<?php

namespace app\api\controller;

use think\Db;

/**
 * 后台管理端 · 会员管理（Module-ADM-MEMBER）
 * 路由：
 *   GET  /api/v1/admin/users            AMB1 用户列表
 *   POST /api/v1/admin/member/benefit   AMB2 会员权益配置
 */
class AdminMember extends V1
{
    /** 管理端接口必须校验管理员身份（V1 默认关闭了 URI 权限校验） */
    public function _initialize()
    {
        parent::_initialize();
        $this->adminOnly();
    }

    /**
     * AMB1 用户列表
     * GET /api/v1/admin/users 入参 {page,size}
     * → 分页 {list:[{id,nickname,phone,userType,isMember,status,registerAt}],page,size,total,hasMore}
     */
    public function users()
    {
        // 闭包重建查询：TP5.0 的 count() 会清空 Query::options，不能复用同一对象
        list($rows, $total, $page, $size) = $this->pageQuery(function ($forCount) {
            $q = Db::name('user')->alias('u')
                ->join('fc_user_ext e', 'e.user_id = u.id', 'LEFT');
            if ($forCount) {
                return $q;
            }
            return $q->field('u.id,u.nickname,u.mobile,u.status,u.jointime,e.user_type,e.is_member,e.member_expiretime')
                ->order('u.id desc');
        });

        $now = time();
        $list = [];
        foreach ($rows as $row) {
            $isMember = (int)$row['is_member'] === 1
                && !empty($row['member_expiretime']) && (int)$row['member_expiretime'] > $now;
            $list[] = [
                'id'         => (int)$row['id'],
                'nickname'   => (string)$row['nickname'],
                'phone'      => (string)$row['mobile'],
                'userType'   => (int)$row['user_type'],
                'isMember'   => $isMember,
                'status'     => $row['status'] === 'normal' ? 1 : 0,
                'registerAt' => $this->iso($row['jointime']),
            ];
        }

        $this->ok($this->paginate($list, $total, $page, $size));
    }

    /**
     * AMB2 会员权益配置
     * POST /api/v1/admin/member/benefit 入参 {freeView,postDiscount,distRate,benefits[]}
     * → {freeView,postDiscount,distRate,benefits[]}
     * 未被传入的字段保持原值；freeView <0 报错
     */
    public function saveBenefit()
    {
        $current = $this->cfg('member.benefit', []);
        if (!is_array($current)) {
            $current = [];
        }

        $freeView = $this->input('freeView', null);
        if ($freeView !== null && $freeView !== '') {
            if ((int)$freeView < 0) {
                $this->fail('免费查看条数不能为负');
            }
            $current['freeView'] = (int)$freeView;
        }

        $postDiscount = $this->input('postDiscount', null);
        if ($postDiscount !== null && $postDiscount !== '') {
            $current['postDiscount'] = (string)$postDiscount;
        }

        $distRate = $this->input('distRate', null);
        if ($distRate !== null && $distRate !== '') {
            $current['distRate'] = (string)$distRate;
        }

        // 注意：benefits 可能是数组，不能走 $this->input()（TP5.0 Request::input 默认按字符串强转，
        // 传入数组会抛 "variable type error：array"）；统一从 inputs() 取原始值。
        $allInputs = $this->inputs();
        $benefits = array_key_exists('benefits', $allInputs) ? $allInputs['benefits'] : null;
        if ($benefits !== null && $benefits !== '') {
            if (is_array($benefits)) {
                $current['benefits'] = array_values($benefits);
            } else {
                $decoded = json_decode((string)$benefits, true);
                $current['benefits'] = is_array($decoded) ? $decoded : [(string)$benefits];
            }
        }

        $defaults = [
            'freeView'     => 20,
            'postDiscount' => '8 折',
            'distRate'     => '一级 20% / 二级 10%',
            'benefits'     => [],
        ];
        $current = array_merge($defaults, $current);

        $this->setCfg('member.benefit', $current);
        $this->adminLog('修改会员权益配置');

        $this->ok([
            'freeView'     => (int)$current['freeView'],
            'postDiscount' => (string)$current['postDiscount'],
            'distRate'     => (string)$current['distRate'],
            'benefits'     => array_values((array)$current['benefits']),
        ]);
    }
}