.HttpStatus;

import org.springframework.http.ResponseEntity;

import org.springframework.mock.web.MockHttpServletRequest;

import org.springframework.mock.web.MockHttpServletResponse;

import org.springframework.stereotype.Controller;

import org.springframework.transaction.annotation.Transactional;

import org.springframework.ui.Model;

import org.springframework.web.bind.annotation.*;

import org.springframework.web.multipart.MultipartFile;

import org.springframework.web.servlet.View;

import org.springframework.web.servlet.ViewResolver;

import org.xhtmlrenderer.swing.Java2DRenderer;

import javax.imageio.ImageIO;

import javax.servlet.http.HttpServletRequest;

import java.awt.*;

import java.awt.image.BufferedImage;

import java.io.ByteArrayInputStream;

import java.io.File;

import java.io.FileNotFoundException;

import java.io.InputStream;

import java.time.Instant;

import java.time.LocalDate;

import java.time.LocalDateTime;

import java.time.YearMonth;

import java.util.List;

import java.util.*;

import java.util.stream.Collectors;

@Controller

@Transactional(rollbackFor = Throwable.class)

public class OfferController {

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

    private static final String IMAGE_REMOTE_DIR = "/var/www/dtrdashboard/uploads/campaigns/";

    private static final String IMAGE_STATIC_SERVER_URL = "https://images.smartdukaan.com/uploads/campaigns";

    @Autowired

    UserAccountRepository userAccountRepository;

    @Autowired

    RoleManager roleManager;

    @Autowired

    private OfferRepository offerRepository;

    @Autowired

    private OfferMarginRepository offerMarginRepository;

    @Autowired

    private FofoStoreRepository fofoStoreRepository;

    @Autowired

    private ResponseSender responseSender;

    @Autowired

    private ViewResolver viewResolver;

    @Autowired

    private ItemRepository itemRepository;

    @Autowired

    private MVCResponseSender mvcResponseSender;

    @Autowired

    private RetailerService retailerService;

    @Autowired

    private NotificationService notificationService;

    @Autowired

    private CookiesProcessor cookiesProcessor;

    @Autowired

    private OfferService offerService;

    @Autowired

    private CacheManager oneDayCacheManager;

    @Autowired

    private CacheManager redisCacheManager;

    @Autowired

    private CacheManager redisShortCacheManager;

    @Autowired

    private CacheManager thirtyMinsTimeOutCacheManager;

    @Autowired

    BrandsService brandsService;

    @Autowired

    private CatalogRepository catalogRepository;

    @Autowired

    TodayOfferService todayOfferService;

    @RequestMapping(value = "/getCreateOffer", method = RequestMethod.GET)

    public String getCreateOffer(HttpServletRequest request, Model model) throws ProfitMandiBusinessException {

        LoginDetails loginDetails = cookiesProcessor.getCookiesObject(request);

        List<Integer> fofoIds = fofoStoreRepository.selectActiveStores().stream().map(x -> x.getId())

                .collect(Collectors.toList());

        Set<String> brands = brandsService.getBrandsToDisplay(3).stream().map(x -> x.getName()).collect(Collectors.toSet());

        brands.addAll(itemRepository.selectAllBrands(ProfitMandiConstants.LED_CATEGORY_ID));

        brands.addAll(itemRepository.selectAllBrands(ProfitMandiConstants.SMART_WATCH_CATEGORY_ID));

        //Lets allow demo

        brands.add("Live Demo");

        Map<Integer, CustomRetailer> customRetailerMap = retailerService.getAllFofoRetailers();

        Map<Integer, CustomRetailer> customRetailersMap = fofoIds.stream().map(x -> customRetailerMap.get(x))

                .filter(x -> x != null).collect(Collectors.toList()).stream()

                .collect(Collectors.toMap(x -> x.getPartnerId(), x -> x));

        model.addAttribute("customRetailersMap", customRetailersMap);

        model.addAttribute("itemCriteriaType", ItemCriteriaType.values());

        model.addAttribute("brands", brands);

        model.addAttribute("partnerCategories", PartnerType.values());

        model.addAttribute("warehouseRegion", ProfitMandiConstants.WAREHOUSE_MAP);

        return "scheme_offer";

