package org.yangliu.codegenerate.util;

import com.google.common.base.CaseFormat;
import org.yangliu.codegenerate.util.fieldType.DbColumnType;
import org.yangliu.codegenerate.util.fieldType.MySqlTypeConvert;
import org.yangliu.codegenerate.util.fieldType.PostgreSqlTypeConvert;

import java.util.Arrays;
import java.util.List;

/**
 * @Description
 * @Author ZhouWenTao
 * @Date 2023/8/13 21:54
 */
public class TableFieldUtil {
    private static List<String> strArray= Arrays.asList("char","varchar","text","xml");


    private static List<String> integerArray= Arrays.asList("int","int2","int4","int8","text","xml");

    /**
     * 将 数据库字段类型转成 java类型
     * @param fieldType
     * @return
     */
    public static String fieldTypeParseJava(String databaseType,String fieldType){
        if (databaseType.equals("mysql")) {
            DbColumnType dbColumnType = MySqlTypeConvert.processTypeConvert(fieldType);
            return dbColumnType.getType();
        }else if(databaseType.equals("postgresql")){
            DbColumnType dbColumnType = PostgreSqlTypeConvert.processTypeConvert(fieldType);
            return dbColumnType.getType();
        }
        System.out.println("暂不支持该数据库");
        return null;
    }


    public static String tableNameToEntityName(String tableName){
        String to = CaseFormat.LOWER_UNDERSCORE.to(CaseFormat.LOWER_CAMEL, tableName);
        String orderColumn = CaseFormat.LOWER_CAMEL.to(CaseFormat.UPPER_CAMEL,to);
        return orderColumn;
    }
}