<?php

namespace PhpOffice\PhpSpreadsheet\Writer;

use PhpOffice\PhpSpreadsheet\Calculation\Calculation;
use PhpOffice\PhpSpreadsheet\Spreadsheet;

class Csv extends BaseWriter
{
    /**
     * PhpSpreadsheet object.
     *
     * @var Spreadsheet
     */
    private $spreadsheet;

    /**
     * Delimiter.
     *
     * @var string
     */
    private $delimiter = ',';

    /**
     * Enclosure.
     *
     * @var string
     */
    private $enclosure = '"';

    /**
     * Line ending.
     *
     * @var string
     */
    private $lineEnding = PHP_EOL;

    /**
     * Sheet index to write.
     *
     * @var int
     */
    private $sheetIndex = 0;

    /**
     * Whether to write a BOM (for UTF8).
     *
     * @var bool
     */
    private $useBOM = false;

    /**
     * Whether to write a Separator line as the first line of the file
     *     sep=x.
     *
     * @var bool
     */
    private $includeSeparatorLine = false;

    /**
     * Whether to write a fully Excel compatible CSV file.
     *
     * @var bool
     */
    private $excelCompatibility = false;

    /**

>      * Output encoding.
     * Create a new CSV.
>      *
     *
>      * @var string
     * @param Spreadsheet $spreadsheet Spreadsheet object
>      */
     */
>     private $outputEncoding = '';
    public function __construct(Spreadsheet $spreadsheet)
> 
    {
>     /**


        $this->spreadsheet = $spreadsheet;
    }

    /**
     * Save PhpSpreadsheet to file.
     *

<      * @param resource|string $pFilename



>      * @param resource|string $filename


     */

<     public function save($pFilename): void



>     public function save($filename, int $flags = 0): void


    {

>         $this->processFlags($flags);
        // Fetch sheet
> 


        $sheet = $this->spreadsheet->getSheet($this->sheetIndex);

        $saveDebugLog = Calculation::getInstance($this->spreadsheet)->getDebugLog()->getWriteDebugLog();
        Calculation::getInstance($this->spreadsheet)->getDebugLog()->setWriteDebugLog(false);
        $saveArrayReturnType = Calculation::getArrayReturnType();
        Calculation::setArrayReturnType(Calculation::RETURN_ARRAY_AS_VALUE);

        // Open file

<         $this->openFileHandle($pFilename);



>         $this->openFileHandle($filename);



        if ($this->excelCompatibility) {
            $this->setUseBOM(true); //  Enforce UTF-8 BOM Header
            $this->setIncludeSeparatorLine(true); //  Set separator line
            $this->setEnclosure('"'); //  Set enclosure to "
            $this->setDelimiter(';'); //  Set delimiter to a semi-colon
            $this->setLineEnding("\r\n");
        }

        if ($this->useBOM) {
            // Write the UTF-8 BOM code if required
            fwrite($this->fileHandle, "\xEF\xBB\xBF");
        }

        if ($this->includeSeparatorLine) {
            // Write the separator line if required
            fwrite($this->fileHandle, 'sep=' . $this->getDelimiter() . $this->lineEnding);
        }

        //    Identify the range that we need to extract from the worksheet
        $maxCol = $sheet->getHighestDataColumn();
        $maxRow = $sheet->getHighestDataRow();

        // Write rows to file
        for ($row = 1; $row <= $maxRow; ++$row) {
            // Convert the row to an array...
            $cellsArray = $sheet->rangeToArray('A' . $row . ':' . $maxCol . $row, '', $this->preCalculateFormulas);
            // ... and write to the file
            $this->writeLine($this->fileHandle, $cellsArray[0]);
        }

        $this->maybeCloseFileHandle();
        Calculation::setArrayReturnType($saveArrayReturnType);
        Calculation::getInstance($this->spreadsheet)->getDebugLog()->setWriteDebugLog($saveDebugLog);
    }

    /**
     * Get delimiter.
     *
     * @return string
     */
    public function getDelimiter()
    {
        return $this->delimiter;
    }

    /**
     * Set delimiter.
     *

<      * @param string $pValue Delimiter, defaults to ','



>      * @param string $delimiter Delimiter, defaults to ','


     *
     * @return $this
     */

<     public function setDelimiter($pValue)



>     public function setDelimiter($delimiter)


    {

<         $this->delimiter = $pValue;



>         $this->delimiter = $delimiter;



        return $this;
    }

    /**
     * Get enclosure.
     *
     * @return string
     */
    public function getEnclosure()
    {
        return $this->enclosure;
    }

    /**
     * Set enclosure.
     *

<      * @param string $pValue Enclosure, defaults to "



>      * @param string $enclosure Enclosure, defaults to "


     *
     * @return $this
     */

<     public function setEnclosure($pValue = '"')



>     public function setEnclosure($enclosure = '"')


    {

<         $this->enclosure = $pValue;



>         $this->enclosure = $enclosure;



        return $this;
    }

    /**
     * Get line ending.
     *
     * @return string
     */
    public function getLineEnding()
    {
        return $this->lineEnding;
    }

    /**
     * Set line ending.
     *

<      * @param string $pValue Line ending, defaults to OS line ending (PHP_EOL)



>      * @param string $lineEnding Line ending, defaults to OS line ending (PHP_EOL)


     *
     * @return $this
     */

<     public function setLineEnding($pValue)