    }

    @RequestMapping(value = "/createOffer", method = RequestMethod.POST)

    public String createOffer(HttpServletRequest request, @RequestBody CreateOfferRequest createOfferRequest,

                              Model model) throws Exception {

        LOGGER.info("createOfferRequest [{}]", createOfferRequest);

        offerService.addOfferService(createOfferRequest);

        oneDayCacheManager.getCache("allOffers").evict(YearMonth.from(createOfferRequest.getStartDate()));

        model.addAttribute("response1", mvcResponseSender.createResponseString(true));

        return "response";

    }

    @RequestMapping(value = "/offers/published", method = RequestMethod.GET)

    public String getPublishedOffers(HttpServletRequest request, @RequestParam int fofoId, Model model)

            throws Exception {

        LOGGER.info("Published");

        offerService.getPublishedOffers(fofoId, YearMonth.from(LocalDateTime.now()));

        return "scheme_offer/published";

    }

    @Value("${prod}")

    private boolean isProd;

    @RequestMapping(value = "/offer/active/{offerId}", method = RequestMethod.GET)

    public String activateOffer(HttpServletRequest request, @PathVariable(name = "offerId") String offerIdsString,

                                Model model, @RequestParam(defaultValue = "true") boolean active)

            throws ProfitMandiBusinessException, Exception {

        List<Integer> offerIds = Arrays.stream(offerIdsString.split(",")).map(x -> Integer.parseInt(x))

                .collect(Collectors.toList());

        List<Offer> offers = offerRepository.selectAllByIds(offerIds);

        //Consider only offers that have opposite status

        offers = offers.stream().filter(x -> x.isActive() != active).collect(Collectors.toList());

        Set<YearMonth> yearMonthsToEvict = new HashSet<>();

        for (Offer offer : offers) {

            offer.setActive(active);

            yearMonthsToEvict.add(YearMonth.from(offer.getStartDate()));

        }

        //Evict caches

        for (YearMonth ymToEvict : yearMonthsToEvict) {

            redisCacheManager.getCache("catalog.published_yearmonth").evict(ymToEvict);

            oneDayCacheManager.getCache("allOffers").evict(ymToEvict);

        }

        redisShortCacheManager.getCache("publishedOffersWithAchievement").clear();

        if (active) {

            for (Offer offer : offers) {

                this.sendNotification(offer);

            }

        }

        model.addAttribute("response1", mvcResponseSender.createResponseString(true));

        return "response";

    }

    @RequestMapping(value = "/offers/publishAll", method = RequestMethod.POST)

    public ResponseEntity<?> publishAllUnpublished(@RequestParam YearMonth yearMonth)

            throws ProfitMandiBusinessException, Exception {

        List<Offer> published = offerService.publishAllUnpublished(yearMonth);

        if (!published.isEmpty()) {

            redisCacheManager.getCache("catalog.published_yearmonth").evict(yearMonth);

            oneDayCacheManager.getCache("allOffers").evict(yearMonth);

            redisShortCacheManager.getCache("publishedOffersWithAchievement").clear();

            for (Offer offer : published) {

                this.sendNotification(offer);

            }

        }

        return responseSender.ok(published.size() + " offers published");

    }

    @RequestMapping(value = "/offer/delete/{offerId}", method = RequestMethod.DELETE)

    public ResponseEntity<?> deleteOffer(@PathVariable int offerId) throws ProfitMandiBusinessException {

        offerService.deleteOffer(offerId);

        return responseSender.ok(true);

    }

    @RequestMapping(value = "/offer/testimage/{offerId}", method = RequestMethod.GET)

    public String testOffer(HttpServletRequest request, @PathVariable int offerId, Model model,

                            @RequestParam(defaultValue = "true") boolean active) throws ProfitMandiBusinessException, Exception {

        Offer offer = offerRepository.selectById(offerId);

        // model.addAttribute("response1", mvcResponseSender.createResponseString(true));

        // return "response";

        CreateOfferRequest createOfferRequest = offerService.getCreateOfferRequest(offer);

        Map<String, Object> model1 = new HashMap<>();

        model1.put("offer", createOfferRequest);

        model1.put("lessThan", "<");

