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package com.spice.profitmandi.dao.service;

import com.spice.profitmandi.common.exception.ProfitMandiBusinessException;
import com.spice.profitmandi.common.model.ProfitMandiConstants;
import com.spice.profitmandi.dao.entity.auth.AuthUser;
import com.spice.profitmandi.dao.enumuration.cs.EscalationType;
import com.spice.profitmandi.dao.model.WarehouseItemAgeingModel;
import com.spice.profitmandi.dao.model.purchaseSaleRatio.CatalogAgedModel;
import com.spice.profitmandi.dao.repository.auth.AuthRepository;
import com.spice.profitmandi.dao.repository.cs.CsService;
import com.spice.profitmandi.dao.repository.warehouse.WarehouseSupplierInvoiceRepository;
import com.spice.profitmandi.service.AuthService;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.Logger;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.mail.javamail.JavaMailSender;
import org.springframework.mail.javamail.MimeMessageHelper;
import org.springframework.stereotype.Service;
import org.springframework.transaction.annotation.Transactional;

import javax.mail.MessagingException;
import javax.mail.internet.InternetAddress;
import javax.mail.internet.MimeMessage;
import java.io.UnsupportedEncodingException;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Comparator;
import java.util.List;
import java.util.stream.Collectors;

@Service
@Transactional(rollbackFor = Throwable.class)
public class PurSaleServiceImpl implements PurSaleService {

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


    @Autowired
    WarehouseSupplierInvoiceRepository warehouseSupplierInvoiceRepository;

    @Autowired
    JavaMailSender mailSender;

    @Autowired
    AuthService authService;
    @Autowired
    AuthRepository authRepository;

    @Autowired
    CsService csService;

    @Override
    public void moreThen10DaysEgedStockReport() throws MessagingException, UnsupportedEncodingException, ProfitMandiBusinessException {
        LocalDateTime startDate = LocalDateTime.now().minusMonths(3);
        LocalDateTime endDate = LocalDateTime.now();
        List<CatalogAgedModel> moreThen10DaysAgedCatalogModels = getCatalogModelsOlderThan10Days(startDate, endDate);
        StringBuilder sb = new StringBuilder();
        sb.append("<html><body><b>Aging Stock List: Items that are 4 days old or older (Date Range - " + startDate.toLocalDate() + " To " + endDate.toLocalDate() + " )</b>" + "<br/><table style='border:1px solid black ;padding: 5px ;bgColor=green'>");
        sb.append("<tbody>" +
                "<tr>" +
                "<th style='border:1px solid black;padding: 5px'>No.</th>" +
                "<th style='border:1px solid black;padding: 5px'>Brand</th>" +
                "<th style='border:1px solid black;padding: 5px'>Vendor</th>" +
                "<th style='border:1px solid black;padding: 5px'>Category</th>" +
                "<th style='border:1px solid black;padding: 5px'>Model</th>" +
                "<th style='border:1px solid black;padding: 5px'>Colour</th>" +
                "<th style='border:1px solid black;padding: 5px'>Purchase</th>" +
                "<th style='border:1px solid black;padding: 5px'>Sold</th>" +
                "<th style='border:1px solid black;padding: 5px'>Unsold</th>" +
                "<th style='border:1px solid black;padding: 5px'>Age</th>" +

                "</tr>");


