<?php

namespace mall\controllers;

use bizHd\custom\classes\CustomClass;
use bizHd\goods\classes\GoodsClass;
use bizHd\groupBuy\classes\GroupBuyActivityClass;
use bizHd\groupBuy\classes\GroupBuyClass;
use bizHd\groupBuy\classes\GroupBuyMemberClass;
use bizHd\order\services\OrderService;
use bizHd\shop\classes\ShopClass;
use bizMall\hd\classes\HdClass;
use common\components\business;
use common\components\dict;
use common\components\orderSn;
use common\components\stringUtil;
use common\components\util;
use mall\models\groupBuy\CreateGroupBuyForm;
use mall\models\groupBuy\JoinGroupBuyForm;
use Yii;

/**
 * 商城端拼团接口
 * 落地页 / 团详情 / 开团 / 参团 / 我的拼团
 */
class GroupBuyController extends BaseController
{
    public $guestAccess = [
        'goods-landing',
        'detail',
    ];

    /**
     * 团购商品落地页：活动商品信息 + 当前最快成团开放团
     * GET goodsId
     */
    public function actionGoodsLanding()
    {
        $mainId = intval($this->mainId);
        if ($mainId <= 0) {
            util::fail('无效门店');
        }
        $goodsId = intval(Yii::$app->request->get('goodsId', 0));
        if ($goodsId <= 0) {
            util::fail('请选择商品');
        }
        $row = GroupBuyActivityClass::getActiveGoodsRowByGoodsId($mainId, $goodsId);
        if (empty($row)) {
            util::fail('团购活动已结束或商品已下架');
        }
        $goods = GoodsClass::getById($goodsId, true);
        $cover = strval($row['cover'] ?? '');
        $coverUrl = $cover;
        if ($cover !== '' && strpos($cover, 'http') !== 0) {
            $formatted = business::formatUploadImg($cover);
            $coverUrl = $formatted['url'] ?? $cover;
        }
        $detailImages = [];
        if (!empty($goods)) {
            $pics = $goods->detail ?? ($goods->pic ?? '');
            if (is_string($pics) && $pics !== '') {
                $decoded = json_decode($pics, true);
                if (is_array($decoded)) {
                    foreach ($decoded as $p) {
                        if (is_string($p) && $p !== '') {
                            if (strpos($p, 'http') === 0) {
                                $detailImages[] = $p;
                            } else {
                                $fmt = business::formatUploadImg($p);
                                $detailImages[] = $fmt['url'] ?? $p;
                            }
                        }
                    }
                }
            }
        }
        $openGroup = GroupBuyClass::getHottestOpenGroup(
            $mainId,
            $goodsId,
            intval($row['activityGoodsId'] ?? 0)
        );
        util::success([
            'activityGoodsId' => intval($row['activityGoodsId']),
            'activityId' => intval($row['activityId']),
            'goodsId' => $goodsId,
            'name' => strval($row['name']),
            'cover' => $cover,
            'coverUrl' => $coverUrl,
            'price' => floatval($row['price']),
            'originPrice' => floatval($row['originPrice']),
            'groupSize' => intval($row['groupSize']),
            'stock' => intval($row['stock']),
            'limit' => intval($row['limit']),
            'virtualGroup' => intval($row['virtualGroup']),
            'virtualMinutes' => intval($row['virtualMinutes']),
            'autoRefund' => 1,
            'startTime' => intval($row['startTime']),
            'endTime' => intval($row['endTime']),
            'title' => strval($row['title']),
            'subtitle' => strval($row['subtitle']),
            'desc' => strval($row['desc']),
            'showCountdown' => intval($row['showCountdown']),
            'detailImages' => $detailImages,
            'openGroup' => $openGroup,
        ]);
    }

    /**
     * 拼团详情
     * GET id
     */
    public function actionDetail()
    {
        $mainId = intval($this->mainId);
        if ($mainId <= 0) {
            util::fail('无效门店');
        }
        $id = intval(Yii::$app->request->get('id', 0));
        if ($id <= 0) {
            util::fail('请选择拼团');
        }
        $detail = GroupBuyClass::getDetail($mainId, $id);
        // 附带活动商品落地信息，便于分享进入后完整展示
        $landing = GroupBuyActivityClass::getActiveGoodsRowById($mainId, intval($detail['activityGoodsId']));
        if (empty($landing)) {
            $landing = GroupBuyActivityClass::getActiveGoodsRowByGoodsId($mainId, intval($detail['goodsId']));
        }
        $detail['activityGoods'] = $landing;

        $currentShopId = intval(Yii::$app->request->get('account', 0));
        $hd = HdClass::getByCondition(['shopId' => $currentShopId, 'userId' => $this->userId], false, null, 'id, customId');
        if (empty($hd)) {
            // util::error(errCode::GROUP_BUY_HD_NOT_BOUND, '客户暂无关联此店');

