<?php

namespace App\Modules\Core\Controllers;

use App\Http\Controllers\Controller;
use App\Modules\Core\Models\SystemSetting;
use Illuminate\Http\Request;
use Inertia\Inertia;

class SystemSettingController extends Controller
{
    /**
     * 顯示系統設定頁面
     */
    public function index()
    {
        $settings = SystemSetting::all()->groupBy('group');
        
        return Inertia::render('Admin/Setting/Index', [
            'settings' => $settings,
        ]);
    }

    /**
     * 更新系統設定
     */
    public function update(Request $request)
    {
        $validated = $request->validate([
            'settings' => 'required|array',
            'settings.*.key' => 'required|string|exists:system_settings,key',
            'settings.*.value' => 'nullable',
        ]);

        foreach ($validated['settings'] as $item) {
            SystemSetting::where('key', $item['key'])->update([
                'value' => $item['value']
            ]);
        }

        // 清除記憶體快取，確保後續讀取拿到最新值
        SystemSetting::clearCache();

        return redirect()->back()->with('success', '系統設定已更新');
    }
}