<?php

namespace LWVendor\PhpOffice\PhpSpreadsheet\Reader\Gnumeric;

use LWVendor\PhpOffice\PhpSpreadsheet\Cell\Coordinate;
use LWVendor\PhpOffice\PhpSpreadsheet\Shared\Date;
use LWVendor\PhpOffice\PhpSpreadsheet\Spreadsheet;
use LWVendor\PhpOffice\PhpSpreadsheet\Style\Alignment;
use LWVendor\PhpOffice\PhpSpreadsheet\Style\Border;
use LWVendor\PhpOffice\PhpSpreadsheet\Style\Borders;
use LWVendor\PhpOffice\PhpSpreadsheet\Style\Fill;
use LWVendor\PhpOffice\PhpSpreadsheet\Style\Font;
use SimpleXMLElement;
class Styles
{
    /**
     * @var Spreadsheet
     */
    private $spreadsheet;
    /**
     * @var bool
     */
    protected $readDataOnly = \false;
    /** @var array */
    public static $mappings = ['borderStyle' => ['0' => Border::BORDER_NONE, '1' => Border::BORDER_THIN, '2' => Border::BORDER_MEDIUM, '3' => Border::BORDER_SLANTDASHDOT, '4' => Border::BORDER_DASHED, '5' => Border::BORDER_THICK, '6' => Border::BORDER_DOUBLE, '7' => Border::BORDER_DOTTED, '8' => Border::BORDER_MEDIUMDASHED, '9' => Border::BORDER_DASHDOT, '10' => Border::BORDER_MEDIUMDASHDOT, '11' => Border::BORDER_DASHDOTDOT, '12' => Border::BORDER_MEDIUMDASHDOTDOT, '13' => Border::BORDER_MEDIUMDASHDOTDOT], 'fillType' => [
        '1' => Fill::FILL_SOLID,
        '2' => Fill::FILL_PATTERN_DARKGRAY,
        '3' => Fill::FILL_PATTERN_MEDIUMGRAY,
        '4' => Fill::FILL_PATTERN_LIGHTGRAY,
        '5' => Fill::FILL_PATTERN_GRAY125,
        '6' => Fill::FILL_PATTERN_GRAY0625,
        '7' => Fill::FILL_PATTERN_DARKHORIZONTAL,
        // horizontal stripe
        '8' => Fill::FILL_PATTERN_DARKVERTICAL,
        // vertical stripe
        '9' => Fill::FILL_PATTERN_DARKDOWN,
        // diagonal stripe
        '10' => Fill::FILL_PATTERN_DARKUP,
        // reverse diagonal stripe
        '11' => Fill::FILL_PATTERN_DARKGRID,
        // diagoanl crosshatch
        '12' => Fill::FILL_PATTERN_DARKTRELLIS,
        // thick diagonal crosshatch
        '13' => Fill::FILL_PATTERN_LIGHTHORIZONTAL,
        '14' => Fill::FILL_PATTERN_LIGHTVERTICAL,
        '15' => Fill::FILL_PATTERN_LIGHTUP,
        '16' => Fill::FILL_PATTERN_LIGHTDOWN,
        '17' => Fill::FILL_PATTERN_LIGHTGRID,
        // thin horizontal crosshatch
        '18' => Fill::FILL_PATTERN_LIGHTTRELLIS,
    ], 'horizontal' => ['1' => Alignment::HORIZONTAL_GENERAL, '2' => Alignment::HORIZONTAL_LEFT, '4' => Alignment::HORIZONTAL_RIGHT, '8' => Alignment::HORIZONTAL_CENTER, '16' => Alignment::HORIZONTAL_CENTER_CONTINUOUS, '32' => Alignment::HORIZONTAL_JUSTIFY, '64' => Alignment::HORIZONTAL_CENTER_CONTINUOUS], 'underline' => ['1' => Font::UNDERLINE_SINGLE, '2' => Font::UNDERLINE_DOUBLE, '3' => Font::UNDERLINE_SINGLEACCOUNTING, '4' => Font::UNDERLINE_DOUBLEACCOUNTING], 'vertical' => ['1' => Alignment::VERTICAL_TOP, '2' => Alignment::VERTICAL_BOTTOM, '4' => Alignment::VERTICAL_CENTER, '8' => Alignment::VERTICAL_JUSTIFY]];
    public function __construct(Spreadsheet $spreadsheet, bool $readDataOnly)
    {
        $this->spreadsheet = $spreadsheet;
        $this->readDataOnly = $readDataOnly;
    }
    public function read(SimpleXMLElement $sheet, int $maxRow, int $maxCol) : void
    {
        if ($sheet->Styles->StyleRegion !== null) {
            $this->readStyles($sheet->Styles->StyleRegion, $maxRow, $maxCol);
        }
    }
    private function readStyles(SimpleXMLElement $styleRegion, int $maxRow, int $maxCol) : void
    {
        foreach ($styleRegion as $style) {
            /** @scrutinizer ignore-call */
            $styleAttributes = $style->attributes();
            if ($styleAttributes !== null && $styleAttributes['startRow'] <= $maxRow && $styleAttributes['startCol'] <= $maxCol) {
                $cellRange = $this->readStyleRange($styleAttributes, $maxCol, $maxRow);
                $styleAttributes = $style->Style->attributes();
                $styleArray = [];
