<?php

namespace addons\shopro\service\partner;

/**
 * 酒道馆 / 区县协同奖 10% 逐代递减级联，最低发放不能少于 0.10 元截断
 */
class PeerShareReward
{
    public function run($order, $buyerId, $chain, $teamResult, ActiveService $active)
    {
        $venueRate = (float) PartnerConfig::get('partner_venue_peer_rate', 0.10);
        $countyRate = (float) PartnerConfig::get('partner_county_peer_rate', 0.10);

        if (!empty($teamResult['venue'])) {
            $this->peer($order, $buyerId, $chain, $teamResult['venue'], 'is_venue', 'venue_peer', 'venue', $venueRate, $active, '酒道馆');
        }
        if (!empty($teamResult['county'])) {
            $this->peer($order, $buyerId, $chain, $teamResult['county'], 'is_county', 'county_peer', 'county', $countyRate, $active, '区县');
        }
    }

    protected function peer($order, $buyerId, $chain, $from, $flag, $type, $role, $rate, ActiveService $active, $label)
    {
        $minAmount = (float) PartnerConfig::get('partner_peer_min_amount', 0.10);
        if ($minAmount <= 0) {
            $minAmount = 0.10;
        }

        $maxGenerations = intval(PartnerConfig::get("partner_{$role}_peer_max_generations", 50));
        if ($maxGenerations <= 0) {
            $maxGenerations = 50;
        }

        $currentFrom = intval($from['index']);
        $currentBase = (float) $from['amount'];
        $sourceUserId = $from['user_id'];

        for ($gen = 1; $gen <= $maxGenerations; $gen++) {
            $peerIdx = -1;
            for ($i = $currentFrom + 1; $i < count($chain); $i++) {
                if (intval($chain[$i][$flag] ?? 0)) {
                    $peerIdx = $i;
                    break;
                }
            }
            if ($peerIdx < 0) {
                break;
            }

            $peer = $chain[$peerIdx];
            $amount = round($currentBase * $rate, 2);
            if ($amount < $minAmount) {
                break; // 收益少于 0.10 元，上级平级不再拿，严格截断
            }

            if (!$active->isActive($peer['agent'] ?? $peer)) {
                PartnerRewardService::writeSkip(
                    $order,
                    $buyerId,
                    $peer['user_id'],
                    $type,
                    $role,
                    'inactive_30d',
                    "{$label}协同(第{$gen}代) 30 日无自购"
                );
            } else {
                PartnerRewardService::account(
                    $order,
                    $buyerId,
                    $peer['user_id'],
                    $type,
                    $role,
                    $amount,
                    $currentBase,
                    [
                        'generation' => $gen,
                        'formula' => "{$label}协同(第{$gen}代) {$currentBase} × " . ($rate * 100) . "% = {$amount}",
                        'from_user_id' => $sourceUserId,
                    ]
                );
            }

            $currentFrom = $peerIdx;
            $currentBase = $amount;
            $sourceUserId = $peer['user_id'];

            if ($currentBase < $minAmount) {
                break;
            }
        }
    }
}