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package com.spice.profitmandi.dao.service.solr;

import com.google.gson.Gson;
import com.spice.profitmandi.common.exception.ProfitMandiBusinessException;
import com.spice.profitmandi.dao.entity.catalog.TagListing;
import com.spice.profitmandi.dao.entity.catalog.TagRanking;
import com.spice.profitmandi.dao.entity.dtr.WebProductListing;
import com.spice.profitmandi.dao.repository.catalog.TagListingRepository;
import com.spice.profitmandi.dao.repository.catalog.TagRankingRepository;
import com.spice.profitmandi.dao.repository.dtr.Mongo;
import com.spice.profitmandi.dao.repository.dtr.WebListingRepository;
import com.spice.profitmandi.dao.repository.dtr.WebProductListingRepository;
import com.spice.profitmandi.service.tag.ItemTagModel;
import in.shop2020.model.v1.catalog.status;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.apache.solr.client.solrj.SolrClient;
import org.apache.solr.client.solrj.impl.HttpSolrClient;
import org.apache.solr.common.SolrInputDocument;
import org.json.JSONArray;
import org.json.JSONException;
import org.json.JSONObject;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.beans.factory.annotation.Value;
import org.springframework.stereotype.Component;

import java.io.BufferedReader;
import java.io.IOException;
import java.io.InputStream;
import java.io.InputStreamReader;
import java.net.HttpURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.time.ZoneId;
import java.util.*;
import java.util.Map.Entry;
import java.util.stream.Collectors;
import java.util.zip.GZIPInputStream;

@Component
public class FofoSolr {

        @Autowired
        private Gson gson;

        @Autowired
        private TagListingRepository tagListingRepository;

        @Autowired
        TagRankingRepository tagRankingRepository;

        @Autowired
        private Mongo contentMongoClient;

        @Autowired
        private WebListingRepository webListingRepository;

        @Autowired
        private WebProductListingRepository webProductListingRepository;

        @Value("${new.solr.url}")
        private String solrUrl;

        @Value("${reportico.url}")
        private String reporticoUrl;

        private static final Logger logger = LogManager.getLogger(FofoSolr.class);

        private static final List<Integer> CATEGORY_MASTER = Arrays.asList(10006, 10010, 14202, 14203);

        String solrPath = "http://" + solrUrl + ":8984/solr/demo";
        String mongoHost = "localhost";
        SolrClient solr = new HttpSolrClient.Builder(solrPath).build();

        private String getAvailabilityJSON() {
                String url = reporticoUrl + "?execute_mode=EXECUTE&xmlin=warehousecisnew.xml&project=FOCOR&project_password=focor&target_format=JSON";
                return getUrlContent(url);
        }

        private String getPendingPOJSON() {
                String url = reporticoUrl + "?execute_mode=EXECUTE&xmlin=UnfulfilledPOItemsNew.xml&project=FOCOR&project_password=focor&target_format=JSON";
                return getUrlContent(url);
        }

        private static String getUrlContent(String urlString) {
                BufferedReader reader = null;
                try {
                        URL url = new URL(urlString);
                        URLConnection conn = url.openConnection();
                        conn.setConnectTimeout(5000);
                        conn.setReadTimeout(5000);
                        reader = new BufferedReader(new InputStreamReader(conn.getInputStream()));
                        return reader.lines().collect(Collectors.joining(System.lineSeparator()));
                } catch (IOException e) {
                        e.printStackTrace();
                } finally {
                        if (reader != null) {
                                try {
                                        reader.close();
                                } catch (IOException e) {
                                        e.printStackTrace();
                                }
                        }
                }
                return null;
        }

        public JSONArray getAvailability() throws IOException, JSONException {
                String url = reporticoUrl + "?execute_mode=EXECUTE&xmlin=warehousecisnew.xml&project=FOCOR&project_password=focor&target_format=JSON";
                HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
                connection.setRequestProperty("Accept-Encoding", "gzip");
                BufferedReader reader = null;

                try {
                        InputStream inputStream = connection.getInputStream();

                        if ("gzip".equals(connection.getContentEncoding())) {
                                inputStream = new GZIPInputStream(inputStream);
                        }

                        reader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
                        StringBuilder responseBuilder = new StringBuilder();
                        String line;

                        while ((line = reader.readLine()) != null) {
                                responseBuilder.append(line);
                        }

