Volunteers_and_Cdwaste/src/main/java/com/volunteersregistration/controller/ApiController.java

package com.volunteersregistration.controller;

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


import org.springframework.core.env.Environment;

import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.GetMapping;
import org.springframework.web.bind.annotation.PostMapping;
import org.springframework.web.bind.annotation.RequestMapping;
import org.springframework.web.bind.annotation.RequestParam;
import org.springframework.web.bind.annotation.RestController;
import org.springframework.web.client.RestTemplate;
import org.springframework.web.multipart.MultipartFile;

import com.volunteersregistration.config.AppConfigur;
import com.volunteersregistration.config.UserSession;
import com.volunteersregistration.entity.LoginDetail;

import com.volunteersregistration.repository.LoginDetailRepo;
import com.volunteersregistration.repository.VolunteerRegistrationRepo;

import jakarta.servlet.http.HttpServletRequest;
import jakarta.servlet.http.HttpSession;

import java.io.IOException;
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
import java.time.LocalDateTime;
import java.time.format.DateTimeFormatter;
import java.util.ArrayList;
import java.util.Collections;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.Random;

@RestController("volunteerapicontroller")
@RequestMapping("/volunteer/api/registration")
public class ApiController {

	@Autowired
    private HttpSession session;
    @Autowired 
    private Environment environment;
    
    @Autowired
    private LoginDetailRepo logindetailrepo;
    
    @Autowired
    private UserSession usersession;
    @Autowired
    private AppConfigur appConfig;
    

    @Autowired
    private VolunteerRegistrationRepo volunteerRegistrationRepo;
 
    
    //for login
    @GetMapping(value = "/login")
    public String login(HttpServletRequest request, @RequestParam String uname, @RequestParam String upass) {
        LoginDetail ld = logindetailrepo.checkUser(Long.parseLong(uname), upass);
        if (ld != null) {
            session.setAttribute("userId", ld.getId()); // Store user in session
            session.setAttribute("mobNo", ld.getMobileno());
            session.setAttribute("userType", ld.getUsertype());

            return ld.getUsertype(); // Return user type to redirect appropriately
        } else {
            return "Error"; // Return error if login fails
        }
    }
    
    @GetMapping(value = "/sendOTP")
    public String sendOtp(HttpServletRequest request, @RequestParam String mobile,@RequestParam String purpose) {
        String MobileNo=mobile;
        System.out.print("\n MobileNo---:"+mobile);
        Random rand = new Random();
        int otp = rand.nextInt(90000) + 10000;
        System.out.print("\n otp---:"+otp);
        DateTimeFormatter dtf = DateTimeFormatter.ofPattern("dd-MMM-yyyy%20HH:mm");
        LocalDateTime now = LocalDateTime.now();
        System.out.println(dtf.format(now));

        String generatedToken = "Welcome to GCC "+otp+" is your OTP for gcc QR System";
//        String key="qxg4mklD";
        String key="pfTEYN6H";
        String urlString= appConfig.getGetOtpUrl()+"from=GCCCRP&key="+key+"&sender=GCCCRP&to="+MobileNo+"&body="+generatedToken+"&entityid=1401572690000011081&templateid=1407168250479102852";
//        String urlString=appConfig.getGetOtpUrl()+"user=GCCtrans&authkey=92kOC1RBGBIws&sender=GCCCRP&mobile="+MobileNo+"&text="+generatedToken+"&rpt=1&summary=1&output=json&entityid=1401572690000011081&templateid=1407168250479102852";
        System.out.print("\n urlString---:  "+urlString);
        String bodyMessage = "";
        try {
            RestTemplate restTemplate = new RestTemplate();
            String Response = restTemplate.getForObject(urlString, String.class);
            bodyMessage=Response;
            System.out.println("\n bodyMessage"+bodyMessage);
            
            System.out.println("OTP sent successfully!");

        } catch (Exception e) {
            System.out.print("ERROR---:  "+e);
            bodyMessage = "Error";
        }
        HttpSession session = request.getSession();
        session.setAttribute("otp", otp);
        return bodyMessage;

    }

    @GetMapping(value = "/verifyOTP")
    public String verifyOtp(HttpServletRequest request, @RequestParam String otp) {
        HttpSession session = request.getSession();
        try {
            Integer session_otp = (Integer) session.getAttribute("otp");
            System.out.println("session_otp---:" + session_otp);
            Integer entered_otp = Integer.parseInt(otp);

            if (session_otp != null && session_otp.equals(entered_otp)) {
                System.out.println("Entered OTP Correct");
                session.setAttribute("verifiedotp", "success");
                return "Success";
            } else {
                System.out.println("Incorrect OTP. Please enter correct OTPs.");
                session.setAttribute("verifiedotp", "error");
                return "Error";
            }
        } catch (NumberFormatException e) {
            System.out.println("Invalid OTP format: " + otp);
            return "Error";
        } catch (Exception e) {
            System.out.println("Error verifying OTP: " + e.getMessage());
            return "Error";
        }
    }
    
   
    @GetMapping(value = "/getAllCategory")
    public List<Map<String, Object>> getAllCategory() {		
		return volunteerRegistrationRepo.getAllCategory();
	}
    
    @GetMapping(value = "/getSubCategoryById")
    public List<Map<String, Object>> getSubCategoryById(@RequestParam int category_id) {		
		return volunteerRegistrationRepo.getSubCategoryById(category_id);
	}

}