<?php

namespace mall\controllers;

use bizHd\goods\classes\GoodsClass;
use bizHd\groupBuy\classes\GroupBuyActivityClass;
use bizHd\groupBuy\classes\GroupBuyClass;
use bizHd\groupBuy\classes\GroupBuyMemberClass;
use bizHd\order\classes\PsMethodClass;
use bizHd\order\services\OrderService;
use bizHd\shop\classes\ShopClass;
use bizMall\pictext\classes\PicTextGoodsClass;
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
 * 分享直达或换店后仍带旧 hdId 时，按 account 恢复门店并建客，与 get-home 进店闭环一致
 * 开团/参团订单按团购价结算，不叠加会员折扣、门店满减、红包
 * 配送附加费与跑腿距离运费与混合结算同源（PsMethodClass::calcFeeForMallContext / calcMixRunnerFreight）
 */
class GroupBuyController extends BaseController
{
    public $guestAccess = [
        'goods-landing',
        'detail',
    ];

    /**
     * 团购商品落地页：活动商品信息 + 商品详情图文 + 当前最快成团开放团
     * GET goodsId
     * 返回字段与商品详情页对齐：picTextGoods（标题/content JSON）供前端 rich-media-viewer 渲染
     * 登录态按 account 恢复门店并建客，回传 hdId / inviteBound，与 get-home 进店闭环一致
     */
    public function actionGoodsLanding()
    {
        $ctx = $this->recoverShopAndResolveHd();
        $mainId = $ctx['mainId'];

        $goodsId = intval(Yii::$app->request->get('goodsId', 0));
        if ($goodsId <= 0) {
            util::fail('请选择商品');
        }
        $row = GroupBuyActivityClass::requireActiveGoodsRowByGoodsId($mainId, intval($this->shopId), $goodsId);
        $goods = GoodsClass::getById($goodsId, true);
        $cover = strval($row['cover'] ?? '');
        $coverUrl = $cover;
        if ($cover !== '' && strpos($cover, 'http') !== 0) {
            $formatted = business::formatUploadImg($cover);
            $coverUrl = $formatted['url'] ?? $cover;
        }
        // 轮播图兜底：保留商品图集；详情正文以 picTextGoods 为准（与 GoodsController::actionDetail 一致）
        $detailImages = [];
        $picTextGoods = [];
        if (!empty($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;
                            }
                        }
                    }
                }
            }
            // 规格商品详情图文挂在主商品上，与商品详情接口取值规则一致
            $picTextGoodsId = empty($goods->masterId) ? $goodsId : intval($goods->masterId);
            $picTextRow = PicTextGoodsClass::getByCondition([
                'mainId' => $mainId,
                'goodsId' => $picTextGoodsId,
            ], true);
            if (!empty($picTextRow)) {
                $picTextGoods = $picTextRow;
            }
        }
        $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,
            'picTextGoods' => $picTextGoods,
            // 花束是否包运费：结算页跑腿模式（bouquetIncluded）与混合单同源判断
            'freightType' => !empty($goods) ? intval($goods->freightType ?? 0) : 0,
            'openGroup' => $openGroup,
            // 供 mallApp 写入本地 hdId，避免后续开团/参团仍带旧店 hdId
            'hdId' => $ctx['hdId'],
            'inviteBound' => $ctx['inviteBound'],
        ]);
    }

    /**
     * 拼团详情
     * GET id
     * 游客可浏览；已登录则按 account 恢复门店并建客，回传 hdId 供前端缓存
     */
    public function actionDetail()
    {
        $ctx = $this->recoverShopAndResolveHd();
        $mainId = $ctx['mainId'];
        $id = intval(Yii::$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($this->shopId), intval($detail['activityGoodsId']));
        if (empty($landing)) {
            $landing = GroupBuyActivityClass::getActiveGoodsRowByGoodsId($mainId, intval($this->shopId), intval($detail['goodsId']));
        }
        if (!empty($landing) && !isset($landing['freightType'])) {
            $landingGoodsId = intval($landing['goodsId'] ?? ($detail['goodsId'] ?? 0));
            $landingGoods = $landingGoodsId > 0 ? GoodsClass::getById($landingGoodsId, true) : null;
            // 分享进详情也要带包运费标记，否则结算页跑腿会误走平台报价
            $landing['freightType'] = !empty($landingGoods) ? intval($landingGoods->freightType ?? 0) : 0;
        }
        $detail['activityGoods'] = $landing;
        $detail['hdId'] = $ctx['hdId'];
        $detail['inviteBound'] = $ctx['inviteBound'];