        String htmlContent = this.getContentFromTemplate("offer_margin_detail_notify", model1);

        model.addAttribute("response1", htmlContent);

        return "response";

    }

    private void sendNotification(Offer offer) throws Exception {

        if (!YearMonth.from(offer.getStartDate()).equals(YearMonth.now())) {

            return;

        }

        String fileName = "offer-" + offer.getId() + ".png";

        //String htmlFileName = fileName.replace("png", "html");

        CreateOfferRequest createOfferRequest = offerService.getCreateOfferRequest(offer);

        boolean isLiveDemo = createOfferRequest.getTargetSlabs().stream()

                .map(x -> x.getItemCriteriaPayouts())

                .flatMap(List::stream)

                .map(ItemCriteriaPayout::getItemCriteria)

                .map(ItemCriteria::getCatalogIds)

                .flatMap(List::stream)

                .anyMatch(catalogId -> catalogRepository.selectCatalogById(catalogId).getBrand().equals("Live Demo"));

        if (!isLiveDemo) {

            SendNotificationModel sendNotificationModel = new SendNotificationModel();

            sendNotificationModel.setCampaignName("SchemeOffer");

            sendNotificationModel.setTitle(offer.getName());

            sendNotificationModel.setMessage(createOfferRequest.getSchemeType().name() + " of select models, "

                    + FormattingUtils.formatDateMonth(offer.getStartDate()) + " to "

                    + FormattingUtils.formatDateMonth(offer.getEndDate()));

            sendNotificationModel.setType("url");

            String imageUrl = IMAGE_STATIC_SERVER_URL + "/" + "image" + LocalDate.now() + "/" + fileName;

            sendNotificationModel.setImageUrl(imageUrl);

            sendNotificationModel.setUrl("https://app.smartdukaan.com/pages/home/notifications");

            sendNotificationModel.setExpiresat(LocalDateTime.now().plusDays(1));

            sendNotificationModel.setMessageType(MessageType.scheme);

            //Map<Integer, List<Offer>> offersMap = offerRepository.selectAllPublishedMapByPartner(YearMonth.now());

            Map<String, InputStream> fileStreamsMap = new HashMap<>();

            Map<String, Object> model = new HashMap<>();

            model.put("offer", createOfferRequest);

            String htmlContent = this.getContentFromTemplate("offer_margin_detail_notify", model);

            LOGGER.info("this.getContentFromTemplate {}", htmlContent);

            fileStreamsMap.put(fileName, this.getImageBuffer(htmlContent));

            // fileStreamsMap.put(htmlFileName, new

            // ByteArrayInputStream(htmlContent.getBytes()));

            List<Integer> fofoIds = null;

            if (isProd) {

                this.uploadFile(fileStreamsMap);

            }

            List<Integer> fofoIdSet = new ArrayList<>(offerRepository.getEligibleFofoIds(offer));

            //LOGGER.info(fofoIdSet);

            List<Integer> userIds = userAccountRepository.selectUserIdsByRetailerIds(new ArrayList<>(fofoIdSet));

            sendNotificationModel.setUserIds(userIds);

            notificationService.sendNotification(sendNotificationModel);

            sendWhatsapp(offer, fofoIds, imageUrl);

        }

    }

    private void sendWhatsapp(Offer offer, List<Integer> fofoIds, String imageUrl) throws Exception {

        offerService.sendWhatsapp(offer, fofoIds, imageUrl);

    }

    private InputStream asInputStream(BufferedImage bi) throws Exception {

        ByteArrayOutputStream baos = new ByteArrayOutputStream();

        ImageIO.write(bi, "png", baos);

        return new ByteArrayInputStream(baos.toByteArray());

    }

    private ChannelSftp setupJsch() throws JSchException {

        JSch jsch = new JSch();

        Session jschSession = jsch.getSession("root", "172.105.58.16");

        // Session jschSession = jsch.getSession("root", "173.255.254.24");

        LOGGER.info("getClass().getResource(\"id_rsa\") {}",

                getClass().getClassLoader().getResource("id_rsa").getPath());

        jsch.addIdentity(getClass().getClassLoader().getResource("id_rsa").getPath());

