package net.lab1024.smartadmin.util;

import net.lab1024.smartadmin.constant.BpmConst;
import net.lab1024.smartadmin.module.system.employee.domain.bo.EmployeeBO;
import net.lab1024.smartadmin.module.system.login.domain.RequestTokenBO;
import org.apache.commons.beanutils.PropertyUtils;
import org.springframework.beans.BeanUtils;

import java.util.Collections;
import java.util.Date;
import java.util.List;
import java.util.stream.Collectors;

public class SmartBeanUtil {

    /**
     * 复制bean的属性
     *
     * @param source 源 要复制的对象
     * @param target 目标 复制到此对象
     */
    public static void copyProperties(Object source, Object target) {
        BeanUtils.copyProperties(source, target);
    }

    /**
     * 复制对象
     *
     * @param source 源 要复制的对象
     * @param target 目标 复制到此对象
     * @param <T>
     * @return
     */
    public static <T> T copy(Object source, Class<T> target) {
        if(source == null || target == null){
            return null;
        }
        try {
            T newInstance = target.newInstance();
            BeanUtils.copyProperties(source, newInstance);
            return newInstance;
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * 复制list
     *
     * @param source
     * @param target
     * @param <T>
     * @param <K>
     * @return
     */
    public static <T, K> List<K> copyList(List<T> source, Class<K> target) {

        if (null == source || source.isEmpty()) {
            return Collections.emptyList();
        }
        return source.stream().map(e -> copy(e, target)).collect(Collectors.toList());
    }

    /**
     * 复制对象（自动设置操作人员信息）
     *
     * @param source 源 要复制的对象
     * @param target 目标 复制到此对象
     * @param requestToken 登录对象
     * @param <T>
     * @return
     */
    public static <T> T copy(Object source, Class<T> target, RequestTokenBO requestToken) {
        return copy(source, target, requestToken.getEmployeeBO());
    }

    /**
     * 复制对象（自动设置操作人员信息）
     *
     * @param source 源 要复制的对象
     * @param target 目标 复制到此对象
     * @param employeeBO 登录用户
     * @param <T>
     * @return
     */
    public static <T> T copy(Object source, Class<T> target, EmployeeBO employeeBO) {
        if(source == null || target == null){
            return null;
        }
        try {
            T newInstance = target.newInstance();
            BeanUtils.copyProperties(source, newInstance);

            try {
                Object id = PropertyUtils.getProperty(newInstance, "id");
                if (id == null) {
                    setInsertInfo(newInstance, employeeBO);
                }else {
                    setUpdateInfo(newInstance, employeeBO);
                }

                //setUpdateInfo(newInstance, employeeBO);
            } catch (Exception e) {
                e.printStackTrace();
            }
            return newInstance;
        } catch (Exception e) {
            throw new RuntimeException(e);
        }
    }

    /**
     * 设置默认新增信息
     * @return
     */
    public static void setInsertInfo(Object obj, EmployeeBO employeeBO) {
        if(obj == null){
            return;
        }
        Date date = SmartDateUtil.getDate();;
        try {
            Class type = PropertyUtils.getPropertyType(obj, "createBy");
            if (type == Integer.class) {
                PropertyUtils.setProperty(obj, "createBy", employeeBO.getId().intValue());
            } else  if (type == Long.class) {
                PropertyUtils.setProperty(obj, "createBy", employeeBO.getId());
            }else{
                PropertyUtils.setProperty(obj, "createBy", employeeBO.getId().toString());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        try {
            PropertyUtils.setProperty(obj, "createTime", date);
        } catch (Exception e) {
            e.printStackTrace();
        }
        try {
            PropertyUtils.setProperty(obj, "department", employeeBO.getDepartmentId().toString());
        } catch (Exception e) {
            e.printStackTrace();
        }
        try {
            PropertyUtils.setProperty(obj, "company", employeeBO.getCompanyId().toString());
        } catch (Exception e) {
            e.printStackTrace();
        }
        try {
            PropertyUtils.setProperty(obj, "delFlag", BpmConst.DEL_FLAG_0);
        } catch (Exception e) {
            e.printStackTrace();
        }
        setUpdateInfo(obj,employeeBO);
    }

    /**
     * 设置默认更新信息
     * @return
     */
    public static void setUpdateInfo(Object obj, EmployeeBO employeeBO) {
        if(obj == null){
            return;
        }
        Date date = SmartDateUtil.getDate();
        try {
            Class type = PropertyUtils.getPropertyType(obj, "updateBy");
            if (type == Integer.class) {
                PropertyUtils.setProperty(obj, "updateBy", employeeBO.getId().intValue());
            }else  if (type == Long.class) {
                PropertyUtils.setProperty(obj, "updateBy", employeeBO.getId());
            } else {
                PropertyUtils.setProperty(obj, "updateBy", employeeBO.getId().toString());
            }
        } catch (Exception e) {
            e.printStackTrace();
        }
        try {
            PropertyUtils.setProperty(obj, "updateTime", date);
        } catch (Exception e) {
            e.printStackTrace();
        }
    }
}