<?php

namespace app\api\controller\commission;

use app\common\model\commission\Reward as RewardModel;
use app\common\model\commission\Agent as AgentModel;
use app\common\library\BcMath;


class Reward extends Commission
{
    protected $noNeedLogin = [];
    protected $noNeedRight = ['*'];

    /**
     * 分销商佣金列表
     */
    public function list()
    {
        $params = $this->request->param();
        
        // 使用验证器验证分页参数：page, page_size, year_month
        $validate = new \app\api\validate\Reward();
        if (!$validate->scene('list')->check($params)) {
            $this->error($validate->getError());
        }
        
        $agentId = $this->service->user->id;
        
        // 验证当前用户是否为代理商
        $agent = $this->service->agent;
        if (!$agent) {
            $this->error('您还不是分销商');
        }
        
        // 获取验证后的参数
        $pageSize = isset($params['page_size']) ? (int)$params['page_size'] : 8;
        $yearMonth = isset($params['year_month']) ? trim($params['year_month']) : '';

        // 构建查询条件
        $query = RewardModel::where('agent_id', $agent->user_id)
            ->where('status', RewardModel::COMMISSION_REWARD_STATUS_ACCOUNTED) // 只查询已结算的佣金
            ->with(['commissionOrder']) // 关联佣金订单信息
            ->order('commission_time desc'); // 按佣金时间倒序

        // 年月筛选 (支持YYYY-MM格式)
        if (!empty($yearMonth)) {
            $timeWhere = $this->getYearMonthConditions($yearMonth);
            if ($timeWhere) {
                $query->where($timeWhere);
            }
        }

        // 分页查询
        $data = $query->paginate($pageSize);
        $paginateData = $data->toArray();
        
        // 处理佣金列表数据
        $this->processRewardList($paginateData['data']);
        
        // 计算summary统计信息
        $totalAmount = '0.00';
        $arrData = $paginateData['data'] ?? [];
        foreach ($arrData as $record) {
            $totalAmount = BcMath::add($totalAmount, $record['commission'], 2);
        }
        
        // 重新构造返回数据
        $result = [
            'total' => $paginateData['total'],
            'per_page' => $paginateData['per_page'],
            'current_page' => $paginateData['current_page'],
            'last_page' => $paginateData['last_page'],
            'list' => $paginateData['data'],
            'summary' => [
                'total_amount' => BcMath::format($totalAmount),
            ]
        ];

        $this->success("", $result);
    }

    /**
     * 处理佣金列表数据
     * @param array $rewardList 佣金列表数据的引用
     * @return void
     */
    private function processRewardList(&$rewardList)
    {
        if (empty($rewardList)) {
            return;
        }

        foreach ($rewardList as &$reward) {
            // 格式化佣金金额
            $reward['commission'] = BcMath::format($reward['commission'] ?? '0.00');
            
            // 格式化佣金时间
            $reward['commission_time_text'] = !empty($reward['commission_time']) 
                ? date('Y-m-d H:i:s', $reward['commission_time']) 
                : '';
                
            // 添加佣金类型描述
            $reward['type_text'] = $this->getRewardTypeText($reward['type'] ?? '');
            
            // 添加订单信息（如果有关联订单）
            if (!empty($reward['commission_order'])) {
                $order = $reward['commission_order'];
                $reward['order_info'] = [
                    'order_id' => $order['order_id'] ?? '',
                    'amount' => BcMath::format($order['amount'] ?? '0.00'),
                    'buyer_nickname' => $order['buyer_nickname'] ?? '',
                ];
            }
            
            // 清理不需要的关联数据，避免冗余
            unset($reward['commission_order']);
        }
    }

    /**
     * 获取佣金类型描述
     * @param string $type 佣金类型
     * @return string
     */
    private function getRewardTypeText($type)
    {
        $typeMap = [
            'money' => '现金佣金',
            'score' => '积分佣金',
            'commission' => '佣金收益',
        ];

        return $typeMap[$type] ?? '未知类型';
    }

    /**
     * 获取年月筛选条件 (与提现模块保持一致)
     * @param string $yearMonth 年月字符串 (YYYY-MM格式)
     * @return array|null 返回包含时间条件的数组
     */
    private function getYearMonthConditions($yearMonth)
    {
        if (empty($yearMonth)) {
            return null;
        }
        
        // 解析年月字符串 (YYYY-MM)
        if (preg_match('/^(\d{4})-(\d{2})$/', $yearMonth, $matches)) {
            $year = (int)$matches[1];
            $month = (int)$matches[2];
            
            // 按年月筛选
            $startTime = mktime(0, 0, 0, $month, 1, $year);
            $endTime = mktime(23, 59, 59, $month + 1, 0, $year);
            
            return [
                'commission_time' => ['between', [$startTime, $endTime]]
            ];
        }
        
        return null;
    }
}