<?php

namespace App\Filament\Widgets;

use App\Models\Journalist;
use Carbon\Carbon;
use Filament\Widgets\ChartWidget;
use Illuminate\Support\Facades\DB;

class JournalistRegistrationChart extends ChartWidget
{
    use \Filament\Widgets\Concerns\InteractsWithPageFilters;

    protected ?string $heading = 'Tren Pertambahan Jurnalis';

    protected static ?int $sort = 8;

    protected int|string|array $columnSpan = 'full';

    protected function getData(): array
    {
        $startDate = $this->filters['startDate'] ?? null;
        $endDate = $this->filters['endDate'] ?? null;

        $data = Journalist::query()
            ->select(
                DB::raw('COUNT(*) as count'),
                DB::raw("DATE_FORMAT(created_at, '%Y-%m') as month")
            )
            ->when($startDate, fn ($q) => $q->whereDate('created_at', '>=', $startDate))
            ->when(! $startDate, fn ($q) => $q->where('created_at', '>=', now()->subMonths(6)))
            ->when($endDate, fn ($q) => $q->whereDate('created_at', '<=', $endDate))
            ->groupBy('month')
            ->orderBy('month')
            ->get();

        return [
            'datasets' => [
                [
                    'label' => 'Jurnalis Baru',
                    'data' => $data->pluck('count')->toArray(),
                    'fill' => 'start',
                    'borderColor' => '#6366F1',
                    'backgroundColor' => 'rgba(99, 102, 241, 0.1)',
                ],
            ],
            'labels' => $data->pluck('month')->map(fn ($m) => Carbon::createFromFormat('Y-m', $m)->translatedFormat('M Y'))->toArray(),
        ];
    }

    protected function getType(): string
    {
        return 'line';
    }
}