<?php
/**
 * 商业使用授权协议
 * 
 * Copyright (c) 2025 [云泽网]. 保留所有权利.
 * 
 * 本软件仅供评估使用。任何商业用途必须获得书面授权许可。
 * 未经授权商业使用本软件属于侵权行为，将承担法律责任。
 * 
 * 授权购买请联系: 357099073@qq.com
 * 官方网站: https://www.yunzer.cn
 * 
 * 评估用户须知:
 * 1. 禁止移除版权声明
 * 2. 禁止用于生产环境
 * 3. 禁止转售或分发
 */

/**
 *	后台管理系统-首页
 */
namespace app\admin\controller;
use app\admin\controller\Base;
use app\admin\model\DailyStats;
use app\admin\model\Log\LogsOperation;
use app\index\model\Attachments;
use think\facade\Db;
use think\facade\View;
use think\facade\Env;
use think\facade\Config;
use app\admin\controller\Log;
use \think\facade\Filesystem;

use app\admin\model\AdminUserGroup;
use app\admin\model\AdminSysMenu;

class IndexController extends Base{
	# 首页
	public function index(){
		$menus = [];
		$menu = [];
		$where = ['group_id'=>$this->aUser['group_id']];
		$role = AdminUserGroup::where($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
			$menus = AdminSysMenu::order('type,sort desc')->where($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(){
		try {
			// 获取最近7天的日期
			$dates = [];
			for ($i = 6; $i >= 0; $i--) {
				$dates[] = date('Y-m-d', strtotime("-$i day"));
			}

			// 初始化数据数组
			$visitData = [];
			$userData = [];
			$resourceData = [];
			$articleData = [];

			// 直接查询每天的数据
			foreach ($dates as $date) {
				$dayStats = Db::name('daily_stats')
					->where('date', $date)
					->find();

				// 访问数据
				$visitData[] = [
					'date' => $date,
					'visits' => $dayStats ? intval($dayStats['daily_visits']) : 0,
					'uv' => $dayStats ? intval($dayStats['unique_visitors']) : 0
				];

				// 用户数据
				$userData[] = [
					'date' => $date,
					'total' => $dayStats ? intval($dayStats['total_users']) : 0,
					'new' => $dayStats ? intval($dayStats['new_users']) : 0
				];

				// 资源数据
				$resourceData[] = [
					'date' => $date,
					'total' => $dayStats ? intval($dayStats['total_resources']) : 0,
					'new' => $dayStats ? intval($dayStats['daily_resources']) : 0,
					'downloads' => $dayStats ? intval($dayStats['resource_downloads']) : 0
				];

				// 文章数据
				$articleData[] = [
					'date' => $date,
					'total' => $dayStats ? intval($dayStats['total_articles']) : 0,
					'new' => $dayStats ? intval($dayStats['daily_articles']) : 0,
					'views' => $dayStats ? intval($dayStats['article_views']) : 0
				];
			}

			// 获取今日统计数据
			$today = date('Y-m-d');
			$todayStats = Db::name('daily_stats')
				->where('date', $today)
				->find();

			// 获取最近的操作日志
			$recentActivities = Db::name('logs_operation')
				->field('operation_time, module, operation')
				->order('operation_time DESC')
				->limit(5)
				->select()
				->each(function($item) {
					$item['content'] = date('Y年m月d日 H:i:s', strtotime($item['operation_time'])) . ' 在 ' . 
						($item['module'] ?: '未知模块') . ' ' . 
						($item['operation'] ?: '未知操作');
					$item['icon'] = $this->getActivityIcon($item['module'] ?: '其他');
					return $item;
				});

