<?php

namespace App\Http\Controllers\Admin;

use App\Http\Controllers\Controller;
use App\Services\SettingsService;
use Illuminate\Http\Request;

class SystemSettingsController extends Controller
{
    public function index(SettingsService $settings)
    {
        return view('admin.system.settings', [
            'form' => $settings->effectiveForForm(),
        ]);
    }

    public function update(Request $request, SettingsService $settings)
    {
        $data = $request->validate([
            'telegram_bot_token' => ['nullable', 'string', 'max:255'],
            'telegram_owner_chat_id' => ['nullable', 'string', 'max:64'],
            'channels_max_per_agent' => ['nullable', 'integer', 'min:1', 'max:100'],
            'channels_domains' => ['nullable', 'string', 'max:4000'],
            'panel_admin_hosts' => ['nullable', 'string', 'max:4000'],
            'panel_agent_hosts' => ['nullable', 'string', 'max:4000'],
        ]);

        $domains = SettingsService::parseDomains($data['channels_domains'] ?? null);
        $adminHosts = SettingsService::parseDomains($data['panel_admin_hosts'] ?? null);
        $agentHosts = SettingsService::parseDomains($data['panel_agent_hosts'] ?? null);

        $settings->putMany([
            'telegram.bot_token' => $data['telegram_bot_token'] ?? null,
            'telegram.owner_chat_id' => $data['telegram_owner_chat_id'] ?? null,
            'channels.max_per_agent' => isset($data['channels_max_per_agent'])
                ? (string) $data['channels_max_per_agent']
                : null,
            // Persist normalized comma-separated list (empty clears override to []).
            'channels.domains' => $domains === [] ? '' : implode(',', $domains),
            // Empty = no Host restriction for that panel.
            'panel.admin_hosts' => $adminHosts === [] ? '' : implode(',', $adminHosts),
            'panel.agent_hosts' => $agentHosts === [] ? '' : implode(',', $agentHosts),
        ]);

        return response()->json(['code' => 0, 'msg' => '已保存']);
    }
}