<?php

namespace PhpOffice\PhpSpreadsheet\Style\NumberFormat\Wizard;

class DateTime extends DateTimeWizard
{
    /**
     * @var string[]
     */
    protected array $separators;

    /**
     * @var array<DateTimeWizard|string>
     */
    protected array $formatBlocks;

    /**
     * @param null|string|string[] $separators
     *          If you want to use only a single format block, then pass a null as the separator argument
     * @param DateTimeWizard|string ...$formatBlocks
     */
    public function __construct($separators, ...$formatBlocks)
    {
        $this->separators = $this->padSeparatorArray(
            is_array($separators) ? $separators : [$separators],
            count($formatBlocks) - 1
        );
        $this->formatBlocks = array_map([$this, 'mapFormatBlocks'], $formatBlocks);
    }

    /**
     * @param DateTimeWizard|string $value
     */
    private function mapFormatBlocks($value): string
    {
        // Any date masking codes are returned as lower case values
        if (is_object($value)) {
            // We can't explicitly test for Stringable until PHP >= 8.0
            return $value;
        }

        // Wrap any string literals in quotes, so that they're clearly defined as string literals
        return $this->wrapLiteral($value);
    }

    public function format(): string
    {
        return implode('', array_map([$this, 'intersperse'], $this->formatBlocks, $this->separators));
    }
}