>     public function setLineEnding($lineEnding)


    {

<         $this->lineEnding = $pValue;



>         $this->lineEnding = $lineEnding;



        return $this;
    }

    /**
     * Get whether BOM should be used.
     *
     * @return bool
     */
    public function getUseBOM()
    {
        return $this->useBOM;
    }

    /**
     * Set whether BOM should be used.
     *

<      * @param bool $pValue Use UTF-8 byte-order mark? Defaults to false



>      * @param bool $useBOM Use UTF-8 byte-order mark? Defaults to false


     *
     * @return $this
     */

<     public function setUseBOM($pValue)



>     public function setUseBOM($useBOM)


    {

<         $this->useBOM = $pValue;



>         $this->useBOM = $useBOM;



        return $this;
    }

    /**
     * Get whether a separator line should be included.
     *
     * @return bool
     */
    public function getIncludeSeparatorLine()
    {
        return $this->includeSeparatorLine;
    }

    /**
     * Set whether a separator line should be included as the first line of the file.
     *

<      * @param bool $pValue Use separator line? Defaults to false



>      * @param bool $includeSeparatorLine Use separator line? Defaults to false


     *
     * @return $this
     */

<     public function setIncludeSeparatorLine($pValue)



>     public function setIncludeSeparatorLine($includeSeparatorLine)


    {

<         $this->includeSeparatorLine = $pValue;



>         $this->includeSeparatorLine = $includeSeparatorLine;



        return $this;
    }

    /**
     * Get whether the file should be saved with full Excel Compatibility.
     *
     * @return bool
     */
    public function getExcelCompatibility()
    {
        return $this->excelCompatibility;
    }

    /**
     * Set whether the file should be saved with full Excel Compatibility.
     *

<      * @param bool $pValue Set the file to be written as a fully Excel compatible csv file



>      * @param bool $excelCompatibility Set the file to be written as a fully Excel compatible csv file


     *                                Note that this overrides other settings such as useBOM, enclosure and delimiter
     *
     * @return $this
     */

<     public function setExcelCompatibility($pValue)



>     public function setExcelCompatibility($excelCompatibility)


    {

<         $this->excelCompatibility = $pValue;



>         $this->excelCompatibility = $excelCompatibility;



        return $this;
    }

    /**
     * Get sheet index.
     *
     * @return int
     */
    public function getSheetIndex()
    {
        return $this->sheetIndex;
    }

    /**
     * Set sheet index.
     *

<      * @param int $pValue Sheet index



>      * @param int $sheetIndex Sheet index


     *
     * @return $this
     */

<     public function setSheetIndex($pValue)



>     public function setSheetIndex($sheetIndex)


    {

<         $this->sheetIndex = $pValue;



>         $this->sheetIndex = $sheetIndex;



        return $this;
    }


>     /**
    private $enclosureRequired = true;
>      * Get output encoding.

>      *
    public function setEnclosureRequired(bool $value): self
>      * @return string
    {
>      */
        $this->enclosureRequired = $value;
>     public function getOutputEncoding()

>     {
        return $this;
>         return $this->outputEncoding;
    }
>     }

> 
    public function getEnclosureRequired(): bool
>     /**
    {
>      * Set output encoding.
        return $this->enclosureRequired;
>      *
    }
>      * @param string $outputEnconding Output encoding

>      *
    /**
>      * @return $this
     * Write line to CSV file.
>      */
     *
>     public function setOutputEncoding($outputEnconding)
     * @param resource $pFileHandle PHP filehandle
>     {
     * @param array $pValues Array containing values in a row
>         $this->outputEncoding = $outputEnconding;
     */
> 
    private function writeLine($pFileHandle, array $pValues): void
>         return $this;
    {
>     }
        // No leading delimiter
> 
        $delimiter = '';
>     /** @var bool */




>      * Convert boolean to TRUE/FALSE; otherwise return element cast to string.
        // Build the line
>      *
        $line = '';
>      * @param mixed $element

>      */
        foreach ($pValues as $element) {
>     private static function elementToString($element): string
            // Add delimiter
>     {
            $line .= $delimiter;
>         if (is_bool($element)) {
            $delimiter = $this->delimiter;
>             return $element ? 'TRUE' : 'FALSE';
            // Escape enclosures
>         }
            $enclosure = $this->enclosure;
> 
            if ($enclosure) {
>         return (string) $element;
                // If enclosure is not required, use enclosure only if
>     }
                // element contains newline, delimiter, or enclosure.
> 
                if (!$this->enclosureRequired && strpbrk($element, "$delimiter$enclosure\n") === false) {
>     /**



<      * @param resource $pFileHandle PHP filehandle
<      * @param array $pValues Array containing values in a row



>      * @param resource $fileHandle PHP filehandle
>      * @param array $values Array containing values in a row



<     private function writeLine($pFileHandle, array $pValues): void



>     private function writeLine($fileHandle, array $values): void



<         foreach ($pValues as $element) {



>         foreach ($values as $element) {
>             $element = self::elementToString($element);


            }
            // Add enclosed string
            $line .= $enclosure . $element . $enclosure;
        }

        // Add line ending
        $line .= $this->lineEnding;

        // Write to file

<         fwrite($pFileHandle, $line);



>         if ($this->outputEncoding != '') {
>             $line = mb_convert_encoding($line, $this->outputEncoding);
>         }
>         fwrite($fileHandle, $line);


    }
}