        // jschSession.setPassword("spic@2015static0");

        jschSession.setConfig("StrictHostKeyChecking", "no");

        jschSession.connect();

        return (ChannelSftp) jschSession.openChannel("sftp");

    }

    private void fileUpload(ChannelSftp channelSftp, Map<String, InputStream> streamsFileMap, String destinationPath)

            throws SftpException, FileNotFoundException {

        channelSftp.cd(destinationPath);

        String folderName = "image" + LocalDate.now();

        channelSftp.cd(destinationPath);

        SftpATTRS attrs = null;

        // check if the directory is already existing

        try {

            attrs = channelSftp.stat(folderName);

        } catch (Exception e) {

            System.out.println(destinationPath + "/" + folderName + " not found");

        }

        // else create a directory

        if (attrs == null) {

            channelSftp.mkdir(folderName);

            channelSftp.chmod(0755, ".");

        }

        channelSftp.cd(folderName);

        for (Map.Entry<String, InputStream> streamsFileEntry : streamsFileMap.entrySet()) {

            channelSftp.put(streamsFileEntry.getValue(), streamsFileEntry.getKey(), ChannelSftp.OVERWRITE);

        }

    }

    private void uploadFile(Map<String, InputStream> fileStreamsMap) throws Exception {

        ChannelSftp channelSftp = setupJsch();

        channelSftp.connect();

        this.fileUpload(channelSftp, fileStreamsMap, IMAGE_REMOTE_DIR + "");

        channelSftp.exit();

    }

    private InputStream getImageBuffer(String html) throws Exception {

        String fileName = "/tmp/" + Instant.now().toEpochMilli();

        FileUtils.writeStringToFile(new File(fileName), html, "UTF-8");

        String address = "file:" + fileName;

        Java2DRenderer renderer = new Java2DRenderer(address, 400);

        RenderingHints hints = new RenderingHints(RenderingHints.KEY_COLOR_RENDERING,

                RenderingHints.VALUE_COLOR_RENDER_QUALITY);

        hints.add(new RenderingHints(RenderingHints.KEY_RENDERING, RenderingHints.VALUE_RENDER_QUALITY));

        hints.add(new RenderingHints(RenderingHints.KEY_ANTIALIASING, RenderingHints.VALUE_ANTIALIAS_ON));

        hints.add(new RenderingHints(RenderingHints.KEY_INTERPOLATION, RenderingHints.VALUE_INTERPOLATION_BICUBIC));

        renderer.setRenderingHints(hints);

        BufferedImage img = renderer.getImage();

        ByteArrayOutputStream os = new ByteArrayOutputStream();

        ImageIO.write(img, "png", os);

        return new ByteArrayInputStream(os.toByteArray());

    }

    private String getContentFromTemplate(String template, Map<String, Object> model) throws Exception {

        View resolvedView = viewResolver.resolveViewName(template, Locale.US);

        MockHttpServletResponse mockResp = new MockHttpServletResponse();

        MockHttpServletRequest req = new MockHttpServletRequest();

        LOGGER.info("Resolved view ->  {}, {}, {}, {}", resolvedView, model, req, mockResp);

        resolvedView.render(model, req, mockResp);

        return mockResp.getContentAsString();

    }

    @RequestMapping(value = "/offerHistory", method = RequestMethod.GET)

    public String getPaginatedOffers(HttpServletRequest request, @RequestParam YearMonth yearMonth, Model model)

            throws ProfitMandiBusinessException {

        List<CreateOfferRequest> publishedOffers = offerService.getAllOffers(yearMonth).values().stream()

                .sorted(Comparator.comparing(CreateOfferRequest::getId).reversed()).collect(Collectors.toList());

        model.addAttribute("offers", publishedOffers);

        model.addAttribute("yearMonth", yearMonth);

        model.addAttribute("currentMonth", yearMonth.equals(YearMonth.now()));

        return "offer_history";

    }

    @RequestMapping(value = "/offer-details", method = RequestMethod.GET)

    public String schemeDetails(HttpServletRequest request, @RequestParam int offerId, Model model)

            throws ProfitMandiBusinessException {

        CreateOfferRequest createOfferRequest = offerService.getOffer(0, offerId);

        model.addAttribute("offer", createOfferRequest);

        return "offer-details";

