package com.filesystem.config;

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 java.io.IOException;
import java.util.Map;

@RestControllerAdvice
public class GlobalExceptionHandler {
    
    /**
     * 处理所有运行时异常
     */
    @ExceptionHandler(RuntimeException.class)
    public ResponseEntity<?> handleRuntimeException(RuntimeException e) {
        e.printStackTrace();
        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
            .body(Map.of("message", e.getMessage() != null ? e.getMessage() : "服务器内部错误"));
    }
    
    /**
     * 处理 IO 异常（如 ZIP 压缩失败）
     */
    @ExceptionHandler(IOException.class)
    public ResponseEntity<?> handleIOException(IOException e) {
        e.printStackTrace();
        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
            .body(Map.of("message", "文件操作失败: " + (e.getMessage() != null ? e.getMessage() : "未知错误")));
    }
    
    /**
     * 处理所有其他异常
     */
    @ExceptionHandler(Exception.class)
    public ResponseEntity<?> handleException(Exception e) {
        e.printStackTrace();
        return ResponseEntity.status(HttpStatus.INTERNAL_SERVER_ERROR)
            .body(Map.of("message", "服务器错误: " + (e.getMessage() != null ? e.getMessage() : "未知错误")));
    }
}