<?php
namespace nur\sery\ext\spreadsheet;

use nur\sery\file\csv\AbstractReader;
use nur\sery\file\csv\TAbstractReader;
use OpenSpout\Reader\Common\Creator\ReaderEntityFactory;

class SpoutReader extends AbstractReader {
  /** @var string|int|null nom de la feuille depuis laquelle lire */
  const WSNAME = null;

  function __construct($input, ?array $params=null) {
    parent::__construct($input, $params);
    $this->wsname = $params["wsname"] ?? static::WSNAME;
  }

  protected $wsname;

  /**
   * @param string|int|null $wsname
   */
  function setWsname($wsname): self {
    $this->wsname = $wsname;
    return $this;
  }

  function getIterator() {
    $ss = ReaderEntityFactory::createReaderFromFile($this->input);
    try {
      $found = false;
      foreach ($ss->getSheetIterator() as $ws) {
        if ($this->wsname === null || $this->wsname === $ws->getName()) {
          $found = true;
          break;
        }
      }
      if (!$found) return;

      $this->isrc = $this->idest = 0;
      foreach ($ws->getRowIterator() as $row) {
        $row = $row->toArray();
        foreach ($row as &$col) {
          $this->verifixCol($col);
        }; unset($col);
        if ($this->cook($row)) {
          yield $row;
          $this->idest++;
        }
        $this->isrc++;
      }
    } finally {
      $ss->close();
    }
  }
}