<?php

namespace App\Modules\Invoice\Actions;

use App\Modules\Invoice\Data\InvoiceExcellData;
use App\Modules\Invoice\Data\InvoiceItem;
use App\Modules\Makeable;
use Illuminate\Support\Carbon;
use PhpOffice\PhpSpreadsheet\IOFactory;
use PhpOffice\PhpSpreadsheet\RichText\RichText;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Style\Alignment;
use PhpOffice\PhpSpreadsheet\Style\Border;
use PhpOffice\PhpSpreadsheet\Style\Font;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;

class GenerateInvoiceExcell
{
    use Makeable;

    /** Template file */
    protected string $templateFile;

    /** Excell Spreadsheet */
    protected Spreadsheet $spreadsheet;

    /** Active worksheet */
    protected Worksheet $worksheet;

    /** Invoice data */
    protected InvoiceExcellData $data;

    /**
     * Let's generate an invoice excell file...
     */
    public function __construct()
    {
        // For turkmen date format...
        Carbon::setLocale('tk');
    }

    /**
     * Run conversion process
     */
    public function handle(): self
    {
        $this->setSpreadsheetFile();
        $this->setWorksheetFile();
        $this->fillTheCells();

        return $this;
    }

    /**
     * Save the invoice
     */
    public function save(): void
    {
        $writer = IOFactory::createWriter($this->spreadsheet, 'Xls');

        $writer->save('write.xls');
    }

    /**
     * Set template file path
     */
    public function setTemplateFile(string $file): self
    {
        $this->templateFile = $file;

        return $this;
    }

    /**
     * Set data
     */
    public function setData(InvoiceExcellData $data): self
    {
        $this->data = $data;

        return $this;
    }

    /**
     * Load template to a new spreadsheet
     */
    protected function setSpreadsheetFile(): void
    {
        $this->spreadsheet = IOFactory::load($this->templateFile);
    }

    /**
     * Set working spreadsheet
     */
    protected function setWorksheetFile(): void
    {
        $this->worksheet = $this->spreadsheet->getActiveSheet();
    }

    /**
     * Create a RichText object with specified text and font settings.
     */
    protected function addToRichText(RichText $richText, string $text, bool $isBold = false): RichText
    {
        $textRun = $richText->createTextRun($text);

        $font = $textRun->getFont() ?: new Font;
        $font->setName('Times New Roman')->setSize(10);
        if ($isBold) {
            $font->setBold(true);
        }

        return $richText;
    }

    /**
     * Fill the cells
     */
    protected function fillTheCells(): void
    {
        $data = $this->getTemplateValues();

        foreach ($data as $cell => $value) {
            $this->worksheet->getCell($cell)->setValue($value);
        }

        $items = collect($this->data->items);

        $itemCellNumber = 25;
        $numberFormat = $this->worksheet->getStyle('E' . 25)->getNumberFormat()->getFormatCode();
        $items->each(function (InvoiceItem $item, int $index) use (&$itemCellNumber, $numberFormat) {
            $this->worksheet->getCell('A' . $itemCellNumber)->setValue($index + 1);
            $this->worksheet->getCell('B' . $itemCellNumber)->setValue($item->name);
            $this->worksheet->getCell('C' . $itemCellNumber)->setValue($item->unit);
            $this->worksheet->getCell('D' . $itemCellNumber)->setValue($item->quantity);
            $this->worksheet->getCell('E' . $itemCellNumber)->setValue($item->unit_price);
            $this->worksheet->getCell('F' . $itemCellNumber)->setValue($item->vat);
            $this->worksheet->getCell('G' . $itemCellNumber)->setValue($item->vat_excluded);
            $this->worksheet->getCell('H' . $itemCellNumber)->setValue($item->vat_percentage);
            $this->worksheet->getCell('I' . $itemCellNumber)->setValue($item->vat_tmt);

            $this->worksheet->setCellValue(
                'J' . $itemCellNumber,
                "=D{$itemCellNumber}*E{$itemCellNumber}"
            );

            // Set font-family, alingment, and borders for all of them...
            $this->worksheet->getStyle('A' . $itemCellNumber . ':J' . $itemCellNumber)->applyFromArray([
                'font' => [
                    'bold' => false,
                    'size' => 10,
                    'name' => 'Times New Roman'
                ],
                'alignment' => [
                    'horizontal' => Alignment::HORIZONTAL_CENTER,
                    'vertical' => Alignment::VERTICAL_CENTER,
                ],
                'borders' => [
                    'allBorders' => [
                        'borderStyle' => Border::BORDER_THIN,
                    ],
                ],
            ]);

