<?php


namespace app\api\controller;

use app\common\controller\Api;
use app\api\logic\TeacLogin;
use app\common\model\LedgerTeacChangeModel;
use app\common\model\LedgerTokenChangeModel;
use app\common\model\UserTeac;
use app\common\model\LedgerWalletModel;
use fast\Action;
use fast\Asset;
use Exception;
use fast\RechargeStatus;
use think\Db;
use app\common\model\ProductTeac;

//Teac交易
class Teac extends Api
{
    
    /*
     * 交易列表
     */
    public function getTeacList(ProductTeac $productTeac)
    {
        $type_id = $this->request->post('type_id/d', 0);
        if(!in_array($type_id, [ProductTeac::Buying, ProductTeac::Sell])) $this->error('类型错误');
        $list = $productTeac->with('users')
             ->where('product_teac.status', ProductTeac::Normal)->where('type_id', $type_id)
             ->order('create_time desc')
             ->paginate($this->pageSize);
        $this->success('ok', $list);
    }


    /*
     * 发布求购
     */
    public function setBuying(LedgerWalletModel $ledgerWalletModel, TeacLogin $teacLogin)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Teac');
        if(!$validate->scene('buying')->check($params)) $this->error($validate->getError());
        if(config('teac_trade.buy_min_num') > $params['stock']) $this->error('数量不能低于'.config('teac_trade.buy_min_num'));
        // 最小最大价格
        if(config('teac_trade.buy_min_price') > $params['price'] || config('teac_trade.buy_max_price') < $params['price']) $this->error('价格不在'.config('teac_trade.buy_min_price').'~'.config('teac_trade.buy_max_price').'之间');

        $chabao = bcmul($params['price'], $params['stock'], 4) ;
        if($ledgerWalletModel->getWalletChaBao($this->auth->id) < $chabao) $this->error('您的钱包茶宝余额不足');
      
        Db::startTrans();
        try{
            
            //新增求购信息
            $teacLogin::setCreateTrade($this->auth->id, $params['price'], $params['stock'], ProductTeac::Buying, $chabao);

            //冻结茶宝
            $ledgerWalletModel->changeWalletAccount($this->auth->id,  Asset::TOKEN, -$chabao, LedgerTokenChangeModel::Buying, $this->auth->id);
            Db::commit();
           
        }catch(Exception $e){
            Db::rollback();
            $this->error($e->getMessage());
        }
        $this->success('ok');
    }


    //发布出售
    public function setSell(LedgerWalletModel $ledgerWalletModel, TeacLogin $teacLogin)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Teac');
        if(!$validate->scene('sell')->check($params)) $this->error($validate->getError());
        
        if(config('teac_trade.sell_min_num') > $params['stock']) $this->error('数量不能低于'.config('teac_trade.sell_min_num'));
        if(config('teac_trade.sell_min_price') > $params['price'] || config('teac_trade.sell_max_price') < $params['price']) $this->error('价格不在'.config('teac_trade.sell_min_price').'~'.config('teac_trade.sell_max_price').'之间');

        if($ledgerWalletModel->getWalletTeac($this->auth->id) < $params['stock']) $this->error('您的钱包Teac余额不足');

        Db::startTrans();
        try{
            
            //新增求购信息
            $teacLogin::setCreateTrade($this->auth->id, $params['price'],  $params['stock'], ProductTeac::Sell, $params['stock']);

            //冻结Teac
            $ledgerWalletModel->changeWalletAccount($this->auth->id,  Asset::TEAC, -$params['stock'], LedgerTeacChangeModel::Sell, $this->auth->id);
            Db::commit();
         
        }catch(Exception $e){
            Db::rollback();
            $this->error($e->getMessage());
        }
        $this->success('ok');
    }


