package com.volunteersregistration.service;

import com.volunteersregistration.entity.CorporateInformation;
import com.volunteersregistration.entity.NgoInformation;
import com.volunteersregistration.entity.VolunteerInformation;
import com.volunteersregistration.repository.CompanyInfoRepo;
import com.volunteersregistration.repository.NgoInfoRepo;
import com.volunteersregistration.repository.VolunteerRegistrationRepo;
import org.springframework.beans.factory.annotation.Autowired;
import org.springframework.stereotype.Service;

import java.time.LocalDate;
import java.time.LocalDateTime;
import java.util.ArrayList;
import java.util.List;
import java.util.Map;
import java.util.StringJoiner;

@Service
public class VolunteerRegistrationService {
    @Autowired
    private VolunteerRegistrationRepo volunteerRegistrationRepo;

    @Autowired
    private CompanyInfoRepo companyInfoRepo;

    @Autowired
    private NgoInfoRepo ngoInfoRepo;



    public String register(VolunteerInformation volun) {

        volun.setCdate(LocalDateTime.now());
        volun.setIsactive(true);
        try{
            if(volun!=null){
                String preferredAreas[] =volun.getPreferredAreas();
                if (preferredAreas != null) {
                    StringJoiner zones = new StringJoiner(",");
                    StringJoiner joiner = new StringJoiner(",");
                    for (String area : preferredAreas) {
                        String areaWZone[] =area.split("-");
                        if(areaWZone != null && areaWZone.length==2) {
                            joiner.add(areaWZone[1]);
                            zones.add(areaWZone[0]);
                        }else{
                            joiner.add(area);
                        }
                    }
                    volun.setPreferred_area(joiner.toString());
                    volun.setPreferred_zones(zones.toString());
                }
                volun= volunteerRegistrationRepo.save(volun);
                return "VOL-"+String.format("%05d",volun.getVolunteer_id());
            } else {
                return "Not Saved";
            }

        }catch(Exception e) {
            e.printStackTrace();
        }
        return "error";
    }

    public String registerAsNgo(NgoInformation ngo) {

        try {
            if (ngo != null) {
                ngo.setCdate(LocalDateTime.now());
                ngo.setIsactive(true);
                String preferredAreas[] = ngo.getPreferredAreas();
                if (preferredAreas != null) {
                    StringJoiner zones = new StringJoiner(",");
                    StringJoiner joiner = new StringJoiner(",");
                    for (String area : preferredAreas) {
                        String areaWZone[] = area.split("-");
                        if (areaWZone != null && areaWZone.length == 2) {
                            joiner.add(areaWZone[1]);
                            zones.add(areaWZone[0]);
                        } else {
                            joiner.add(area);
                        }
                    }
                    ngo.setPreferred_area(joiner.toString());
                    ngo.setPreferred_zones(zones.toString());
                }
                ngo= ngoInfoRepo.save(ngo);
                return "NGO_VOL-"+String.format("%05d",ngo.getNgo_id());
            } else {
                return "Not Saved";
            }

        } catch (Exception e) {
            e.printStackTrace();
        }
        return "error";
    }

    public String registerAsCorporate(CorporateInformation cop){
        try{
            if(cop!=null){
                cop.setCdate(LocalDateTime.now());
                cop.setIsactive(true);
                String preferredAreas[] =cop.getPreferredAreas();
                if (preferredAreas != null) {
                    StringJoiner zones = new StringJoiner(",");
                    StringJoiner joiner = new StringJoiner(",");
                    for (String area : preferredAreas) {
                        String areaWZone[] =area.split("-");
                        if(areaWZone != null && areaWZone.length==2) {
                            joiner.add(areaWZone[1]);
                            zones.add(areaWZone[0]);
                        }else{
                            joiner.add(area);
                        }
                    }
                    cop.setPreferred_area(joiner.toString());
                    cop.setPreferred_zones(zones.toString());
                }
                cop= companyInfoRepo.save(cop);
                return "COR_VOL-"+String.format("%05d",cop.getCop_id());
            } else {
                return "Not Saved";
            }

        }catch(Exception e) {
            e.printStackTrace();
        }
        return "error";
    }
    

    
    public List<Map<String, Object>> getKynReport(String fromDate, String toDate, int category) {
        if (category == 0) {
            return volunteerRegistrationRepo.findByReferByAndDateRange("kyn", fromDate, toDate);
        } else if (category == 1) {
            return companyInfoRepo.findByReferByAndDateRange("kyn", fromDate, toDate);
        } else if (category == 2) {
            return ngoInfoRepo.findByReferByAndDateRange("kyn", fromDate, toDate);
        }
        return new ArrayList<>();
    }
    
    public List<Map<String, Object>> getAllReport(String fromDate, String toDate, int category) {
        if (category == 3) {
            return volunteerRegistrationRepo.findByDateRange(fromDate, toDate);
            		
        } else if (category == 4) {
            return companyInfoRepo.findByDateRange(fromDate, toDate);
        } else if (category == 5) {
            return ngoInfoRepo.findByDateRange(fromDate, toDate);
        }
        return new ArrayList<>();
    }

}