            // Invoice Name...
            $this->worksheet->getCell('B' . $itemCellNumber)->getStyle()->applyFromArray([
                'alignment' => [
                    'horizontal' => Alignment::HORIZONTAL_LEFT,
                    'vertical' => Alignment::VERTICAL_CENTER,
                ]
            ]);

            $this->worksheet->getCell('D' . $itemCellNumber)->getStyle()->applyFromArray([
                'font' => [
                    'bold' => true,
                ],
            ]);

            $this->worksheet->getCell('E' . $itemCellNumber)->getStyle()->applyFromArray([
                'font' => [
                    'bold' => true,
                ],
            ]);
            $this->worksheet->getCell('J' . $itemCellNumber)->getStyle()->applyFromArray([
                'font' => [
                    'bold' => true,
                ],
            ]);

            // Invoice number format...
            $this->worksheet->getStyle('E' . $itemCellNumber)->getNumberFormat()->setFormatCode($numberFormat);
            $this->worksheet->getStyle('J' . $itemCellNumber)->getNumberFormat()->setFormatCode($numberFormat);

            $itemCellNumber++;
        });
    }

    /**
     * Get template cells and values
     *
     * @return array<string, mixed>
     */
    protected function getTemplateValues(): array
    {
        return [
            'C6' => $this->hasapFakturaNomeri(),
            'C7' => $this->sene(),
            'A9' => $this->satyjy(),
            'A11' => $this->satyjySalgytBelgi(),
            'A12' => $this->satyjyBanky(),
            'A13' => $this->satyjyBankyMaglumatlary(),
            'A16' => $this->satynAlyjy(),
            'A18' => $this->satynAlyjySalgy(),
            'A19' => $this->satynAlyjyBanky(),
            'A20' => $this->satynAlyjyBankyMaglumatlary(),
        ];
    }

    /**
     * Hasap faktura nomeri
     */
    public function hasapFakturaNomeri(): string
    {
        return 'Hasap-faktura № '.$this->data->number;
    }

    /**
     * Sene
     */
    public function sene(): string
    {
        $date = $this->data->date;

        $year = $date->year;
        $day = $date->format('d');
        $month_as_string = $date->translatedFormat('F');

        return sprintf('%s ýylyň «%s» %s', $year, $day, $month_as_string);
    }

    /**
     * Satyjy
     */
    public function satyjy(): string
    {
        return sprintf('Satyjy: %s %s', $this->data->seller_firm_type, $this->data->seller_firm_name);
    }

    /**
     * Satyjy salgyt belgisi
     */
    public function satyjySalgytBelgi(): RichText
    {
        $richText = new RichText;
        $satyjy_salgyt_belgi = $this->addToRichText(
            richText: $richText,
            text: 'Satyjynyň şahsy salgyt belgisi: '
        );

        return $this->addToRichText(
            richText: $satyjy_salgyt_belgi,
            text: $this->data->seller_ssb,
            isBold: true
        );
    }

    /**
     * Satyjy bank maglumatlary
     */
    public function satyjyBanky(): RichText
    {
        $richText = new RichText;
        $satyjy_banky = $this->addToRichText(
            richText: $richText,
            text: sprintf('Satyjynyň bankynyň ady %s, hasap № ', $this->data->seller_bank_name)
        );

        return $this->addToRichText(
            richText: $satyjy_banky,
            text: $this->data->seller_bank_hb_1,
            isBold: true
        );
    }

    /**
     * Satyjy bank maglumatlary
     */
    public function satyjyBankyMaglumatlary(): RichText
    {
        $richText = new RichText;
        $city_label = $this->addToRichText($richText, 'şäherde (etrapda) ');
        $city = $this->addToRichText($city_label, $this->data->seller_bank_city, isBold: true);

        $bab_label = $this->addToRichText($city, ' BAB ');
        $bab = $this->addToRichText($bab_label, $this->data->seller_bank_bab, isBold: true);

        $hb_2_label = $this->addToRichText($bab, ' bankyň kor.hasap ');

        return $this->addToRichText($hb_2_label, $this->data->seller_bank_hb_2, isBold: true);
    }

    /**
     * Satyn alyjy
     */
    public function satynAlyjy(): string
    {
        return 'Satyn alyjy: '.$this->data->buyer;
    }

    /**
     * Satyn alyjy salgy
     */
    public function satynAlyjySalgy(): string
    {
        return $this->data->buyer_address;
    }

    /**
     * Satyn alyjy banky we salgysy
     */
    public function satynAlyjyBanky(): string
    {
        return sprintf('Alyjynyň bankynyň ady %s %s', $this->data->buyer_bank, $this->data->buyer_bank_address);
    }

    /**
     * Satyn alyjynyň bank maglumatlary
     */
    public function satynAlyjyBankyMaglumatlary(): string
    {
        return 'Satyn alyjynyň '.$this->data->buyer_bank_data;
    }
}