package com.util;

import com.model.bo.Screen;
import org.springframework.stereotype.Component;

import java.util.Iterator;
import java.util.List;

/*
解析筛选信息
 */
@Component
public class ScreenUtil {
    public String screensUtil(List<Screen> screenList){
        //返回值
        if (screenList.size() == 0){
            return "";
        }
        String ret = "";
        Iterator isList = screenList.iterator();
        while (isList.hasNext()){
            Screen screen = (Screen) isList.next();
            String columnName = screen.getColumnName();
            String columnType = screen.getColumnType();
            String symbol = screen.getSymbol();
            String value = screen.getValue();

            if (columnType != "time"){
                String symbVal = getSymbAndVal(symbol, value);
                ret = ret + " and " + columnName + " " + symbVal;
                System.out.println("ret:" + ret);
            }if(columnType == "time" || "time".equals(columnType)){
                String symbVal ;
            }
        }
        return ret;
    }
    public String getSymbAndVal(String symbol, String value){
        String values = "'" + value;
        String tar = "";
        if ("contain".equals(symbol)){
            tar = "like %" + values + "%'";
        }else if("notContain".equals(symbol)){
            tar = "not like %" + values + "%'";
        }else if("startsWith".equals(symbol)){
            tar = "like " + values + "%'";
        }else if("endsWith".equals(symbol)){
            tar = "like %" + values +"'";
        }else if("null".equals(symbol)){
            tar = "is null";
        }else if ("notNull".equals(symbol)){
            tar = "is not null";
        }else {
            tar = symbol + " " + values + "'";
        }
        return tar;
    }

    public String getTimeSybVal(String symbol, String value){
        return "";
    }
}