    }

    @RequestMapping(value = "/offer/process/{offerId}", method = RequestMethod.GET)

    public ResponseEntity<?> processOfferRequest(HttpServletRequest request, @PathVariable int offerId, Model model)

            throws Exception {

        CreateOfferRequest createOfferRequest = offerService.getOffer(0, offerId);

        if (!createOfferRequest.isActive()) {

            throw new ProfitMandiBusinessException("Offer not active", "Offer not active", "Offer not active");

        }

        if (createOfferRequest.getSchemeType().equals(OfferSchemeType.SELLIN)) {

            offerService.processSellin(createOfferRequest);

        } else if (createOfferRequest.getSchemeType().equals(OfferSchemeType.ACTIVATION)) {

            offerService.processActivationtOffer(createOfferRequest);

        }

        return responseSender.ok(true);

    }

    @RequestMapping(value = "/offerDownload", method = RequestMethod.GET)

    public ResponseEntity<?> dowloadOfferSummary(HttpServletRequest request, @RequestParam int offerId, Model model)

            throws Exception {

        final HttpHeaders headers = new HttpHeaders();

        headers.set("Content-Type", "application/vnd.openxmlformats-officedocument.spreadsheetml.sheet");

        headers.set("Content-disposition", "inline; filename=offer-" + offerId + ".csv");

        CreateOfferRequest createOfferRequest = offerService.getOffer(0, offerId);

        ByteArrayOutputStream baos = offerService.createCSVOfferReport(createOfferRequest);

        final InputStream inputStream = new ByteArrayInputStream(baos.toByteArray());

        final InputStreamResource inputStreamResource = new InputStreamResource(inputStream);

        return new ResponseEntity<>(inputStreamResource, headers, HttpStatus.OK);

    }

    @RequestMapping(value = "/offerById", method = RequestMethod.GET)

    public String offerById(HttpServletRequest request, int offerId, Model model) throws ProfitMandiBusinessException {

        Offer offer = offerRepository.selectById(offerId);

        model.addAttribute("offer", offer);

        return "offer-edit";

    }

    @RequestMapping(value = "/published-offers", method = RequestMethod.GET)

    public String publishedOffersOnMonthBefore(HttpServletRequest request, @RequestParam int yearMonth, @RequestParam(required = false, defaultValue = "") String brandFilter, Model model)

            throws ProfitMandiBusinessException {

        LOGGER.info("publishedOffersCalled");

        LoginDetails loginDetails = cookiesProcessor.getCookiesObject(request);

        int fofoId = loginDetails.getFofoId();

        List<CreateOfferRequest> createOffers = offerService.getPublishedOffers(fofoId,

                YearMonth.from(LocalDate.now()).minusMonths(yearMonth));

        List<CreateOfferRequest> publishedOffers = null;

        if (!brandFilter.isEmpty()) {

            publishedOffers = createOffers.stream()

                    .filter(createOffer -> createOffer.getTargetSlabs().stream()

                            .map(x -> x.getItemCriteriaPayouts())

                            .flatMap(List::stream)

                            .map(ItemCriteriaPayout::getItemCriteria)

                            .map(ItemCriteria::getBrands)

                            .flatMap(List::stream)

                            .anyMatch(brand -> brand.equals(brandFilter)))

                    .collect(Collectors.toList());

        } else {

            publishedOffers = createOffers.stream().filter(createOffer -> createOffer.getTargetSlabs().stream()

                    .map(x -> x.getItemCriteriaPayouts())

                    .flatMap(List::stream)

                    .map(ItemCriteriaPayout::getItemCriteria)

                    .map(ItemCriteria::getCatalogIds)

                    .flatMap(List::stream)

                    .noneMatch(catalogId -> catalogRepository.selectCatalogById(catalogId).getBrand().equals("Live Demo"))).collect(Collectors.toList());

        }

        model.addAttribute("publishedOffers", publishedOffers);

        return "published-offers";

    }

    @PostMapping(value = "/offers/upload")

    public String uploadOffers(HttpServletRequest request, @RequestPart("file") MultipartFile targetFile, Model model)

            throws Exception {

        offerService.createOffers(targetFile.getInputStream());

        model.addAttribute("response1", true);

        return "response";

