<?php

namespace app\admin\controller;

use app\common\controller\Backend;
use think\Session;
use think\Db;
use Exception;
use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Reader\Xlsx;
use PhpOffice\PhpSpreadsheet\Reader\Xls;
use PhpOffice\PhpSpreadsheet\Reader\Csv;
/**
 * 库存管理
 *
 * @icon fa fa-circle-o
 */
class Stock extends Backend
{

    /**
     * Stock模型对象
     * @var \app\admin\model\Stock
     */
    protected $model = null;
    protected $importHeadType = 'name';//以字段名为EXCEL表格首行
    protected $noNeedLogin = ['warning'];
    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\Stock;

    }

    /**
     * 默认生成的控制器所继承的父类中有index/add/edit/del/multi五个基础方法、destroy/restore/recyclebin三个回收站方法
     * 因此在当前控制器中可不用编写增删改查的代码,除非需要自己控制这部分逻辑
     * 需要将application/admin/library/traits/Backend.php中对应的方法复制到当前控制器,然后进行修改
     */
    /**
     * 查看
     *
     * @return string|Json
     * @throws \think\Exception
     * @throws DbException
     */
    public function index()
    {
        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if (false === $this->request->isAjax()) {
            return $this->view->fetch();
        }
        //如果发送的来源是 Selectpage，则转发到 Selectpage
        if ($this->request->request('keyField')) {
            return $this->selectpage();
        }
        [$where, $sort, $order, $offset, $limit] = $this->buildparams();
        $user_info = Session::get('admin');
        $map = [];
        if ($user_info['id'] !== 1){
            $map['company_id'] = $user_info['company_id'];
        }
        $list = $this->model
            ->where($where)
            ->where($map)
            ->order($sort, $order)
            ->paginate($limit);
        //数量低于L库存标识为1
        foreach($list as &$v){
            if($v['l_number']>=$v['number']){
                $v['warning']=1;
            }else{
                $v['warning']=0;
            }
        }
        $res = $list->items();
        //低于L库存的排在顶部
        $pros4 = array_column($list->items(), 'warning');
        $pros5 = array_column($list->items(), 'id');
        array_multisort($pros4,SORT_DESC,$pros5,SORT_DESC,$res);
        $result = ['total' => $list->total(), 'rows' => $res];
        return json($result);

    }
    /**
     * 添加
     *
     * @return string
     * @throws \think\Exception
     */
    public function add()
    {
        if (false === $this->request->isPost()) {
            return $this->view->fetch();
        }
        $params = $this->request->post('row/a');
        if (empty($params)) {
            $this->error(__('Parameter %s can not be empty', ''));
        }
        $params = $this->preExcludeFields($params);
        $user_info = Session::get('admin');
        $params['company_id'] = $user_info['company_id'];
        if ($this->dataLimit && $this->dataLimitFieldAutoFill) {
            $params[$this->dataLimitField] = $this->auth->id;
        }
        $result = false;
        Db::startTrans();
        try {
            //是否采用模型验证
            if ($this->modelValidate) {
                $name = str_replace("\\model\\", "\\validate\\", get_class($this->model));
                $validate = is_bool($this->modelValidate) ? ($this->modelSceneValidate ? $name . '.add' : $name) : $this->modelValidate;
                $this->model->validateFailException()->validate($validate);
            }
            $result = $this->model->allowField(true)->save($params);
            Db::commit();
        } catch (ValidateException|PDOException|Exception $e) {
            Db::rollback();
            $this->error($e->getMessage());
        }
        if ($result === false) {
            $this->error(__('No rows were inserted'));
        }
        $this->success();
    }


