<?php
namespace ABeCe\Booking\Licensing;

use ABeCe\Booking\Edition\EntitlementProviderInterface;

/** Snapshot of SDK authority. Never stores an independent license or performs HTTP. */
final class FreemiusEntitlementProvider implements EntitlementProviderInterface {
    private readonly string $resolvedPlan;
    private readonly bool $updates;

    public function __construct(private readonly ?\Freemius $sdk = null) {
        $plan = 'lite';
        if ($sdk && $sdk->has_features_enabled_license() && $sdk->is_registered() && $sdk->get_site() instanceof \FS_Site) {
            // is_plan()/get_plan() may synchronize missing plans. This accessor's
            // false flag reads only official cached plans, including while offline.
            $cached = $sdk->_get_plan_by_id($sdk->get_site()->plan_id, false);
            if ($cached instanceof \FS_Plugin_Plan && in_array($cached->name, ['starter', 'club', 'pro'], true)) {
                $plan = $cached->name;
            }
        }
        $this->resolvedPlan = $plan;
        $this->updates = $plan !== 'lite' && $sdk->has_active_valid_license();
    }

    public function plan(): string { return $this->resolvedPlan; }
    public function updateSupportEntitled(): ?bool { return $this->updates; }

    /** Admin-only projection: deliberately no raw SDK entities or license keys. */
    public function status(): array {
        $license = $this->sdk ? $this->sdk->_get_license() : null;
        $state = 'unlicensed';
        if ($license instanceof \FS_Plugin_License && is_numeric($license->id)) {
            $state = !$license->is_active() ? 'revoked' : ($license->is_expired() ? 'expired' : 'active');
        }
        $subscription = $license instanceof \FS_Plugin_License && is_numeric($license->id)
            ? $this->sdk->_get_subscription($license->id) : null;
        return [
            'state' => $state,
            'updates' => $this->updates,
            'expires_at' => $license instanceof \FS_Plugin_License ? $license->expiration : null,
            'renewal_cancelled' => $subscription instanceof \FS_Subscription ? $subscription->is_canceled() : null,
            'production_sites' => $license instanceof \FS_Plugin_License ? $license->quota : null,
            'account_url' => $this->sdk ? ($this->sdk->is_registered() ? $this->sdk->get_account_url() : ($this->sdk->is_activation_mode() ? $this->sdk->get_activation_url() : $this->sdk->get_reconnect_url())) : null,
            'upgrade_url' => $this->sdk ? $this->sdk->get_upgrade_url() : null,
        ];
    }
}