                // We still set the number format mask for date/time values, even if readDataOnly is true
                //    so that we can identify whether a float is a float or a date value
                $formatCode = $styleAttributes ? (string) $styleAttributes['Format'] : null;
                if ($formatCode && Date::isDateTimeFormatCode($formatCode)) {
                    $styleArray['numberFormat']['formatCode'] = $formatCode;
                }
                if ($this->readDataOnly === \false && $styleAttributes !== null) {
                    //    If readDataOnly is false, we set all formatting information
                    $styleArray['numberFormat']['formatCode'] = $formatCode;
                    $styleArray = $this->readStyle(
                        $styleArray,
                        $styleAttributes,
                        /** @scrutinizer ignore-type */
                        $style
                    );
                }
                $this->spreadsheet->getActiveSheet()->getStyle($cellRange)->applyFromArray($styleArray);
            }
        }
    }
    private function addBorderDiagonal(SimpleXMLElement $srssb, array &$styleArray) : void
    {
        if (isset($srssb->Diagonal, $srssb->{'Rev-Diagonal'})) {
            $styleArray['borders']['diagonal'] = self::parseBorderAttributes($srssb->Diagonal->attributes());
            $styleArray['borders']['diagonalDirection'] = Borders::DIAGONAL_BOTH;
        } elseif (isset($srssb->Diagonal)) {
            $styleArray['borders']['diagonal'] = self::parseBorderAttributes($srssb->Diagonal->attributes());
            $styleArray['borders']['diagonalDirection'] = Borders::DIAGONAL_UP;
        } elseif (isset($srssb->{'Rev-Diagonal'})) {
            $styleArray['borders']['diagonal'] = self::parseBorderAttributes($srssb->{'Rev-Diagonal'}->attributes());
            $styleArray['borders']['diagonalDirection'] = Borders::DIAGONAL_DOWN;
        }
    }
    private function addBorderStyle(SimpleXMLElement $srssb, array &$styleArray, string $direction) : void
    {
        $ucDirection = \ucfirst($direction);
        if (isset($srssb->{$ucDirection})) {
            $styleArray['borders'][$direction] = self::parseBorderAttributes($srssb->{$ucDirection}->attributes());
        }
    }
    private function calcRotation(SimpleXMLElement $styleAttributes) : int
    {
        $rotation = (int) $styleAttributes->Rotation;
        if ($rotation >= 270 && $rotation <= 360) {
            $rotation -= 360;
        }
        $rotation = \abs($rotation) > 90 ? 0 : $rotation;
        return $rotation;
    }
    private static function addStyle(array &$styleArray, string $key, string $value) : void
    {
        if (\array_key_exists($value, self::$mappings[$key])) {
            $styleArray[$key] = self::$mappings[$key][$value];
        }
    }
    private static function addStyle2(array &$styleArray, string $key1, string $key, string $value) : void
    {
        if (\array_key_exists($value, self::$mappings[$key])) {
            $styleArray[$key1][$key] = self::$mappings[$key][$value];
        }
    }
    private static function parseBorderAttributes(?SimpleXMLElement $borderAttributes) : array
    {
        $styleArray = [];
        if ($borderAttributes !== null) {
            if (isset($borderAttributes['Color'])) {
                $styleArray['color']['rgb'] = self::parseGnumericColour($borderAttributes['Color']);
            }
            self::addStyle($styleArray, 'borderStyle', (string) $borderAttributes['Style']);
        }
        return $styleArray;
    }
    private static function parseGnumericColour(string $gnmColour) : string
    {
        [$gnmR, $gnmG, $gnmB] = \explode(':', $gnmColour);
        $gnmR = \substr(\str_pad($gnmR, 4, '0', \STR_PAD_RIGHT), 0, 2);
        $gnmG = \substr(\str_pad($gnmG, 4, '0', \STR_PAD_RIGHT), 0, 2);
        $gnmB = \substr(\str_pad($gnmB, 4, '0', \STR_PAD_RIGHT), 0, 2);
