package org.sadigit.util;

import lombok.extern.slf4j.Slf4j;

import java.math.BigDecimal;
import java.sql.ResultSet;
import java.sql.ResultSetMetaData;
import java.util.*;


@Slf4j
public class AppUtil {

    public static List<Map<String, String>> convertResultsetToListStr(ResultSet rs) {
        List<Map<String, String>> lst = new ArrayList<Map<String, String>>();
        try {
            ResultSetMetaData rsmd = rs.getMetaData();
            int colCount = rsmd.getColumnCount();
            String value = "";

            while (rs.next()) {
                HashMap<String, String> map = new HashMap<String, String>();
                for (int i = 1; i <= colCount; i++) {
                    try {
                        if (rs.getObject(i).toString().equals("") || rs.getObject(i).toString().equals("null")) {
                            value = "";
                        } else {
                            value = rs.getObject(i).toString();
                        }
                    } catch (Exception e) {
                        value = "";
                    }
                    map.put(rsmd.getColumnName(i).toLowerCase(), value);
                }
                lst.add(map);
            }

        } catch (Exception ex) {
            log.info("AppUtil :" + ex.getMessage());
        }

        return lst;
    }

    public static Double doubleNVL(Double value) {
        return Optional.ofNullable(value).orElse(Double.NaN);
    }

    public static BigDecimal BigDecimalNVL(BigDecimal value) {
        return Optional.ofNullable(value).orElse(null);
    }

    public static int intNVL(int value) {
        return Optional.ofNullable(value).orElse(Integer.BYTES);
    }

}