extension_func_challenge.kt

/**
 * Can you simplify this code?
 * ==================================
 * Assesment Point:
 * 1. Line of code
 * 2. Variable naming
 * ==================================
 *
 * Get Data from this API to test your code: 
 * http://demo3325159.mockable.io/getBatchConfig
 *
 * Sample of returned list from below functions:
 * HashMap<Int, String> RegionName = {1=Indonesia, 2=Singapore}
 * HashMap<String, String> RegionId = {sg=Singapore, id=Indonesia}
 * HashMap<Int, String> VerticalType = {1=Apparel, 2=On Demand, 3=Designer Bag}
 * HashMap<String, String> VerticalTypeId = {bags=Designer Bag, apparel=Apparel, on_demand=On Demand}
 */
fun BatchConfig.Result.addToRegionNameList(list: HashMap<Int, String>): HashMap<Int, String> {
    val sortedList : HashMap<Int, String> = hashMapOf()
    val regionName = region.takeIf { !list.values.contains(it?.name) }
    regionName.notNull { list[regionOutboundOrder] = it.name }
    list.toSortedMap().toMap(sortedList)
    return sortedList
}

fun BatchConfig.Result.addToRegionIdList(list: HashMap<String, String>): HashMap<String, String> {
    val sortedList : HashMap<String, String> = hashMapOf()
    val regionId = region.takeIf { !list.values.contains(it?.name) }
    regionId.notNull { list[it.id] = it.name }
    list.toSortedMap().toMap(sortedList)
    return sortedList
}

fun BatchConfig.Result.addToVerticalTypeList(list: HashMap<Int, String>): HashMap<Int, String> {
    val sortedList : HashMap<Int, String> = hashMapOf()
    val verticalName = vertical.takeIf { !list.values.contains(it?.name) }
    verticalName.notNull { list[verticalTypeOutboundOrder] = it.name }
    list.toSortedMap().toMap(sortedList)
    return sortedList
}

fun BatchConfig.Result.addToVerticalTypeIdList(list: HashMap<String, String>): HashMap<String, String> {
    val sortedList : HashMap<String, String> = hashMapOf()
    val verticalId = vertical.takeIf { !list.values.contains(it?.name) }
    verticalId.notNull { list[it.id] = it.name }
    list.toSortedMap().toMap(sortedList)
    return sortedList
}