<?php
/**
 *	后台管理系统-首页
 */
namespace app\admin\controller;
use app\admin\controller\Base;
use think\facade\Db;
use think\facade\View;
use think\facade\Env;
use think\facade\Config;

class Index extends Base{
	# 首页
	public function index(){
		$menus = [];
		$menu = [];
		$where = ['group_id'=>$this->aUser['group_id']];
		$role = Db::table('yz_admin_user_group')->where($where)->find();
		if($role){
			$role['rights'] = (isset($role['rights']) && $role['rights']) ? json_decode($role['rights'],true) : [];
		}
		if($role['rights']){
			$where = [
				['smid','in',implode(',',$role['rights']) ],
				['status','=',1]
			];
			// 获取所有菜单
			$menus = Db::table('yz_admin_sys_menu')->order('type,sort desc')->where($where)->select()->toArray();
			
			// 构建树形结构菜单
			$menuTree = [];
			$menuMap = [];
			
			// 先将所有菜单项映射到一个关联数组中
			foreach($menus as $item){
				$item['children'] = [];
				$menuMap[$item['smid']] = $item;
			}
			
			// 构建树形结构
			foreach($menus as $item){
				if($item['parent_id'] == 0){
					// 顶级菜单
					$menuTree[$item['smid']] = &$menuMap[$item['smid']];
				}else{
					// 子菜单，添加到父菜单的children数组中
					if(isset($menuMap[$item['parent_id']])){
						$menuMap[$item['parent_id']]['children'][] = &$menuMap[$item['smid']];
					}
				}
			}
			
			$menu = $menuTree;
		}
		
		View::assign([
			'role' => $role,
			'menu' => $menu
		]);
		return View::fetch();
	}
	# 欢迎页面
	public function welcome(){
		View::assign([
			'time' => date('Y-m-d',$_SERVER['REQUEST_TIME']),
		]);
		return View::fetch();
	}

	/**
	 * 保存附件信息到数据库
	 * @param string $name 文件名
	 * @param int $type 附件类型
	 * @param int $size 文件大小
	 * @param string $src 文件路径
	 * @return int 附件ID
	 */
	private function saveAttachment($name, $type, $size, $src) {
		$data = [
			'name' => $name,
			'type' => $type,
			'size' => $size,
			'src' => $src,
			'create_time' => time(),
			'update_time' => time()
		];
		return Db::table('yz_attachments')->insertGetId($data);
	}

	# 图片上传
	public function upload_img(){
		// 获取上传的文件
		$file = request()->file();
		$files = request()->file('file');
		
		// 检查是否有文件上传
		if(empty($file)){
			return json(['code'=>1, 'msg'=>'没有文件上传'])->send();
		}
		
		try {
			// 验证上传的文件
			validate([
				'image'=>'filesize:10240|fileExt:jpg,png,gif,jpeg'
			])->check($file);
			
			// 存储文件到public磁盘的uploads目录
			$info = \think\facade\Filesystem::disk('public')->putFile('uploads', $files);
			
			// 处理文件路径，统一使用正斜杠
			$info = str_replace("\\", "/", $info);
			$img = '/storage/'.$info;
			
			// 保存附件信息
			$fileName = $files->getOriginalName();
			$fileSize = $files->getSize();
			$attachmentId = $this->saveAttachment($fileName, 1, $fileSize, $img);
			
			// 返回成功信息
			return json([
				'code' => 0, 
				'data' => $img, 
				'url' => $this->config['admin_domain'].$img,
				'attachment_id' => $attachmentId
			])->send();
			
		} catch (\think\exception\ValidateException $e) {
			// 捕获验证异常并返回错误信息
			return json(['code'=>1, 'msg'=>$e->getMessage()])->send();
		} catch (\Exception $e) {
			// 捕获其他异常
			return json(['code'=>1, 'msg'=>'上传失败：'.$e->getMessage()])->send();
		}
	}
	# 富文本图片上传
	public function upload_imgs(){
		$file = request()->file();
		$files = request()->file('file');
		if(empty($file)){
			return json(['code'=>1, 'msg'=>'没有文件上传'])->send();
		}
		try {
			validate(['image'=>'filesize:10240|fileExt:jpg,png,gif,jpeg'])->check($file);
			$info = \think\facade\Filesystem::disk('public')->putFile('uploads', $files);
			
			// 处理文件路径
			$info = str_replace("\\", "/", $info);
			$img = '/storage/'.$info;
			
			// 保存附件信息
			$fileName = $files->getOriginalName();
			$fileSize = $files->getSize();
			$attachmentId = $this->saveAttachment($fileName, 2, $fileSize, $img);
			
			return json([
				'code' => 0,
				'data' => [
					'src' => $img,
					'attachment_id' => $attachmentId
				]
			])->send();
		} catch (\think\exception\ValidateException $e) {
			return json(['code'=>1, 'msg'=>$e->getMessage()])->send();
		}
	}
	# 富文本图片上传
	public function upload_imgs_kin(){
		$file = request()->file();
		$files = request()->file('imgFile');

		if(empty($file)){
			return json(['error'=>1, 'message'=>'没有文件上传'])->send();
		}
		try {
			validate(['image'=>'filesize:10240|fileExt:jpg,png,gif,jpeg'])->check($file);
			$info = \think\facade\Filesystem::disk('public')->putFile('uploads', $files);
			
			// 处理文件路径
			$info = str_replace("\\", "/", $info);
			$img = '/storage/'.$info;
			
			// 保存附件信息
			$fileName = $files->getOriginalName();
			$fileSize = $files->getSize();
			$attachmentId = $this->saveAttachment($fileName, 3, $fileSize, $img);
			
			return json([
				'error' => 0,
				'url' => $img,
				'attachment_id' => $attachmentId
			])->send();
		} catch (\think\exception\ValidateException $e) {
			return json(['error'=>1, 'message'=>$e->getMessage()])->send();
		}
	}
	# 清除缓存
	public function clear(){
		$a = delete_dir_file(Env::get('runtime_path').'cache/');
		$b = delete_dir_file(Env::get('runtime_path').'temp/');
		if ($a || $b) {
			$this->returnCode(0, '清除缓存成功');
		} else {
			$this->returnCode(1, '清除缓存失败');
		}
	}
}