<?php
namespace App\Exports;

use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithTitle;
use Maatwebsite\Excel\Concerns\ShouldAutoSize;
use Maatwebsite\Excel\Concerns\WithStrictNullComparison;
use Maatwebsite\Excel\Concerns\WithCalculatedFormulas;

use Maatwebsite\Excel\Concerns\WithEvents;
use Maatwebsite\Excel\Events\BeforeExport;
use Maatwebsite\Excel\Events\AfterSheet;

use PhpOffice\PhpSpreadsheet\Cell\Coordinate;

class FaultyStatisticSheet implements FromCollection, WithHeadings, WithTitle, WithEvents, WithStrictNullComparison, WithCalculatedFormulas
{
    protected $data, $year, $title, $subtitle, $start_date, $end_date;

    public function __construct($data, $month, $start_date, $end_date)
    {
        $this->data = $data;
        $this->$start_date = $start_date;
        $this->end_date = $end_date;
        $this->year = date('Y', strtotime($start_date));


        if($month == '01'){
            $this->title = 'JAN';
            $this->subtitle = 'LAPORAN PENGELUARAN KOMPAUN MENGIKUT KESALAHAN BERDASARKAN TARIKH KOMPAUN 01/'.$month.'/'.$this->year.' HINGGA 31/'.$month.'/'.$this->year;
        }else if($month == '02'){
            $this->title = 'FEB';
            $this->subtitle = 'LAPORAN PENGELUARAN KOMPAUN MENGIKUT KESALAHAN BERDASARKAN TARIKH KOMPAUN 01/'.$month.'/'.$this->year.' HINGGA 28/'.$month.'/'.$this->year;
        }else if($month == '03'){
            $this->title = 'MAC';
            $this->subtitle = 'LAPORAN PENGELUARAN KOMPAUN MENGIKUT KESALAHAN BERDASARKAN TARIKH KOMPAUN 01/'.$month.'/'.$this->year.' HINGGA 31/'.$month.'/'.$this->year;
        }else if($month == '04'){
            $this->title = 'APRIL';
              $this->subtitle = 'LAPORAN PENGELUARAN KOMPAUN MENGIKUT KESALAHAN BERDASARKAN TARIKH KOMPAUN 01/'.$month.'/'.$this->year.' HINGGA 30/'.$month.'/'.$this->year;
        }else if($month == '05'){
            $this->title = 'MEI';
              $this->subtitle = 'LAPORAN PENGELUARAN KOMPAUN MENGIKUT KESALAHAN BERDASARKAN TARIKH KOMPAUN 01/'.$month.'/'.$this->year.' HINGGA 31/'.$month.'/'.$this->year;
        }else if($month == '06'){
            $this->title = 'JUN';
            $this->subtitle = 'LAPORAN PENGELUARAN KOMPAUN MENGIKUT KESALAHAN BERDASARKAN TARIKH KOMPAUN 01/'.$month.'/'.$this->year.' HINGGA 30/'.$month.'/'.$this->year;
        }else if($month == '07'){
            $this->title = 'JULY';
              $this->subtitle = 'LAPORAN PENGELUARAN KOMPAUN MENGIKUT KESALAHAN BERDASARKAN TARIKH KOMPAUN 01/'.$month.'/'.$this->year.' HINGGA 31/'.$month.'/'.$this->year;
        }else if($month == '08'){
            $this->title = 'OGOS';
            $this->subtitle = 'LAPORAN PENGELUARAN KOMPAUN MENGIKUT KESALAHAN BERDASARKAN TARIKH KOMPAUN 01/'.$month.'/'.$this->year.' HINGGA 31/'.$month.'/'.$this->year;
        }else if($month == '09'){
            $this->title = 'SEPT';
            $this->subtitle = 'LAPORAN PENGELUARAN KOMPAUN MENGIKUT KESALAHAN BERDASARKAN TARIKH KOMPAUN 01/'.$month.'/'.$this->year.' HINGGA 30/'.$month.'/'.$this->year;
        }else if($month == '10'){
            $this->title = 'OKT';
            $this->subtitle = 'LAPORAN PENGELUARAN KOMPAUN MENGIKUT KESALAHAN BERDASARKAN TARIKH KOMPAUN 01/'.$month.'/'.$this->year.' HINGGA 30/'.$month.'/'.$this->year;
        }else if($month == '11'){
            $this->title = 'NOV';
            $this->subtitle = 'LAPORAN PENGELUARAN KOMPAUN MENGIKUT KESALAHAN BERDASARKAN TARIKH KOMPAUN 01/'.$month.'/'.$this->year.' HINGGA 30/'.$month.'/'.$this->year;
        }else if($month == '12'){
            $this->title = 'DIS';
            $this->subtitle = 'LAPORAN PENGELUARAN KOMPAUN MENGIKUT KESALAHAN BERDASARKAN TARIKH KOMPAUN 01/'.$month.'/'.$this->year.' HINGGA 31/'.$month.'/'.$this->year;
        }else if($month == 'All'){
            $this->title = 'ALL';
            $this->subtitle = 'LAPORAN PENGELUARAN KOMPAUN MENGIKUT KESALAHAN BERDASARKAN TARIKH KOMPAUN '.date('d/m/Y', strtotime($start_date)).' HINGGA '.date('d/m/Y', strtotime($end_date));
        }
       
