<?php

namespace app\index\controller;

use think\Config;
use think\Cookie;
use think\Loader;

class Download extends BaseController
{
    public function get_filter() {
        $dl_name    = model('download')->field('name')->where(['stat' => 0, 'country_code' => $this->country_code])->select();
        $data       = [
            'dl_name' => $dl_name,
        ];
        
        return $this->json(200, 'ok', $data);
    }

    public function catelists()
    {
        $arg_where = [
            'a.siteid'  => $this->siteid,
            'c.id'      => 1,
        ];
        $skeyword = $this->request->get('skeyword', '', 'urldecode,strval');
        if ($skeyword != '') {
            $skeyword = trim($skeyword);
            $search['skeyword'] = $skeyword;
            $arg_where['a.name|a.app_model'] = ['like', '%' . $search['skeyword'] . '%'];
            Config::set('paginate.query', ['skeyword' => $skeyword]); //分页参数
            $value['search'] = $search;
        }

        $arg_order  = ['a.id' => 'desc'];
        $arg_field  = ['a.id', 'a.cid', 'a.name', 'a.sort', 'a.headline', 'a.ishot', 'a.recommend', 'a.app_model', 'a.support_os', 'a.format', 'a.viewcount', 'a.downloadcount', 'a.description', 'a.picture', 'a.tags', 'a.downloadpath', 'a.downloadpath64', 'a.createtime', 'c.id' => 'categoryid', 'c.name' => 'categoryname'];
        $dataObject = Loader::model('Download')->getCateDownloadLists($arg_where, $arg_order, $arg_field, 12);
        // echo \think\Db::table('download')->getLastSql(), '<hr>';
        // tiaoshi($dataObject->items());die;
        $value      = [
            'list' => $dataObject->isEmpty() ? null : $dataObject->items(), 
            'page' => $dataObject->render(),
        ];
        if ($this->request->isAjax()) {
            return $this->result($value, true, '下载列表');
        }
        $downloadCategory           = Loader::model('DownloadCategory')->getList(['siteid' => $this->siteid, 'stat' => 0, 'pid' => 2], ['sort', 'id']);
        // tiaoshi($downloadCategory);die;
        $value['downloadCategory']  = $downloadCategory;
        $value['skeyword']          = '';
        $this->assign($value);
        return $this->fetch();
    }

    public function detail($id = 0)
    {
        if ($id > 0) {
            $detail = Loader::model('Download')->getRow($id);
            if (empty($detail)) {
                return exception('数据有误，请检查后再操作');
            }
            //$adddownload = Loader::model('DownloadAddition')->getRowAddition(['aid' => $detail['id']]);
            $category = Loader::model('DownloadCategory')->getRow($detail['cid']);
            if (empty($category)) {
                return exception('数据有误，请检查后再操作');
            }
            $prev_detail              = Loader::model('Download')->getRow(['id' => ['gt', $id], 'cid' => $category['id'], 'stat' => 0], ['id', 'name'], ['id' => 'asc']);
            $next_detail              = Loader::model('Download')->getRow(['id' => ['lt', $id], 'cid' => $category['id'], 'stat' => 0], ['id', 'name'], ['id' => 'desc']);
            $value                    = [
                'detail'      => $detail,
                //'adddownload' => $adddownload,
                'category'    => $category,
                'prev_detail' => $prev_detail,
                'next_detail' => $next_detail,
            ];
            $value['seo_title']       = $detail['seo_title'] ?: $detail['name'] . '-' . config('website_seo_title');
            $value['seo_keyword']     = $detail['seo_keyword'] ?: config('website_seo_keyword');
            $value['seo_description'] = $detail['seo_description'] ?: config('website_seo_description');
            $this->assign($value);
            $this->viewcount($id);
            return $this->fetch();
        } else {
            return exception('数据有误，请检查后再操作');
        }
    }

    public function download($id = 0, $bit = 0)
    {
        $id  = intval($id);
        $bit = intval($bit);

        if ($id > 0) {
            $detail = Loader::model('Download')->getRow($id);
            if (empty($detail)) {
                return exception('数据有误，请检查后再操作');
            }
            $docDir       = request()->server('DOCUMENT_ROOT');
            $rootDir      = request()->root();
            $directory    = $docDir . $rootDir;
            $downloadpath = explode(',', $detail['downloadpath']);
            //$downloadpath64 = explode(',', $detail['downloadpath64']);
            if (empty($downloadpath[$bit])) {
                return exception('数据有误，请检查后再操作');
            }

