<?php

namespace app\api\controller;

use think\Db;

/**
 * 用户端 · 会员中心（Module-MEMBER）
 * 路由：
 *   GET  /api/v1/member/plans      M1 会员套餐
 *   GET  /api/v1/member/benefits   M2 会员权益
 *   POST /api/v1/member/open       M3 开通会员
 *   GET  /api/v1/member/orders     M4 我的订单
 *   GET  /api/v1/member/assets     M5 我的资产
 */
class Member extends V1
{
    /**
     * M1 会员套餐
     * GET /api/v1/member/plans  →  [{planId,name,price,originPrice,days,tag}]
     * 规则：仅 enabled=1，按 sort asc
     */
    public function plans()
    {
        $rows = Db::name('fc_plan')
            ->where('enabled', 1)
            ->order('sort asc')
            ->select();

        $list = [];
        foreach ($rows as $row) {
            $list[] = [
                'planId'      => (string)$row['plan_code'],
                'name'        => (string)$row['name'],
                'price'       => (float)$row['price'],
                'originPrice' => (float)$row['origin_price'],
                'days'        => (int)$row['days'],
                'tag'         => (string)$row['tag'],
            ];
        }
        $this->ok($list);
    }

    /**
     * M2 会员权益
     * GET /api/v1/member/benefits  →  {freeView,postDiscount,distRate,benefits[]}
     * 规则：读配置 member.benefit，未配置返回默认
     */
    public function benefits()
    {
        $default = [
            'freeView'     => 20,
            'postDiscount' => '8 折',
            'distRate'     => '一级 20% / 二级 10%',
            'benefits'     => ['每日免费查看 20 条联系方式', '发布信息 8 折', '专属会员标识', '分销佣金加速结算'],
        ];

        $cfg = $this->cfg('member.benefit', null);
        if (!is_array($cfg)) {
            $cfg = $default;
        }

        $benefits = isset($cfg['benefits']) && is_array($cfg['benefits']) && $cfg['benefits']
            ? array_values($cfg['benefits'])
            : $default['benefits'];

        $this->ok([
            'freeView'     => isset($cfg['freeView']) ? (int)$cfg['freeView'] : $default['freeView'],
            'postDiscount' => isset($cfg['postDiscount']) ? (string)$cfg['postDiscount'] : $default['postDiscount'],
            'distRate'     => isset($cfg['distRate']) ? (string)$cfg['distRate'] : $default['distRate'],
            'benefits'     => $benefits,
        ]);
    }

    /**
     * M3 开通会员
     * POST /api/v1/member/open  {planId,payType}  →  {orderNo,status,expireAt}
     * 规则 BR-07；套餐按 plan_code 查；余额支付扣 fa_user.money
     */
    public function open()
    {
        $user = $this->auth();

        $planId = trim((string)$this->input('planId', ''));
        if ($planId === '') {
            $this->fail('请选择会员套餐');
        }

        $payType = (string)$this->input('payType', '');
        if (!in_array($payType, ['wxpay', 'balance'], true)) {
            $this->fail('支付方式不支持');
        }

        $plan = Db::name('fc_plan')->where('plan_code', $planId)->find();
        if (!$plan) {
            $this->fail('套餐不存在');
        }

        $amount = round((float)$plan['price'], 2);
        $now = time();

        $orderNo = $this->orderNo('MO');
        $orderId = Db::name('fc_order')->insertGetId([
            'order_no'   => $orderNo,
            'user_id'    => $user['id'],
            'type'       => 'member',
            'title'      => (string)$plan['name'],
            'amount'     => $amount,
            'pay_type'   => $payType,
            'status'     => 'paid',
            'paytime'    => $now,
            'related_id' => 0,
            'createtime' => $now,
            'updatetime' => $now,
        ]);

        if ($payType === 'balance') {
            $balance = (float)$user['money'];
            if ($balance < $amount) {
                $this->fail('余额不足');
            }
            $balance = round($balance - $amount, 2);
            Db::name('user')->where('id', $user['id'])->update([
                'money'      => $balance,
                'updatetime' => $now,
            ]);
        }

        $ext = $this->ext($user['id']);
        $base = (int)$ext['member_expiretime'];
        if ($base < $now) {
            $base = $now;
        }
        $expire = $base + (int)$plan['days'] * 86400;

        Db::name('fc_user_ext')->where('user_id', $user['id'])->update([
            'is_member'        => 1,
            'member_level'     => (string)$plan['name'],
            'member_expiretime' => $expire,
            'updatetime'       => $now,
        ]);

        $this->flow('income', '会员开通', $amount, 0, $orderId);

        $this->ok([
            'orderNo'  => $orderNo,
            'status'   => 'paid',
            'expireAt' => $this->iso($expire),
        ]);
    }

    /**
     * M4 我的订单
     * GET /api/v1/member/orders  {page,size}  →  {list,page,size,total,hasMore}
     * 规则：按 createtime desc
     */
    public function orders()
    {
        $user = $this->auth();
        list($page, $size) = $this->pager();

        $total = Db::name('fc_order')->where('user_id', $user['id'])->count();

        $rows = Db::name('fc_order')
            ->where('user_id', $user['id'])
            ->order('createtime desc')
            ->page($page, $size)
            ->select();

        $list = [];
        foreach ($rows as $row) {
            $list[] = [
                'id'        => (int)$row['id'],
                'orderNo'   => (string)$row['order_no'],
                'type'      => (string)$row['type'],
                'title'     => (string)$row['title'],
                'amount'    => (float)$row['amount'],
                'payType'   => (string)$row['pay_type'],
                'status'    => (string)$row['status'],
                'createdAt' => $this->iso($row['createtime']),
            ];
        }

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

    /**
     * M5 我的资产
     * GET /api/v1/member/assets  →  {balance,coupons:[],points}
     */
    public function assets()
    {
        $user = $this->auth();

        $this->ok([
            'balance' => (float)$user['money'],
            'coupons' => [],
            'points'  => (int)$user['score'],
        ]);
    }
}