<?php

namespace app\agent\controller;

use think\admin\Controller;
use think\facade\Db;

/**
 * 代理商后台
 */
class Index extends Controller
{
    /**
     * 生成激活码
     */
    public function generate()
    {
        if ($this->request->isPost()) {
            $count = intval(input('count', 1));
            $count = max(1, min($count, 100)); // 限制一次最多生成100个
            
            // 获取当前代理商信息
            $agentId = session('agent.id');
            $agent = Db::name('cursor_agents')->where('id', $agentId)->find();
            if (empty($agent)) {
                $this->error('代理商信息不存在！');
            }

            // 开启事务
            Db::startTrans();
            try {
                $codes = [];
                $agentCodes = [];
                $now = date('Y-m-d H:i:s');

                for ($i = 0; $i < $count; $i++) {
                    // 生成激活码
                    $codes[] = [
                        'code' => strtoupper(substr(md5(uniqid() . mt_rand()), 0, 16)),
                        'days' => 30, // 固定30天
                        'created_at' => $now,
                        'is_used' => 0
                    ];
                }
                
                // 批量插入激活码
                $codeIds = Db::name('cursor_activation_codes')->insertAll($codes);

                // 计算佣金
                $price = 100; // 固定价格100元
                $commission = $price * ($agent['commission_rate'] / 100);
                
                // 如果是二级代理，计算上级佣金
                $parentCommission = 0;
                if ($agent['level'] == 2 && $agent['parent_id'] > 0) {
                    $parent = Db::name('cursor_agents')->where('id', $agent['parent_id'])->find();
                    if ($parent) {
                        $parentCommission = $price * ($parent['commission_rate'] / 100);
                    }
                }

                // 准备代理商激活码数据
                foreach ($codes as $index => $code) {
                    $agentCodes[] = [
                        'agent_id' => $agentId,
                        'code_id' => $codeIds[$index],
                        'price' => $price,
                        'commission' => $commission,
                        'parent_commission' => $parentCommission,
                        'status' => 0,
                        'created_at' => $now,
                        'updated_at' => $now
                    ];
                }

                // 批量插入代理商激活码关联
                Db::name('cursor_agent_codes')->insertAll($agentCodes);

                Db::commit();
                $this->success('生成成功！');
            } catch (\Exception $e) {
                Db::rollback();
                $this->error('生成失败：' . $e->getMessage());
            }
        } else {
            $this->fetch();
        }
    }

    /**
     * 我的激活码列表
     */
    public function codes()
    {
        $this->title = '我的激活码';
        $agentId = session('agent.id');

        $query = $this->_query('cursor_agent_codes')->alias('ac')
            ->join('cursor_activation_codes c', 'c.id = ac.code_id')
            ->where('ac.agent_id', $agentId)
            ->field('ac.*, c.code, c.days, c.is_used, c.used_at, c.used_by');

        // 数据列表处理
        $query->equal('c.is_used')->equal('ac.status');
        // 列表排序并显示
        $query->order('ac.id desc')->page();
    }
}