            
            $fileinfo = pathinfo($downloadpath[$bit]);
            $download = $directory . $downloadpath[$bit];   // 文件要下载的地址
            Loader::model('Download')->updateRow(['downloadcount' => \think\Db::raw('`downloadcount`+1')], ['id' => $id]);
            header('Content-type: application/octet-stream');
            header('Content-Disposition: attachment; filename=' . $fileinfo['basename']);
            header('Content-Length: ' . filesize($download));
            
            ob_clean();
            flush();
            
            readfile($download);
            exit();
        } else {
            return exception('数据有误，请检查后再操作');
        }
    }

    public function dlcount($id = 0)
    {
        $id = intval($id);
        if ($id > 0) {
            $download = Loader::model('Download')->getRow(['id' => $id], ['id', 'downloadcount']);
            if (empty($download)) {
                return $this->error('Error');
            }
            $download['downloadcount'] = $download['downloadcount'] + 1;
            $result                    = $download->save();
            if ($result) {
                return $this->success('Download', null, $download['downloadcount']);
            } else {
                return $this->error('Download Error');
            }
        }
        return $this->error('Error');
    }

    public function prodownload($id = 0)
    {
        if ($id > 0) {
            $detail = Loader::model('ProductDl')->getRow($id);
            if (empty($detail)) {
                return exception('数据有误，请检查后再操作');
            }
            $docDir    = request()->server('DOCUMENT_ROOT');
            $rootDir   = request()->root();
            $directory = $docDir . $rootDir;
            $fileinfo  = pathinfo($detail['dl_url']);
            $file      = $directory . $detail['dl_url'];   // 文件要下载的地址

            //在session里面存ip和id 查这个上次访问时间
            $ip   = $this->get_real_ip();
            $name = 'ip_' . $ip . '_' . $id;
            $time = time();
            $dl   = session($name);
            //如果没有则创建session
            if ($dl == '') {
                $dl = session($name, $time);
            }
            $a = 180 - (time() - $dl);
            if ($dl && time() - $dl < 180) {
                return $this->error('操作过于频繁，请' . $a . '秒后再试');
            }

            // echo $file, '<hr>';
            // var_dump(file_exists($file));echo '<hr>';
            // echo filesize($file), '<hr>';
            // echo 'Content-type: application/octet-stream', '<hr>';
            // echo 'Content-Disposition: attachment; filename=' . $fileinfo['basename'], '<hr>';
            // echo 'Content-Length: ' . filesize($file), '<hr>';
            // die;
            ini_set('memory_limit', '500M');
            set_time_limit(0);
            $dl = session($name, $time);
            Loader::model('ProductDl')->updateRow(['dl_count' => \think\Db::raw('`dl_count`+1')], ['id' => $id]);

            header('Content-type: application/octet-stream');
            header('Content-Disposition: attachment; filename=' . $fileinfo['basename']);
            header('Content-Length: ' . filesize($file));
            readfile($file);
            exit();
        } else {
            return exception('数据有误，请检查后再操作');
        }
    }

    protected function viewcount($id)
    {
        $view = Cookie::get('downloadview', 'history'); //print_r($history);exit;
        if (empty($view) || $view != $id) {
            Loader::model('Download')->where(['id' => $id])->setInc('viewcount');
            Cookie::set('downloadview', $id, ['prefix' => 'history', 'expire' => 3600]);
        }
    }

    protected function historydownload($id)
    {
        $download = Cookie::get('download', 'history'); //print_r($history);exit;
        if (isset($download) && !empty($download)) {
            $download_ids = explode(',', $download);
            if ($download_ids[0] != $id) {
                array_unshift($download_ids, $id);
                $download_ids = array_unique($download_ids);
                $num          = Config::get('history_number') > 0 ? Config::get('history_number') : 10;
                //$download_ids = array_slice($download_ids, 0, $num);
                while (count($download_ids) > $num) {
                    array_pop($download_ids);
                }
                Cookie::set('download', implode(',', $download_ids), ['prefix' => 'history', 'setcookie' => true, 'expire' => 3600 * 24 * 30]);
            }
        } else {
            Cookie::set('download', $id, ['prefix' => 'history', 'setcookie' => true, 'expire' => 3600 * 24 * 30]);
        }
    }

    public function catelists_down($id = 0)
    {
        //dump($id);die;
        $arg_where = ['a.siteid' => $this->siteid];
        if ($id > 0) {
            $arg_where['cid'] = $id;
            $category         = Loader::model('DownloadCategory')->getRow($id);
        }
        if (empty($category)) {
            return exception('数据有误，请检查后再操作');
        }
        
