<?php

namespace addons\shopro\service\partner;

/**
 * 渠道管理奖（馆/县拆分），链下标越小越靠近买家：
 * - 无馆有县：县 100
 * - 有馆无县：馆 50
 * - 最近的馆在最近的县下方，或馆与县是同一人：馆 50 + 县 50
 * - 最近的县在最近的馆下方：县 100，县以上的馆不发
 */
class TeamSplitReward
{
    public function run($order, $buyerId, $chain, ActiveService $active, $rules = null)
    {
        $venueSplit = (isset($rules['venue_split']) && is_numeric($rules['venue_split']))
            ? (float) $rules['venue_split']
            : (float) PartnerConfig::get('partner_venue_split', 50);
        $countyFull = (isset($rules['county_full']) && is_numeric($rules['county_full']))
            ? (float) $rules['county_full']
            : (float) PartnerConfig::get('partner_county_full', 100);
        $result = ['venue' => null, 'county' => null];

        $venue = $this->nearest($chain, 'is_venue', $active);
        $county = $this->nearest($chain, 'is_county', $active);

        if (!$venue && !$county) {
            PartnerRewardService::writeSkip($order, $buyerId, 0, 'team_venue', 'system', 'not_venue', '链上无酒道馆且无区县');
            return $result;
        }

        // 县比馆更靠近买家时，馆在县之上，不发酒道馆管理奖
        $venueAboveCounty = $venue && $county && intval($venue['index']) > intval($county['index']);
        $venueEarns = $venue && !$venueAboveCounty;

        if ($venueEarns) {
            if ($venue['inactive']) {
                PartnerRewardService::writeSkip($order, $buyerId, $venue['user_id'], 'team_venue', 'venue', 'inactive_30d', '酒道馆 30 日无自购');
            } else {
                PartnerRewardService::account($order, $buyerId, $venue['user_id'], 'team_venue', 'venue', $venueSplit, $venueSplit, [
                    'formula' => "酒道馆管理奖 {$venueSplit}",
                ]);
                $result['venue'] = ['user_id' => $venue['user_id'], 'amount' => $venueSplit, 'index' => $venue['index']];
            }
        } elseif ($venueAboveCounty) {
            PartnerRewardService::writeSkip($order, $buyerId, $venue['user_id'], 'team_venue', 'venue', 'venue_above_county', '县以上酒道馆无收益');
        }

        if ($county) {
            $amount = $venueEarns ? $venueSplit : $countyFull;
            if ($county['inactive']) {
                PartnerRewardService::writeSkip($order, $buyerId, $county['user_id'], 'team_county', 'county', 'inactive_30d', '区县 30 日无自购');
            } else {
                if ($venue && intval($venue['user_id']) === intval($county['user_id'])) {
                    $formulaText = "区县管理奖 {$amount}（馆兼县）";
                } elseif ($venueEarns) {
                    $formulaText = "区县管理奖 {$amount}（馆上）";
                } elseif ($venueAboveCounty) {
                    $formulaText = "区县管理奖 {$amount}（县在馆下）";
                } else {
                    $formulaText = "区县管理奖 {$amount}（直达）";
                }
                PartnerRewardService::account($order, $buyerId, $county['user_id'], 'team_county', 'county', $amount, $amount, [
                    'formula' => $formulaText,
                ]);
                $result['county'] = ['user_id' => $county['user_id'], 'amount' => $amount, 'index' => $county['index']];
            }
        } elseif ($venue) {
            PartnerRewardService::writeSkip($order, $buyerId, 0, 'team_county', 'system', 'not_county', '有馆无区县');
        }

        return $result;
    }

    protected function nearest($chain, $flag, ActiveService $active)
    {
        foreach ($chain as $i => $node) {
            if (!intval($node[$flag] ?? 0)) {
                continue;
            }
            return [
                'user_id' => $node['user_id'],
                'index' => $i,
                'inactive' => !$active->isActive($node['agent'] ?? $node),
                'node' => $node,
            ];
        }
        return null;
    }
}