<?php

declare(strict_types=1);

namespace app\admin\controller;

use app\admin\BaseController;
use think\exception\ValidateException;
use think\facade\Db;
use think\response\Json;
use think\db\exception\DbException;
use app\model\Articles;
use app\model\ArticlesCategory;
use app\model\AdminUser;

class AnalyticsController extends BaseController
{
    /**
     * 内容统计
     * 包含：总发布量、本月新增、总点赞量、总访问量（均与昨日对比）、热门内容top5
     * @return Json
     */
    public function getContentStats()
    {
        try {
            $today = date('Y-m-d');
            $yesterday = date('Y-m-d', strtotime('-1 day'));
            $monthStart = date('Y-m-01');
            $yesterdayMonthStart = date('Y-m-01', strtotime('-1 day'));
            $monthEnd = date('Y-m-t 23:59:59');

            // 总发布量
            $totalArticles = Articles::where('delete_time', null)
                ->where('status', 2)
                ->count();

            // 昨日总发布量
            $yesterdayTotalArticles = Articles::where('delete_time', null)
                ->where('status', 2)
                ->where('publish_date', '>=', $yesterday . ' 00:00:00')
                ->where('publish_date', '<=', $yesterday . ' 23:59:59')
                ->count();

            // 本月新增
            $monthNewArticles = Articles::where('delete_time', null)
                ->where('status', 2)
                ->where('publish_date', '>=', $monthStart . ' 00:00:00')
                ->where('publish_date', '<=', $monthEnd)
                ->count();

            // 上月同期新增（用于对比）
            $lastMonthStart = date('Y-m-01', strtotime('-1 month'));
            $lastMonthEnd = date('Y-m-t 23:59:59', strtotime('-1 month'));
            $lastMonthNewArticles = Articles::where('delete_time', null)
                ->where('status', 2)
                ->where('publish_date', '>=', $lastMonthStart . ' 00:00:00')
                ->where('publish_date', '<=', $lastMonthEnd)
                ->count();

            // 总点赞量
            $totalLikes = Articles::where('delete_time', null)
                ->where('status', 2)
                ->sum('likes');

            // 昨日点赞量
            $yesterdayLikes = Articles::where('delete_time', null)
                ->where('status', 2)
                ->where('update_time', '>=', $yesterday . ' 00:00:00')
                ->where('update_time', '<=', $yesterday . ' 23:59:59')
                ->sum('likes');

            // 总访问量
            $totalViews = Articles::where('delete_time', null)
                ->where('status', 2)
                ->sum('views');

            // 昨日访问量
            $yesterdayViews = Articles::where('delete_time', null)
                ->where('status', 2)
                ->where('update_time', '>=', $yesterday . ' 00:00:00')
                ->where('update_time', '<=', $yesterday . ' 23:59:59')
                ->sum('views');

            // 计算增长率
            $articleGrowth = $yesterdayTotalArticles > 0
                ? round(($totalArticles - $yesterdayTotalArticles) / $yesterdayTotalArticles * 100, 2)
                : 0;
            $monthGrowth = $lastMonthNewArticles > 0
                ? round(($monthNewArticles - $lastMonthNewArticles) / $lastMonthNewArticles * 100, 2)
                : 0;
            $likesGrowth = $yesterdayLikes > 0
                ? round(($totalLikes - $yesterdayLikes) / $yesterdayLikes * 100, 2)
                : 0;
            $viewsGrowth = $yesterdayViews > 0
                ? round(($totalViews - $yesterdayViews) / $yesterdayViews * 100, 2)
                : 0;

            // 热门内容TOP5
            $hotArticles = Articles::where('delete_time', null)
                ->where('status', 2)
                ->order('views', 'desc')
                ->limit(5)
                ->withAttr('cate', function ($value) {
                    return ArticlesCategory::where('id', $value)->value('name') ?? '未分类';
                })
                ->field('id,title,cate,views,likes,publish_date,status')
                ->select();

            $stats = [
                'overview' => [
                    'total_articles' => [
                        'value' => $totalArticles,
                        'yesterday' => $yesterdayTotalArticles,
                        'growth' => $articleGrowth
                    ],
                    'month_new' => [
                        'value' => $monthNewArticles,
                        'last_month' => $lastMonthNewArticles,
                        'growth' => $monthGrowth
                    ],
                    'total_likes' => [
                        'value' => (int)$totalLikes,
                        'yesterday' => (int)$yesterdayLikes,
                        'growth' => $likesGrowth
                    ],
                    'total_views' => [
                        'value' => (int)$totalViews,
                        'yesterday' => (int)$yesterdayViews,
                        'growth' => $viewsGrowth
                    ],
                ],
                'hot_articles' => $hotArticles->toArray()
            ];

            $this->logSuccess('内容统计', '获取内容统计', ['data' => $stats]);
            return json([
                'code' => 200,
                'msg' => '获取成功',
                'data' => $stats
            ]);
        } catch (DbException $e) {
            $this->logFail('内容统计', '获取内容统计', $e->getMessage());
            return json([
                'code' => 500,
                'msg' => '获取失败：' . $e->getMessage(),
                'data' => []
            ]);
        }
    }   

    /**
     * 用户统计
     * @return Json
     */
    public function getUserStats()
    {
        try {
            $stats = [
                'total_users' => AdminUser::where('delete_time', null)->count(),
            ];
            // 记录操作日志
            $this->logSuccess('用户统计', '获取用户统计', ['data' => $stats]);
            return json([
                'code' => 200,
                'msg' => '获取成功',
                'data' => $stats
            ]);
        } catch (DbException $e) {
            // 记录失败日志
            $this->logFail('用户统计', '获取用户统计', $e->getMessage());
            return json([
                'code' => 500,
                'msg' => '获取失败：' . $e->getMessage(),
                'data' => []
            ]);
        }
    }   

    
}