package com.paymentlink.exception;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.web.bind.annotation.ControllerAdvice;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.ResponseStatus;
import org.springframework.web.servlet.ModelAndView;

@ControllerAdvice
public class GlobalExceptionHandler {

    private static final Logger logger = LoggerFactory.getLogger(GlobalExceptionHandler.class);

    @ExceptionHandler(RegionBlockedException.class)
    @ResponseStatus(HttpStatus.FORBIDDEN)
    public ModelAndView handleRegionBlocked(RegionBlockedException ex) {
        logger.warn("Region blocked: {} ({})", ex.getCountryName(), ex.getCountryCode());
        
        ModelAndView mav = new ModelAndView("region-blocked");
        mav.addObject("countryCode", ex.getCountryCode());
        mav.addObject("countryName", ex.getCountryName());
        mav.addObject("message", "Service is not available in your region");
        
        return mav;
    }

    @ExceptionHandler(Exception.class)
    @ResponseStatus(HttpStatus.INTERNAL_SERVER_ERROR)
    public ModelAndView handleGenericException(Exception ex) {
        logger.error("Unexpected error", ex);
        
        ModelAndView mav = new ModelAndView("error");
        mav.addObject("message", "An unexpected error occurred");
        mav.addObject("error", ex.getMessage());
        
        return mav;
    }
}