    }

    @RequestMapping(value = "/getOfferMargins", method = RequestMethod.GET)

    public String getOfferMargins(HttpServletRequest request,

                                  @RequestParam(name = "offerId", defaultValue = "0") int offerId, Model model) throws Exception {

        LoginDetails loginDetails = cookiesProcessor.getCookiesObject(request);

        boolean isAdmin = roleManager.isAdmin(loginDetails.getRoleIds());

        CreateOfferRequest createOfferRequest = offerService.getOffer(isAdmin ? 0 : loginDetails.getFofoId(), offerId);

        model.addAttribute("offer", createOfferRequest);

        model.addAttribute("isAdmin", isAdmin);

        return "offer_margin_detail_partner";

    }

    @RequestMapping(value = "/todayOffer")

    public String todayOffer(HttpServletRequest request, Model model, @RequestParam(name = "fofoId", defaultValue = "0") int fofoId) throws ProfitMandiBusinessException {

        LoginDetails loginDetails = cookiesProcessor.getCookiesObject(request);

        if (fofoId == 0) {

            fofoId = loginDetails.getFofoId();

        }

        List<BrandCatalog> allBrands = brandsService.getBrandsToDisplay(3);

        // 1. IDs to exclude entirely

        List<Integer> excludedIds = Arrays.asList(132, 133, 28, 17, 125);

        // 2. Brands that must come first (in this specific order)

        List<String> priorityOrder = Arrays.asList("Samsung", "Oppo", "Vivo", "Xiaomi", "Realme");

        List<BrandCatalog> sortedBrands = allBrands.stream()

                .filter(brand -> !excludedIds.contains(brand.getId())) // Remove excluded

                .sorted((b1, b2) -> {

                    // Get the index of the brand name in our priority list

                    int index1 = priorityOrder.indexOf(b1.getName());

                    int index2 = priorityOrder.indexOf(b2.getName());

                    // If brand is NOT in priority list, give it a high index (move to bottom)

                    int p1 = (index1 != -1) ? index1 : Integer.MAX_VALUE;

                    int p2 = (index2 != -1) ? index2 : Integer.MAX_VALUE;

                    if (p1 != p2) {

                        return Integer.compare(p1, p2); // Sort by priority first

                    }

                    // If both are "Others", sort them alphabetically

                    return b1.getName().compareToIgnoreCase(b2.getName());

                })

                .collect(Collectors.toList());

        model.addAttribute("brands", sortedBrands);

        model.addAttribute("fofoId", fofoId);

        model.addAttribute("date", FormattingUtils.format(LocalDateTime.now()));

        return "today-offer";

    }

    @RequestMapping(value = "/todayOfferList")

    public String todayOfferList(HttpServletRequest request, Model model, @RequestParam String brand, @RequestParam(defaultValue = "0", required = false) int fofoId) throws ProfitMandiBusinessException {

        LoginDetails loginDetails = cookiesProcessor.getCookiesObject(request);

        if (fofoId == 0) {

            fofoId = loginDetails.getFofoId();

        }

        List<String> brands = brandsService.getBrandsToDisplay(3).stream().map(x -> x.getName()).collect(Collectors.toList());

        List<TodayOfferModel> todayOfferModels = todayOfferService.findAllTodayOffer(brand, fofoId);

        List<TodayOfferModel> groupedOffers = todayOfferService.groupSameOffers(todayOfferModels);

        model.addAttribute("brands", brands);

        model.addAttribute("fofoId", fofoId);

        model.addAttribute("todayOfferModels", todayOfferModels);

        model.addAttribute("groupedOffers", groupedOffers);

        return "today-offer-list";

    }

    @RequestMapping(value = "/todayFofoOffer")

    public String todayFofoOffer(HttpServletRequest request, Model model, @RequestParam(name = "fofoId", defaultValue = "0") int fofoId) throws ProfitMandiBusinessException {

        LoginDetails loginDetails = cookiesProcessor.getCookiesObject(request);

        if (fofoId == 0) {

            fofoId = loginDetails.getFofoId();

        }

        List<BrandCatalog> allBrands = brandsService.getBrandsToDisplay(3);

