package com.jsh.erp.base;

import com.baomidou.mybatisplus.core.toolkit.StringUtils;
import com.github.pagehelper.PageHelper;
import com.github.pagehelper.PageInfo;
import com.jsh.erp.utils.PageUtils;
import com.jsh.erp.utils.ServletUtils;
import com.jsh.erp.utils.SqlUtil;
import org.slf4j.Logger;
import org.slf4j.LoggerFactory;

import javax.servlet.http.HttpServletRequest;
import javax.servlet.http.HttpServletResponse;
import javax.servlet.http.HttpSession;
import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * web层通用数据处理
 * 
 * @author ji-sheng-hua
 */
public class BaseController
{
    protected final Logger logger = LoggerFactory.getLogger(this.getClass());

    /**
     * 设置请求分页数据
     */
    protected void startPage()
    {
        PageUtils.startPage();
    }

    /**
     * 设置请求排序数据
     */
    protected void startOrderBy()
    {
        PageDomain pageDomain = TableSupport.buildPageRequest();
        if (StringUtils.isNotEmpty(pageDomain.getOrderBy()))
        {
            String orderBy = SqlUtil.escapeOrderBySql(pageDomain.getOrderBy());
            PageHelper.orderBy(orderBy);
        }
    }

    /**
     * 清理分页的线程变量
     */
    protected void clearPage()
    {
        PageUtils.clearPage();
    }

    /**
     * 获取request
     */
    public HttpServletRequest getRequest()
    {
        return ServletUtils.getRequest();
    }

    /**
     * 获取response
     */
    public HttpServletResponse getResponse()
    {
        return ServletUtils.getResponse();
    }

    /**
     * 获取session
     */
    public HttpSession getSession()
    {
        return getRequest().getSession();
    }

    /**
     * 响应请求分页数据
     */
    @SuppressWarnings({ "rawtypes", "unchecked" })
    protected TableDataInfo getDataTable(List<?> list)
    {
        Map<String, Object> data = new HashMap<>();
        TableDataInfo rspData = new TableDataInfo();
        rspData.setCode(200);
        data.put("rows", list);
        data.put("total", new PageInfo(list).getTotal());
        rspData.setData(data);
        return rspData;
    }

    /**
     * 响应返回结果
     * 
     * @param rows 影响行数
     * @return 操作结果
     */
    protected AjaxResult toAjax(int rows)
    {
        return rows > 0 ? success() : error();
    }

    /**
     * 响应返回结果
     * 
     * @param result 结果
     * @return 操作结果
     */
    protected AjaxResult toAjax(boolean result)
    {
        return result ? success() : error();
    }

    /**
     * 返回成功
     */
    public AjaxResult success()
    {
        return AjaxResult.success();
    }

    /**
     * 返回失败消息
     */
    public AjaxResult error()
    {
        return AjaxResult.error();
    }

    /**
     * 返回成功消息
     */
    public AjaxResult success(String message)
    {
        return AjaxResult.success(message);
    }

    /**
     * 返回成功数据
     */
    public static AjaxResult success(Object data)
    {
        return AjaxResult.success("操作成功", data);
    }

    /**
     * 返回失败消息
     */
    public AjaxResult error(String message)
    {
        return AjaxResult.error(message);
    }

}