<?php

declare(strict_types=1);

/**
 * SPDX-FileCopyrightText: Sebastian Krupinski <krupinski01@gmail.com>
 * SPDX-License-Identifier: AGPL-3.0-or-later
 */

namespace KTXM\ProviderImap\Providers;

enum ServiceMode: string
{
    case Live   = 'live';
    case Cached = 'cached';
}

enum CacheSyncStrategy: string
{
    case Manual   = 'manual';
    case Interval = 'interval';
    case Push     = 'push';
}

/**
 * Per-service operational settings for the IMAP provider.
 *
 * - debug:      Attach a PSR-3 logger to the IMAP client when true
 * - mode:       live (all reads/writes hit IMAP) | cached (reads from MongoDB)
 * - cacheSync:  How the cache is kept fresh (only relevant in cached mode)
 */
class ServiceSettings
{
    public function __construct(
        private bool              $debug     = false,
        private ServiceMode       $mode      = ServiceMode::Live,
        private CacheSyncStrategy $cacheSync = CacheSyncStrategy::Interval,
    ) {}

    // ── Serialisation ────────────────────────────────────────────────────────

    public function toStore(): array
    {
        return [
            'debug'     => $this->debug,
            'mode'      => $this->mode->value,
            'cacheSync' => $this->cacheSync->value,
        ];
    }

    public function fromStore(array $data): static
    {
        $this->debug     = $data['debug']     ?? false;
        $this->mode      = ServiceMode::from($data['mode'] ?? ServiceMode::Live->value);
        $this->cacheSync = CacheSyncStrategy::from($data['cacheSync'] ?? CacheSyncStrategy::Interval->value);

        return $this;
    }

    public function jsonSerialize(): array
    {
        return $this->toStore();
    }

    public function jsonDeserialize(array|string $data): static
    {
        if (is_string($data)) {
            $data = json_decode($data, true);
        }
        return $this->fromStore($data);
    }

    // ── Accessors ────────────────────────────────────────────────────────────

    public function getDebug(): bool                { return $this->debug; }
    public function setDebug(bool $v): static       { $this->debug = $v; return $this; }

    public function getMode(): ServiceMode                  { return $this->mode; }
    public function setMode(ServiceMode $v): static         { $this->mode = $v; return $this; }

    public function getCacheSync(): CacheSyncStrategy               { return $this->cacheSync; }
    public function setCacheSync(CacheSyncStrategy $v): static      { $this->cacheSync = $v; return $this; }
}