        // 1. IDs to exclude entirely

        List<Integer> excludedIds = Arrays.asList(132, 133, 28, 17, 125);

        // 2. Brands that must come first (in this specific order)

        List<String> priorityOrder = Arrays.asList("Samsung", "Oppo", "Vivo", "Xiaomi", "Realme");

        List<BrandCatalog> sortedBrands = allBrands.stream()

                .filter(brand -> !excludedIds.contains(brand.getId())) // Remove excluded

                .sorted((b1, b2) -> {

                    // Get the index of the brand name in our priority list

                    int index1 = priorityOrder.indexOf(b1.getName());

                    int index2 = priorityOrder.indexOf(b2.getName());

                    // If brand is NOT in priority list, give it a high index (move to bottom)

                    int p1 = (index1 != -1) ? index1 : Integer.MAX_VALUE;

                    int p2 = (index2 != -1) ? index2 : Integer.MAX_VALUE;

                    if (p1 != p2) {

                        return Integer.compare(p1, p2); // Sort by priority first

                    }

                    // If both are "Others", sort them alphabetically

                    return b1.getName().compareToIgnoreCase(b2.getName());

                })

                .collect(Collectors.toList());

        model.addAttribute("brands", sortedBrands);

        model.addAttribute("fofoId", fofoId);

        model.addAttribute("date", FormattingUtils.format(LocalDateTime.now()));

        return "today-fofo-offer";

    }

    // ===== Offer Partner & Target Management (Admin Only) =====

    @RequestMapping(value = "/offer/partners", method = RequestMethod.GET)

    public String getOfferPartners(HttpServletRequest request, @RequestParam int offerId, Model model) throws Exception {

        LoginDetails loginDetails = cookiesProcessor.getCookiesObject(request);

        if (!roleManager.isAdmin(loginDetails.getRoleIds())) {

            throw new ProfitMandiBusinessException("Unauthorized", "Unauthorized", "");

        }

        CreateOfferRequest offer = offerService.getOffer(0, offerId);

        Map<Integer, CustomRetailer> customRetailerMap = retailerService.getAllFofoRetailers();

        // Partners are stored in partner_criteria JSON, not in offer_partners table

        List<Integer> partnerFofoIds = offer.getPartnerCriteria() != null

                ? offer.getPartnerCriteria().getFofoIds() : new ArrayList<>();

        if (partnerFofoIds == null) partnerFofoIds = new ArrayList<>();

        List<Integer> allFofoIds = fofoStoreRepository.selectActiveStores().stream()

                .map(x -> x.getId()).collect(Collectors.toList());

        Map<Integer, CustomRetailer> allRetailersMap = allFofoIds.stream()

                .map(id -> customRetailerMap.get(id))

                .filter(x -> x != null)

                .collect(Collectors.toMap(CustomRetailer::getPartnerId, x -> x));

        model.addAttribute("offer", offer);

        model.addAttribute("offerId", offerId);

        model.addAttribute("partnerFofoIds", partnerFofoIds);

        model.addAttribute("customRetailerMap", customRetailerMap);

        model.addAttribute("allRetailersMap", allRetailersMap);

        return "offer_partners";

    }

    @RequestMapping(value = "/offer/removePartners", method = RequestMethod.POST)

    public ResponseEntity<?> removePartnersFromOffer(HttpServletRequest request,

            @RequestParam int offerId, @RequestParam List<Integer> fofoIds,

            @RequestParam(required = false, defaultValue = "false") boolean createNewOffer,

            @RequestParam(required = false) List<Integer> targets) throws Exception {

        LoginDetails loginDetails = cookiesProcessor.getCookiesObject(request);

        if (!roleManager.isAdmin(loginDetails.getRoleIds())) {

            throw new ProfitMandiBusinessException("Unauthorized", "Unauthorized", "");

        }

        Offer offer = offerRepository.selectById(offerId);

        YearMonth ym = YearMonth.from(offer.getStartDate());

        offerService.removePartnersFromOffer(offerId, fofoIds);

        Integer newOfferId = null;

