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package com.tmsps.ne4springboot.orm;

import java.lang.annotation.Annotation;
import java.lang.reflect.Field;
import java.util.ArrayList;
import java.util.Iterator;
import java.util.LinkedHashMap;
import java.util.List;
import java.util.Map;
import java.util.Map.Entry;
import java.util.Set;

import com.tmsps.ne4springboot.annotation.Column;
import com.tmsps.ne4springboot.annotation.NotMap;
import com.tmsps.ne4springboot.annotation.PK;
import com.tmsps.ne4springboot.annotation.Table;
import com.tmsps.ne4springboot.orm.model.DataModel;

import cn.hutool.core.util.ObjectUtil;
import cn.hutool.core.util.StrUtil;

/**
 * 
 * @author zhangwei [email protected]
 *
 */
public class ClassUtil {
	/**
	 * 	@Description: 获取表名称，如果没有表名称注解，则返回Class的名称
	 *	@author: zhangwei(Mr.z)[email protected]
	 *	@date： 2023/05/19
	 */
	public static String getTableName(Class clazz) {
		// 没有Table注解，返回类的SimplName
		if (!clazz.isAnnotationPresent(Table.class)) {
			return clazz.getSimpleName().toString();
		}
		// Table注解的value值不为空，返回value的值为表名称
		if (StrUtil.isNotBlank(clazz.getAnnotation(Table.class).value())) {
			return clazz.getAnnotation(Table.class).value();
		}
		//Table注解的TableName值不为空，返回TableName的值为表名称
		if (StrUtil.isNotBlank(clazz.getAnnotation(Table.class).TableName())) {
			return clazz.getAnnotation(Table.class).TableName();
		}
		// 未找到显式的表明，返回约定的类名称作为表名称
		return clazz.getSimpleName().toString();
	}

	/**
	 * 	@Description: 返回Bean中所有的字段名称
	 *	@author: zhangwei(Mr.z)[email protected]
	 *	@date： 2023/05/20
	 */
	public static List getPropertyName(Class clazz) {
		List list = new ArrayList();
		List fields = getClassFields(clazz);
		for (Field field : fields) {
			// 剔除不参与映射字段@NotMap、合成字段synthetic
			if (field.isAnnotationPresent((Class) NotMap.class) || field.isSynthetic()) {
				continue;
			}
			if (field.isAnnotationPresent((Class) Column.class)) {
				list.add(field.getAnnotation(Column.class).name());
				continue;
			}
			list.add(field.getName());
		}
		return list;
	}
	
	/**
	 * @Description: 获取类型中指定注解的属性名称
	 * @author: zhangwei(Mr.z)[email protected] @date： 2023/07/18
	 */
	public static List getTargetAnnotationPropertyName(Class clazz, Class targetAnnotation) {
		List list = new ArrayList();
		List fields = getClassFields(clazz);
		for (Field field : fields) {
			if (field.isAnnotationPresent(targetAnnotation)) {
				list.add(field.getName());
			}
		}
		return list;
	}
	
	/**
	 * 	@Description: 返回不带主键字段的class属性名称
	 *	@author: zhangwei(Mr.z)[email protected]
	 *	@date： 2023/05/20
	 */
	public static List getPropertyNameWithoutPk(Class clazz) {
		List list = new ArrayList();
		List fields = getClassFields(clazz);
		for (Field field : fields) {
			// 剔除不参与映射字段@NotMap、合成字段synthetic
			if (field.isAnnotationPresent((Class) NotMap.class) || field.isAnnotationPresent((Class) PK.class) || field.isSynthetic()) {
				continue;
			}
			if (field.isAnnotationPresent((Class) Column.class)) {
				list.add(field.getAnnotation(Column.class).name());
				continue;
			}
			list.add(field.getName());
		}
		return list;
	}

	public static List getClassFields(Class clazz) {
		List clazzField = new ArrayList();
		Field[] fields = clazz.getDeclaredFields();
		for (Field field : fields) {
			// 剔除不参与映射字段@NotMap、合成字段synthetic
			if (field.isAnnotationPresent(NotMap.class) || field.isSynthetic()) {
				continue;
			}
			clazzField.add(field);
		} // #for
		return clazzField;
	}

	/**
	 * 	@Description: 返回属性值列表
	 *	@author: zhangwei(Mr.z)[email protected]
	 *	@date： 2023/05/20
	 */
	public static List