<?php
declare(strict_types=1);

namespace Soon\Api\Admin\Controllers;

use Soon\Api\Core\Db;
use Soon\Api\Core\Json;
use Soon\Api\Services\AuditService;
use Soon\Api\Services\PaymentConfig;
use Soon\Api\Services\SettingsConfigLoader;

final class SettingsController
{
    public function list(int $adminId): void
    {
        $stmt = Db::pdo()->query('SELECT `key`, `value`, updated_at FROM settings ORDER BY `key`');
        AuditService::log($adminId, 'settings.list', 'settings');
        Json::ok(['items' => $stmt->fetchAll()]);
    }

    public function set(int $adminId): void
    {
        $body = Json::readBody();
        $key = (string)($body['key'] ?? '');
        $value = (string)($body['value'] ?? '');
        if ($key === '') {
            Json::fail('bad_request', 'key 必填', 400);
        }
        $stmt = Db::pdo()->prepare(
            'INSERT INTO settings (`key`, `value`, updated_at) VALUES (:k, :v, :ts) '
            . 'ON DUPLICATE KEY UPDATE `value`=VALUES(`value`), updated_at=VALUES(updated_at)'
        );
        $stmt->execute(['k' => $key, 'v' => $value, 'ts' => date('Y-m-d H:i:s')]);
        AuditService::log($adminId, 'settings.set', 'setting:' . $key, ['value' => $value]);
        if (in_array($key, SettingsConfigLoader::PAYMENT_KEYS, true)) {
            PaymentConfig::reloadRuntime();
        }
        Json::ok(['key' => $key]);
    }

    public function setBatch(int $adminId): void
    {
        $body = Json::readBody();
        $items = $body['items'] ?? null;
        if (!is_array($items) || $items === []) {
            Json::fail('bad_request', 'items 须为非空数组', 400);
        }
        $pdo = Db::pdo();
        $stmt = $pdo->prepare(
            'INSERT INTO settings (`key`, `value`, updated_at) VALUES (:k, :v, :ts) '
            . 'ON DUPLICATE KEY UPDATE `value`=VALUES(`value`), updated_at=VALUES(updated_at)'
        );
        $saved = [];
        $now = date('Y-m-d H:i:s');
        foreach ($items as $item) {
            if (!is_array($item)) {
                continue;
            }
            $key = trim((string)($item['key'] ?? ''));
            if ($key === '') {
                continue;
            }
            $value = (string)($item['value'] ?? '');
            $stmt->execute(['k' => $key, 'v' => $value, 'ts' => $now]);
            $saved[] = $key;
        }
        if ($saved === []) {
            Json::fail('bad_request', '无有效配置项', 400);
        }
        AuditService::log($adminId, 'settings.set_batch', 'settings', ['keys' => $saved]);
        if (array_intersect($saved, SettingsConfigLoader::PAYMENT_KEYS) !== []) {
            PaymentConfig::reloadRuntime();
        }
        Json::ok(['keys' => $saved]);
    }
}