    /**
     * 导入
     */
    public function import()
    {
        $file = $this->request->request('file');

        if (!$file) {
            $this->error(__('Parameter %s can not be empty', 'file'));
        }
        $filePath = ROOT_PATH . DS . 'public' . DS . $file;
        if (!is_file($filePath)) {
            $this->error(__('No results were found'));
        }
        //实例化reader
        $ext = pathinfo($filePath, PATHINFO_EXTENSION);
        if (!in_array($ext, ['csv', 'xls', 'xlsx'])) {
            $this->error(__('Unknown data format'));
        }
        if ($ext === 'csv') {
            $file = fopen($filePath, 'r');
            $filePath = tempnam(sys_get_temp_dir(), 'import_csv');
            $fp = fopen($filePath, 'w');
            $n = 0;
            while ($line = fgets($file)) {
                $line = rtrim($line, "\n\r\0");
                $encoding = mb_detect_encoding($line, ['utf-8', 'gbk', 'latin1', 'big5']);
                if ($encoding !== 'utf-8') {
                    $line = mb_convert_encoding($line, 'utf-8', $encoding);
                }
                if ($n == 0 || preg_match('/^".*"$/', $line)) {
                    fwrite($fp, $line . "\n");
                } else {
                    fwrite($fp, '"' . str_replace(['"', ','], ['""', '","'], $line) . "\"\n");
                }
                $n++;
            }
            fclose($file) || fclose($fp);

            $reader = new Csv();
        } elseif ($ext === 'xls') {
            $reader = new Xls();
        } else {
            $reader = new Xlsx();
        }
        //加载文件
        $insert = [];
        try {
            if (!$PHPExcel = $reader->load($filePath)) {
                $this->error(__('Unknown data format'));
            }
            $currentSheet = $PHPExcel->getSheet(0);  //读取文件中的第一个工作表
            $allColumn = $currentSheet->getHighestDataColumn(); //取得最大的列号
            $allRow = $currentSheet->getHighestRow(); //取得一共有多少行
            $maxColumnNumber = Coordinate::columnIndexFromString($allColumn);
            $fields = [];
            for ($currentRow = 1; $currentRow <= 1; $currentRow++) {
                for ($currentColumn = 1; $currentColumn <= $maxColumnNumber; $currentColumn++) {
                    $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getValue();
                    $fields[] = $val;
                }
            }
            $i = 0;
            $row = [];
            for ($currentRow = 2; $currentRow <= $allRow; $currentRow++) {
                $values = [];
                for ($currentColumn = 1; $currentColumn <= $maxColumnNumber; $currentColumn++) {
                    $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getValue();
                    $values[] = is_null($val) ? '' : $val;
                }

                $row[$i]['name'] = $values[0];
                $row[$i]['unit'] = $values[1];
                $row[$i]['l_number'] = $values[2];
                $row[$i]['number'] = $values[3];
                $user_info = Session::get('admin');
                $row[$i]['company_id'] = $user_info['company_id'];
                $row[$i]['create'] = date('Y-m-d H:i:s');
                $row[$i]['update'] = date('Y-m-d H:i:s');
                $i++;
            }
        } catch (Exception $exception) {
            $this->error($exception->getMessage());
        }
        if (!$row) {
            $this->error(__('No rows were updated'));
        }
        try {
            $insert = [];
            foreach ($row as $key => $vol){
                $where = [];
                $where['name'] = $vol['name'];
                $where['company_id'] = $vol['company_id'];
                $is_exit = Db::name('stock')->where($where)->find();
                if ($is_exit){
                    Db::name('stock')->where($where)->setField('l_number',$vol['l_number']);
                    Db::name('stock')->where($where)->setField('number',$vol['number']);
                }else{
                    $insert[] = $vol;
                }
            }
            $this->model->saveAll($insert);
        } catch (PDOException $exception) {
            $msg = $exception->getMessage();
            if (preg_match("/.+Integrity constraint violation: 1062 Duplicate entry '(.+)' for key '(.+)'/is", $msg, $matches)) {
                $msg = "导入失败，包含【{$matches[1]}】的记录已存在";
            };
            $this->error($msg);
        } catch (Exception $e) {
            $this->error($e->getMessage());
        }

        $this->success();
    }

    /**
     * 库存管理提示来新订单 进行处理修改状态
     * @return string
     * @throws \think\Exception
     * @throws \think\exception\PDOException
     */
    public function orderstu(){
        $company_id = $_SESSION['think']['admin']['company_id'];//查询对应的公司id
        $orderstu = $this->request->request('orderstu');//处理后状态为2
        $arr = ['orderstu' =>$orderstu,'update'=>date("Y-m-d H:i:s")];
        if(Db::name('order')->where('company_id',$company_id)->where('orderstu','=',1)->update($arr)){
            return '处理成功';
        }else{
            return '处理异常';
        }
    }
}