            // 客户与当前门店无关系时，立即建立
            if (empty($this->user)) {
                util::fail('请先登录');
            }
            $shop = ShopClass::getById($currentShopId, true);
            if (empty($shop)) {
                util::fail('门店不存在');
            }
            $respond = CustomClass::buildRelation($shop, $this->user);
            if (empty($respond) || empty($respond['hd'])) {
                util::fail('关联门店失败');
            }
            $hdId = intval($respond['hd']->id);
        } else {
            $hdId = intval($hd['id']);
        }
        $detail['hdId'] = $hdId;

        util::success($detail);
    }

    /**
     * 我要开团：创建团 + 创建待支付订单 + 挂接团长成员
     */
    public function actionCreate()
    {
        $form = new CreateGroupBuyForm();
        $form->loadAndValidate();
        $mainId = intval($this->mainId);
        $custom = $this->custom;
        if (empty($custom)) {
            util::fail('请先登录');
        }
        $customId = intval($custom->id);
        $activityGoodsId = intval($form->activityGoodsId);
        $goodsNum = max(1, intval($form->goodsNum));

        $row = GroupBuyActivityClass::getActiveGoodsRowById($mainId, $activityGoodsId);
        if (empty($row)) {
            util::fail('团购活动已结束或商品已下架');
        }
        if ($goodsNum > intval($row['limit'])) {
            util::fail('超出单人限购数量');
        }

        $connection = Yii::$app->db;
        $transaction = $connection->beginTransaction();
        try {
            $group = GroupBuyClass::createGroup($mainId, intval($this->shopId), $customId, $row);
            $groupBuyId = intval($group['id']);
            $order = $this->createGroupBuyOrder($form, $row, $groupBuyId, $goodsNum);
            GroupBuyMemberClass::bindOrderMember(
                $groupBuyId,
                $mainId,
                $customId,
                intval($order->id),
                strval($order->orderSn),
                GroupBuyMemberClass::ROLE_LEADER
            );
            $transaction->commit();
            util::success([
                'groupBuyId' => $groupBuyId,
                'orderSn' => $order->orderSn,
                'totalPrice' => $order->actPrice,
                'id' => $order->id,
            ]);
        } catch (\Exception $e) {
            $transaction->rollBack();
            Yii::error('开团失败：' . $e->getMessage(), __METHOD__);
            $msg = $e->getMessage();
            if ($msg !== '' && mb_strlen($msg) < 80 && strpos($msg, 'SQLSTATE') === false) {
                util::fail($msg);
            }
            util::fail('开团失败');
        }
    }

    /**
     * 我要参团：加入已有团 + 创建待支付订单
     */
    public function actionJoin()
    {
        $form = new JoinGroupBuyForm();
        $form->loadAndValidate();
        $mainId = intval($this->mainId);
        $custom = $this->custom;
        $currentShopId = intval(Yii::$app->request->get('account', 0));
        if (empty($custom)) {
            $hd = HdClass::getByCondition(['shopId' => $currentShopId, 'userId' => $this->userId], false, null, 'id, customId');
            if (empty($hd)) {
                // 客户与当前门店无关系时，立即建立
                if (empty($this->user) || empty($this->shop)) {
                    util::fail('请先登录');
                }
                $respond = CustomClass::buildRelation($this->shop, $this->user);
                if (empty($respond) || empty($respond['custom'])) {
                    util::fail('关联门店失败');
                }
                $custom = $respond['custom'];
            } else {
                $customId = $hd['customId'];
                $custom = CustomClass::getById($customId, true);
            }
        }
        $customId = intval($custom->id);
        $groupBuyId = intval($form->groupBuyId);
        $goodsNum = max(1, intval($form->goodsNum));

        $connection = Yii::$app->db;
        $transaction = $connection->beginTransaction();
        try {
            $group = GroupBuyClass::assertCanJoin($mainId, $groupBuyId, $customId);
            $row = GroupBuyActivityClass::getActiveGoodsRowById($mainId, intval($group->activityGoodsId));
            if (empty($row)) {
                // 活动结束后仍允许在截止前参团：用团上快照价
                $row = [
                    'activityId' => intval($group->activityId),
                    'activityGoodsId' => intval($group->activityGoodsId),
                    'goodsId' => intval($group->goodsId),
                    'price' => floatval($group->price),
                    'limit' => 1,
                    'endTime' => intval($group->deadline),
                    'groupSize' => intval($group->needNum),
                    'virtualGroup' => intval($group->virtualGroup),
                    'virtualMinutes' => 0,
                ];
            }
            if ($goodsNum > intval($row['limit'] ?? 1)) {
                util::fail('超出单人限购数量');
            }
            $order = $this->createGroupBuyOrder($form, $row, $groupBuyId, $goodsNum, $custom);
            GroupBuyMemberClass::bindOrderMember(
                $groupBuyId,
                $mainId,
                $customId,
                intval($order->id),
                strval($order->orderSn),
                GroupBuyMemberClass::ROLE_MEMBER
            );
            $transaction->commit();
            util::success([
                'groupBuyId' => $groupBuyId,
                'orderSn' => $order->orderSn,
                'totalPrice' => $order->actPrice,
                'id' => $order->id,
            ]);
        } catch (\Exception $e) {
            $transaction->rollBack();
            Yii::error('参团失败：' . $e->getMessage(), __METHOD__);
            $msg = $e->getMessage();
            if ($msg !== '' && mb_strlen($msg) < 80 && strpos($msg, 'SQLSTATE') === false) {
                util::fail($msg);
            }
            util::fail('参团失败');
        }
    }

