<?php

namespace App\Exports;

use Maatwebsite\Excel\Concerns\{FromCollection, WithHeadings, WithMapping, ShouldAutoSize, WithStyles, WithEvents, WithCustomStartCell};
use Maatwebsite\Excel\Events\AfterSheet;
use PhpOffice\PhpSpreadsheet\Worksheet\Worksheet;
use Carbon\Carbon;
use Illuminate\Support\Facades\Auth;

class UnifiedReportExport implements FromCollection, WithHeadings, WithMapping, ShouldAutoSize, WithStyles, WithEvents, WithCustomStartCell
{
    protected $data;
    protected $module;

    public function __construct($data, $module)
    {
        $this->data = $data;
        $this->module = $module;
    }

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

    /**
     * Data tabel dimulai dari baris ke-7 (setelah metadata)
     */
    public function startCell(): string
    {
        return 'A7';
    }

    public function headings(): array
    {
        return match ($this->module) {
            'cats' => ['ID', 'NAMA KUCING', 'RAS', 'GENDER', 'TGL LAHIR', 'STATUS', 'PIC STAFF'],
            'vaccine', 'deworming', 'flea', 'grooming' => ['ID', 'NAMA KUCING', 'TINDAKAN', 'JADWAL', 'STATUS', 'PIC STAFF'],
            'medicine', 'food', 'supplies' => ['ID', 'NAMA PRODUK', 'STOK', 'SATUAN', 'TGL EXPIRED', 'PIC STAFF'],
            default => ['ID', 'NAMA', 'DETAIL', 'TANGGAL', 'PIC']
        };
    }

    public function map($item): array
    {
        $dateCol = match($this->module) {
            'cats' => 'tanggal_lahir',
            'medicine', 'food', 'supplies' => 'expired_date',
            'vaccine' => 'jadwal_vaksin',
            'deworming' => 'jadwal_obat_cacing',
            'flea' => 'jadwal_obat_kutu',
            'grooming' => 'jadwal_grooming',
            default => 'created_at'
        };

        $dateValue = $item->{$dateCol} ? Carbon::parse($item->{$dateCol})->format('d/m/Y') : 'Not Set';

        return match ($this->module) {
            'cats' => [
                $item->id, $item->nama_kucing, $item->ras, $item->jenis_kelamin,
                $dateValue, $item->riwayat_sakit_terakhir ? 'IN TREATMENT' : 'HEALTHY',
                $item->pic->name ?? 'System'
            ],
            'vaccine', 'deworming', 'flea', 'grooming' => [
                $item->id, $item->nama_kucing, strtoupper($this->module),
                $dateValue, $this->getScheduleStatus($item->{$dateCol}),
                $item->pic->name ?? 'System'
            ],
            'medicine', 'food', 'supplies' => [
                $item->id, $item->nama_obat ?? $item->nama_makanan ?? $item->nama_perlengkapan,
                $item->qty, $item->unit, $dateValue, $item->pic->name ?? 'System'
            ],
            default => [
                $item->id, $item->nama_kucing ?? 'Data', $item->ras ?? '-', $dateValue, $item->pic->name ?? 'System'
            ]
        };
    }

    private function getScheduleStatus($date) {
        if (!$date) return 'NOT SET';
        return Carbon::parse($date)->isPast() ? 'OVERDUE' : 'SCHEDULED';
    }

    /**
     * Menulis Metadata di bagian atas Sheet
     */
    public function registerEvents(): array
    {
        return [
            AfterSheet::class => function(AfterSheet $event) {
                $sheet = $event->sheet;
                
                // Menulis Metadata
                $sheet->setCellValue('A1', 'ILY CATTERY - LAPORAN TERPADU');
                $sheet->setCellValue('A2', 'Dicetak Oleh: ' . Auth::user()->name);
                $sheet->setCellValue('A3', 'Tanggal Cetak: ' . now()->translatedFormat('d F Y H:i'));
                $sheet->setCellValue('A4', 'Total Data: ' . $this->data->count() . ' Records');
                $sheet->setCellValue('A5', 'Status Laporan: LAPORAN ' . strtoupper($this->module));

                // Styling Metadata
                $sheet->getStyle('A1')->getFont()->setSize(14)->setBold(true);
                $sheet->getStyle('A2:A5')->getFont()->setBold(true);
            },
        ];
    }

    public function styles(Worksheet $sheet)
    {
        return [
            // Style untuk Header Tabel (Sekarang di baris 7)
            7 => [
                'font' => ['bold' => true, 'color' => ['rgb' => 'FFFFFF']],
                'fill' => [
                    'fillType' => \PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID,
                    'startColor' => ['rgb' => '4F46E5']
                ],
                'alignment' => ['horizontal' => \PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER]
            ],
            // Border untuk seluruh tabel
            'A7:G' . (7 + $this->data->count()) => [
                'borders' => [
                    'allBorders' => [
                        'borderStyle' => \PhpOffice\PhpSpreadsheet\Style\Border::BORDER_THIN,
                        'color' => ['rgb' => 'E2E8F0'],
                    ],
                ],
            ],
        ];
    }
}