<?php

namespace KTXC\Service;

use KTXC\Models\Tenant\TenantObject;
use KTXC\Stores\TenantStore;

class TenantService
{
    public function __construct(
        protected readonly TenantStore $store,
    ) {}

    public function fetchByDomain(string $domain): ?TenantObject
    {
        return $this->store->fetchByDomain($domain);
    }

    public function fetchById(string $identifier): ?TenantObject
    {
        return $this->store->fetch($identifier);
    }

    /**
     * List all tenants keyed by id
     *
     * @return array<string, TenantObject>
     */
    public function list(): array
    {
        return $this->store->list();
    }

    public function deposit(TenantObject $tenant): ?TenantObject
    {
        $domains = $tenant->getDomains();
        if ($domains === null || count($domains) === 0) {
            throw new \InvalidArgumentException('A tenant must have at least one domain.');
        }

        return $this->store->deposit($tenant);
    }

    public function destroy(TenantObject $tenant): void
    {
        $this->store->destroy($tenant);
    }

    // =========================================================================
    // Settings
    // =========================================================================

    /**
     * Fetch all – or a filtered subset of – a tenant's settings.
     *
     * @param string   $identifier Tenant identifier
     * @param string[] $keys       Optional list of keys to return; empty = all
     *
     * @return array<string, mixed>
     */
    public function fetchSettings(string $identifier, array $keys = []): array
    {
        return $this->store->fetchSettings($identifier, $keys);
    }

    /**
     * Merge-update settings for a tenant.
     *
     * @param string               $identifier Tenant identifier
     * @param array<string, mixed> $settings   Key-value pairs to persist
     */
    public function storeSettings(string $identifier, array $settings): bool
    {
        return $this->store->storeSettings($identifier, $settings);
    }
}