<?php

namespace App\Services\Frontdesk;

use App\Models\AuditLog;
use App\Models\Organization;
use App\Models\Visitor;
use App\Models\WatchlistEntry;
use Symfony\Component\HttpKernel\Exception\HttpException;

class WatchlistService
{
    public function __construct(
        protected NotificationDispatcher $notifications,
    ) {}

    public function assertCanCheckIn(Visitor $visitor, ?Organization $organization = null, ?string $actorRef = null): void
    {
        if ($visitor->isBlacklisted()) {
            if ($organization) {
                $this->recordBlockedAttempt($visitor, $organization, $actorRef);
            }

            throw new HttpException(403, 'This visitor is blacklisted and cannot check in.');
        }
    }

    public function visitorNeedsApprovalQueue(Visitor $visitor): bool
    {
        return $visitor->requiresApproval();
    }

    /** @param  array<string, mixed>  $context */
    public function recordBlockedAttempt(
        Visitor $visitor,
        Organization $organization,
        ?string $actorRef = null,
        array $context = [],
    ): void {
        AuditLog::record(
            $organization->owner_ref,
            'watchlist.blocked_attempt',
            $organization->id,
            $actorRef,
            Visitor::class,
            $visitor->id,
            array_merge([
                'visitor' => $visitor->full_name,
                'watchlist_status' => $visitor->watchlist_status,
            ], $context),
        );

        $this->notifications->watchlistBlockedAttempt($visitor, $organization);
    }

    /** @param  array<string, mixed>  $context */
    public function recordFlaggedCheckIn(
        Visitor $visitor,
        Organization $organization,
        ?string $actorRef = null,
        array $context = [],
    ): void {
        AuditLog::record(
            $organization->owner_ref,
            'watchlist.flagged_checkin',
            $organization->id,
            $actorRef,
            Visitor::class,
            $visitor->id,
            array_merge([
                'visitor' => $visitor->full_name,
                'watchlist_status' => $visitor->watchlist_status,
            ], $context),
        );

        $this->notifications->watchlistFlaggedCheckIn($visitor, $organization);
    }

    public function syncEntryForVisitor(Visitor $visitor, string $status, ?string $reason, ?string $actorRef): WatchlistEntry
    {
        $entry = WatchlistEntry::query()
            ->where('owner_ref', $visitor->owner_ref)
            ->where('organization_id', $visitor->organization_id)
            ->where('visitor_id', $visitor->id)
            ->first();

        if ($status === Visitor::WATCHLIST_ALLOWED) {
            $entry?->delete();

            return $entry ?? new WatchlistEntry;
        }

        return WatchlistEntry::updateOrCreate(
            [
                'owner_ref' => $visitor->owner_ref,
                'organization_id' => $visitor->organization_id,
                'visitor_id' => $visitor->id,
            ],
            [
                'full_name' => $visitor->full_name,
                'company' => $visitor->company,
                'status' => $status,
                'reason' => $reason,
                'created_by' => $actorRef,
            ],
        );
    }

    public function applyApprovalMetadata(array $data, Visitor $visitor): array
    {
        if (! $this->visitorNeedsApprovalQueue($visitor)) {
            return $data;
        }

        $key = isset($data['delivery_details']) ? 'delivery_details' : 'contractor_details';
        $details = $data[$key] ?? [];
        $details['_awaiting_approval'] = true;
        $details['_watchlist_flagged'] = true;
        $data[$key] = $details;

        return $data;
    }
}