        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();
        $ctx = $this->ensureCustomerContext();
        $mainId = $ctx['mainId'];
        $custom = $this->custom;
        $customId = intval($custom->id);
        $activityGoodsId = intval($form->activityGoodsId);
        $goodsNum = max(1, intval($form->goodsNum));

        $row = GroupBuyActivityClass::requireActiveGoodsRowById($mainId, intval($this->shopId), $activityGoodsId);
        GroupBuyClass::assertPurchaseLimit($mainId, $customId, $row, $goodsNum);

        $connection = Yii::$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,
                $mainId,
                intval($this->shopId),
                $customId,
                intval($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();
        $ctx = $this->ensureCustomerContext();
        $mainId = $ctx['mainId'];
        $custom = $this->custom;
        $customId = intval($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($this->shopId), intval($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,
                ];
            }
            GroupBuyClass::assertPurchaseLimit($mainId, $customId, $row, $goodsNum);
            $order = $this->createGroupBuyOrder($form, $row, $groupBuyId, $goodsNum, $custom);
            GroupBuyMemberClass::bindOrderMember(
                $groupBuyId,
                $mainId,
                intval($this->shopId),
                $customId,
                intval($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
     * 换店后可能仍带旧 hdId，先恢复门店并绑定当前店顾客再查列表
     */
    public function actionMyList()
    {
        $ctx = $this->ensureCustomerContext();
        util::success([
            'list' => GroupBuyClass::getMyList($ctx['mainId'], intval($this->custom->id)),
        ]);
    }

    /**
     * 组装并创建拼团订单（核价以后端活动商品为准）
     * 团购价已是活动优惠价：跳过会员折、门店满减、红包；运费/包装费与混合结算同源计算
     * 跑腿（sendType=2）走与混合单相同的 calcMixRunnerFreight，不信任前端报价
     *
     * @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 = $currenCustom;
        }
        if (empty($custom)) {
            util::fail('请先登录');
        }
        $hd = $this->hd;
        $hdId = !empty($hd) ? intval($hd->id ?? 0) : 0;
        $hdName = !empty($hd) ? strval($hd->name ?? '') : '';
        $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'));
        // 商家配送(0)/跑腿(2)必须有收花人与坐标，与混合结算一致
        if (in_array($sendType, [dict::getDict('sendType', 'carGet'), dict::getDict('sendType', 'thirdSend')], true)) {
            if (empty($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');
            }
            if (empty($form->long) || empty($form->lat)) {
                util::fail('请先完善地址');
            }
        }
        // 商家配送(0)/跑腿(2)必填配送时间；自取与物流/快递不强制（与混合结算一致）
        if (in_array($sendType, [0, 2], true) && empty($form->reachPeriod)) {
            util::fail('请选择配送时间');
        }

        $customInfo = PsMethodClass::buildCustomInfo($hd, $custom);
        $additionalCosts = PsMethodClass::calcFeeForMallContext(
            $this->shopId,
            $mainId,
            $sendType,
            $goodsPrice,
            $goodsNum,
            intval($custom->id),
            $customInfo
        );
        $unMeetSendCost = $additionalCosts['sendCost'] ?? 0;
        $packingFee = $additionalCosts['packCost'] ?? 0;
        $psMethodError = PsMethodClass::checkLimit(
            $this->shopId,
            $mainId,
            $sendType,
            $goodsPrice,
            $goodsNum,
            $packingFee,
            $unMeetSendCost,
            intval($custom->id),
            $customInfo
        );
        if ($psMethodError !== '') {
            util::fail($psMethodError);
        }

