<?php
declare(strict_types=0);


require_once(BASE_HELPER_PATH . '/model_helper.php');
require_once(BASE_HELPER_PATH . '/calc_helper.php');


class member_inviteeControl extends mbMemberControl
{
    public function listOp()
    {
        $mod_member = Model('member');
        $items = $mod_member->getMemberList(['inviter_id' => session_helper::memberid()],'*', 0, 'member_time desc');

        $result = [];
        foreach ($items as $item)
        {
            $user_info = new member_info($item);
            $result[] = $user_info->filter();
        }

        return self::outsuccess($result);
    }

    public static function comp_policy($left,$right)
    {
        $t_l = intval($left['num']);
        $t_r = intval($right['num']);

        if($t_l > $t_r) {
            return 1;
        }
        elseif($t_l == $t_r)
        {
            return 0;
        }
        else {
            return -1;
        }
    }

    public function goods_shareOp()
    {
        $goods_id = intval($_GET['goods_id']);
        if($goods_id <= 0) {
            return self::outerr(errcode::ErrParamter,'goods_id 不能小于0.');
        }
        else
        {
            $calctor = new CalcPrice(session_helper::memberid());
            $policy = $calctor->share_policy($goods_id);
            if(empty($policy)) {
                return self::outsuccess([]);
            }

            usort($policy,[__CLASS__,'comp_policy']);
            [$policy,$maxnum,$amount] = $this->fill_policy($policy);
            $result['policy'] = $policy;

            $left_invitees = $calctor->left_invitees();
            $invitees = [];

            if($maxnum > $left_invitees) {
                $result['tip_title'] = "邀请{$maxnum}好友，可以补贴{$amount}元";
                $result['tip_num'] = $maxnum-$left_invitees;
                $count = $left_invitees;
            }
            else {
                $result['tip_title'] = "您已成功邀请{$maxnum}好友，下单后补贴{$amount}元";
                $result['tip_num'] = 0;
                $count = $maxnum;
            }

            if($left_invitees > 0)
            {
                $mod_member = Model('member');
                $items = $mod_member->getMemberList(['inviter_id' => session_helper::memberid()],'*', 0, 'member_id desc',$left_invitees);
                $items = array_reverse($items);

                $index = 0;
                foreach ($items as $item)
                {
                    try {
                        if($index >= $count) break;
                        $member = new member_info($item);
                        $invitees[] = $member->filter();
                        $index++;
                    }
                    catch (Exception $ex) {
                        Log::record($ex->getMessage(),Log::ERR);
                    }
                }
            }
            $result['invitess'] = $invitees;

            return self::outsuccess($result);
        }
    }

    private function fill_policy($policy)
    {
        $index = 1;
        foreach ($policy as $item)
        {
            for($end = $item['num']; $end > $index;$index++) {
                $result[] = ['num' => $index,'discount' => 0];
            }
            $result[] = $item;
            $index += 1;
        }
        return [$result,$item['num'],$item['discount']];
    }
}