<?php

namespace app\admin\controller\home;

use app\admin\library\Auth;
use app\common\controller\Backend;
use PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use PhpOffice\PhpSpreadsheet\Reader\Csv;
use PhpOffice\PhpSpreadsheet\Reader\Xls;
use PhpOffice\PhpSpreadsheet\Reader\Xlsx;
use think\db\exception\BindParamException;
use think\Exception;
use think\exception\PDOException;

/**
 * 新闻
 *
 * @icon fa fa-circle-o
 */
class News extends Backend
{

    /**
     * News模型对象
     * @var \app\admin\model\home\News
     */
    protected $model = null;

    public function _initialize()
    {
        parent::_initialize();
        $this->model = new \app\admin\model\home\News;
        $this->view->assign("typeList", $this->model->getTypeList());
        $this->view->assign("recommendList", $this->model->getRecommendList());
        $this->view->assign("hotList", $this->model->getHotList());
        $this->view->assign("fineList", $this->model->getFineList());
    }


    /**
     * 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
     */
    public function index()
    {
        //当前是否为关联查询
        $this->relationSearch = true;

        $this->searchFields = ["id","title","subtitle","source","cate.name","cate.flag"];

        //设置过滤方法
        $this->request->filter(['strip_tags', 'trim']);
        if ($this->request->isAjax()) {
            //如果发送的来源是Selectpage，则转发到Selectpage
            if ($this->request->request('keyField')) {
                return $this->selectpage();
            }
            list($where, $sort, $order, $offset, $limit) = $this->buildparams();

            $list = $this->model
                    ->with(['cate'])
                    ->where($where)
                    ->order($sort, $order)
                    ->paginate($limit);

            foreach ($list as $row) {
                
                $row->getRelation('cate')->visible(['name']);
            }

            $result = array("total" => $list->total(), "rows" => $list->items());

            return json($result);
        }
        return $this->view->fetch();
    }


    /**
     * 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();
        }

        //导入文件首行类型,默认是注释,如果需要使用字段名称请使用name
        $importHeadType = isset($this->importHeadType) ? $this->importHeadType : 'comment';

        $table = $this->model->getQuery()->getTable();
        $database = \think\Config::get('database.database');
//        $fieldArr = [];
//        $list = db()->query("SELECT COLUMN_NAME,COLUMN_COMMENT FROM INFORMATION_SCHEMA.COLUMNS WHERE TABLE_NAME = ? AND TABLE_SCHEMA = ?", [$table, $database]);
//        foreach ($list as $k => $v) {
//            if ($importHeadType == 'comment') {
//                $fieldArr[$v['COLUMN_COMMENT']] = $v['COLUMN_NAME'];
//            } else {
//                $fieldArr[$v['COLUMN_NAME']] = $v['COLUMN_NAME'];
//            }
//        }

        //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);
            $fields = []; //遍历得到第一行的字段内容
            for ($currentRow = 1; $currentRow <= 1; $currentRow++) {
                for ($currentColumn = 1; $currentColumn <= $maxColumnNumber; $currentColumn++) {
                    $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getValue();
                    $fields[] = $val;
                }
            }
            //遍历余下所有行（具体数据）
            for ($currentRow = 2; $currentRow <= $allRow; $currentRow++) {
                $values = []; //得到当前行数据
                for ($currentColumn = 1; $currentColumn <= $maxColumnNumber; $currentColumn++) {
                    $val = $currentSheet->getCellByColumnAndRow($currentColumn, $currentRow)->getValue();
                    $values[] = is_null($val) ? '' : $val;
                }
                if(!$values[0] && !$values[0])continue;

                $row = [];
                $temp = array_combine($fields, $values);

                //拼接提交参数
                foreach ($temp as $k => $v) {
                    if(!$k)throw new Exception("异常的格式或存在空列，请检查！");
                    //保留原始数据
                    $raw_v  = $v;
                    $v = str_replace('"','',trim(strip_tags(htmlspecialchars_decode($v))));
                    switch ($k)
                    {
                        case "新闻标题":
                        case "文章标题":
                        case "标题":
                        if (!$v)throw new Exception("{$k}项有的行并未填写内容请检查！");

                            $row['title'] = $v;
                            break;
                        case "新闻副标题":
                        case "文章副标题":
                        case "副标题":
                            $row['subtitle'] = $v;
                            break;
                        case "发布时间":
                        case "时间":
                            $row['release_time'] = $v;
                            //转换时间2025/5/20 成时间戳
                            $row['release_time'] = strtotime($row['release_time']);

                            break;
                        case "内容" :
                        case "文章内容" :

//                            var_dump($v);die;

                            $row['content'] = $raw_v;
                            break;
                        case "新闻类目" :
                        case "类目" :
                        case "分类" :
                        case "分类ID" :
                        case "分类id" :

                            //根据name查询分类表id
                            if($v){
                                $cate = \app\admin\model\home\NewsCate::where('name',$v)->find();
                                if ($cate) {
                                    $row['cate_id'] = $cate['id'];
                                }else{
                                    //创建分类
                                    $cate = \app\admin\model\home\NewsCate::create([
                                        'name' => $v,
                                        'status' => 1,
                                        'weigh' => 0,
                                    ]);
                                    $row['cate_id'] = $cate['id'];
                                }
                            }else{
                                //无分类默认第一个
                                $row['cate_id'] = \app\admin\model\home\NewsCate::where('status',1)->order('weigh desc')->value('id');

                            }

                            break;
                        case "来源" :
                            $row['source']  = $v;  // 来源
                            break;
                        case "浏览量" :
                        case "点击数" :
                            $row['views']  = $v;  // 来源
                            break;
                        case "来源复合数据" :
                             //$v = "来源：新华社　发布日期：2025-05-20　点击数：15";
                            if (!$v)throw new Exception("{$k}项有的行并未填写内容请检查！");

                            // 转换编码为 UTF-8
                            $v = mb_convert_encoding($v, 'UTF-8', 'UTF-8,GBK,GB2312,ASCII');

                            if (preg_match('/来源：(.+?)[\\s　]+发布日期：(\d{4}-\d{2}-\d{2})[\\s　]+点击数：(\d+)/is', $v, $matches)) {
                                $source      = isset($matches[1]) ? trim(mb_convert_encoding($matches[1], 'UTF-8', 'auto')) : '';
                                $releaseDate = isset($matches[2]) ? strtotime(trim($matches[2])) : null;
                                $clicks      = isset($matches[3]) ? intval(trim($matches[3])) : 0;

                                $row['source']       = $source;  // 来源
                                $row['release_time'] = $releaseDate ?: time(); // 默认当前时间
                                $row['views']        = $clicks;   // 点击数
//                                var_dump($row);die;
                            } else {
                                $this->error("来源复合数据格式异常，请检查字段内容: {$v}");
                            }


                            break;
                    }
                }
                if ($row) {
                    //查询是否存在一样的，如果存在，忽略
                    $where = [
                        'title' => $row['title'],
                    ];
//                    unset($where['title']);
                    if(! \app\admin\model\home\News::where($where)->find()){
                        $row["weigh"] = 0;
                        $insert[] = $row;
                    }
                }
            }
//            var_dump($values);die;
        } catch (Exception $exception) {
            $this->error($exception->getMessage());
        }
        if (!$insert) {
            $this->error(__('No rows were updated'));
        }

        try {
            //$insert倒序插入
            $insert = array_reverse($insert);

            $this->model->saveAll($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";
            };
            var_dump($exception->getData());
            $this->error($msg);
        } catch (Exception $e) {
            $this->error($e->getMessage());
        }

        $this->success();
    }


}