<?php

declare(strict_types=1);

namespace App\Filament\Widgets;

use App\Models\Member;
use App\Models\Project;
use App\Models\RepositoryIssue;
use Carbon\Carbon;
use Filament\Widgets\ChartWidget;

class GrowthChart extends ChartWidget
{
    protected static ?int $sort = 3;

    public function getHeading(): string
    {
        return __('panel.widgets.growth_chart');
    }

    protected function getData(): array
    {
        $last30Days = collect(range(29, 0))->map(fn ($i) => Carbon::now()->subDays($i))->toArray();

        $projectsData = array_map(
            fn (Carbon $date) => Project::query()
                ->whereDate('created_at', '<=', $date)
                ->published()
                ->count(),
            $last30Days
        );

        $membersData = array_map(
            fn (Carbon $date) => Member::query()
                ->whereDate('created_at', '<=', $date)
                ->public()
                ->count(),
            $last30Days
        );

        $issuesData = array_map(
            fn (Carbon $date) => RepositoryIssue::query()
                ->whereDate('created_at', '<=', $date)
                ->where('is_good_first_issue', true)
                ->count(),
            $last30Days
        );

        return [
            'datasets' => [
                [
                    'label' => __('panel.widgets.growth.projects'),
                    'data' => $projectsData,
                    'borderColor' => '#3b82f6',
                    'backgroundColor' => 'rgba(59, 130, 246, 0.1)',
                    'tension' => 0.4,
                ],
                [
                    'label' => __('panel.widgets.growth.members'),
                    'data' => $membersData,
                    'borderColor' => '#10b981',
                    'backgroundColor' => 'rgba(16, 185, 129, 0.1)',
                    'tension' => 0.4,
                ],
                [
                    'label' => __('panel.widgets.growth.issues'),
                    'data' => $issuesData,
                    'borderColor' => '#f59e0b',
                    'backgroundColor' => 'rgba(245, 158, 11, 0.1)',
                    'tension' => 0.4,
                ],
            ],
            'labels' => array_map(fn (Carbon $date) => $date->format('M d'), $last30Days),
        ];
    }

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

    protected function getOptions(): array
    {
        return [
            'scales' => [
                'y' => [
                    'beginAtZero' => true,
                ],
            ],
            'plugins' => [
                'legend' => [
                    'display' => true,
                ],
            ],
        ];
    }

    public static function canView(): bool
    {
        return auth()->user()?->can('projects.view_any') ?? false;
    }
}