<?php
class erpDailyUcoTargetMapper
{
    public static function map($payload)
    {
        $after = $payload['after'] ?? [];

        return [
            "cduDate"              => self::date($after['u_date'] ?? null),
            "cduExternalDriverId"  => $after['u_druid'] ?? null,                                       // employee_external_map 참조
            "cduTargetQty"         => isset($after['u_target_qty']) ? (float)$after['u_target_qty'] : null,
            "cduTargetVisitCnt"    => isset($after['u_target_visit_cnt']) ? (int)$after['u_target_visit_cnt'] : null,
            "cduTargetSyncedAt"    => self::datetime($after['u_synced_at'] ?? null),
            "cduExternalCreatedBy" => $after['u_createruid'] ?? null,                                  // employee_external_map 참조
            "cduExternalUpdatedBy" => $after['u_createruid'] ?? null,
            "cduLoginUser"         => $after['u_createruid'] ?? null,
        ];
    }

    private static function date($yyyymmdd)
    {
        if (empty($yyyymmdd) || strlen($yyyymmdd) != 8) {
            return null;
        }
        return substr($yyyymmdd,0,4)."-".
               substr($yyyymmdd,4,2)."-".
               substr($yyyymmdd,6,2);
    }

    private static function datetime($yyyymmddhhmiss)
    {
        if (empty($yyyymmddhhmiss) || strlen($yyyymmddhhmiss) != 14) {
            return null;
        }
        return substr($yyyymmddhhmiss,0,4)."-".
               substr($yyyymmddhhmiss,4,2)."-".
               substr($yyyymmddhhmiss,6,2)."T".
               substr($yyyymmddhhmiss,8,2).":".
               substr($yyyymmddhhmiss,10,2).":".
               substr($yyyymmddhhmiss,12,2);
    }
}