<?php

namespace App\Filament\Widgets;

use App\Filament\Widgets\Data\LoadEvents;
use App\Utilities\Round;
use Filament\Widgets\Concerns\InteractsWithPageFilters;
use Filament\Widgets\StatsOverviewWidget;
use Filament\Widgets\StatsOverviewWidget\Stat;

class StatsMedianAverage extends StatsOverviewWidget
{
    use InteractsWithPageFilters;

    protected ?string $pollingInterval = null;

    public function getColumns(): int|array
    {
        return [
            'md' => 3,
            'xl' => 6,
        ];
    }

    protected function getStats(): array
    {
        $filters = $this->filters;

        $data = LoadEvents::load($filters);

        if (! isset($data['datasets'][0])) {
            return [];
        }

        $arr = $data['datasets'][0]['data'];
        $total = count($arr);
        $summe = array_sum($arr);

        if (! $total) {
            return [];
        }

        sort($arr);

        if ($total % 2 == 0) {
            // even
            $m = $total / 2;
            $m1 = floor($m);
            $m2 = ceil($m);
            $median = round(($arr[$m1] + $arr[$m2]) / 2, 2);

        } else {
            // odd
            $m = floor($total / 2);
            $median = $arr[$m];
        }

        return [
            Stat::make('Number of events', $total),
            Stat::make('Average', round($summe / $total, 1)),
            Stat::make('Median', $median),
            Stat::make('Win', $data['results']['w'])->description(Round::odd($total / $data['results']['w'])),
            Stat::make('Draw', $data['results']['d'])->description(Round::odd($total / $data['results']['d'])),
            Stat::make('Lost', $data['results']['l'])->description(Round::odd($total / $data['results']['l'])),
        ];
    }
}