<?php
// +----------------------------------------------------------------------
// | YwxApp [ WE CAN DO IT JUST THINK ]
// +----------------------------------------------------------------------
// | Copyright (c) 2026-2036 http://ywxapp.cn All rights reserved.
// +----------------------------------------------------------------------
// | Author: ywxapp<admin@ywxapp.cn>
// +----------------------------------------------------------------------
declare (strict_types = 1);

namespace addon\blog\controller\backend;

use addon\blog\model\BlogArticle as ArticleModel;
use addon\blog\model\BlogComment as CommentModel;
use ywxapp\model\MemberUser as UserModel;
use addon\blog\model\BlogVisit as VisitModel;
use think\facade\Db;
use think\facade\Request;
use think\facade\View;
use ywxapp\controller\BackendBase;

/**
 * Stat 类
 *
 * @author ywxapp <admin@ywxapp.cn>
 */
class Stat extends BackendBase
{

    protected $noNeedVerify = ['*'];

    
    protected function initialize()
    {}

    /**
     * 今日起始时间戳
     */
    private function todayStart()
    {
        return strtotime(date('Y-m-d'));
    }

    /**
     * 统计分析首页
     */
    public function index()
    {
        $range     = request()->get('range', 'week');
        $startTime = $this->getTimeRange($range);
        $today     = $this->todayStart();

        $stats = [
            'total_visit'   => VisitModel::count(),
            'today_visit'   => VisitModel::where('create_at', '>=', $today)->count(),
            'total_article' => ArticleModel::count(),
            'today_article' => ArticleModel::where('create_at', '>=', $today)->count(),
            'total_user'    => UserModel::count(),
            'today_user'    => UserModel::where('create_at', '>=', $today)->count(),
            'total_comment' => CommentModel::count(),
            'today_comment' => CommentModel::where('create_at', '>=', $today)->count(),
        ];

        $visitTrend = $this->getTrendData('visit', $startTime, $range);
        $articleTrend = $this->getTrendData('article', $startTime, $range);
        $userTrend = $this->getTrendData('member', $startTime, $range);

        $hotPages = VisitModel::field('url, count(*) as count')
            ->where('create_at', '>=', $startTime)
            ->group('url')
            ->order('count', 'desc')
            ->limit(10)
            ->select();

        $hotArticles = ArticleModel::with(['author'])
            ->where('create_at', '>=', $startTime)
            ->order('view_count', 'desc')
            ->limit(10)
            ->select();

        return View::fetch('stat/index', [
            'stats'        => $stats,
            'visitTrend'   => $visitTrend,
            'articleTrend' => $articleTrend,
            'userTrend'    => $userTrend,
            'hotPages'     => $hotPages,
            'hotArticles'  => $hotArticles,
            'range'        => $range,
        ]);
    }

    /**
     * 获取时间范围
     */
    private function getTimeRange($range)
    {
        switch ($range) {
            case 'today':
                return strtotime(date('Y-m-d'));
            case 'week':
                return strtotime('-7 days');
            case 'month':
                return strtotime('-30 days');
            case 'year':
                return strtotime('-1 year');
            default:
                return strtotime('-7 days');
        }
    }

    /**
     * 获取趋势数据
     */
    private function getTrendData($type, $startTime, $range)
    {
        $dateFormat = $range == 'year' ? '%Y-%m' : '%Y-%m-%d';

        $table = [
            'visit'   => 'blog_visit',
            'article' => 'blog_article',
            'member'    => 'member',
        ][$type];

        $dateField = 'create_at';

        $rows = Db::name($table)
            ->field("FROM_UNIXTIME({$dateField}, '{$dateFormat}') as date, count(*) as count")
            ->where($dateField, '>=', $startTime)
            ->group("FROM_UNIXTIME({$dateField}, '{$dateFormat}')")
            ->order('date', 'asc')
            ->select()
            ->toArray();

        return array_column($rows, 'count', 'date');
    }
}