        $freightType = intval($goodsInfo->freightType ?? 0);
        $resolvedProduct = [[
            'productId' => $saleGoodsId,
            'unitType' => 0,
            'property' => 0,
            'freightType' => $freightType,
            'unitPrice' => $unitPrice,
            'num' => $goodsNum,
        ]];
        $runnerSendCost = 0;
        $sendDistance = 0;
        $freightSource = '';
        // 跑腿距离运费与混合单同源；未达门槛附加运费仍由 calcFee 单独给出
        if ($sendType == dict::getDict('sendType', 'thirdSend')) {
            $mapSet = \biz\shop\classes\ShopClass::hasIntraCity($shop);
            $openIntraCity = $mapSet['openIntraCity'] ?? 0;
            $runnerPost = [
                'receiveUserName' => strval($form->receiveUserName ?? ''),
                'receiveMobile' => strval($form->receiveMobile ?? ''),
                'address' => strval($form->address ?? ''),
                'floor' => strval($form->floor ?? ''),
                'city' => strval($form->city ?? ''),
                'dist' => strval($form->dist ?? ''),
                'long' => $form->long ?? '',
                'lat' => $form->lat ?? '',
                'deliveryPlatform' => strval($form->deliveryPlatform ?? ''),
                'deliveryBracketContent' => strval($form->deliveryBracketContent ?? ''),
                'remark' => strval($form->remark ?? ''),
            ];
            $runnerResult = PsMethodClass::calcMixRunnerFreight(
                $shop,
                $this->shopId,
                $mainId,
                $runnerPost,
                $resolvedProduct,
                0,
                $goodsPrice,
                $openIntraCity,
                0,
                $goodsNum,
                'PT-GB-',
                '团购单'
            );
            $runnerSendCost = $runnerResult['sendCost'];
            $sendDistance = $runnerResult['sendDistance'];
            $freightSource = $runnerResult['freightSource'];
        }
        $sendCost = bcadd($unMeetSendCost, $runnerSendCost, 2);
        $modifyPrice = bcadd($goodsPrice, $sendCost, 2);
        $modifyPrice = bcadd($modifyPrice, $packingFee, 2);

        $post = [
            'sendType' => $sendType,
            'receiveUserName' => strval($form->receiveUserName ?? ''),
            'receiveMobile' => strval($form->receiveMobile ?? ''),
            'address' => strval($form->address ?? ''),
            'floor' => strval($form->floor ?? ''),
            'city' => strval($form->city ?? ''),
            'dist' => strval($form->dist ?? ''),
            'province' => strval($form->province ?? ''),
            '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,
            'packingFee' => $packingFee,
            'sendDistance' => $sendDistance,
            'freightSource' => $freightSource,
            'runnerSendCost' => $runnerSendCost,
            'needCard' => intval($form->needCard ?? 0),
            'cardInfo' => intval($form->needCard ?? 0) === 1 ? strval($form->cardInfo ?? '') : '',
            'anonymity' => intval($form->anonymity ?? 0),
            'sjId' => intval($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' => $hdId,
            'hdName' => $hdName,
            'bookName' => strval($user->name ?? ''),
            'bookMobile' => !empty($form->bookMobile) && stringUtil::isMobile($form->bookMobile)
                ? $form->bookMobile
                : strval($user->mobile ?? ''),
            'payWay' => 0,
            'store' => 0,
            'modifyPrice' => $modifyPrice,
            'deadline' => time() + 1800,
            'orderSn' => orderSn::getOrderSn(),
            'fromType' => dict::getDict('fromType', 'mall'),
            'cash' => 0,
            'needPrint' => dict::getDict('needPrint', 'need'),
            'groupBuyId' => intval($groupBuyId),
            // 拼团价已是活动价：跳过会员折、门店满减、红包，避免再叠优惠
            'skipMemberDiscount' => 1,
            'skipShopMeetCut' => 1,
            'hbId' => 0,
            'hbAmount' => 0,
            'product' => $resolvedProduct,
        ];
        return OrderService::createHdOrder($post, $custom, 0);
    }
}