<?php

namespace app\api\controller;

use app\api\model\Order as OrderModel;
use app\api\model\Cart as CartModel;
use app\common\enum\DeliveryType as DeliveryTypeEnum;
use app\common\enum\order\PayType as PayTypeEnum;

/**
 * 订单控制器
 * Class Order
 * @package app\api\controller
 */
class Order extends Controller
{
    /* @var \app\api\model\User $user */
    private $user;

    /**
     * 构造方法
     * @throws \app\common\exception\BaseException
     * @throws \think\exception\DbException
     */
    public function _initialize()
    {
        parent::_initialize();
        $this->user = $this->getUser();   // 用户信息
    }

    /**
     * 订单确认-立即购买
     * @param int $goods_id 商品id
     * @param int $goods_num 购买数量
     * @param int $goods_sku_id 商品sku_id
     * @param int $delivery 配送方式
     * @param int $pay_type 支付方式
     * @param int $coupon_id 优惠券id
     * @param int $shop_id 自提门店id
     * @param string $remark 买家留言
     * @return array
     * @throws \app\common\exception\BaseException
     * @throws \think\exception\DbException
     * @throws \Exception
     */
    public function buyNow(
        $goods_id,
        $goods_num,
        $goods_sku_id,
        $delivery = DeliveryTypeEnum::EXPRESS,
        $pay_type = PayTypeEnum::WECHAT,
        $shop_id = 0,
        $coupon_id = null,
        $remark = ''
    )
    {
        // 商品结算信息
        $model = new OrderModel;
        $order = $model->getBuyNow(
            $this->user,
            $goods_id,
            $goods_num,
            $goods_sku_id,
            $delivery,
            $pay_type,
            $shop_id
        );
        if (!$this->request->isPost()) {
            return $this->renderSuccess($order);
        }
        if ($model->hasError()) {
            return $this->renderError($model->getError());
        }
        // 创建订单
        if (!$model->createOrder($this->user, $order, $coupon_id, $remark)) {
            return $this->renderError($model->getError() ?: '订单创建失败');
        }
        // 构建微信支付请求
        $payment = ($pay_type == PayTypeEnum::WECHAT) ? $model->paymentByWechat($this->user) : [];
        return $this->renderSuccess([
            'order_id' => $model['order_id'],   // 订单id
            'pay_type' => $pay_type,            // 支付方式
            'payment' => $payment               // 微信支付参数
        ]);
    }

    /**
     * 订单确认-购物车结算
     * @param string $cart_ids (支持字符串ID集)
     * @param int $delivery 配送方式
     * @param int $pay_type 支付方式
     * @param int $shop_id 自提门店id
     * @param int $coupon_id 优惠券id
     * @param string $remark 买家留言
     * @return array
     * @throws \app\common\exception\BaseException
     * @throws \think\Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     * @throws \Exception
     */
    public function cart(
        $cart_ids,
        $delivery = DeliveryTypeEnum::EXPRESS,
        $pay_type = PayTypeEnum::WECHAT,
        $shop_id = 0,
        $coupon_id = null,
        $remark = ''
    )
    {
        // 商品结算信息
        $Cart = new CartModel($this->user);
        $order = $Cart->getList($cart_ids, $delivery, $pay_type, $shop_id);
        if (!$this->request->isPost()) {
            return $this->renderSuccess($order);
        }
        // 创建订单
        $model = new OrderModel;
        if (!$model->createOrder($this->user, $order, $coupon_id, $remark)) {
            return $this->renderError($model->getError() ?: '订单创建失败');
        }
        // 移出购物车中已下单的商品
        $Cart->clearAll($cart_ids);
        // 构建微信支付请求
        $payment = ($pay_type == PayTypeEnum::WECHAT) ? $model->paymentByWechat($this->user) : [];
        // 返回状态
        return $this->renderSuccess([
            'order_id' => $model['order_id'],   // 订单id
            'pay_type' => $pay_type,            // 支付方式
            'payment' => $payment               // 微信支付参数
        ]);
    }

}