    }

    public function collection()
    {
        return collect($this->data);
    }

    public function headings(): array
    {
        return [
                'BIL',
                'KESALAHAN',
                'JUMLAH KOMPAUN KELUAR',
                'AMAUN KOMPAUN (RM)',
                'JUMLAH BAYAR',
                'AMAUN BAYAR (RM)',
                'JUMLAH KOMPAUN BELUM BAYAR',
                'AMAUN TUNGGAKAN (RM)',
                'KOMPAUN BATAL',
                'AMAUN BATAL (RM)',
                'KOMPAUN KURANG',
                'AMAUN KURANG (RM)', 
            ];
    }

    public function title(): string
    {
        return $this->title;
    }

    public function registerEvents(): array
    {
        return [
            AfterSheet::class => function(AfterSheet $event) {
                
                $column = ['C','D','E','F','G','H','I','J','K','L','M'];
                foreach ($column as $key => $c) {
                    $event->sheet->getDelegate()->getColumnDimension($c)->setWidth(8.43);
                }
                $event->sheet->getDelegate()->getColumnDimension('B')->setWidth(52);

                // set up a style array for cell formatting
                $style_bold_text_center = [
                    'alignment' => [
                        'horizontal' => 'center',
                        'vertical' => 'center', 
                    ],
                    'font' => [
                        'bold' => true,
                        'size' => 8,
                        'name' => 'Arial'
                    ],

                ];

                $style_bold_text_left = [
                    'alignment' => [
                        'horizontal' => 'left',
                        'vertical' => 'center', 
                    ],
                    'font' => [
                        'bold' => true,
                        'size' => 8,
                        'name' => 'Arial'
                    ]
                ];

                $style_normal_text_left = [
                    'alignment' => [
                        'horizontal' => 'left',
                        'vertical' => 'center', 
                    ],
                    'font' => [
                        'bold' => false,
                        'size' => 8,
                        'name' => 'Arial'
                    ]
                ];

                $style_normal_text_center = [
                    'alignment' => [
                        'horizontal' => 'center',
                        'vertical' => 'center', 
                    ],
                    'font' => [
                        'bold' => false,
                        'size' => 8,
                        'name' => 'Arial'
                    ]
                ];

                $style_border = [
                   'borders' => [
                        'allBorders' => [
                            'borderStyle' => \PhpOffice\PhpSpreadsheet\Style\Border::BORDER_MEDIUM,
                            'color' => ['argb' => '000000'],
                        ],
                    ],
                ];

                // at row 1, insert 2 rows
                $event->sheet->insertNewRowBefore(1, 2);

                // merge cells for full-width
                $event->sheet->mergeCells('A1:L1');
                $event->sheet->mergeCells('A2:L2');

                // assign cell values
                $event->sheet->setCellValue('A1', $this->subtitle);
                $event->sheet->setCellValue('A2','');

                // last column as letter value (e.g., D)
                if($this->data != null){

                    $last_column = Coordinate::stringFromColumnIndex(count($this->data[0]));
                    $second_last_column = Coordinate::stringFromColumnIndex(count($this->data[0])-1);
                    // calculate last row + 1 (total results + header rows + column headings row + new row)
                    $last_row = count($this->data) + 2 + 1 + 1 + 2;

                    $event->sheet->setCellValue(sprintf('B%d',$last_row-2), 'JUMLAH');
                    $event->sheet->setCellValue(sprintf('C%d',$last_row-2), '=SUM(C4:C'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('D%d',$last_row-2), '=SUM(D4:D'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('E%d',$last_row-2), '=SUM(E4:E'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('F%d',$last_row-2), '=SUM(F4:F'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('G%d',$last_row-2), '=SUM(G4:G'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('H%d',$last_row-2), '=SUM(H4:H'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('I%d',$last_row-2), '=SUM(I4:I'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('J%d',$last_row-2), '=SUM(J4:J'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('K%d',$last_row-2), '=SUM(K4:K'.($last_row-3).')');
                    $event->sheet->setCellValue(sprintf('L%d',$last_row-2), '=SUM(L4:L'.($last_row-3).')');

                    for($i = 0; $i < count($this->data); $i++){
                        $event->sheet->setCellValue(sprintf('A%d',$i+4), $i+1);
                        $event->sheet->setCellValue(sprintf('H%d',$i+4), '=D'.($i+4).'-F'.($i+4).'-L'.($i+4));
                    }

                    // assign cell styles
                    $event->sheet->getStyle('A1:A2')->applyFromArray($style_bold_text_center);
                    $event->sheet->getStyle(sprintf('A3:L3',$last_column))->applyFromArray($style_bold_text_center);
                    $event->sheet->getStyle(sprintf('A3:L3',$last_column))->getAlignment()->setWrapText(true);
                    $event->sheet->getStyle(sprintf('B4:B%d',($last_row-2)))->getAlignment()->setWrapText(true);
                    $event->sheet->getStyle(sprintf('A4:A%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('B4:B%d',($last_row-2)))->applyFromArray($style_normal_text_left);
                    $event->sheet->getStyle(sprintf('C4:C%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('D4:D%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('E4:E%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('F4:F%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('G4:G%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('H4:H%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('I4:I%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('J4:J%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('K4:K%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('L4:L%d',($last_row-2)))->applyFromArray($style_normal_text_center);
                    $event->sheet->getStyle(sprintf('B%d:L%d',($last_row-2),($last_row-2)))->applyFromArray($style_bold_text_center);

                    //assign border styles
                    $event->sheet->getStyle(sprintf('A3:A%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('B3:B%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('C3:C%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('D3:D%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('E3:E%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('F3:F%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('G3:G%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('H3:H%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('I3:I%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('J3:J%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('K3:K%d',($last_row-2)))->applyFromArray($style_border);
                    $event->sheet->getStyle(sprintf('L3:L%d',($last_row-2)))->applyFromArray($style_border); 
                }

            },
        ];
    }
}