<?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;

    class LaporanHasilPenilaianJaminanInternalExternalExport 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')) {
                $query->whereBetween('tanggal_permohonan', [
                    $this->request->start_date ?? '1900-01-01',
                    $this->request->end_date ?? now()->toDateString()
                ]);
            }

            // 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('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++;
            $luas_tanah = 0;
            $luas_bangunan = 0;
            $nilai_tanah = 0;
            $nilai_bangunan = 0;
            $npw = 0;
            $nilai_liquidasi = 0;

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

                $luas_tanah = $lpj['luas_tanah'] ?? 0;
                $luas_bangunan = $lpj['luas_bangunan'] ?? 0;
                $nilai_tanah = str_replace('.', '', $lpj['nilai_tanah_2'] ?? 0);
                $nilai_bangunan = str_replace('.', '', $lpj['nilai_bangunan_2'] ?? 0);
                $nilai_liquidasi = str_replace('.', '', $lpj['likuidasi_nilai_2'] ?? 0);
            }

            return [
                $this->rowNumber,
                $permohonan->nomor_registrasi,
                $permohonan->tanggal_permohonan ?? '',
                $permohonan->debiture->branch->name ?? '',
                $permohonan->creator->name ?? '',
                $permohonan->debiture->cif ?? '',
                $permohonan->debiture->name ?? '',
                $permohonan->jenisPenilaian->name ?? '',
                $permohonan->tujuanPenilaian->name,
                $permohonan->jenisFasilitasKredit->name,
                $permohonan->documents->pluck('jenisJaminan.name')->unique()->implode(', '),
                $permohonan->documents->map(function ($document) {
                    return formatAlamat($document);
                })->unique()->implode(', '),
                $permohonan->documents->flatMap(function ($document) {
                    return $document->detail->map(function ($detail) {
                        return (!empty($detail->dokumen_nomor) && is_array($detail->dokumen_nomor))
                            ? ($detail->jenisLegalitasJaminan->name ?? '') . "\n" . implode(', ', $detail->dokumen_nomor)
                            : null;
                    });
                })->filter()->unique()->implode(', '),
                $permohonan->documents->pluck('pemilik.name')->unique()->implode(', '),
                $luas_tanah . ' m²',
                formatRupiah($nilai_tanah, 2),
                $luas_bangunan . ' m²',
                formatRupiah($nilai_bangunan, 2),
                formatRupiah($permohonan->nilai_njop ?? 0, 2),
                formatRupiah($npw, 2),
                formatRupiah($nilai_liquidasi, 2),
                $permohonan->documents->map(function ($document) {
                    return formatTanggalIndonesia($document->created_at);
                })->first(),
                '', // tanggal_spk
                '', // nomor_spk
                '', // tanggal_rencana_kunjungan
                $permohonan->penilaian->tanggal_kunjungan ? formatTanggalIndonesia($permohonan->penilaian->tanggal_kunjungan) : '',
                '', // tanggal_delivered
                '', // jangka_waktu_sla
                ($permohonan->approval_dd_at || $permohonan->approval_eo_at) ?
                    formatTanggalIndonesia($permohonan->approval_dd_at ?? $permohonan->approval_eo_at) : '',
                $permohonan->penilaian->tanggal_kunjungan ? formatTanggalIndonesia($permohonan->penilaian->tanggal_kunjungan) : '',
                $permohonan->penilaian->_user_penilai->userPenilaiTeam->name ?? '',
                $permohonan->penilaian->teams ?? '',
                '', // saran
                ''  // catatan
            ];
        }

        public function headings(): array
        {
            return [
                'No',
                'Nomor Registrasi',
                'Tanggal Permohonan',
                'Cabang',
                'Pemohon',
                'CIF',
                'Nama Debitur',
                'Jenis Penilaian',
                'Tujuan Penilaian',
                'Jenis Fasilitas Kredit',
                'Jenis Agunan',
                'Alamat Agunan',
                'Bukti Kepemilikan',
                'Nama Pemilik',
                'Luas Tanah',
                'Nilai Tanah',
                'Luas Bangunan',
                'Nilai Bangunan',
                'Nilai NJOP',
                'Nilai Pasar Wajar',
                'Nilai Likuidasi',
                'Tanggal Dokumen Diterima',
                'Tanggal SPK',
                'Nomor SPK',
                'Tanggal Rencana Kunjungan',
                'Tanggal Kunjungan',
                'Tanggal Delivered',
                'Jangka Waktu SLA',
                'Tanggal Laporan',
                'Tanggal Review',
                'Nama Penilai',
                'Nama Team Leader',
                'Saran',
                'Catatan'
            ];
        }

        /**
         * @return string
         */
        public function title(): string
        {
            return 'Laporan Hasil Penilaian Jaminan Internal & External';
        }

        /**
         * @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);
                },
            ];
        }
    }