                        JSONObject responseJson = new JSONObject(responseBuilder.toString());
                        return responseJson.getJSONArray("data");
                } finally {
                        if (reader != null) {
                                try {
                                        reader.close();
                                } catch (IOException e) {
                                        // Ignore
                                }
                        }
                }
        }

        public JSONArray getPendingPO() throws IOException, JSONException {
                String url = reporticoUrl+"?execute_mode=EXECUTE&xmlin=UnfulfilledPOItemsNew.xml&project=FOCOR&project_password=focor&target_format=JSON";
                HttpURLConnection connection = (HttpURLConnection) new URL(url).openConnection();
                connection.setRequestProperty("Accept-Encoding", "gzip");
                BufferedReader reader = null;

                try {
                        InputStream inputStream = connection.getInputStream();

                        if ("gzip".equals(connection.getContentEncoding())) {
                                inputStream = new GZIPInputStream(inputStream);
                        }

                        reader = new BufferedReader(new InputStreamReader(inputStream, "UTF-8"));
                        StringBuilder responseBuilder = new StringBuilder();
                        String line;

                        while ((line = reader.readLine()) != null) {
                                responseBuilder.append(line);
                        }

                        JSONObject responseJson = new JSONObject(responseBuilder.toString());
                        return responseJson.getJSONArray("data");
                } finally {
                        if (reader != null) {
                                try {
                                        reader.close();
                                } catch (IOException e) {
                                        // Ignore
                                }
                        }
                }
        }

        public Map<String, Map<String, Map<String, Integer>>> getItemMap() throws Exception {
                JSONArray availabilityJSONArray = this.getAvailability();
                JSONArray pendingPOJSONArray = this.getPendingPO();
                Map<String, Map<String, Map<String, Integer>>> availabilityItemMap = new HashMap<>();

                for (int i = 0; i < availabilityJSONArray.length(); i++) {
                        JSONObject rawAvailability = availabilityJSONArray.getJSONObject(i);
                        if (!availabilityItemMap.containsKey(rawAvailability.getString("Itemid"))) {
                                availabilityItemMap.put(rawAvailability.getString("Itemid"),
                                                new HashMap<String, Map<String, Integer>>());
                        }
                        if (!availabilityItemMap.get(rawAvailability.getString("Itemid"))
                                        .containsKey(rawAvailability.getString("Warehouseid"))) {
                                availabilityItemMap.get(rawAvailability.getString("Itemid"))
                                                .put(rawAvailability.getString("Warehouseid"), new HashMap<String, Integer>());
                                availabilityItemMap.get(rawAvailability.getString("Itemid"))
                                                .get(rawAvailability.getString("Warehouseid")).put("netAvailability", 0);
                                availabilityItemMap.get(rawAvailability.getString("Itemid"))
                                                .get(rawAvailability.getString("Warehouseid")).put("netPo", 0);
                        }
                        int netAvailability = availabilityItemMap.get(rawAvailability.getString("Itemid"))
                                        .get(rawAvailability.getString("Warehouseid")).get("netAvailability")
                                        + rawAvailability.getInt("Netavailability");
                        availabilityItemMap.get(rawAvailability.getString("Itemid")).get(rawAvailability.getString("Warehouseid"))
                                        .put("netAvailability", netAvailability);
                }

                for (int i = 0; i < pendingPOJSONArray.length(); i++) {
                        JSONObject rawPendingPo = pendingPOJSONArray.getJSONObject(i);

                        String itemId = rawPendingPo.getString("Itemid");
                        String warehouseId = rawPendingPo.getString("Warehouseid");
                        if (!availabilityItemMap.containsKey(itemId)) {
                                availabilityItemMap.put(itemId, new HashMap<String, Map<String, Integer>>());
                        }
                        if (!availabilityItemMap.get(itemId).containsKey(warehouseId)) {
                                availabilityItemMap.get(itemId).put(warehouseId, new HashMap<String, Integer>() {
                                        {
                                                put("netAvailability", 0);
                                                put("netPo", 0);
                                        }
                                });
                        }
                        availabilityItemMap.get(itemId).get(warehouseId).put("netPo",
                                        availabilityItemMap.get(itemId).get(warehouseId).get("netPo") + rawPendingPo.getInt("Unfulfilled"));

                }
                return availabilityItemMap;

        }

    public Map<Integer, List<String>> getLabels() throws ProfitMandiBusinessException {
                List<String> labels = Arrays.asList("partner-best-sellers", "partner-price-drop", "new-launches",
                                "upgrade-offer", "special-support");

                Map<Integer, String> webListing = webListingRepository.selectByUrls(labels).stream()
                                .collect(Collectors.toMap(x -> x.getId(), x -> x.getUrl()));

