<?php

namespace addons\shopro\service\partner;

use addons\shopro\service\commission\Agent as AgentService;
use app\admin\model\shopro\commission\Agent as AgentModel;

/**
 * 从买家向上走关系链
 */
class ChainService
{
    /**
     * @param int $buyerId
     * @param bool $includeSelf 是否把买家自己放进链头（酒道馆自购）
     * @return array
     */
    public function collect($buyerId, $includeSelf = false)
    {
        $nodes = [];
        $max = PartnerConfig::chainMaxDepth();
        $visited = [];

        if ($includeSelf) {
            $self = $this->node($buyerId);
            if ($self) {
                $nodes[] = $self;
                $visited[$buyerId] = true;
            }
        }

        $currentId = $buyerId;
        for ($i = 0; $i < $max; $i++) {
            $agent = new AgentService($currentId);
            $parentId = $agent->getParentUserId();
            if (!$parentId || isset($visited[$parentId])) {
                break;
            }
            $node = $this->node($parentId);
            if (!$node) {
                break;
            }
            $nodes[] = $node;
            $visited[$parentId] = true;
            $currentId = $parentId;
        }

        return $nodes;
    }

    public function node($userId)
    {
        if (!$userId) {
            return null;
        }
        $agent = AgentModel::where('user_id', $userId)
            ->where('status', 'in', ['normal', 'freeze'])
            ->find();
        if (!$agent) {
            return null;
        }
        return [
            'user_id' => intval($agent->user_id),
            'level' => intval($agent->level),
            'is_venue' => intval($agent->is_venue),
            'is_county' => intval($agent->is_county),
            'county_code' => (string) $agent->county_code,
            'last_self_order_time' => $agent->last_self_order_time ? intval($agent->last_self_order_time) : 0,
            'direct_order_seq' => intval($agent->direct_order_seq),
            'status' => $agent->status,
            'agent' => $agent,
        ];
    }
}