    /**
     * 出售购买
     */
    public function setSellOrder(ProductTeac $productTeac, LedgerWalletModel $ledgerWalletModel, TeacLogin $teacLogin, UserTeac $userTeac)
    {
        $params = $this->request->post();
        $validate = \think\Loader::validate('Teac');
        if(!$validate->scene('sell_order')->check($params)) $this->error($validate->getError());
        $row = $productTeac::where(['type_id'=> ProductTeac::Sell, 'id' => $params['teac_id']])->find();
        if(empty($row) || $row['status'] != ProductTeac::Normal) $this->error('订单不存在');
        if($this->auth->id == $row['user_id']) $this->error('不能购买自己的订单');
        if($params['num'] > $row['stock'] - $row['num']) $this->error('库存不足');
        $chabao = $ledgerWalletModel->getWalletChaBao($this->auth->id);
        $tatal = bcmul($row['price'], $params['num'], 4);
        if($chabao < $tatal) $this->error('您的钱包茶宝余额不足');

        // 启动事务
        Db::startTrans();
        try {

            $fee = config('teac_trade.sell_serve_fee');
            
            // 出售购买
            $userTeac::setUserCreateOrder($this->auth->id, $row['id'], ProductTeac::Sell, $params['num'], $row['price'],  $fee);

            //添加扣除相应茶宝Teac
            $teacLogin::setCreateSellOrder($this->auth->id, $row['user_id'], $row['price'], $params['num'], $fee);

            //修改状态
            if($row->stock - $row->num == $params['num']) $row->status = ProductTeac::Complete;
            $row->frozen -= $params['num'];
            $row->num += $params['num'];
            $row->save();
            // 提交事务
            Db::commit();
        } catch (Exception $e) {
            // 回滚事务
           Db::rollback();
            return $e->getMessage();
        }
        $this->success('ok');
    }


    // 求购出售
    public function setBuyOrder(ProductTeac $productTeac, TeacLogin $teacLogin, UserTeac $userTeac)
    {   
        $params = $this->request->post();
        $validate = \think\Loader::validate('Teac');
        if(!$validate->scene('sell_order')->check($params)) $this->error($validate->getError());
        $row = $productTeac::where(['type_id'=> ProductTeac::Buying, 'id' => $params['teac_id']])->find();
        if(empty($row) || $row['status'] != ProductTeac::Normal) $this->error('订单不存在');
        if($this->auth->id == $row['user_id']) $this->error('不能购买自己的订单');
        if($params['num'] > $row['stock'] - $row['num']) $this->error('库存不足');
        
        // 启动事务
        Db::startTrans();
        try {

            $fee = config('teac_trade.buy_serve_fee');
            $chabao = bcmul($row['price'], $params['num'], 4);
            // 出售购买
            $userTeac::setUserCreateOrder($this->auth->id, $row['id'], ProductTeac::Buying, $params['num'], $row['price'],  $fee);

            //添加扣除相应茶宝Teac
            $teacLogin::setCreateBuyingOrder($this->auth->id, $row['user_id'], $row['price'], $params['num'], $fee);
          
            //修改状态
            if($row->stock - $row->num == $params['num']) $row->status = ProductTeac::Complete;
            $row->frozen -= $chabao;
            $row->num += $params['num'];
            $row->save();
            // 提交事务
            Db::commit();
        } catch (Exception $e) {
            // 回滚事务
           Db::rollback();
            return $e->getMessage();
        }
        $this->success('ok');
    }


    // 我的交易列表
    public function getUserTeacList(ProductTeac $productTeac)
    {
        $list = $productTeac::where('user_id', $this->auth->id)
             ->order('create_time desc')
             ->paginate($this->pageSize);
        $this->success('ok', $list);
    }

    //取消交易
    public function cancelTrade(ProductTeac $productTeac, TeacLogin $teacLogin)
    {
        $id = $this->request->post('teac_id/d', 0);
        $row = $productTeac::where(['id' => $id, 'user_id' => $this->auth->id])->find();
        if(empty($row)) $this->error('订单不存在');
        if($row['status'] != ProductTeac::Normal) $this->error('订单已完成');
        Db::startTrans();
        try {

            //返回相应茶宝Teac
            $teacLogin::setUserReturnOrder($this->auth->id, $row['type_id'], $row['frozen']);
            //$row->frozen = 0;
            $row->status = ProductTeac::Closure;
            $row->save();
            // 提交事务
            Db::commit();
        } catch (Exception $e) {
            // 回滚事务
           Db::rollback();
            return $e->getMessage();
        }
        $this->success('ok');
    }

    /**
    * 获取配置
    */
    public function getConfig()
    {
        $this->success('ok', config('teac_trade'));
    }
   
}