mivita/app/Services/Team/TopResultsService.php

<?php

namespace App\Services\Team;

use App\Models\UserAbo;
use App\Services\Abo\PaylineForecastService;
use App\Services\Backoffice\BackofficeDashboardService;
use App\Services\Backoffice\SalesVolumePoints;
use App\User;
use Carbon\Carbon;
use Illuminate\Support\Facades\Cache;

/**
 * "Die besten Ergebnisse des Monats" (N6): drei teaminterne Top-3-Ranglisten
 * für das Home-Dashboard — persönliches Volumen, Neupartner, neue Abos.
 *
 * Basis ist die Downline des Betrachters ({@see BackofficeDashboardService::activeTeamUserIds()})
 * inklusive des Betrachters selbst. Ergebnis wird 6 h gecacht
 * (Muster payline_context_*, {@see PaylineForecastService}); die Profilfotos
 * kommen bewusst erst beim Lesen dazu ({@see withProfileImages()}).
 */
class TopResultsService
{
    /**
     * Sichtbarkeits-Scope der Ranglisten. 'team' = Downline des Betrachters
     * (Kundenentscheid 2026-08, teamintern). 'company' (firmenweit, EIN Ranking
     * für alle) ist als spätere Option vorgesehen — dafür nur
     * {@see scopedUserIds()} erweitern, die Ranglisten-Logik bleibt gleich.
     */
    public const SCOPE = 'team';

    private const CACHE_HOURS = 6;

    private const TOP_LIMIT = 3;

    public function __construct(private BackofficeDashboardService $dashboardService) {}

    /**
     * @return array{
     *     top_volume: array<int, array{user_id: int, first_name: string, last_name: string, is_self: bool, profile_image_url: string|null, value: float|int}>,
     *     top_recruiters: array<int, array{user_id: int, first_name: string, last_name: string, is_self: bool, profile_image_url: string|null, value: float|int}>,
     *     top_new_abos: array<int, array{user_id: int, first_name: string, last_name: string, is_self: bool, profile_image_url: string|null, value: float|int}>
     * }
     */
    public function monthlyTop3(User $user, int $month, int $year): array
    {
        $cacheKey = "top_results_{$user->id}_{$month}_{$year}";
        $cached = Cache::get($cacheKey);
        if (is_array($cached)) {
            return $this->withProfileImages($cached);
        }

        $teamUserIds = $this->scopedUserIds($user);
        $viewerId = (int) $user->id;

        $result = [
            'top_volume' => $this->rankRows($this->volumeByUserId($teamUserIds, $month, $year), $viewerId),
            'top_recruiters' => $this->rankRows($this->newPartnerCountBySponsorId($teamUserIds, $month, $year), $viewerId),
            'top_new_abos' => $this->rankRows($this->newAboCountByUserId($teamUserIds, $month, $year), $viewerId),
        ];

        Cache::put($cacheKey, $result, now()->addHours(self::CACHE_HOURS));

        return $this->withProfileImages($result);
    }

    /**
     * Team-Ermittlung gekapselt für den Scope-Schalter {@see self::SCOPE}.
     *
     * Der Betrachter zählt mit (Kundenwunsch aus der Juli-Runde: „ich" gehört in
     * die Ranglisten) — konsistent zu den Kundenabo-Ranglisten der VIP-Statistik.
     *
     * @return int[]
     */
    private function scopedUserIds(User $viewer): array
    {
        return array_values(array_unique(array_merge(
            [(int) $viewer->id],
            $this->dashboardService->activeTeamUserIds($viewer->id)
        )));
    }

    /**
     * Profilfoto-URLs erst beim Lesen ergänzen, nicht mitcachen: der Dateiname
     * ändert sich bei jedem Upload, eine gecachte URL zeigte sonst bis zu 6 h
     * lang ein totes Bild.
     *
     * @param  array<string, array<int, array<string, mixed>>>  $result
     * @return array<string, array<int, array<string, mixed>>>
     */
    private function withProfileImages(array $result): array
    {
        $userIds = collect($result)->flatten(1)->pluck('user_id')->unique()->values()->all();

        if ($userIds === []) {
            return $result;
        }

        // Das Konto haengt ueber users.account_id (belongsTo), nicht ueber eine
        // user_id-Spalte an user_accounts — deshalb ueber die User laden.
        $imageUrls = User::query()
            ->with('account')
            ->whereIn('id', $userIds)
            ->get()
            ->mapWithKeys(fn (User $member) => [(int) $member->id => $member->account?->getProfileImageUrl()]);

        foreach ($result as $key => $rows) {
            foreach ($rows as $index => $row) {
                $result[$key][$index]['profile_image_url'] = $imageUrls->get((int) $row['user_id']);
            }
        }

        return $result;
    }

    /**
     * Persönliches Monatsvolumen (Gesamtpunkte = eigene + Kundenpunkte) je
     * Berater — eine gebatchte Query über user_sales_volumes.
     *
     * @param  int[]  $teamUserIds
     * @return array<int, float> user_id => Punkte (> 0)
     */
    private function volumeByUserId(array $teamUserIds, int $month, int $year): array
    {
        if ($teamUserIds === []) {
            return [];
        }

        return SalesVolumePoints::totalPointsByUser($teamUserIds, $month, $year)
            ->filter(fn (float $points) => $points > 0)
            ->map(fn (float $points) => round($points, 2))
            ->all();
    }

