<?php

namespace Modules\Lpj\Exports;

use Maatwebsite\Excel\Concerns\FromCollection;
use Maatwebsite\Excel\Concerns\WithHeadings;
use Maatwebsite\Excel\Concerns\WithMapping;
use Maatwebsite\Excel\Concerns\WithTitle;
use Maatwebsite\Excel\Concerns\WithCustomStartCell;
use Maatwebsite\Excel\Concerns\WithEvents;
use Maatwebsite\Excel\Events\AfterSheet;
use Modules\Lpj\Models\Permohonan;
use Modules\Lpj\Models\Branch;
use Illuminate\Support\Facades\Auth;
use Carbon\Carbon;
use Illuminate\Support\Facades\DB;

class LaporanUserLimitExport implements FromCollection, WithHeadings, WithMapping, WithTitle, WithCustomStartCell, WithEvents
{
    protected $request;

    public function __construct($request)
    {
        $this->request = $request;
    }

    public function collection()
    {
        $query = Permohonan::query();
        $query = $query->where('status', 'done');

        // Apply date range filter if provided
        if ($this->request->has('start_date') || $this->request->has('end_date')) {
             $startDate = $this->request->start_date ?? '1900-01-01';
            $endDate = $this->request->end_date ?? now()->toDateString();

            $query->where(function ($q) use ($startDate, $endDate) {

                $q->whereHas('penilaian', function ($q2) use ($startDate, $endDate) {
                    $q2->whereBetween('tanggal_kunjungan', [$startDate, $endDate]);
                });

                // OR check if has penawaran with date in range
                $q->orWhereHas('penawaran', function ($q3) use ($startDate, $endDate) {
                    $q3->whereBetween('tanggal_penilaian_sebelumnya', [$startDate, $endDate]);
                });
            });
        }

        // Apply branch filter if provided
        if ($this->request->has('branch_id') && !empty($this->request->branch_id)) {
            $query->where('branch_id', $this->request->branch_id);
        }

        if ($this->request->has('penilai_id') && !empty($this->request->penilai_id)) {
            $request = $this->request; // Store in a local variable
            $query->whereHas('penilaian._user_penilai.userPenilaiTeam', function ($q) use ($request) {
                $q->where('user_id', $request->penilai_id);
            });
        }

        // Apply search filter if provided
        if ($this->request->has('search') && !empty($this->request->search)) {
            $search = $this->request->search;
            $query->where(function ($q) use ($search) {
                $q->where('nomor_registrasi', 'LIKE', '%' . $search . '%');
                $q->orWhere('tanggal_permohonan', 'LIKE', '%' . $search . '%');
                $q->orWhereRelation('user', 'name', 'LIKE', '%' . $search . '%');
                $q->orWhereRelation('tujuanPenilaian', 'name', 'LIKE', '%' . $search . '%');
                 $q->orWhereRelation('debiture', DB::raw('LOWER(name)'), 'LIKE', '%' . strtolower($search) . '%');

                $q->orWhereRelation('branch', 'name', 'LIKE', '%' . $search . '%');
                $q->orWhereRelation('jenisFasilitasKredit', 'name', 'LIKE', '%' . $search . '%');
                $q->orWhereRelation('jenisPenilaian', 'name', 'LIKE', '%' . $search . '%');
                $q->orWhere('status', 'LIKE', '%' . $search . '%');
            });
        }

        // Default ordering
        $query->orderBy('nomor_registrasi', 'asc');

        return $query->get();
    }

    protected $rowNumber = 0;

    public function map($permohonan): array
    {
        $this->rowNumber++;
        $npw = 0;

        if (isset($permohonan->penilai->lpj)) {
            $lpj = json_decode($permohonan->penilai->lpj, true);
            $npw = str_replace('.', '', $lpj['total_nilai_pasar_wajar'] ?? 0);
        }

        return [
            $this->rowNumber,
            $permohonan->nomor_registrasi,
            $permohonan->debiture->branch->name ?? '',
            $permohonan->debiture->name ?? '',
            $permohonan->user->name ?? $permohonan->mig_nama_ao ?? '',
            $permohonan->tanggal_permohonan ?? '',
            $permohonan->penilaian->_user_penilai->userPenilaiTeam->name ?? '',
            $permohonan->penilaian && $permohonan->penilaian->tanggal_kunjungan
    ? formatTanggalIndonesia($permohonan->penilaian->tanggal_kunjungan)
    : '',
             formatRupiah($npw, 2),
        ];
    }

    public function headings(): array
    {
        return [
            'No',
            'Nomor Registrasi',
            'Cabang',
            'Nama Debitur',
            'Pemohon',
            'Tanggal Permohonan',
            'Nama Penilai',
            'Tanggal Laporan',
            'Nilai Pasar Wajar',

