<?php

namespace App\Services;

use App\Helpers\DateHelper;
use App\Models\Product;
use Illuminate\Support\Collection;
use Illuminate\Support\Facades\Log;
use Illuminate\Support\Facades\Storage;
use Illuminate\Support\Str;
use PhpOffice\PhpSpreadsheet\IOFactory;
use PhpOffice\PhpSpreadsheet\Style\Alignment;
use PhpOffice\PhpSpreadsheet\Style\Border;
use PhpOffice\PhpSpreadsheet\Style\Color;
use PhpOffice\PhpSpreadsheet\Style\Fill;
use PhpOffice\PhpSpreadsheet\Worksheet\PageSetup;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;

class ExportScheduleService
{


    /**
     * @throws \Exception
     */
    public function handle(Collection $schedules, int $userId): string
    {

        $inputFileType = 'Xlsx'; // Xlsx - Xml - Ods - Slk - Gnumeric - Csv
        $inputFileName = './templates/Schedule.xlsx';

        $reader = IOFactory::createReader($inputFileType);
        $spreadsheet = $reader->load($inputFileName);
        $sheet = $spreadsheet->getActiveSheet();
        $sheet->getPageSetup()->setOrientation(PageSetup::ORIENTATION_LANDSCAPE);

        $i = 3;
        $first = true;
        $from = '-';
        $prevInstDate = '';
        $j = 1;
        foreach ($schedules as $schedule) {
            if($first) {
                $first = false;
                $from = $schedule->installation_date;
                $prevInstDate = $schedule->installation_date;

            } elseif($prevInstDate === $schedule->installation_date) {
                $j++;
            } else {
                if($j > 1) {
                    $sheet->mergeCells('A' . $i - $j . ':A' . $i - 1);
                    $sheet->mergeCells('B' . $i - $j . ':B' . $i - 1);
                }
                $j = 1;
                $prevInstDate = $schedule->installation_date;
            }

            $sheet->setCellValue('A' . $i, DateHelper::getHumanDayOfWeek($schedule->installation_date));
            $sheet->setCellValue('B' . $i, DateHelper::getHumanDate($schedule->installation_date, true));


            $sheet->setCellValue('C' . $i, $schedule->address_code);
            $sheet->setCellValue('D' . $i, $schedule->district->shortname);
            $sheet->setCellValue('E' . $i, $schedule->area->name);
            $sheet->setCellValue('F' . $i, $schedule->object_address);
            $sheet->setCellValue('G' . $i, $schedule->object_type);
            $sheet->setCellValue('H' . $i, Str::trim($schedule->mafs));
            $sheet->setCellValue('I' . $i, $schedule->mafs_count);
            $sheet->setCellValue('J' . $i, $schedule->brigadier->name);
            $sheet->setCellValue('K' . $i, $schedule->comment);

            $sheet->getStyle('C' . $i . ':K' . $i)->getFill()->setFillType(Fill::FILL_SOLID)->getStartColor()->setRGB(Str::replace('#', '', $schedule->brigadier->color));
            $i++;
        }
        // merge last cells if $j > 1
        if($j > 1) {
            $sheet->mergeCells('A' . $i - $j . ':A' . $i - 1);
            $sheet->mergeCells('B' . $i - $j . ':B' . $i - 1);
        }

        $sheet->getStyle('A2:B' . $i -1)->getAlignment()->setTextRotation(90);

        $sheet->getStyle('A2:K' . $i - 1)->getBorders()->getAllBorders()->setBorderStyle(Border::BORDER_THIN)->setColor(new Color('777777'));
        $sheet->getStyle('A2:K' . $i - 1)->getAlignment()->setHorizontal(Alignment::HORIZONTAL_CENTER);
        $sheet->getStyle('C2:K' . $i - 1)->getAlignment()->setWrapText(true);

        $fromText = (DateHelper::isDate($from)) ? DateHelper::getHumanDate($from) : '-';
        $toText = (isset($schedule) && $schedule->installation_date) ? DateHelper::getHumanDate($schedule->installation_date) : '-';
        $header = 'График монтажей с ' . $fromText . ' по ' . $toText;

        $sheet->setCellValue('A1', $header);
        $sheet->getStyle('A1')->getFont()->setBold(true);
        $fileName = $header . '.xlsx';

        $writer = new Xlsx($spreadsheet);
        $fd = 'export/schedule/tmp';
        Storage::disk('public')->makeDirectory($fd);
        $fp = storage_path('app/public/export/schedule/') . '/tmp/' . $fileName;
        Storage::disk('public')->delete($fd . '/' . $fileName);
        $writer->save($fp);
        PdfConverterClient::convert($fp);

        // create zip archive
        $fileModel = (new FileService())->createZipArchive($fd, Str::replace('.xlsx', '.zip', $fileName), $userId);

        //   remove temp files
        Storage::disk('public')->deleteDirectory($fd);

        // return link
        return $fileModel?->link ?? '';

    }
}