<?php

use MintyPHP\Domain\Taxonomy\TenantStatus;
use MintyPHP\Service\Access\TenantAuthorizationPolicy;
use MintyPHP\Support\Guard;

Guard::requireLogin();
gridRequireGetRequest();

$decision = Guard::requireAbilityDecisionOrForbidden(TenantAuthorizationPolicy::ABILITY_ADMIN_TENANTS_VIEW);
$capabilities = $decision->attribute('capabilities', []);
$allowedTenantIds = is_array($capabilities) ? toIntIds($capabilities['allowed_tenant_ids'] ?? []) : [];
$isStrictScope = is_array($capabilities) ? (bool) ($capabilities['is_strict_scope'] ?? false) : false;
$hasGlobalAccess = is_array($capabilities) ? (bool) ($capabilities['has_global_access'] ?? false) : false;

$filters = gridParseFiltersFromSchemaFile(__DIR__ . '/filter-schema.php');

$order = $filters['order'];
$dir = $filters['dir'];
$computedOrderKeys = ['users'];
$userTenantRepository = app(\MintyPHP\Repository\Tenant\UserTenantRepository::class);
$settingsDefaultsGateway = app(\MintyPHP\Service\Settings\SettingsDefaultsGateway::class);

$gridUserCountEnricher = app(\MintyPHP\Service\Data\GridUserCountEnricher::class);
$fetchRows = static function (array $tenantRows) use ($userTenantRepository, $settingsDefaultsGateway, $gridUserCountEnricher): array {
    $userCounts = $gridUserCountEnricher->computeCounts(
        $tenantRows,
        $userTenantRepository->countUsersByTenantIds(...),
        $userTenantRepository->countActiveUsersByTenantIds(...)
    );
    $defaultTenantId = $settingsDefaultsGateway->getDefaultTenantId();
    $rows = [];

    foreach ($tenantRows as $row) {
        $tenantId = (int) ($row['id'] ?? 0);
        $counts = $userCounts[$tenantId] ?? ['active_users' => 0, 'inactive_users' => 0];
        $tenantStatus = TenantStatus::normalizeOr((string) ($row['status'] ?? ''), TenantStatus::Active);
        $tenantUuid = (string) ($row['uuid'] ?? '');

        $rows[] = [
            'id' => $row['id'] ?? null,
            'uuid' => $tenantUuid,
            'is_default' => $tenantId > 0 && $defaultTenantId === $tenantId,
            'description' => $row['description'] ?? '',
            'status' => $tenantStatus->value,
            'status_badge' => $tenantStatus->badgeVariant(),
            'status_label' => t($tenantStatus->labelToken()),
            'total_users' => $counts['active_users'] + $counts['inactive_users'],
        ];
    }

    return $rows;
};

$listOptions = [
    'limit' => $filters['limit'],
    'offset' => $filters['offset'],
    'search' => $filters['search'],
    'status' => $filters['status'],
    'order' => in_array($order, $computedOrderKeys, true) ? 'description' : $order,
    'dir' => $dir,
];
if (!$hasGlobalAccess) {
    if ($allowedTenantIds) {
        $listOptions['tenantIds'] = $allowedTenantIds;
    } elseif ($isStrictScope) {
        $listOptions['tenantIds'] = [];
    }
}

$result = app(\MintyPHP\Service\Tenant\TenantService::class)->listPaged($listOptions);

$rows = [];
$total = (int) ($result['total'] ?? 0);
if (in_array($order, $computedOrderKeys, true)) {
    $fullResult = app(\MintyPHP\Service\Tenant\TenantService::class)->listPaged([
        ...$listOptions,
        'limit' => max(1, $total),
        'offset' => 0,
        'order' => 'description',
        'dir' => 'asc',
    ]);
    $rows = $fetchRows($fullResult['rows'] ?? []);

    usort($rows, static function (array $a, array $b) use ($dir): int {
        $cmp = ((int) $a['total_users']) <=> ((int) $b['total_users']);
        if ($cmp === 0) {
            $cmp = strcasecmp((string) $a['description'], (string) $b['description']);
        }
        return $dir === 'desc' ? -$cmp : $cmp;
    });
    $rows = array_slice($rows, $filters['offset'], $filters['limit']);
} else {
    $rows = $fetchRows($result['rows'] ?? []);
}

gridJsonDataResult($rows, $total);