        moreThen10DaysAgedCatalogModels.sort(Comparator.comparingInt(CatalogAgedModel::getAge).reversed());
        int i = 1;
        for (CatalogAgedModel catalogAgedModel : moreThen10DaysAgedCatalogModels) {
            sb.append("<tr>");
            sb.append("<td style='border:1px solid black;padding: 5px'>" + (i++) + "</td>");
            sb.append("<td style='border:1px solid black;padding: 5px'>" + catalogAgedModel.getBrand() + "</td>");
            sb.append("<td style='border:1px solid black;padding: 5px'>" + catalogAgedModel.getSupplier() + "</td>");
            sb.append("<td style='border:1px solid black;padding: 5px'>" + catalogAgedModel.getStatus() + "</td>");
            if (catalogAgedModel.getBrand().equals("Samsung")) {
                sb.append("<td style='border:1px solid black;padding: 5px'>" + catalogAgedModel.getModel() + "</td>");
            } else {
                sb.append("<td style='border:1px solid black;padding: 5px'>" + catalogAgedModel.getModelName() + "</td>");
            }
            sb.append("<td style='border:1px solid black;padding: 5px'>" + catalogAgedModel.getColor().replaceFirst("f_", "") + "</td>");
            sb.append("<td style='border:1px solid black;padding: 5px'>" + catalogAgedModel.getPurchase() + "</td>");
            sb.append("<td style='border:1px solid black;padding: 5px'>" + catalogAgedModel.getSold() + "</td>");
            sb.append("<td style='border:1px solid black;padding: 5px'>" + catalogAgedModel.getUnsold() + "</td>");
            sb.append("<td style='border:1px solid black;padding: 5px'>" + catalogAgedModel.getAge() + "</td>");
            sb.append("</tr>");

        }
        sb.append("</tbody>");
        sb.append("</table>");


        List<WarehouseItemAgeingModel> warehouseAgeQtyModel = getAgeingModelsGtDays(startDate, endDate, 4);
        sb.append("<br /><br /><b>Warehouse Stock</b>");
        sb.append("<table style='border:1px solid black;border-collapse: collapse;' ><thead>")
                .append("<th>No.</th>")
                .append("<th>Vendor</th>")
                .append("<th>Category</th>")
                .append("<th>Brand</th>")
                .append("<th>Model</th>")
                .append("<th>Color</th>")
                .append("<th>Age</th>")
                .append("<th>Warehouse</th>")
                .append("<th>Grn On</th>")
                .append("<th>In Stock</th>")
                .append("</thead>")
                .append("<tbody>");
        i = 0;
        for (WarehouseItemAgeingModel warehouseItemAgeingModel : warehouseAgeQtyModel) {

            sb.append("<tr>")
                    .append("<td style='border:1px solid black;padding:5px'>").append(++i).append("</td>")
                    .append("<td style='border:1px solid black;padding:5px'>").append(warehouseItemAgeingModel.getSupplierName()).append("</td>")
                    .append("<td style='border:1px solid black;padding:5px'>").append(warehouseItemAgeingModel.getStatus()).append("</td>")
                    .append("<td style='border:1px solid black;padding:5px'>").append(warehouseItemAgeingModel.getBrand()).append("</td>")
                    .append("<td style='border:1px solid black;padding:5px'>").append(warehouseItemAgeingModel.getModelName() + " " + warehouseItemAgeingModel.getModelNumber()).append("</td>")
                    .append("<td style='border:1px solid black;padding:5px'>").append(warehouseItemAgeingModel.getColor()).append("</td>")
                    .append("<td style='border:1px solid black;padding:5px'>").append(warehouseItemAgeingModel.getAge()).append("</td>")
                    .append("<td style='border:1px solid black;padding:5px'>").append(warehouseItemAgeingModel.getWarehouseName()).append("</td>")
                    .append("<td style='border:1px solid black;padding:5px'>").append(warehouseItemAgeingModel.getCreated()).append("</td>")
                    .append("<td style='border:1px solid black;padding:5px'>").append(warehouseItemAgeingModel.getCurrentQuantity()).append("</td>")
                    .append("</tr>");
        }

        sb.append("</tbody></table></body></html>");
        String subject = "Aging Stock Report: 4 Days or Older";
        String messageText = sb.toString();
        MimeMessage message = mailSender.createMimeMessage();
        MimeMessageHelper helper = new MimeMessageHelper(message, true);

