<?php

namespace App\Http\Controllers;

use App\Models\Survey;
use Carbon\Carbon;
use Illuminate\Http\Request;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Arr;
use PhpOffice\PhpSpreadsheet\Spreadsheet;
use PhpOffice\PhpSpreadsheet\Writer\Xlsx;

class SurveyController extends Controller
{
    public function index(Request $request){
        if(!session()->has('payment_success')){
            return redirect('/');
        }
        $no_order = $request->query('no_order');
        $type = $request->query('type');
        $data = [
            'title' => 'Survey Gizi',
            'mcu' => false,
            'no_order' => $no_order,
            'type' => $type
        ];
        return view('guest.survey.index', $data);
    }

    public function store(){
        DB::connection('dbOrderGizi')->beginTransaction();
        try {
            $payload =[
                'no_order' => request('no_order'),
                'type' => request('type'),
                'keterangan' => request('kritik_saran'),
                'kepuasan' => request('kepuasan'),
                'created_at' => now()
            ];
            Survey::create($payload);
            DB::connection('dbOrderGizi')->commit();
            session()->flash('payment_success', true);
            session()->flash('no_order', $payload['no_order']);
            return response()->json([
                'status' => true,
                'message' => 'Survei berhasil disimpan'
            ]);
        } catch (\Throwable $th) {
            DB::connection('dbOrderGizi')->rollBack();
            return response()->json([
                'status' => false,
                'message' => 'Data gagal disimpan ' . $th->getMessage()
            ]);
        }

    }

    public function datatable(){
        $data = Survey::query();
        $tanggal = request('tanggal');
        if(!empty($tanggal)){
            $flattened  = is_array($tanggal[0]) ? Arr::flatten($tanggal) : $tanggal;
            $data->whereIn(DB::raw('DATE(created_at)'), $flattened);
        }else{
            $now = Carbon::now()->format('Y-m-d');
            $data->whereDate('created_at', $now);
        }
        $data = $data->get();
        return response()->json([
            'rows' => $data->values(),
            'total' => $data->count(),
        ]);
    }

    public function chartDataSurvey(Request $request)
    {
        $tanggal = $request->query('tanggal');
        if(is_string($tanggal)) $tanggal = json_decode($tanggal, true);

        $query = Survey::query();
        if (!empty($tanggal) && is_array($tanggal)) {
            $query->whereIn(DB::raw('DATE(created_at)'), $tanggal);
        } else {
            $query->whereDate('created_at', Carbon::today());
        }

        $allData = $query->get();

        // Pisahkan data untuk perhitungan Card
        $dataBaru = $allData->where('type', 'pengguna_baru');
        $dataLama = $allData->where('type', 'pelanggan_setia');

        return response()->json([
            'responden' => [
                'baru' => $dataBaru->count(),
                'lama' => $dataLama->count(),
            ],
            'kepuasan_baru' => [
                'total' => $dataBaru->count(),
                'puas' => $dataBaru->where('kepuasan', 'Puas')->count(),
                'tidak_puas' => $dataBaru->where('kepuasan', 'Tidak Puas')->count(),
            ],
            'kepuasan_lama' => [
                'total' => $dataLama->count(),
                'puas' => $dataLama->where('kepuasan', 'Puas')->count(),
                'tidak_puas' => $dataLama->where('kepuasan', 'Tidak Puas')->count(),
            ]
        ]);
    }


    public function dashboardSurvey(){
        $data = [
            'title' => 'List Survey Order Gizi'
        ];
        return view('dashboard.survey.index', $data);
    }

    public function exportSurveyExcel(){
        $startDate = Carbon::parse(request('start_date'))->startOfDay();
        $endDate = Carbon::parse(request('end_date'))->endOfDay();
        $data = Survey::whereBetween('created_at', [$startDate, $endDate])->get();
        $waktu_cetak = Carbon::now()->locale('id')->translatedFormat('d F Y');
        $spreadsheet = new Spreadsheet();
        $sheet = $spreadsheet->getActiveSheet();
        $sheet->setCellValue('A1', "Laporan Survei dari {$startDate->format('Y-m-d')} sampai {$endDate->format('Y-m-d')}");
        $sheet->mergeCells('A1:E1');
        $sheet->getStyle('A1')->getFont()->setBold(true)->setSize(14);
        $sheet->getStyle('A1')->getAlignment()->setHorizontal('center');

        $sheet->setCellValue('A2', "Waktu Cetak: {$waktu_cetak}");
        $sheet->mergeCells('A2:E2');
        $sheet->getStyle('A2')->getAlignment()->setHorizontal('center');

        // Header tabel
        $headers = ["No", "Nama", "Tipe Survei", "Kepuasan", "Kritik dan Saran"];
        $sheet->fromArray($headers, null, 'A4');
        $sheet->getStyle('A4:E4')->applyFromArray([
            'font'      => ['bold' => true],
            'alignment' => ['horizontal' => \PhpOffice\PhpSpreadsheet\Style\Alignment::HORIZONTAL_CENTER],
            'borders'   => [
                'allBorders' => [
                    'borderStyle' => \PhpOffice\PhpSpreadsheet\Style\Border::BORDER_THIN
                ]
            ]
        ]);
        $sheet->getStyle('A4:E4')->getFont()->setBold(true);
        $sheet->getStyle('A4:E4')->getAlignment()->setHorizontal('center');
        $sheet->getStyle('A4:E4')->getBorders()->getAllBorders()->setBorderStyle(\PhpOffice\PhpSpreadsheet\Style\Border::BORDER_THIN);
        // Isi data
        $row = 5;
        foreach ($data as $index => $item) {
                $sheet->setCellValue("A{$row}", $index + 1);
                $sheet->setCellValue("B{$row}", $item->order->nama_pemesan);
                $sheet->setCellValue("C{$row}", $item->type === "pelanggan_setia" ? "Pelanggan Setia" : "Pengguna Baru");
                $sheet->setCellValue("D{$row}", $item->kepuasan);
                $sheet->setCellValue("E{$row}", $item->keterangan);
            $row++;
        }
        // Auto size kolom
        foreach(range('A', 'E') as $col){
            $sheet->getColumnDimension($col)->setAutoSize(true);
        }
        $lastRow = $row - 1;
        $sheet->setAutoFilter("A4:E{$lastRow}");
        // Download file
        $fileName = "Laporan Survei {$startDate->format('Y-m-d')} sampai {$endDate->format('Y-m-d')} ". '.xlsx';
        $writer = new Xlsx($spreadsheet);

        // Output ke browser
        header('Content-Type: application/vnd.openxmlformats-officedocument.spreadsheetml.sheet');
        header("Content-Disposition: attachment; filename=\"{$fileName}\"");
        header('Cache-Control: max-age=0');

        $writer->save('php://output');
        exit;
    }
}