<?php

namespace LWVendor\PhpOffice\PhpSpreadsheet\Cell;

use LWVendor\PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
class ColumnRange implements AddressRange
{
    /**
     * @var ?Worksheet
     */
    protected $worksheet;
    /**
     * @var int
     */
    protected $from;
    /**
     * @var int
     */
    protected $to;
    public function __construct(string $from, ?string $to = null, ?Worksheet $worksheet = null)
    {
        $this->validateFromTo(Coordinate::columnIndexFromString($from), Coordinate::columnIndexFromString($to ?? $from));
        $this->worksheet = $worksheet;
    }
    public static function fromColumnIndexes(int $from, int $to, ?Worksheet $worksheet = null) : self
    {
        return new self(Coordinate::stringFromColumnIndex($from), Coordinate::stringFromColumnIndex($to), $worksheet);
    }
    /**
     * @param array<int|string> $array
     */
    public static function fromArray(array $array, ?Worksheet $worksheet = null) : self
    {
        \array_walk($array, function (&$column) : void {
            $column = \is_numeric($column) ? Coordinate::stringFromColumnIndex((int) $column) : $column;
        });
        /** @var string $from */
        /** @var string $to */
        [$from, $to] = $array;
        return new self($from, $to, $worksheet);
    }
    private function validateFromTo(int $from, int $to) : void
    {
        // Identify actual top and bottom values (in case we've been given bottom and top)
        $this->from = \min($from, $to);
        $this->to = \max($from, $to);
    }
    public function columnCount() : int
    {
        return $this->to - $this->from + 1;
    }
    public function shiftDown(int $offset = 1) : self
    {
        $newFrom = $this->from + $offset;
        $newFrom = $newFrom < 1 ? 1 : $newFrom;
        $newTo = $this->to + $offset;
        $newTo = $newTo < 1 ? 1 : $newTo;
        return self::fromColumnIndexes($newFrom, $newTo, $this->worksheet);
    }
    public function shiftUp(int $offset = 1) : self
    {
        return $this->shiftDown(0 - $offset);
    }
    public function from() : string
    {
        return Coordinate::stringFromColumnIndex($this->from);
    }
    public function to() : string
    {
        return Coordinate::stringFromColumnIndex($this->to);
    }
    public function fromIndex() : int
    {
        return $this->from;
    }
    public function toIndex() : int
    {
        return $this->to;
    }
    public function toCellRange() : CellRange
    {
        return new CellRange(CellAddress::fromColumnAndRow($this->from, 1, $this->worksheet), CellAddress::fromColumnAndRow($this->to, AddressRange::MAX_ROW));
    }
    public function __toString() : string
    {
        $from = $this->from();
        $to = $this->to();
        if ($this->worksheet !== null) {
            $title = \str_replace("'", "''", $this->worksheet->getTitle());
            return "'{$title}'!{$from}:{$to}";
        }
        return "{$from}:{$to}";
    }
}
