<?php

namespace app\admin\controller\fc;

use app\common\controller\Backend;
use think\Db;

/**
 * 同城-订单
 *
 * @icon fa fa-circle-o
 */
class Order extends Backend
{

    /**
     * FcOrder模型对象
     * @var \app\admin\model\FcOrder
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\FcOrder;
        $this->view->assign("statusList", $this->model->getStatusList());
    }


    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */

    /**
     * 订单退款
     */
    public function refund()
    {
        $ids = $this->request->post('ids');
        $amount = $this->request->post('amount');
        $reason = $this->request->post('reason', '');

        $ids = is_array($ids) ? $ids : explode(',', (string)$ids);
        $ids = array_filter($ids);
        if (!$ids) {
            $this->error('请选择要退款的订单');
        }

        $orders = Db::name('fc_order')->where('id', 'in', $ids)->select();
        if (!$orders) {
            $this->error('订单不存在');
        }

        // 金额留空 = 按每笔订单实付金额全额退款
        $amount = ($amount === '' || $amount === null || (float)$amount <= 0) ? null : (float)$amount;

        $ok = 0;
        $errors = [];
        foreach ($orders as $order) {
            try {
                \app\common\library\OrderRefund::refund((int)$order['id'], $amount, (string)$reason);
                $ok++;
            } catch (\Throwable $e) {
                $errors[] = $order['order_no'] . '：' . $e->getMessage();
            }
        }

        if ($ok === 0) {
            $this->error('退款失败：' . implode('；', $errors));
        }

        $msg = '退款成功 ' . $ok . ' 笔';
        if ($errors) {
            $msg .= '，失败 ' . count($errors) . ' 笔：' . implode('；', $errors);
        }
        $this->success($msg);
    }

    /**
     * 订单补单（含权益发放与分销结算）
     *
     * @return void
     */
    public function supplement()
    {
        $orderNo = trim((string)$this->request->post('orderNo', ''));
        if ($orderNo === '') {
            $this->error('订单号不能为空');
        }
        $order = Db::name('fc_order')->where('order_no', $orderNo)->find();
        if (!$order) {
            $this->error('订单不存在');
        }
        if ((string)$order['status'] === 'paid') {
            $this->success('订单已支付');
        }
        if ((string)$order['status'] !== 'pending') {
            $this->error('订单状态不支持补单（当前：' . $order['status'] . '）');
        }

        $now = time();
        try {
            Db::transaction(function () use ($order, $now) {
                $locked = Db::name('fc_order')->where('id', (int)$order['id'])->lock(true)->find();
                if (!$locked || (string)$locked['status'] !== 'pending') {
                    return;
                }

                $affected = Db::name('fc_order')
                    ->where('id', (int)$order['id'])
                    ->where('status', 'pending')
                    ->update([
                        'status'     => 'paid',
                        'paytime'    => $now,
                        'updatetime' => $now,
                    ]);
                if (!$affected) {
                    return;
                }

                $locked['status']  = 'paid';
                $locked['paytime'] = $now;

                Db::name('fc_finance_flow')->insert([
                    'user_id'    => (int)$locked['user_id'],
                    'flow_no'    => 'SK' . date('YmdHis') . $locked['id'],
                    'type'       => 'income',
                    'scene'      => '订单补单',
                    'amount'     => $locked['amount'],
                    'balance'    => 0,
                    'related_id' => $locked['id'],
                    'remark'     => '订单补单',
                    'createtime' => $now,
                ]);

                // 统一发放订单权益（会员开通 / 余额充值入账 / 付费查看解锁 / 发帖激活）并触发分销佣金结算
                \app\common\library\OrderFulfill::handle($locked);
            });
        } catch (\Throwable $e) {
            \think\Log::record('后台订单补单失败：订单 ' . $orderNo . '，' . $e->getMessage(), 'error');
            $this->error('补单失败：' . $e->getMessage());
        }

        $this->success('补单成功');
    }
}