<?php

namespace app\api\controller;

use app\common\model\LedgerTokenChangeModel;
use app\common\controller\Api;
use app\common\model\AnnouncementModel;
use app\common\model\UserCollect;
use app\common\model\ProductBuying;
use app\common\model\UserModel;
use app\common\model\LedgerWalletModel;
use app\common\model\ProductTransfer;
use app\api\logic\MarketLogic;
use app\common\logic\BscApi;
use app\common\model\ProductOrder;
use app\common\model\UserBuying;
use fast\Action;
use fast\Asset;
use think\Db;
use Exception;

class Market extends Api
{

   
    //用户收藏
    public function collect(UserCollect $userCollect)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Market');
        if(!$validate->scene('collect')->check($params)) $this->error($validate->getError());
        $userCollect::setUserCollect($this->auth->id, $params['market_id']);
        $this->success("ok");
    }


    /*
     * 相关公告 
     */
    public function announcement(AnnouncementModel $announcementModel)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Market');
        if(!$validate->scene('announcement')->check($params)) $this->error($validate->getError());
        $announcement = $announcementModel
            ->where('find_in_set(:id,product_id)',['id'=>$params['product_id']])
            ->where('status', $announcementModel::Normal)
            ->where('to_lang', $this->request->getLan())
            ->order('id desc')
            ->paginate($this->pageSize);
        $this->success('ok', $announcement);
    }


    //获取产品最大求购价格
    public function getBuyingMaxPrice(ProductBuying $productBuying)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Market');
        if(!$validate->scene('announcement')->check($params)) $this->error($validate->getError());
        $this->success('ok', $productBuying::getProductBuyingMaxPrice($params['product_id']));
    }

    
    //锁定寄售
    public function setTransferLock(ProductTransfer $productTransfer, MarketLogic $marketLogic)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Market');
        if(!$validate->scene('transferlock')->check($params)) $this->error($validate->getError());
        Db::startTrans();
        try {

            $marketLogic::setTransferLock($productTransfer, config('market_transfer.lock_time'), $this->auth->id, $params['transfer_id']);
            Db::commit();
        } catch (Exception $e) {
            // 回滚事务
            Db::rollback();
            $this->error($e->getMessage());
        }
        $this->success('ok');
    }


    //求购列表
    public function buyingList(ProductBuying $productBuying)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Market');
        if(!$validate->scene('announcement')->check($params)) $this->error($validate->getError());
        $this->success('ok', $productBuying::getBuyingList($params['product_id']));
    }

    /**
     * 发起求购
     * @return void
     */
    public function setBuying(LedgerWalletModel $ledgerWalletModel, ProductBuying $productBuying)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Market');
        if(!$validate->scene('buying')->check($params)) $this->error($validate->getError());
        if($productBuying::getProductBuyingCount($this->auth->id, $params['product_id']) > config('market_transfer.max_buying_count')) $this->error('您的求购次数已达上限');
        $chabao     =  $ledgerWalletModel::getWalletChaBao($this->auth->id);
        $total      = bcmul($params['min_price'], $params['stock'], 6); // 所需茶宝
        if($chabao < $total) $this->error('您的茶币不足');
        // 启动事务
        Db::startTrans();
        try {
            // 记录订单 
            $productBuying::setCreateBuying($this->auth->id, $params['product_id'], $params['stock'], $params['min_price'], $total);

            // 扣除茶币
            $ledgerWalletModel->changeWalletAccount($this->auth->id,  Asset::TOKEN, -$total, LedgerTokenChangeModel::Buying, $this->auth->id);

            $ledgerWalletModel->changeWalletOnly($this->auth->id, Asset::BUYING, $total); //冻结金额
            // 提交事务
            Db::commit();
        } catch (Exception $e) {
            // 回滚事务
            Db::rollback();
            return $this->error($e->getMessage());
        }
        $this->success('ok');
    }

    /**
     * 求购详情
     * @return void
     */
    public function getBuyingDetail( ProductBuying $productBuying)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Market');
        if(!$validate->scene('buying_info')->check($params)) $this->error($validate->getError());
        $resq = $productBuying::getProductBuyingDetail($params['buying_id'], $this->request->getLan());
        $this->success('ok', $resq);
    }


    //出售求购
    public function sellBuying(LedgerWalletModel $ledgerWalletModel, ProductBuying $productBuying, UserBuying $userBuying, ProductOrder $productOrder)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Market');
        if(!$validate->scene('sellbuying')->check($params)) $this->error($validate->getError());
        $buying = $productBuying::get($params['buying_id']);
        if(empty($buying)) $this->error('订单不存在');
        if($buying->user_id == $this->auth->id) $this->error('无权操作');
        if($buying->status != ProductBuying::Normal) $this->error('订单已完成');
      
        // 启动事务
        Db::startTrans();
        try {

            // 记录出售订单
            $chabao =$userBuying::getCreateUserBuying($this->auth->id, $params['buying_id'], $params['order_id'], $buying->user_id, $buying->min_price);

            // 添加扣除茶币
            $ledgerWalletModel->changeWalletAccount($this->auth->id,  Asset::TOKEN, $chabao, LedgerTokenChangeModel::BuySellg, $buying->user_id);

            // 扣除冻结金额
            $ledgerWalletModel->changeWalletOnly($buying->user_id, Asset::BUYING, -$buying->min_price); //解冻金额

            //添加订单
            $productOrder::setCreateOrder($params['order_id'], ['product_id' => $buying->product_id, 'area_id' => 0,'price' => $buying->min_price], ProductOrder::Buying, $this->auth->id, $buying->user_id, getOrderSN('R'), 0, $buying->min_price);

            //关闭订单
            $productOrder::where('id', $params['order_id'])->where('user_id', $this->auth->id)->setField(['status' => ProductOrder::Closure]);

            if(($buying->stock - $buying->num) == 1) $buying->status = ProductBuying::SaleOut;
            $buying->num += 1;
            $buying->save();
            // 提交事务
            Db::commit();
        } catch (Exception $e) {
            // 回滚事务
            Db::rollback();
            return $this->error($e->getMessage());
        }
        $this->success('ok');
    }

    //取消求购
    public function cancelBuying(LedgerWalletModel $ledgerWalletModel, ProductBuying $productBuying)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Market');
        if(!$validate->scene('cancelbuying')->check($params)) $this->error($validate->getError());
        $buying = $productBuying::get($params['buying_id']);
        if(empty($buying)) $this->error('订单不存在');
        if($buying->user_id!= $this->auth->id) $this->error('无权操作');
        if($buying->status != ProductBuying::Normal) $this->error('订单已完成');
        Db::startTrans();
        try {

            //退回金额
            $amount = bcmul($buying->min_price, ($buying->stock - $buying->num), 6);

            // 添加扣除茶币
            $ledgerWalletModel->changeWalletAccount($this->auth->id,  Asset::TOKEN, $amount, LedgerTokenChangeModel::BuyCancel, $buying->user_id);

            // 扣除冻结金额
            $ledgerWalletModel->changeWalletOnly($buying->user_id, Asset::BUYING, -$amount); //解冻金额

            $buying->status = ProductBuying::Close;
            $buying->save();
            // 提交事务
            Db::commit();
        } catch (Exception $e) {
            // 回滚事务
            Db::rollback();
            return $this->error($e->getMessage());
        }
        $this->success('ok');
    }


    //获取配置信息
    public function getMarketConfig()
    {
        $this->success('ok', config('market_transfer'));
    }
 

}