package com.sandu.common.util;

import com.github.pagehelper.Page;
import com.sandu.common.domain.CommonPage;
import com.sandu.common.domain.ResponseVO;
import com.sandu.common.enums.ResponseStatusEnums;
import org.springframework.web.servlet.ModelAndView;

import java.util.List;
import java.util.Map;

/**
 * 接口返回工具类，支持ModelAndView、ResponseVO、PageResult
 *
 * @author chenjiantian
 */
public class ResponseUtil {

    /**
     * 返回 失败
     */
    public static ResponseVO<Object> fail(String message) {
        return new ResponseVO<>(ResponseStatusEnums.FAIL.getCode(), message, null);
    }

    /**
     * 返回 成功
     */
    public static ResponseVO<Object> success(Object data) {
        if(data instanceof Page){
            return new ResponseVO<>(ResponseStatusEnums.SUCCESS.getCode(), ResponseStatusEnums.SUCCESS.getMessage(), CommonPage.restPage((Page<?>)data));
        }
        return new ResponseVO<>(ResponseStatusEnums.SUCCESS.getCode(), ResponseStatusEnums.SUCCESS.getMessage(), data);
    }

    /**
     * 返回 分页成功
     */
    public static ResponseVO<Object> successPage(List<?> list) {
        return success(CommonPage.restPage(list));
    }


    public static ModelAndView view(String view) {
        return new ModelAndView(view);
    }

    public static ModelAndView view(String view, Map<String, Object> model) {
        return new ModelAndView(view, model);
    }

    public static ModelAndView redirect(String view) {
        return new ModelAndView("redirect:" + view);
    }

    public static ModelAndView forward(String view) {
        return new ModelAndView("forward:" + view);
    }

    public static ResponseVO<Object> error(int code, String message) {
        return new ResponseVO<>(code, message, null);
    }

    public static ResponseVO<Object> error(int code, String message, Object data) {
        return new ResponseVO<>(code, message, data);
    }

    public static ResponseVO<Object> error(int code, String message, Object data, String exception) {
        return new ResponseVO<>(code, message, data, exception);
    }


}