                Map<Integer, List<WebProductListing>> webProductListingMap = webProductListingRepository
                                .selectAllByWebListingIds(new ArrayList<>(webListing.keySet())).stream()
                                .collect(Collectors.groupingBy(x -> x.getWebListingId()));

                Map<Integer, List<String>> catalogLabelMap = new HashMap<>();
                for (Entry<Integer, List<WebProductListing>> webProductListingEntry : webProductListingMap.entrySet()) {

                        for (WebProductListing webProduct : webProductListingEntry.getValue()) {

                                if (!catalogLabelMap.containsKey(webProduct.getEntityId())) {

                                        catalogLabelMap.put(webProduct.getEntityId(), new ArrayList<>());

                                }

                                List<String> itemLabels = catalogLabelMap.get(webProduct.getEntityId());
                                itemLabels.add(webListing.get(webProduct.getWebListingId()));
                                catalogLabelMap.put(webProduct.getEntityId(), itemLabels);

                        }

                }

                return catalogLabelMap;
        }

        public void populateTagItems() throws Exception {
                Map<String, Map<String, Map<String, Integer>>> availabilityItemMap = getItemMap();
                List<TagRanking> tagRankingList = tagRankingRepository.getAllTagRanking();
                List<Integer> rankingList = new ArrayList<>();
                Map<Integer, String> featureMap = new HashMap<>();
                for (TagRanking tagRanking : tagRankingList) {
                        rankingList.add(tagRanking.getCatalogItemId());
                        featureMap.put(tagRanking.getCatalogItemId(), tagRanking.getFeature());
                }
                Map<Integer, Map<String, Object>> catalogMap = new HashMap<>();

                List<status> statuses = Arrays.asList(status.ACTIVE, status.PAUSED_BY_RISK, status.PARTIALLY_ACTIVE);

                Map<Integer, List<String>> catalogLabelMap = this.getLabels();

                logger.info("catalogLabelMap {}", catalogLabelMap);

                /*
                 * List<ItemTagModel> tuples =
                 * tagListingRepository.getAllItemTagByStatus(statuses).stream() .filter(x ->
                 * x.getItem().getCatalogItemId() == 1023747).collect(Collectors.toList());
                 */

                List<ItemTagModel> tuples = tagListingRepository.getAllItemTagByStatus(statuses);

                Map<String, Object> projection = new HashMap<>();
                projection.put("defaultImageUrl", 1);

                List<String> excludeBrands = Arrays.asList("Dummy", "FOC HANDSET");

                for (ItemTagModel result : tuples) {
                        TagListing tag = result.getTagListing();
                        com.spice.profitmandi.dao.entity.catalog.Item item = result.getItem();
                        if (excludeBrands.contains(item.getBrand())) {
                                continue;
                        }

                        if (!catalogMap.containsKey(item.getCatalogItemId())) {
                                Map<String, Object> catalogObj = new HashMap<>();
                                catalogObj.put("feature", "");
                                catalogObj.put("hsnCode", item.getHsnCode());
                                catalogObj.put("title",
                                                String.join(" ", Arrays.asList(item.getBrand(), item.getModelName(), item.getModelNumber())
                                                                .stream().filter(s -> s != null && !s.isEmpty()).collect(Collectors.toList())));
                                catalogObj.put("brand", new String[] { item.getBrand() });
                                if (item.getBrand().equals("Huawei") || item.getBrand().equals("Honor")) {
                                        catalogObj.put("brand", new String[] { "Huawei", "Honor" });
                                }
                                if (item.getBrand().equals("Mi") || item.getBrand().equals("Xiaomi")
                                                || item.getBrand().equals("Redmi")) {
                                        catalogObj.put("brand", new String[] { "Mi", "Xiaomi", "Redmi" });
                                }
                                catalogObj.put("identifier", item.getCatalogItemId());
                                catalogObj.put("items", new HashMap<Integer, Map<String, Object>>());
                                Map<String, Object> filterMap = new HashMap<>();
                                filterMap.put("_id", item.getCatalogItemId());
                                // Don't include if catalog not available
                                try {
                                        String imageUrl = contentMongoClient.getEntityById(item.getCatalogItemId()).getDefaultImageUrl();

