package org.yeshi.utils.mybatis;

import java.lang.annotation.Annotation;
import java.lang.reflect.Field;

public class ColumnParseUtil {

	public static void parseColumn(Class<?> clz, String path) {
		Field[] fields = clz.getDeclaredFields();
		for (Field fd : fields) {
			Annotation[] as = fd.getAnnotations();
			for (Annotation a : as) {
				if (a instanceof Column) {
					Column c = (Column) a;
					System.out.println(c.name());
					ColumnUtil.addColumnToMapper(path, c.name(), fd.getName(), getJDBCType(fd.getType().getName()));
				}
			}
		}
	}

	public static String getJDBCType(String type) {
		if (type.endsWith("java.lang.Long")) {
			return "BIGINT";
		} else if (type.endsWith("java.lang.Integer")) {
			return "INTEGER";
		} else if (type.endsWith("java.lang.String")) {
			return "VARCHAR";
		} else if (type.endsWith("java.lang.Boolean")) {
			return "BOOLEAN";
		} else if (type.endsWith("java.math.BigDecimal")) {
			return "DECIMAL";
		} else if (type.endsWith("java.util.Date")) {
			return "TIMESTAMP";
		} else if (type.endsWith("java.lang.Double")) {
			return "DOUBLE";
		} else {
			return "VARCHAR";
		}
	}

}