			// 处理图表数据
			$chartData = [
				'visitTrend' => [
					'dates' => array_map(function($item) { return date('m-d', strtotime($item['date'])); }, $visitData),
					'visits' => array_column($visitData, 'visits'),
					'uvs' => array_column($visitData, 'uv')
				],
				'userGrowth' => [
					'dates' => array_map(function($item) { return date('m-d', strtotime($item['date'])); }, $userData),
					'newUsers' => array_column($userData, 'new'),
					'totalUsers' => array_column($userData, 'total')
				],
				'resourceStats' => [
					'dates' => array_map(function($item) { return date('m-d', strtotime($item['date'])); }, $resourceData),
					'newResources' => array_column($resourceData, 'new'),
					'totalResources' => array_column($resourceData, 'total'),
					'downloads' => array_column($resourceData, 'downloads')
				],
				'articleStats' => [
					'dates' => array_map(function($item) { return date('m-d', strtotime($item['date'])); }, $articleData),
					'newArticles' => array_column($articleData, 'new'),
					'totalArticles' => array_column($articleData, 'total'),
					'views' => array_column($articleData, 'views')
				]
			];

			// 传递给视图
			View::assign([
				'todayStats' => $todayStats ?: [
					'total_users' => 0,
					'new_users' => 0,
					'total_visits' => 0,
					'daily_visits' => 0,
					'unique_visitors' => 0,
					'total_articles' => 0,
					'daily_articles' => 0,
					'article_views' => 0,
					'total_resources' => 0,
					'daily_resources' => 0,
					'resource_downloads' => 0
				],
				'recentActivities' => $recentActivities,
				'chartData' => $chartData
			]);

			return View::fetch();
		} catch (\Exception $e) {
			// 记录错误日志
			\think\facade\Log::error('获取统计数据失败：' . $e->getMessage());
			// 返回空数据
			View::assign([
				'todayStats' => [
					'total_users' => 0,
					'new_users' => 0,
					'total_visits' => 0,
					'daily_visits' => 0,
					'unique_visitors' => 0,
					'total_articles' => 0,
					'daily_articles' => 0,
					'article_views' => 0,
					'total_resources' => 0,
					'daily_resources' => 0,
					'resource_downloads' => 0
				],
				'recentActivities' => [],
				'chartData' => [
					'visitTrend' => ['dates' => [], 'visits' => [], 'uvs' => []],
					'userGrowth' => ['dates' => [], 'newUsers' => [], 'totalUsers' => []],
					'resourceStats' => ['dates' => [], 'newResources' => [], 'totalResources' => [], 'downloads' => []],
					'articleStats' => ['dates' => [], 'newArticles' => [], 'totalArticles' => [], 'views' => []]
				]
			]);
			return View::fetch();
		}
	}

	/**
	 * 根据操作类型获取对应的图标
	 */
	private function getActivityIcon($type)
	{
		$icons = [
			'用户管理' => '👥',
			'文章管理' => '📝',
			'资源管理' => '📦',
			'系统设置' => '⚙️',
			'登录' => '🔑',
			'退出' => '🚪',
			'其他' => '📌'
		];
		
		return $icons[$type] ?? '📌';
	}

	/**
	 * 格式化访问趋势数据
	 */
	private function formatVisitTrendData($data)
	{
		$dates = [];
		$visits = [];
		$uvs = [];

		foreach ($data as $item) {
			$dates[] = date('m-d', strtotime($item['date']));
			$visits[] = $item['daily_visits'];
			$uvs[] = $item['unique_visitors'];
		}

		return [
			'dates' => $dates,
			'visits' => $visits,
			'uvs' => $uvs
		];
	}

	/**
	 * 格式化用户增长数据
	 */
	private function formatUserGrowthData($data)
	{
		$dates = [];
		$newUsers = [];
		$totalUsers = [];

		foreach ($data as $item) {
			$dates[] = date('m-d', strtotime($item['date']));
			$newUsers[] = $item['new_users'];
			$totalUsers[] = $item['total_users'];
		}

		return [
			'dates' => $dates,
			'newUsers' => $newUsers,
			'totalUsers' => $totalUsers
		];
	}

	/**
	 * 格式化资源统计数据
	 */
	private function formatResourceStatsData($data)
	{
		$dates = [];
		$resources = [];
		$downloads = [];

		foreach ($data as $item) {
			$dates[] = date('m-d', strtotime($item['date']));
			$resources[] = $item['daily_resources'];
			$downloads[] = $item['resource_downloads'];
		}

		return [
			'dates' => $dates,
			'resources' => $resources,
			'downloads' => $downloads
		];
	}