    /**
     * 我的拼团列表
     */
    public function actionMyList()
    {
        $mainId = intval($this->mainId);
        $custom = $this->custom;
        if (empty($custom)) {
            util::fail('请先登录');
        }
        util::success([
            'list' => GroupBuyClass::getMyList($mainId, intval($custom->id)),
        ]);
    }

    /**
     * 组装并创建拼团订单（核价以后端活动商品为准）
     *
     * @param object $form
     * @param array $row
     * @param int $groupBuyId
     * @param int $goodsNum
     * @return object
     */
    private function createGroupBuyOrder($form, $row, $groupBuyId, $goodsNum, $currenCustom = [])
    {
        $shop = $this->shop;
        $openShop = ShopClass::getOpenShop($shop);
        if ($openShop == 0) {
            util::fail('已休店');
        }
        $mainId = intval($this->mainId);
        $custom = $this->custom;
        if (empty($custom) && !empty($currenCustom)) {
            $custom = $currenCustom;
        }
        $hd = $this->hd;
        $user = $this->user;
        $saleGoodsId = intval($row['goodsId']);
        $goodsInfo = GoodsClass::getById($saleGoodsId, true);
        if (empty($goodsInfo) || intval($goodsInfo->mainId) !== $mainId) {
            util::fail('没有找到商品');
        }
        $stock = intval($goodsInfo->stock ?? 0);
        if ($stock < $goodsNum) {
            util::fail('库存不足');
        }
        $unitPrice = floatval($row['price'] ?? 0);
        if ($unitPrice <= 0) {
            util::fail('团购价格异常');
        }
        $goodsPrice = bcmul($unitPrice, $goodsNum, 2);
        $sendType = intval($form->sendType ?? dict::getDict('sendType', 'shopGet'));
        $sendCost = 0;
        // 跑腿配送暂不在拼团链路单独报价，统一引导自取或送货上门（运费0，与花店协商）
        if ($sendType == dict::getDict('sendType', 'thirdSend')) {
            util::fail('拼团暂不支持跑腿，请选择自取或送货上门');
        }
        if ($sendType == dict::getDict('sendType', 'carGet')) {
            if (empty($form->receiveUserName)) {
                util::fail('请填写收花人名字');
            }
            if (empty($form->receiveMobile) || !stringUtil::isMobile($form->receiveMobile)) {
                util::fail('请填写正确的收花人手机号');
            }
        }

        $post = [
            'sendType' => $sendType,
            'receiveUserName' => strval($form->receiveUserName ?? ''),
            'receiveMobile' => strval($form->receiveMobile ?? ''),
            'address' => strval($form->address ?? ''),
            'floor' => strval($form->floor ?? ''),
            'city' => strval($form->city ?? ''),
            'long' => strval($form->long ?? ''),
            'lat' => strval($form->lat ?? ''),
            'showAddress' => strval($form->showAddress ?? ''),
            'remark' => strval($form->remark ?? ''),
            'reachDate' => !empty($form->reachDate) ? $form->reachDate : date('Y-m-d'),
            'reachPeriod' => strval($form->reachPeriod ?? ''),
            'sendCost' => $sendCost,
            'sendDistance' => 0,
            'sjId' => intval($this->sjId ?: ($shop->sjId ?? 0)),
            'shopId' => $this->shopId,
            'mainId' => $mainId,
            'userId' => $this->userId,
            'customId' => intval($custom->id),
            'customName' => strval($custom->name ?? ''),
            'customNamePy' => stringUtil::py(strval($custom->name ?? '')),
            'hdId' => intval($hd->id ?? 0),
            'hdName' => strval($hd->name ?? ''),
            'bookName' => strval($user->name ?? ''),
            'bookMobile' => !empty($form->bookMobile) && stringUtil::isMobile($form->bookMobile)
                ? $form->bookMobile
                : strval($user->mobile ?? ''),
            'payWay' => 0,
            'store' => 0,
            'modifyPrice' => stringUtil::calcAdd($sendCost, $goodsPrice),
            'deadline' => time() + 1800,
            'orderSn' => orderSn::getOrderSn(),
            'fromType' => dict::getDict('fromType', 'mall'),
            'cash' => 0,
            'needPrint' => dict::getDict('needPrint', 'need'),
            'groupBuyId' => intval($groupBuyId),
            'product' => [[
                'productId' => $saleGoodsId,
                'unitType' => 0,
                'property' => 0,
                'unitPrice' => $unitPrice,
                'num' => $goodsNum,
            ]],
        ];
        if ($sendType != 1 && empty($post['reachPeriod'])) {
            util::fail('请选择配送时间');
        }
        return OrderService::createHdOrder($post, $custom, 0);
    }
}