        String message;

        if (createNewOffer && targets != null && !targets.isEmpty()) {

            newOfferId = offerService.cloneOfferForPartners(offerId, fofoIds, targets);

            message = "Partner(s) removed from Offer #" + offerId + ". New Offer #" + newOfferId + " created (Unpublished).";

        } else {

            message = "Partner(s) removed from Offer #" + offerId + ".";

        }

        oneDayCacheManager.getCache("allOffers").evict(ym);

        redisCacheManager.getCache("catalog.published_yearmonth").evict(ym);

        redisShortCacheManager.getCache("publishedOffersWithAchievement").clear();

        // Evict partnerOffers cache for removed partners + admin view

        for (Integer fofoId : fofoIds) {

            thirtyMinsTimeOutCacheManager.getCache("partnerOffers").evict(new SimpleKey(fofoId, offerId));

        }

        thirtyMinsTimeOutCacheManager.getCache("partnerOffers").evict(new SimpleKey(0, offerId));

        Map<String, Object> response = new HashMap<>();

        response.put("message", message);

        response.put("newOfferId", newOfferId);

        response.put("yearMonth", ym.toString());

        return responseSender.ok(response);

    }

    @RequestMapping(value = "/offer/addPartners", method = RequestMethod.POST)

    public ResponseEntity<?> addPartnersToOffer(HttpServletRequest request,

            @RequestParam int offerId, @RequestParam List<Integer> fofoIds) throws Exception {

        LoginDetails loginDetails = cookiesProcessor.getCookiesObject(request);

        if (!roleManager.isAdmin(loginDetails.getRoleIds())) {

            throw new ProfitMandiBusinessException("Unauthorized", "Unauthorized", "");

        }

        offerService.addPartnersToOffer(offerId, fofoIds);

        Offer offer = offerRepository.selectById(offerId);

        YearMonth ym = YearMonth.from(offer.getStartDate());

        oneDayCacheManager.getCache("allOffers").evict(ym);

        redisCacheManager.getCache("catalog.published_yearmonth").evict(ym);

        redisShortCacheManager.getCache("publishedOffersWithAchievement").clear();

        // Evict partnerOffers cache for added partners + admin view

        for (Integer fofoId : fofoIds) {

            thirtyMinsTimeOutCacheManager.getCache("partnerOffers").evict(new SimpleKey(fofoId, offerId));

        }

        thirtyMinsTimeOutCacheManager.getCache("partnerOffers").evict(new SimpleKey(0, offerId));

        Map<String, Object> response = new HashMap<>();

        response.put("message", "Partner(s) added to Offer #" + offerId + ".");

        response.put("yearMonth", ym.toString());

        return responseSender.ok(response);

    }

    @RequestMapping(value = "/offer/updateTargets", method = RequestMethod.POST)

    public ResponseEntity<?> updateOfferTargets(HttpServletRequest request,

            @RequestParam int offerId, @RequestParam List<Integer> targets) throws Exception {

        LoginDetails loginDetails = cookiesProcessor.getCookiesObject(request);

        if (!roleManager.isAdmin(loginDetails.getRoleIds())) {

            throw new ProfitMandiBusinessException("Unauthorized", "Unauthorized", "");

        }

        offerService.updateOfferTargets(offerId, targets);

        Offer offer = offerRepository.selectById(offerId);

        YearMonth ym = YearMonth.from(offer.getStartDate());

        oneDayCacheManager.getCache("allOffers").evict(ym);

        redisCacheManager.getCache("catalog.published_yearmonth").evict(ym);

        redisShortCacheManager.getCache("publishedOffersWithAchievement").clear();

        // Evict partnerOffers cache for all partners of this offer + admin view

        PartnerCriteria partnerCriteria = new Gson().fromJson(offer.getPartnerCriteria(), PartnerCriteria.class);

        if (partnerCriteria != null && partnerCriteria.getFofoIds() != null) {

            for (Integer fofoId : partnerCriteria.getFofoIds()) {

                thirtyMinsTimeOutCacheManager.getCache("partnerOffers").evict(new SimpleKey(fofoId, offerId));

            }

        }

        thirtyMinsTimeOutCacheManager.getCache("partnerOffers").evict(new SimpleKey(0, offerId));

        return responseSender.ok("Targets updated for Offer #" + offerId);

    }

}