<?php

namespace addons\shopro\service\partner;

/**
 * 创客平级 10% / 被超越 5%，只一层
 */
class MakerPeerReward
{
    public function run($order, $buyerId, $chain, $diffResult, ActiveService $active)
    {
        $bonus = PartnerConfig::makerBonus();
        $peerRate = (float) PartnerConfig::get('partner_maker_peer_rate', 0.10);
        $overRate = (float) PartnerConfig::get('partner_maker_overtaken_rate', 0.05);
        $paid = $diffResult['paid'] ?? [];
        $indexByUser = [];
        foreach ($chain as $i => $node) {
            $indexByUser[$node['user_id']] = $i;
        }

        foreach ($paid as $item) {
            $from = $indexByUser[$item['user_id']] ?? -1;
            if ($from < 0) {
                continue;
            }
            $peer = $this->findUp($chain, $from + 1, function ($node) use ($item) {
                return intval($node['level']) === intval($item['level']);
            });
            if (!$peer) {
                continue;
            }
            $levelBonus = (float) ($bonus[$item['level']] ?? 0);
            $amount = round($levelBonus * $peerRate, 2);
            if (!$active->isActive($peer['agent'] ?? $peer)) {
                PartnerRewardService::writeSkip($order, $buyerId, $peer['user_id'], 'maker_peer', 'maker', 'inactive_30d', '平级创客 30 日无自购');
                continue;
            }
            if ($amount <= 0) {
                continue;
            }
            PartnerRewardService::account($order, $buyerId, $peer['user_id'], 'maker_peer', 'maker', $amount, $levelBonus, [
                'formula' => "平级 {$levelBonus} × " . ($peerRate * 100) . "% = {$amount}",
                'from_user_id' => $item['user_id'],
                'level' => $item['level'],
            ]);
        }

        if (empty($paid)) {
            return;
        }
        $highest = $paid[count($paid) - 1];
        $from = $indexByUser[$highest['user_id']] ?? -1;
        $lower = $this->findUp($chain, $from + 1, function ($node) use ($highest) {
            return intval($node['level']) >= 2 && intval($node['level']) < intval($highest['level']);
        });
        if (!$lower) {
            return;
        }
        $amount = round((float) $highest['cap'] * $overRate, 2);
        if (!$active->isActive($lower['agent'] ?? $lower)) {
            PartnerRewardService::writeSkip($order, $buyerId, $lower['user_id'], 'maker_overtaken', 'maker', 'inactive_30d', '被超越创客 30 日无自购');
            return;
        }
        if ($amount <= 0) {
            return;
        }
        PartnerRewardService::account($order, $buyerId, $lower['user_id'], 'maker_overtaken', 'maker', $amount, $highest['cap'], [
            'formula' => "超越奖 最高水位 {$highest['cap']} × " . ($overRate * 100) . "% = {$amount}",
            'from_user_id' => $highest['user_id'],
        ]);
    }

    protected function findUp($chain, $start, $matcher)
    {
        for ($i = $start; $i < count($chain); $i++) {
            if ($matcher($chain[$i])) {
                return $chain[$i];
            }
        }
        return null;
    }
}