	/**
	 * 格式化文章统计数据
	 */
	private function formatArticleStatsData($data)
	{
		$dates = [];
		$articles = [];
		$views = [];

		foreach ($data as $item) {
			$dates[] = date('m-d', strtotime($item['date']));
			$articles[] = $item['daily_articles'];
			$views[] = $item['article_views'];
		}

		return [
			'dates' => $dates,
			'articles' => $articles,
			'views' => $views
		];
	}

	/**
	 * 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' => $src,
			'create_time' => time(),
			'update_time' => time()
		];
		return Attachments::insertGetId($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:51200|fileExt:jpg,png,gif,jpeg'
			])->check($file);
			
			// 存储文件到public磁盘的uploads目录
			$info = 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); // 1: 图片
			
			// 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();
		}
	}
	# 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');
		}
	}
	# 文件上传
	public function upload_file(){
		$file = request()->file();
		$files = request()->file('file');
		if(empty($file)){
			return json(['code'=>1, 'msg'=>'没有文件上传'])->send();
		}
		try {
			// 只验证文件扩展名，不验证大小
			validate([
				'file'=>'fileExt:doc,docx,xls,xlsx,ppt,pptx,pdf,txt,zip,rar,7z'
			])->check($file);
			
			$info = Filesystem::disk('public')->putFile('uploads/files', $files);
			
			// 处理文件路径
			$info = str_replace("\\", "/", $info);
			$filePath = '/storage/'.$info;
			
			// 保存附件信息
			$fileName = $files->getOriginalName();
			$fileSize = $files->getSize();
			$attachmentId = $this->saveAttachment($fileName, 2, $fileSize, $filePath); // 2: 文件
			
			return json([
				'code' => 0,
				'data' => [
					'src' => $filePath,
					'attachment_id' => $attachmentId
				]
			])->send();
		} catch (\think\exception\ValidateException $e) {
			return json(['code'=>1, 'msg'=>$e->getMessage()])->send();
		} catch (\Exception $e) {
			return json(['code'=>1, 'msg'=>'上传失败：'.$e->getMessage()])->send();
		}
	}

	# 视频上传
	public function upload_video(){
		$file = request()->file();
		$files = request()->file('file');
		if(empty($file)){
			return json(['code'=>1, 'msg'=>'没有文件上传'])->send();
		}
		try {
			validate(['video'=>'filesize:102400|fileExt:mp4,avi,mov,wmv,flv'])->check($file);
			$info = Filesystem::disk('public')->putFile('uploads/videos', $files);
			
			// 处理文件路径
			$info = str_replace("\\", "/", $info);
			$videoPath = '/storage/'.$info;
			
			// 保存附件信息
			$fileName = $files->getOriginalName();
			$fileSize = $files->getSize();
			$attachmentId = $this->saveAttachment($fileName, 3, $fileSize, $videoPath); // 3: 视频
			
			return json([
				'code' => 0,
				'data' => [
					'src' => $videoPath,
					'attachment_id' => $attachmentId
				]
			])->send();
		} catch (\think\exception\ValidateException $e) {
			return json(['code'=>1, 'msg'=>$e->getMessage()])->send();
		}
	}

	# 音频上传
	public function upload_audio(){
		$file = request()->file();
		$files = request()->file('file');
		if(empty($file)){
			return json(['code'=>1, 'msg'=>'没有文件上传'])->send();
		}
		try {
			validate(['audio'=>'filesize:51200|fileExt:mp3,wav,ogg,m4a'])->check($file);
			$info = Filesystem::disk('public')->putFile('uploads/audios', $files);
			
			// 处理文件路径
			$info = str_replace("\\", "/", $info);
			$audioPath = '/storage/'.$info;
			
			// 保存附件信息
			$fileName = $files->getOriginalName();
			$fileSize = $files->getSize();
			$attachmentId = $this->saveAttachment($fileName, 4, $fileSize, $audioPath); // 4: 音频
			
			return json([
				'code' => 0,
				'data' => [
					'src' => $audioPath,
					'attachment_id' => $attachmentId
				]
			])->send();
		} catch (\think\exception\ValidateException $e) {
			return json(['code'=>1, 'msg'=>$e->getMessage()])->send();
		}
	}

}