                                        if (imageUrl != null) {
                                                catalogObj.put("imageUrl", imageUrl);
                                        } else {
                                                catalogObj.put("imageUrl",
                                                                "https://images.smartdukaan.com/uploads/campaigns/" + item.getCatalogItemId() + ".jpg");
                                        }
                                } catch (Exception e) {
                                        try {
                                                catalogObj.put("imageUrl",
                                                                "https://images.smartdukaan.com/uploads/campaigns/" + item.getCatalogItemId() + ".jpg");
                                        } catch (Exception e2) {
                                                e2.printStackTrace();
                                        }
                                }
                                try {
                                        catalogObj.put("rank", rankingList.indexOf(item.getCatalogItemId()));
                                } catch (Exception e) {
                                        // A very big number
                                        e.printStackTrace();
                                        catalogObj.put("rank", 50000000);
                                }
                                if (featureMap.containsKey(item.getCatalogItemId())
                                                && featureMap.get(item.getCatalogItemId()) != null) {
                                        catalogObj.put("feature", featureMap.get(item.getCatalogItemId()));

                                }

                                catalogObj.put("categoryId", CATEGORY_MASTER.contains(item.getCategoryId()) ? item.getCategoryId() : 6);

                                if (item.getCategoryId() == 10006) {
                                        catalogObj.put("categoryId", 3);
                                }
                                catalogObj.put("subCategoryId", item.getCategoryId());
                                catalogObj.put("create_timestamp",
                                                tag.getCreatedTimestamp().atZone(ZoneId.systemDefault()).toInstant().toEpochMilli());

                                if (catalogLabelMap.containsKey(item.getCatalogItemId())
                                                && catalogLabelMap.get(item.getCatalogItemId()) != null) {
                                        catalogObj.put("labels", catalogLabelMap.get(item.getCatalogItemId()));

                                }
                                catalogMap.put(item.getCatalogItemId(), catalogObj);
                                catalogObj.put("avColor", new HashMap<>());

                        }

                        Map<String, Object> catalogObj = catalogMap.get(item.getCatalogItemId());
                        Map<Integer, Integer> avColorMap = (Map<Integer, Integer>) catalogObj.get("avColor");

                        if (availabilityItemMap.containsKey(String.valueOf(item.getId()))) {
                                for (Map.Entry<String, Map<String, Integer>> entry : availabilityItemMap
                                                .get(String.valueOf(item.getId())).entrySet()) {
                                        String warehouseId = entry.getKey();
                                        Map<String, Integer> avMap = entry.getValue();
                                        if (!avColorMap.containsKey(Integer.parseInt(warehouseId))) {
                                                avColorMap.put(Integer.parseInt(warehouseId), 0);
                                        }
                                        int color = avColorMap.get(Integer.parseInt(warehouseId));

                                        if (avMap.get("netAvailability") > 0) {
                                                color = 2;
                                        } else if (avMap.get("netAvailability") + avMap.get("netPo") > 0) {
                                                color = Math.max(color, 1);
                                        } else {
                                                color = Math.max(color, 0);
                                        }
                                        avColorMap.put(Integer.parseInt(warehouseId), color);

                                        catalogObj.put("avColor", avColorMap);

                                }

                        }

                        Map<Integer, Object> itemColorMap = (Map<Integer, Object>) catalogObj.get("items");

                        if (!itemColorMap.containsKey(item.getId())) {
                                itemColorMap.put(item.getId(), new HashMap<String, Object>() {
                                        {
                                                put("color", item.getColor().replace("f_", ""));
                                                put("tagPricing", new ArrayList<TagListing>());
                                        }
                                });
                        }
                        Map<String, Object> itemMap = (Map<String, Object>) itemColorMap.get(item.getId());
                        List<TagListing> tagPricing = (List<TagListing>) itemMap.get("tagPricing");
                        tagPricing.add(tag);
                }

                logger.info("catalogObj {}", catalogMap);
                List<SolrInputDocument> catalogSolrObjs = new ArrayList<>();
                for (Entry<Integer, Map<String, Object>> entry : catalogMap.entrySet()) {
                        int catalogId = entry.getKey();
                        Map<String, Object> catalogValMap = entry.getValue();
                        Map<Integer, Object> itemsMap = (Map<Integer, Object>) catalogValMap.get("items");

                        boolean active = false;
                        // Map<Integer, Object> itemsMap = (Map<String, Object>)
                        // catalogValMap.get("items");
                        List<SolrInputDocument> itemObjs = new ArrayList<>();
                        float mop = 0;