        ];
    }

    /**
     * @return string
     */
    public function title(): string
    {
        return 'Laporan User Limit';
    }

    /**
     * @return string
     */
    public function startCell(): string
    {
        return 'A7';
    }

    /**
     * @return array
     */
    public function registerEvents(): array
    {
        return [
            AfterSheet::class => function (AfterSheet $event) {
                // Get the sheet
                $sheet = $event->sheet->getDelegate();

                // Set the title
                $sheet->setCellValue('A1', 'LAPORAN PENILAIAN JAMINAN');
                $sheet->getStyle('A1')->getFont()->setBold(true)->setSize(16);

                // Merge cells for title
                $sheet->mergeCells('A1:AH1');
                $sheet->getStyle('A1')->getAlignment()->setHorizontal(\PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER);

                // Set the branch information if filtered
                $branchInfo = '';
                if ($this->request->has('branch_id') && !empty($this->request->branch_id)) {
                    $branch = Branch::find($this->request->branch_id);
                    if ($branch) {
                        $branchInfo = 'Cabang: ' . $branch->name;
                        $sheet->setCellValue('A2', $branchInfo);
                        $sheet->mergeCells('A2:AH2');
                        $sheet->getStyle('A2')->getAlignment()->setHorizontal(\PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER);
                        $sheet->getStyle('A2')->getFont()->setBold(true);
                    }
                }

                // Set the period
                $startDate = $this->request->start_date ?? '';
                $endDate = $this->request->end_date ?? '';

                $rowIndex = $branchInfo ? 3 : 2;

                if ($startDate && $endDate) {
                    $startDateFormatted = Carbon::parse($startDate)->format('d F Y');
                    $endDateFormatted = Carbon::parse($endDate)->format('d F Y');
                    $sheet->setCellValue('A' . $rowIndex, 'Periode: ' . $startDateFormatted . ' - ' . $endDateFormatted);
                } else {
                    $sheet->setCellValue('A' . $rowIndex, 'Periode: Semua Data');
                }
                $sheet->mergeCells('A' . $rowIndex . ':AH' . $rowIndex);
                $sheet->getStyle('A' . $rowIndex)->getAlignment()->setHorizontal(\PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER);

                // Set the date of export
                $rowIndex++;
                $sheet->setCellValue('A' . $rowIndex, 'Tanggal Export: ' . Carbon::now()->format('d F Y H:i:s'));

                // Set the user who exported
                $rowIndex++;
                $userName = Auth::user() ? Auth::user()->name : 'System';
                $sheet->setCellValue('A' . $rowIndex, 'Diexport oleh: ' . $userName);

                // Add a blank line
                $rowIndex++;
                $sheet->setCellValue('A' . $rowIndex, '');

                // Style the header row
                $headerRange = 'A7:' . $sheet->getHighestColumn() . '7';
                $sheet->getStyle($headerRange)->getFont()->setBold(true);
                $sheet->getStyle($headerRange)->getFill()
                      ->setFillType(\PhpOffice\PhpSpreadsheet\Style\Fill::FILL_SOLID)
                      ->getStartColor()->setARGB('FFCCCCCC');

                // Auto-size columns - fixed to handle columns beyond Z
                $highestColumn = $sheet->getHighestColumn();
                $highestColumnIndex = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::columnIndexFromString($highestColumn);

                for ($i = 1; $i <= $highestColumnIndex; $i++) {
                    $currentColumn = \PhpOffice\PhpSpreadsheet\Cell\Coordinate::stringFromColumnIndex($i);
                    $sheet->getColumnDimension($currentColumn)->setAutoSize(true);
                }

                // Add borders to all cells with data
                $dataRange = 'A7:' . $sheet->getHighestColumn() . $sheet->getHighestRow();
                $sheet->getStyle($dataRange)->getBorders()->getAllBorders()->setBorderStyle(\PhpOffice\PhpSpreadsheet\Style\Border::BORDER_THIN);

                // Center align the header row
                $sheet->getStyle($headerRange)->getAlignment()->setHorizontal(\PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER);

                // Set text wrap for header cells
                $sheet->getStyle($headerRange)->getAlignment()->setWrapText(true);
            },
        ];
    }
}