<?php

declare(strict_types=1);

namespace App\Filament\Widgets\Dashboard;

use App\Models\Finding;
use App\Models\Tenant;
use App\Support\Baselines\BaselineCompareStats;
use App\Support\OpsUx\ActiveRuns;
use Filament\Facades\Filament;
use Filament\Widgets\Widget;

class NeedsAttention extends Widget
{
    protected string $view = 'filament.widgets.dashboard.needs-attention';

    /**
     * @return array<string, mixed>
     */
    protected function getViewData(): array
    {
        $tenant = Filament::getTenant();

        if (! $tenant instanceof Tenant) {
            return [
                'pollingInterval' => null,
                'items' => [],
                'healthyChecks' => [],
            ];
        }

        $tenantId = (int) $tenant->getKey();
        $compareStats = BaselineCompareStats::forTenant($tenant);
        $compareAssessment = $compareStats->summaryAssessment();

        $items = [];

        $overdueOpenCount = (int) Finding::query()
            ->where('tenant_id', $tenantId)
            ->whereIn('status', Finding::openStatusesForQuery())
            ->whereNotNull('due_at')
            ->where('due_at', '<', now())
            ->count();

        $lapsedGovernanceCount = (int) Finding::query()
            ->where('tenant_id', $tenantId)
            ->where('status', Finding::STATUS_RISK_ACCEPTED)
            ->where(function ($query): void {
                $query
                    ->whereDoesntHave('findingException')
                    ->orWhereHas('findingException', function ($exceptionQuery): void {
                        $exceptionQuery->whereIn('current_validity_state', [
                            \App\Models\FindingException::VALIDITY_EXPIRED,
                            \App\Models\FindingException::VALIDITY_REVOKED,
                            \App\Models\FindingException::VALIDITY_REJECTED,
                            \App\Models\FindingException::VALIDITY_MISSING_SUPPORT,
                        ]);
                    });
            })
            ->count();

        $expiringGovernanceCount = (int) Finding::query()
            ->where('tenant_id', $tenantId)
            ->where('status', Finding::STATUS_RISK_ACCEPTED)
            ->whereHas('findingException', function ($query): void {
                $query->where('current_validity_state', \App\Models\FindingException::VALIDITY_EXPIRING);
            })
            ->count();

        $highSeverityCount = (int) Finding::query()
            ->where('tenant_id', $tenantId)
            ->whereIn('status', Finding::openStatusesForQuery())
            ->whereIn('severity', [
                Finding::SEVERITY_HIGH,
                Finding::SEVERITY_CRITICAL,
            ])
            ->count();

        if ($lapsedGovernanceCount > 0) {
            $items[] = [
                'title' => 'Lapsed accepted-risk governance',
                'body' => "{$lapsedGovernanceCount} finding(s) need governance follow-up before accepted risk is safe to rely on.",
                'badge' => 'Governance',
                'badgeColor' => 'danger',
            ];
        }

        if ($overdueOpenCount > 0) {
            $items[] = [
                'title' => 'Overdue findings',
                'body' => "{$overdueOpenCount} open finding(s) are overdue and still need workflow follow-up.",
                'badge' => 'Findings',
                'badgeColor' => 'danger',
            ];
        }

        if ($expiringGovernanceCount > 0) {
            $items[] = [
                'title' => 'Expiring accepted-risk governance',
                'body' => "{$expiringGovernanceCount} finding(s) will need governance review soon.",
                'badge' => 'Governance',
                'badgeColor' => 'warning',
            ];
        }

        if ($highSeverityCount > 0) {
            $items[] = [
                'title' => 'High severity active findings',
                'body' => "{$highSeverityCount} active finding(s) need review.",
                'badge' => 'Drift',
                'badgeColor' => 'danger',
            ];
        }

        if ($compareAssessment->stateFamily !== 'positive') {
            $items[] = [
                'title' => 'Baseline compare posture',
                'body' => $compareAssessment->headline,
                'supportingMessage' => $compareAssessment->supportingMessage,
                'badge' => 'Baseline',
                'badgeColor' => $compareAssessment->tone,
                'nextStep' => $compareAssessment->nextActionLabel(),
            ];
        }

        $activeRuns = ActiveRuns::existForTenant($tenant)
            ? (int) \App\Models\OperationRun::query()->where('tenant_id', $tenantId)->active()->count()
            : 0;

        if ($activeRuns > 0) {
            $items[] = [
                'title' => 'Operations in progress',
                'body' => "{$activeRuns} run(s) are active.",
                'badge' => 'Operations',
                'badgeColor' => 'warning',
            ];
        }

        $items = array_slice($items, 0, 5);

        $healthyChecks = [];

        if ($items === []) {
            $healthyChecks = [
                [
                    'title' => 'Baseline compare looks trustworthy',
                    'body' => $compareAssessment->headline,
                ],
                [
                    'title' => 'No overdue findings',
                    'body' => 'No open findings are currently overdue for this tenant.',
                ],
                [
                    'title' => 'Accepted-risk governance is healthy',
                    'body' => 'No accepted-risk findings currently need governance follow-up.',
                ],
                [
                    'title' => 'No high severity active findings',
                    'body' => 'No high severity findings are currently open for this tenant.',
                ],
                [
                    'title' => 'No active operations',
                    'body' => 'Nothing is currently running for this tenant.',
                ],
            ];
        }

        return [
            'pollingInterval' => ActiveRuns::existForTenant($tenant) ? '10s' : null,
            'items' => $items,
            'healthyChecks' => $healthyChecks,
        ];
    }
}