        return $gnmR . $gnmG . $gnmB;
    }
    private function addColors(array &$styleArray, SimpleXMLElement $styleAttributes) : void
    {
        $RGB = self::parseGnumericColour((string) $styleAttributes['Fore']);
        $styleArray['font']['color']['rgb'] = $RGB;
        $RGB = self::parseGnumericColour((string) $styleAttributes['Back']);
        $shade = (string) $styleAttributes['Shade'];
        if ($RGB !== '000000' || $shade !== '0') {
            $RGB2 = self::parseGnumericColour((string) $styleAttributes['PatternColor']);
            if ($shade === '1') {
                $styleArray['fill']['startColor']['rgb'] = $RGB;
                $styleArray['fill']['endColor']['rgb'] = $RGB2;
            } else {
                $styleArray['fill']['endColor']['rgb'] = $RGB;
                $styleArray['fill']['startColor']['rgb'] = $RGB2;
            }
            self::addStyle2($styleArray, 'fill', 'fillType', $shade);
        }
    }
    private function readStyleRange(SimpleXMLElement $styleAttributes, int $maxCol, int $maxRow) : string
    {
        $startColumn = Coordinate::stringFromColumnIndex((int) $styleAttributes['startCol'] + 1);
        $startRow = $styleAttributes['startRow'] + 1;
        $endColumn = $styleAttributes['endCol'] > $maxCol ? $maxCol : (int) $styleAttributes['endCol'];
        $endColumn = Coordinate::stringFromColumnIndex($endColumn + 1);
        $endRow = 1 + ($styleAttributes['endRow'] > $maxRow ? $maxRow : (int) $styleAttributes['endRow']);
        $cellRange = $startColumn . $startRow . ':' . $endColumn . $endRow;
        return $cellRange;
    }
    private function readStyle(array $styleArray, SimpleXMLElement $styleAttributes, SimpleXMLElement $style) : array
    {
        self::addStyle2($styleArray, 'alignment', 'horizontal', (string) $styleAttributes['HAlign']);
        self::addStyle2($styleArray, 'alignment', 'vertical', (string) $styleAttributes['VAlign']);
        $styleArray['alignment']['wrapText'] = $styleAttributes['WrapText'] == '1';
        $styleArray['alignment']['textRotation'] = $this->calcRotation($styleAttributes);
        $styleArray['alignment']['shrinkToFit'] = $styleAttributes['ShrinkToFit'] == '1';
        $styleArray['alignment']['indent'] = (int) $styleAttributes['Indent'] > 0 ? $styleAttributes['indent'] : 0;
        $this->addColors($styleArray, $styleAttributes);
        $fontAttributes = $style->Style->Font->attributes();
        if ($fontAttributes !== null) {
            $styleArray['font']['name'] = (string) $style->Style->Font;
            $styleArray['font']['size'] = (int) $fontAttributes['Unit'];
            $styleArray['font']['bold'] = $fontAttributes['Bold'] == '1';
            $styleArray['font']['italic'] = $fontAttributes['Italic'] == '1';
            $styleArray['font']['strikethrough'] = $fontAttributes['StrikeThrough'] == '1';
            self::addStyle2($styleArray, 'font', 'underline', (string) $fontAttributes['Underline']);
            switch ($fontAttributes['Script']) {
                case '1':
                    $styleArray['font']['superscript'] = \true;
                    break;
                case '-1':
                    $styleArray['font']['subscript'] = \true;
                    break;
            }
        }
        if (isset($style->Style->StyleBorder)) {
            $srssb = $style->Style->StyleBorder;
            $this->addBorderStyle($srssb, $styleArray, 'top');
            $this->addBorderStyle($srssb, $styleArray, 'bottom');
            $this->addBorderStyle($srssb, $styleArray, 'left');
            $this->addBorderStyle($srssb, $styleArray, 'right');
            $this->addBorderDiagonal($srssb, $styleArray);
        }
        //    TO DO
        /*
        if (isset($style->Style->HyperLink)) {
            $hyperlink = $style->Style->HyperLink->attributes();
        }
        */
        return $styleArray;
    }
}