<?php

namespace App\Filament\Resources\DashboardResource\Widgets;

use App\Models\User\UserOrder;
use Filament\Widgets\ChartWidget;
use Illuminate\Contracts\Support\Htmlable;
use Illuminate\Support\Facades\DB;

class OrdersAggregateChart extends ChartWidget
{
    #[\Override]
    protected ?string $maxHeight = '300px';

    #[\Override]
    protected string $color = 'secondary';

    #[\Override]
    public function getHeading(): string|Htmlable|null
    {
        return __('filament::resources.stats.orders_chart.title');
    }

    #[\Override]
    public function getDescription(): string|Htmlable|null
    {
        return __('filament::resources.stats.orders_chart.description');
    }

    private function getTrendData($query): array
    {
        return $query->whereBetween('created_at', [now()->startOfMonth(), now()->endOfMonth()])
            ->selectRaw('DATE(created_at) as date, COUNT(*) as aggregate')
            ->groupBy(DB::raw('DATE(created_at)'))
            ->orderBy('date')
            ->pluck('aggregate', 'date')
            ->toArray();
    }

    #[\Override]
    protected function getData(): array
    {
        $pendingData = $this->getTrendData(UserOrder::pending());
        $cancelledData = $this->getTrendData(UserOrder::cancelled());
        $completedData = $this->getTrendData(UserOrder::completed());

        $allDates = collect(array_keys(array_merge($pendingData, $cancelledData, $completedData)))
            ->unique()
            ->sort()
            ->values();

        $datasets = [
            $this->getDataset($pendingData, $allDates, __('filament::resources.stats.orders_chart.pending'), '#fbbf24', '#f59e0b'),
            $this->getDataset($cancelledData, $allDates, __('filament::resources.stats.orders_chart.cancelled'), '#dc2626', '#b91c1c'),
            $this->getDataset($completedData, $allDates, __('filament::resources.stats.orders_chart.completed'), '#10b981', '#059669'),
        ];

        return [
            'datasets' => $datasets,
            'labels' => $allDates,
        ];
    }

    private function getDataset(array $data, $allDates, string $label, string $backgroundColor, string $borderColor): array
    {
        return [
            'label' => $label,
            'data' => $allDates->map(fn ($date) => $data[$date] ?? 0),
            'backgroundColor' => $backgroundColor,
            'borderColor' => $borderColor,
        ];
    }

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