        List<AuthUser> accountsAuthUserList = csService.getAuthUserIds(ProfitMandiConstants.TICKET_CATEGORY_ACCOUNTS, Arrays.asList(EscalationType.L1, EscalationType.L2));
        List<String> accountTeamMails = accountsAuthUserList.stream().map(x -> x.getEmailId()).collect(Collectors.toList());
        accountTeamMails.add("neeraj.gupta@smartdukaan.com");

        List<AuthUser> salesAuthUserList = csService.getAuthUserIds(ProfitMandiConstants.TICKET_CATEGORY_SALES, Arrays.asList(EscalationType.L1, EscalationType.L2));
        List<String> salesTeamMails = salesAuthUserList.stream().map(x -> x.getEmailId()).collect(Collectors.toList());

        List<AuthUser> abmAuthUserList = csService.getAuthUserIds(ProfitMandiConstants.TICKET_CATEGORY_ABM, Arrays.asList(EscalationType.L1, EscalationType.L2));
        List<String> abmTeamMails = abmAuthUserList.stream().map(x -> x.getEmailId()).collect(Collectors.toList());

        List<AuthUser> categoryAuthUserList = csService.getAuthUserIds(ProfitMandiConstants.TICKET_CATEGORY_ABM, Arrays.asList(EscalationType.L1, EscalationType.L2, EscalationType.L3));
        List<String> categoryTeamMails = categoryAuthUserList.stream().map(x -> x.getEmailId()).collect(Collectors.toList());

        List<String> allEmails = new ArrayList<>(Arrays.asList(
                "sm@smartdukaan.com",
                "tarun.verma@smartdukaan.com",
                "amit.gupta@smartdukaan.com"
        ));

//         niranjan kala(authId -54) Team Emails,
        List<Integer> allReportees = authService.getAllReportees(54);
        List<AuthUser> authUsers = authRepository.selectAllAuthUserByIds(allReportees);
        List<String> categotyTeamEmails = authUsers.stream().map(x -> x.getEmailId()).collect(Collectors.toList());

        allEmails.addAll(categotyTeamEmails);
        String[] emailTo = allEmails.toArray(new String[allEmails.size()]);
        helper.setSubject(subject);
        helper.setText(messageText, true);
        helper.setTo(emailTo);

        List<String> bccEmails = new ArrayList<>();
        bccEmails.addAll(salesTeamMails);
        bccEmails.addAll(accountTeamMails);
        bccEmails.addAll(categoryTeamMails);
        bccEmails.addAll(abmTeamMails);

        String[] emailBcc = bccEmails.toArray(new String[0]);
        helper.setBcc(emailBcc);

        InternetAddress senderAddress = new InternetAddress("noreply@smartdukaan.com", "Smart Dukaan");
        helper.setFrom(senderAddress);
        mailSender.send(message);

    }

    @Override
    public List<CatalogAgedModel> getCatalogModelsOlderThan10Days(LocalDateTime startDate, LocalDateTime endDate) {
        List<CatalogAgedModel> fiterCatalogAgedModels =
                warehouseSupplierInvoiceRepository.selectCatalogAge(startDate, endDate, null, 0, null)
                        .stream().filter(x -> x.getAge() >= 4 && x.getUnsold() > 0).collect(Collectors.toList());
        LOGGER.info("fiterCatalogAgedModels - " + fiterCatalogAgedModels);
        return fiterCatalogAgedModels;
    }


    private List<WarehouseItemAgeingModel> getAgeingModelsGtDays(LocalDateTime startDate, LocalDateTime endDate, int days) {
        List<WarehouseItemAgeingModel> fiterCatalogAgedModels =
                warehouseSupplierInvoiceRepository.selectWarehouseItemAgeing(startDate, endDate, null, 0, null)
                        .stream().filter(x -> x.getAge() >= days).sorted(Comparator.comparing(WarehouseItemAgeingModel::getAge).reversed()).collect(Collectors.toList());
        return fiterCatalogAgedModels;
    }
}