                        for (Entry<Integer, Object> itemEntry : itemsMap.entrySet()) {
                                int itemId = itemEntry.getKey();
                                Map<String, Object> itemMap = (Map<String, Object>) itemEntry.getValue();
                                List<TagListing> tags = (List<TagListing>) itemMap.get("tagPricing");
                                SolrInputDocument itemObj = new SolrInputDocument();

                                for (TagListing taglist : tags) {
                                        active = active || (Boolean) taglist.isActive();
                                        itemObj.setField("id", "itemtag-" + itemId + "-" + taglist.getTagId());
                                        itemObj.setField("color_s", itemMap.get("color"));
                                        itemObj.setField("itemId_i", itemId);
                                        itemObj.setField("tagId_i", taglist.getTagId());
                                        itemObj.setField("mrp_f", taglist.getMrp());
                                        itemObj.setField("mop_f", taglist.getMop());
                                        itemObj.setField("sellingPrice_f", taglist.getSellingPrice());
                                        itemObj.setField("active_b", taglist.isActive());
                                        itemObj.setField("hot_deal_b", taglist.isHotDeals());
                                        mop = taglist.getMop();

                                }

                                itemObjs.add(itemObj);
                        }

                        logger.info("catalogValMap {}", catalogValMap);

                        logger.info("rank {}", catalogValMap.get("rank"));

                        SolrInputDocument catalogSolrObj = new SolrInputDocument();

                        catalogSolrObj.setField("id", "catalog" + catalogId);
                        catalogSolrObj.setField("rank_i", catalogValMap.get("rank"));
                        catalogSolrObj.setField("title_s", catalogValMap.get("title"));
                        // catalogSolrObj.setField("_childDocuments_", itemObjs);
                        catalogSolrObj.addChildDocuments(itemObjs);
                        catalogSolrObj.setField("child_b", itemObjs.size() > 0);
                        catalogSolrObj.setField("catalogId_i", catalogId);
                        catalogSolrObj.setField("imageUrl_s",
                                        catalogValMap.get("imageUrl").toString().replace("saholic", "smartdukaan"));
                        catalogSolrObj.setField("feature_s", catalogValMap.get("feature"));
                        catalogSolrObj.setField("brand_ss", catalogValMap.get("brand"));
                        catalogSolrObj.setField("create_s", catalogValMap.get("create_timestamp"));
                        catalogSolrObj.setField("categoryId_i", catalogValMap.get("categoryId"));
                        catalogSolrObj.setField("subCategoryId_i", catalogValMap.get("subCategoryId"));
                        catalogSolrObj.setField("label_ss", catalogValMap.get("labels"));
                        catalogSolrObj.setField("w7573_i", 0);
                        catalogSolrObj.setField("w7678_i", 0);
                        catalogSolrObj.setField("w7720_i", 0);
                        catalogSolrObj.setField("w8468_i", 0);
                        catalogSolrObj.setField("w8889_i", 0);
                        catalogSolrObj.setField("w8947_i", 0);
                        catalogSolrObj.setField("w9213_i", 0);
                        catalogSolrObj.setField("w9203_i", 0);
                        catalogSolrObj.setField("mop_f", mop);
                        catalogSolrObj.setField("hsncode_s", catalogValMap.get("hsnCode"));
                        catalogSolrObj.setField("show_default_b", true);

                        String[] brands = (String[]) catalogValMap.get("brand");
                        for (String brand : brands) {
                                if (brand.equals("FOC")) {
                                        catalogSolrObj.setField("show_default_b", false);

                                }

                                if (brand.equals("Live Demo")) {
                                        catalogSolrObj.setField("show_default_b", false);

                                }
                        }
                        Map<Integer, Integer> avColorMap = (Map<Integer, Integer>) catalogValMap.get("avColor");

                        for (Entry<Integer, Integer> avColorEntry : avColorMap.entrySet()) {
                                int whId = avColorEntry.getKey();
                                int color = (int) avColorEntry.getValue();
                                catalogSolrObj.setField("w" + whId + "_i", color);
                        }
                        catalogSolrObj.setField("active_b", active);
                        logger.info("catalogSolrObj {}", catalogSolrObj.get("rank_i"));
                        catalogSolrObjs.add(catalogSolrObj);

                }

                logger.info("catalogSolrObjs {}", catalogSolrObjs);
                solr.deleteByQuery("*:*");
                solr.add(catalogSolrObjs);

                org.apache.solr.client.solrj.response.UpdateResponse updateResponse = solr.commit();
                logger.info("solr {}", updateResponse.getStatus());

        }

        public void pushData() throws Exception {
                this.populateTagItems();
        }
}