<?php

declare(strict_types=1);

namespace App\Filament\Widgets\Dashboard;

use App\Filament\Resources\FindingResource;
use App\Models\Finding;
use App\Models\OperationRun;
use App\Models\Tenant;
use App\Support\OpsUx\ActiveRuns;
use Filament\Facades\Filament;
use Filament\Widgets\StatsOverviewWidget;
use Filament\Widgets\StatsOverviewWidget\Stat;

class DashboardKpis extends StatsOverviewWidget
{
    protected int|string|array $columnSpan = 'full';

    protected function getPollingInterval(): ?string
    {
        $tenant = Filament::getTenant();

        if (! $tenant instanceof Tenant) {
            return null;
        }

        return ActiveRuns::existForTenant($tenant) ? '10s' : null;
    }

    /**
     * @return array<Stat>
     */
    protected function getStats(): array
    {
        $tenant = Filament::getTenant();

        if (! $tenant instanceof Tenant) {
            return [
                Stat::make('Open drift findings', 0),
                Stat::make('High severity drift', 0),
                Stat::make('Active operations', 0),
                Stat::make('Inventory active', 0),
            ];
        }

        $tenantId = (int) $tenant->getKey();

        $openDriftFindings = (int) Finding::query()
            ->where('tenant_id', $tenantId)
            ->where('finding_type', Finding::FINDING_TYPE_DRIFT)
            ->where('status', Finding::STATUS_NEW)
            ->count();

        $highSeverityDriftFindings = (int) Finding::query()
            ->where('tenant_id', $tenantId)
            ->where('finding_type', Finding::FINDING_TYPE_DRIFT)
            ->where('status', Finding::STATUS_NEW)
            ->where('severity', Finding::SEVERITY_HIGH)
            ->count();

        $activeRuns = (int) OperationRun::query()
            ->where('tenant_id', $tenantId)
            ->active()
            ->count();

        $inventoryActiveRuns = (int) OperationRun::query()
            ->where('tenant_id', $tenantId)
            ->where('type', 'inventory_sync')
            ->active()
            ->count();

        return [
            Stat::make('Open drift findings', $openDriftFindings)
                ->description('across all policy types')
                ->url(FindingResource::getUrl('index', tenant: $tenant)),
            Stat::make('High severity drift', $highSeverityDriftFindings)
                ->description('requiring immediate review')
                ->color($highSeverityDriftFindings > 0 ? 'danger' : 'gray')
                ->url(FindingResource::getUrl('index', tenant: $tenant)),
            Stat::make('Active operations', $activeRuns)
                ->description('backup, sync & compare runs')
                ->color($activeRuns > 0 ? 'warning' : 'gray')
                ->url(route('admin.operations.index')),
            Stat::make('Inventory syncs running', $inventoryActiveRuns)
                ->description('active inventory sync jobs')
                ->color($inventoryActiveRuns > 0 ? 'warning' : 'gray')
                ->url(route('admin.operations.index')),
        ];
    }
}
