package com.mini.capi.exception;

import org.slf4j.Logger;
import org.slf4j.LoggerFactory;
import org.springframework.http.HttpStatus;
import org.springframework.http.ResponseEntity;
import org.springframework.web.bind.annotation.ExceptionHandler;
import org.springframework.web.bind.annotation.RestControllerAdvice;
import org.springframework.web.multipart.MaxUploadSizeExceededException;

import java.util.Map;

@RestControllerAdvice
public class GlobalExceptionHandler {

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

    /**
     * 处理业务异常
     */
    @ExceptionHandler(RuntimeException.class)
    public ResponseEntity<Map<String, String>> handleRuntimeException(RuntimeException e) {
        log.error("业务异常：", e);
        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
                .body(Map.of("code", "500", "msg", e.getMessage()));
    }

    /**
     * 处理参数异常
     */
    @ExceptionHandler(IllegalArgumentException.class)
    public ResponseEntity<Map<String, String>> handleIllegalArgumentException(IllegalArgumentException e) {
        log.error("参数异常：", e);
        return ResponseEntity.status(HttpStatus.BAD_REQUEST)
                .body(Map.of("code", "400", "msg", e.getMessage()));
    }

    /**
     * 处理附件过大异常
     */
    @ExceptionHandler(MaxUploadSizeExceededException.class)
    public ResponseEntity<Map<String, String>> handleMaxUploadSizeExceededException(MaxUploadSizeExceededException e) {
        log.error("附件过大：", e);
        return ResponseEntity.status(HttpStatus.PAYLOAD_TOO_LARGE)
                .body(Map.of("code", "413", "msg", "附件大小超过限制"));
    }

    /**
     * 处理通用异常
     */
    @ExceptionHandler(Exception.class)
    public ResponseEntity<Map<String, String>> handleException(Exception e) {
        log.error("系统异常：", e);
        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
                .body(Map.of("code", "500", "msg", "系统内部错误，请联系管理员"));
    }
}