<?php

namespace Longyi\DynamicMenu\Http\Controllers;

use Illuminate\Http\Request;
use Illuminate\Routing\Controller;
use Longyi\DynamicMenu\Models\MenuItem;
use Webkul\User\Repositories\RoleRepository;
use Illuminate\Support\Facades\DB;
use Illuminate\Support\Facades\View;

class MenuController extends Controller
{
    protected $roleRepository;
    
    public function __construct(RoleRepository $roleRepository)
    {
        $this->roleRepository = $roleRepository;
        $this->_config = request('_config');
    }
    
    public function index()
    {
        
         \Log::info('===== MenuController::index 开始 =====');
    
    try {
        \Log::info('开始查询菜单数据');
        $allItems = MenuItem::with('children')
            ->orderBy('parent_id')
            ->orderBy('sort_order')
            ->get();
        \Log::info('查询完成，总数: ' . $allItems->count());
        
        $menuItems = $allItems->whereNull('parent_id');
        \Log::info('顶级菜单数: ' . $menuItems->count());
        
        \Log::info('准备返回视图');
        return view('dynamicmenu::admin.menu.index', compact('menuItems', 'allItems'));
        
    } catch (\Exception $e) {
        \Log::error('MenuController 错误: ' . $e->getMessage());
        \Log::error($e->getTraceAsString());
        throw $e;
    }
    
    \Log::info('===== MenuController::index 结束 =====');
    }
    
    public function create()
    {
        $menuItems = MenuItem::orderBy('parent_id')->orderBy('sort_order')->get();
        return view($this->_config['view'], compact('menuItems'));
    }
    
    public function store(Request $request)
    {
        $this->validate($request, [
            'name' => 'required|string|max:255',
            'key' => 'required|string|unique:ly_dynamic_menu_items,key',
            'route' => 'required|string',
            'icon' => 'nullable|string',
            'parent_id' => 'nullable|exists:ly_dynamic_menu_items,id',
            'sort_order' => 'integer',
            'status' => 'boolean'
        ]);
        
        $data = $request->all();
        $data['created_by'] = auth()->guard('admin')->user()->id;
        
        MenuItem::create($data);
        
        session()->flash('success', '菜单项创建成功');
        
        return redirect()->route($this->_config['redirect']);
    }
    
    public function edit($id)
    {
        $menuItem = MenuItem::with('parent')->findOrFail($id);
        $menuItems = MenuItem::orderBy('parent_id')->orderBy('sort_order')->get();
        
        return view($this->_config['view'], compact('menuItem', 'menuItems'));
    }
    
    public function update(Request $request, $id)
    {
        $this->validate($request, [
            'name' => 'required|string|max:255',
            'key' => 'required|string|unique:ly_dynamic_menu_items,key,' . $id,
            'route' => 'required|string',
            'icon' => 'nullable|string',
            'parent_id' => 'nullable|exists:ly_dynamic_menu_items,id',
            'sort_order' => 'integer',
            'status' => 'boolean'
        ]);
        
        $menuItem = MenuItem::findOrFail($id);
        $menuItem->update($request->all());
        
        session()->flash('success', '菜单项更新成功');
        
        return redirect()->route($this->_config['redirect']);
    }
    
    public function destroy($id)
    {
        $menuItem = MenuItem::with('children')->findOrFail($id);
        
        if ($menuItem->children->count() > 0) {
            session()->flash('error', '请先删除子菜单项');
            return redirect()->back();
        }
        
        $menuItem->delete();
        
        session()->flash('success', '菜单项删除成功');
        
        return redirect()->route($this->_config['redirect']);
    }
    
    public function permission()
    {
        $roles = $this->roleRepository->all();
        $menuItems = MenuItem::with('children')->orderBy('parent_id')->orderBy('sort_order')->get();
        
        return view($this->_config['view'], compact('roles', 'menuItems'));
    }
    
    public function updatePermission(Request $request)
    {
        $roleId = $request->input('role_id');
        $menuItemIds = $request->input('menu_items', []);
        
        DB::table('menu_item_role')->where('role_id', $roleId)->delete();
        
        foreach ($menuItemIds as $menuItemId) {
            DB::table('menu_item_role')->insert([
                'menu_item_id' => $menuItemId,
                'role_id' => $roleId
            ]);
        }
        
        session()->flash('success', '权限更新成功');
        
        return redirect()->back();
    }
    
    public function getRolePermissions(Request $request)
    {
        $roleId = $request->input('role_id');
        
        $permissions = DB::table('menu_item_role')
            ->where('role_id', $roleId)
            ->pluck('menu_item_id')
            ->toArray();
            
        return response()->json($permissions);
    }
}