package com.gmp.mock.handler;

import java.util.stream.Collectors;

import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

import com.gmp.mock.dto.ApiResponse;
import com.gmp.mock.service.TemplateNotFoundException;

@RestControllerAdvice
public class GlobalExceptionHandler {

    @ExceptionHandler(MethodArgumentNotValidException.class)
    public ResponseEntity<ApiResponse<Void>> handleValidation(MethodArgumentNotValidException ex) {
        String message = ex.getBindingResult().getFieldErrors().stream()
                .map(e -> e.getDefaultMessage())
                .collect(Collectors.joining("; "));
        return ResponseEntity.badRequest()
                .body(ApiResponse.error(400, message));
    }

    @ExceptionHandler(TemplateNotFoundException.class)
    public ResponseEntity<ApiResponse<Void>> handleTemplateNotFound(TemplateNotFoundException ex) {
        return ResponseEntity.status(404)
                .body(ApiResponse.error(404, ex.getMessage()));
    }
}