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package com.jchanghong.utils.kotlin

import cn.hutool.core.bean.BeanUtil
import cn.hutool.core.util.NumberUtil
import cn.hutool.core.util.StrUtil
import cn.hutool.json.JSONObject
import java.sql.Timestamp
import java.time.LocalDate
import java.time.LocalDateTime
import java.util.*
import kotlin.reflect.KMutableProperty
import kotlin.reflect.full.createType
import kotlin.reflect.full.memberProperties

fun main() {

}

fun Any.beanToMap(): MutableMap {
    return BeanUtil.beanToMap(this)
}

/** fill null bean类*/
inline fun  T.beanFillNullValues(): T {
    val props = T::class.memberProperties
        .mapNotNull { it as? KMutableProperty<*> }
    for (property in props) {
        if (property.getter.call(this) != null) continue
        when (property.returnType) {
            LocalDateTime::class.createType(nullable = true) -> property.setter.call(this, LocalDateTime.now())
            LocalDate::class.createType(nullable = true) -> property.setter.call(this, LocalDate.now())
            Long::class.createType(nullable = true) -> property.setter.call(this, 0L)
            Boolean::class.createType(nullable = true) -> property.setter.call(this, false)
            Int::class.createType(nullable = true) -> property.setter.call(this, 0)
            Byte::class.createType(nullable = true) -> property.setter.call(this, 0.toByte())
            Double::class.createType(nullable = true) -> property.setter.call(this, 0.0)
            Float::class.createType(nullable = true) -> property.setter.call(this, 0.0.toFloat())
            String::class.createType(nullable = true) -> property.setter.call(this, StrUtil.EMPTY)
            Date::class.createType(nullable = true) -> property.setter.call(this, Date())
            Timestamp::class.createType(nullable = true) -> property.setter.call(this, Timestamp(Date().time))
            JSONObject::class.createType(nullable = true) -> property.setter.call(this, JSONObject())
            else -> {
            }
        }
    }
    return this
}

/** round 所有double flout*/
@JvmOverloads
inline fun  T.beanRound(scale: Int = 2): T {
    val props = T::class.memberProperties
        .mapNotNull { it as? KMutableProperty<*> }
    for (property in props) {
        when (property.returnType) {
            Double::class.createType(nullable = true), Double::class.createType() -> {
                val value: Double? = property.getter.call(this) as? Double?
                if (value == null) {
                    property.setter.call(this, NumberUtil.round(0.0, scale).toDouble())
                } else {
                    property.setter.call(this, NumberUtil.round(value, scale).toDouble())
                }
            }
            Float::class.createType(nullable = true), Float::class.createType() -> {
                val value: Float? = property.getter.call(this) as? Float?

                if (value == null) {
                    property.setter.call(this, NumberUtil.round(0.0, scale).toFloat())
                } else {
                    property.setter.call(this, NumberUtil.round(value.toDouble(), scale).toFloat())
                }
            }
            else -> {
            }
        }
    }
    return this
}