    /**
     * Direkt gesponserte Neupartner im Monat je Sponsor — Definition identisch
     * zu {@see BackofficeDashboardService::newPartnersCount()} (m_level gesetzt,
     * aktives Abrechnungskonto, active_date im Monat), Zuordnung über
     * users.m_sponsor; nur Sponsoren aus dem Team.
     *
     * @param  int[]  $teamUserIds
     * @return array<int, int> sponsor_user_id => Anzahl
     */
    private function newPartnerCountBySponsorId(array $teamUserIds, int $month, int $year): array
    {
        if ($teamUserIds === []) {
            return [];
        }

        return User::query()
            ->firstlinesOf($teamUserIds)
            ->newPartnerIn($month, $year)
            ->groupBy('m_sponsor')
            ->selectRaw('m_sponsor, COUNT(*) as value')
            ->pluck('value', 'm_sponsor')
            ->map(fn ($value) => (int) $value)
            ->all();
    }

    /**
     * Neue aktive Abos im Monat je Berater: neue Kundenabos (member_id, is_for
     * 'ot') plus neues Eigenabo (user_id, is_for 'me') — Kundenentscheid N6/F7b.
     * Zählweise wie {@see BackofficeDashboardService::newAboCount()}.
     *
     * @param  int[]  $teamUserIds
     * @return array<int, int> user_id => Anzahl
     */
    private function newAboCountByUserId(array $teamUserIds, int $month, int $year): array
    {
        if ($teamUserIds === []) {
            return [];
        }

        $startDate = Carbon::create($year, $month, 1)->startOfMonth();
        $endDate = Carbon::create($year, $month, 1)->endOfMonth();

        $newAboQuery = fn (string $userColumn, string $isFor) => UserAbo::query()
            ->activeAbo()
            ->whereBetween('start_date', [$startDate, $endDate])
            ->whereIn($userColumn, $teamUserIds)
            ->where('is_for', $isFor)
            ->groupBy($userColumn)
            ->selectRaw($userColumn.' as uid, COUNT(*) as value')
            ->pluck('value', 'uid');

        $counts = [];
        foreach ($newAboQuery('member_id', 'ot') as $userId => $value) {
            $counts[(int) $userId] = ($counts[(int) $userId] ?? 0) + (int) $value;
        }
        foreach ($newAboQuery('user_id', 'me') as $userId => $value) {
            $counts[(int) $userId] = ($counts[(int) $userId] ?? 0) + (int) $value;
        }

        return $counts;
    }

    /**
     * Baut aus user_id=>Wert die Top-3-Zeilen (Foto/Name), sortiert nach Wert
     * absteigend, bei Gleichstand nach Name. Es werden nur die Kandidaten
     * hydriert, die die Top 3 noch erreichen können.
     *
     * @param  array<int, float|int>  $valuesByUserId
     * @return array<int, array{user_id: int, first_name: string, last_name: string, is_self: bool, value: float|int}>
     */
    private function rankRows(array $valuesByUserId, int $viewerId): array
    {
        $valuesByUserId = array_filter($valuesByUserId, fn ($value) => $value > 0);
        if ($valuesByUserId === []) {
            return [];
        }

        arsort($valuesByUserId);

        // Kandidaten in Wert-Reihenfolge hydrieren — Zeilen ohne Account werden
        // übersprungen und von Nachrückern aufgefüllt; der Puffer begrenzt die
        // Hydrierung bei großen Teams.
        $valuesByUserId = array_slice($valuesByUserId, 0, self::TOP_LIMIT + 22, true);
        $users = User::query()
            ->with('account')
            ->whereIn('id', array_keys($valuesByUserId))
            ->get()
            ->keyBy('id');

        $rows = [];
        foreach ($valuesByUserId as $userId => $value) {
            $user = $users->get($userId);
            if (! $user || ! $user->account) {
                continue;
            }

            $rows[] = [
                'user_id' => (int) $userId,
                'first_name' => (string) $user->account->first_name,
                'last_name' => (string) $user->account->last_name,
                'is_self' => (int) $userId === $viewerId,
                'value' => $value,
            ];
        }

        usort($rows, fn (array $a, array $b) => [$b['value'], $a['first_name'], $a['last_name']]
            <=> [$a['value'], $b['first_name'], $b['last_name']]);

        return array_slice($rows, 0, self::TOP_LIMIT);
    }
}