package com.nanri.aiimage.common.exception;

import com.nanri.aiimage.common.api.ApiResponse;
import jakarta.validation.ConstraintViolationException;
import lombok.extern.slf4j.Slf4j;
import org.springframework.web.bind.MethodArgumentNotValidException;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;

@Slf4j
@RestControllerAdvice
public class GlobalExceptionHandler {

    @ExceptionHandler(BusinessException.class)
    public ApiResponse<Void> handleBusinessException(BusinessException ex) {
        return ApiResponse.fail(ex.getMessage());
    }

    @ExceptionHandler(MethodArgumentNotValidException.class)
    public ApiResponse<Void> handleMethodArgumentNotValidException(MethodArgumentNotValidException ex) {
        String message = ex.getBindingResult().getFieldError() != null
                ? ex.getBindingResult().getFieldError().getDefaultMessage()
                : "参数校验失败";
        return ApiResponse.fail(message);
    }

    @ExceptionHandler(ConstraintViolationException.class)
    public ApiResponse<Void> handleConstraintViolationException(ConstraintViolationException ex) {
        return ApiResponse.fail(ex.getMessage());
    }

    @ExceptionHandler(Exception.class)
    public ApiResponse<Void> handleException(Exception ex) {
        log.error("Unhandled exception", ex);
        return ApiResponse.fail("服务异常：" + ex.getMessage());
    }
}
