<?php

namespace App\Livewire\Dashboard;

use Livewire\Component;
use App\Models\Patient;
use App\Models\Registration;
use App\Models\Payment;
use Maatwebsite\Excel\Facades\Excel;
use App\Exports\ReportExport;
use Barryvdh\DomPDF\Facade\Pdf;
use Carbon\Carbon;

class ReportGenerator extends Component
{
    public $reportType = 'daily'; // daily, monthly, yearly
    public $startDate;
    public $endDate;
    public $reportData = [];
    public $generatedAt;

    public function generate()
    {
        if (!$this->startDate || !$this->endDate) {
            session()->flash('error', 'Silahkan pilih tanggal mulai dan tanggal akhir.');
            return;
        }

        // Query data
        $this->reportData = [
            'totalPatients' => Patient::whereBetween('created_at', [$this->startDate, $this->endDate])->count(),
            'totalRegistrations' => Registration::whereBetween('registration_date', [$this->startDate, $this->endDate])->count(),
            'totalIncome' => Payment::whereBetween('payment_date', [$this->startDate, $this->endDate])->sum('total_amount'),
        ];

        $this->generatedAt = now()->format('d-m-Y H:i:s');
    }

    public function exportExcel()
    {
        return Excel::download(new ReportExport($this->reportData), 'laporan.xlsx');
    }

    public function exportPDF()
    {
        $pdf = Pdf::loadView('exports.report-pdf', ['reportData' => $this->reportData]);
        return response()->streamDownload(fn () => print($pdf->output()), 'laporan.pdf');
    }

    public function render()
    {
        return view('livewire.dashboard.report-generator');
    }
}