/*
 * ********************************************************************************************************************
 *
 *               iFHS7.
 *              ;BBMBMBMc                  rZMBMBR              BMB
 *              MBEr:;PBM,               7MBMMEOBB:             BBB                       RBW
 *     XK:      BO     SB.     :SZ       MBM.       c;;     ir  BBM :FFr       :SSF:    ;xBMB:r   iuGXv.    i:. iF2;
 *     DBBM0r.  :D     S7   ;XMBMB       GMBMu.     MBM:   BMB  MBMBBBMBMS   WMBMBMBBK  MBMBMBM  BMBRBMBW  .MBMBMBMBB
 *      :JMRMMD  ..    ,  1MMRM1;         ;MBMBBR:   MBM  ;MB:  BMB:   MBM. RMBr   sBMH   BM0         UMB,  BMB.  KMBv
 *     ;.   XOW  B1; :uM: 1RE,   i           .2BMBs  rMB. MBO   MBO    JMB; MBB     MBM   BBS    7MBMBOBM:  MBW   :BMc
 *     OBRJ.SEE  MRDOWOR, 3DE:7OBM       .     ;BMB   RMR7BM    BMB    MBB. BMB    ,BMR  .BBZ   MMB   rMB,  BMM   rMB7
 *     :FBRO0D0  RKXSXPR. JOKOOMPi       BMBSSWBMB;    BMBB:    MBMB0ZMBMS  .BMBOXRBMB    MBMDE RBM2;SMBM;  MBB   xBM2
 *         iZGE  O0SHSPO. uGZ7.          sBMBMBDL      :BMO     OZu:BMBK,     rRBMB0;     ,EBMB  xBMBr:ER.  RDU   :OO;
 *     ,BZ, 1D0  RPSFHXR. xWZ .SMr                  . .BBB
 *      :0BMRDG  RESSSKR. 2WOMBW;                   BMBMR
 *         i0BM: SWKHKGO  MBDv
 *           .UB  OOGDM. MK,                                          Copyright (c) 2015-2019.  斯伯坦机器人
 *              ,  XMW  ..
 *                  r                                                                     All rights reserved.
 *
 * ********************************************************************************************************************
 */

package com.persagy.database.extensions

import com.persagy.base.extensions.getAllDeclaredFields
import com.persagy.database.SFilter
import javax.persistence.Id

/**
 * 取得主键字段值
 *
 * @return  Id字段值
 */
fun Any.keyValue(property: String = "id"): Any? {
    /** 依次取id列表中的键值 */
    javaClass.keyFieldList().forEach {
        if (it.name == property) {
            val accessible = it.isAccessible   //canAccess(this)
            it.isAccessible = true
            val id = it.get(this)
            it.isAccessible = accessible
            return id
        }
    }
    return null
} // Fun Serializable.keyValue()

/**
 * 取得主键与值的映射
 *
 * @return  主键映射。key为属性名
 */
fun Any.keyMap(): HashMap<String, Any> {
    val map = HashMap<String, Any>()
    val clz = this::class.java
    for (field in clz.getAllDeclaredFields()) {
        // val anno = field.getAnnotation(Column::class.java)
        if (field.getAnnotation(Id::class.java) != null)
        {
            val accessible = field.isAccessible  //canAccess(this)
            field.isAccessible = true
            map[field.name] = field.get(this)
            field.isAccessible = accessible
        }
    }

    return map
} // Fun Serializable.keyMap()

/**
 * 获得主键的过滤条件
 *
 * @return  主键的过滤条件
 */
fun Any.filterListByKeys(): ArrayList<SFilter> {
    val filterList = ArrayList<SFilter>()
    this.keyMap().forEach {
        filterList.add(SFilter.eq(it.key, it.value))
    }
    return filterList
} // Fun Serializable.filterListByKeys()