        $skeyword = $this->request->get('skeyword', '', 'urldecode,strval');
        if ($skeyword != '') {
            $skeyword = trim($skeyword);
            $search['skeyword'] = $skeyword;
            $arg_where['a.name|a.app_model'] = ['like', '%' . $search['skeyword'] . '%'];
            Config::set('paginate.query', ['skeyword' => $skeyword]); //分页参数
            $value['search'] = $search;
        }
       
        
        switch ($category['classtype']) {
            case 2:
                $template   = $category['templist'];
                $arg_order  = ['a.id' => 'desc'];
                $arg_field  = ['a.id', 'a.cid', 'a.name', 'a.sort', 'a.headline', 'a.ishot', 'a.recommend', 'a.app_model', 'a.support_os', 'a.format', 'a.viewcount', 'a.downloadcount', 'a.description', 'a.picture', 'a.tags', 'a.downloadpath', 'a.downloadpath64', 'a.createtime', 'c.id' => 'categoryid', 'c.name' => 'categoryname'];
                $dataObject = Loader::model('Download')->getCateDownloadLists($arg_where, $arg_order, $arg_field, 12);
                $value      = [
                    'list' => $dataObject->isEmpty() ? null : $dataObject->items(), //$dataObject->getCollection()->toArray()
                    'page' => $dataObject->render(),
                ];
                if ($this->request->isAjax()) {
                    return $this->result($value, true, '下载列表');
                }
                $downloadCategory          = Loader::model('DownloadCategory')->getList(['siteid' => $this->siteid, 'stat' => 0, 'pid' => 2], ['sort', 'id']);
                $value['downloadCategory'] = $downloadCategory;
                break;
            case 3:
                header('location:' . $category['url']);
                exit;
                break;
            default:
                $template = $category['tempindex'];
                break;
        }
        $value['skeyword']        = '';
        $value['category']        = $category;
        $value['seo_title']       = $category['seo_title'] ?: config('website_seo_title');
        $value['seo_keyword']     = $category['seo_keyword'] ?: config('website_seo_keyword');
        $value['seo_description'] = $category['seo_description'] ?: config('website_seo_description');
        $this->assign($value);
        return $this->fetch($template);
    }

    public function index($id = 0)
    {
        $arg_where = ['a.siteid' => $this->siteid];
        if ($id > 0) {
            $arg_where['cid'] = $id;
            $category         = Loader::model('DownloadCategory')->getRow($id);
        }
        if (empty($category)) {
            return exception('数据有误，请检查后再操作');
        }
        switch ($category['classtype']) {
            case 2:
                $template   = $category['templist'];
                $arg_order  = ['a.id' => 'desc'];
                $arg_field  = ['a.id', 'a.cid', 'a.name', 'a.sort', 'a.headline', 'a.ishot', 'a.recommend', 'a.app_model', 'a.support_os', 'a.format', 'a.viewcount', 'a.downloadcount', 'a.description', 'a.picture', 'a.tags', 'a.downloadpath', 'a.downloadpath64', 'a.createtime', 'c.id' => 'categoryid', 'c.name' => 'categoryname'];
                $dataObject = Loader::model('Download')->getCateDownloadLists($arg_where, $arg_order, $arg_field, 12);
                $value      = [
                    'list' => $dataObject->isEmpty() ? null : $dataObject->items(), //$dataObject->getCollection()->toArray()
                    'page' => $dataObject->render(),
                ];
                if ($this->request->isAjax()) {
                    return $this->result($value, true, '下载列表');
                }
                $downloadCategory          = Loader::model('DownloadCategory')->getList(['siteid' => $this->siteid, 'stat' => 0, 'pid' => 2], ['sort', 'id']);
                $value['downloadCategory'] = $downloadCategory;
                break;
            case 3:
                header('location:' . $category['url']);
                exit;
                break;
            default:
                $template = $category['tempindex'];
                break;
        }
        $value['skeyword']        = '';
        $value['category']        = $category;
        $value['seo_title']       = $category['seo_title'] ?: config('website_seo_title');
        $value['seo_keyword']     = $category['seo_keyword'] ?: config('website_seo_keyword');
        $value['seo_description'] = $category['seo_description'] ?: config('website_seo_description');
        $this->assign($value);
        return $this->fetch($template);
    }

    function get_real_ip()
    {
        $ip = false;
        if (!empty($_SERVER['HTTP_CLIENT_IP'])) {
            $ip = $_SERVER['HTTP_CLIENT_IP'];
        }
        if (!empty($_SERVER['HTTP_X_FORWARDED_FOR'])) {
            $ips = explode(', ', $_SERVER['HTTP_X_FORWARDED_FOR']);
            if ($ip) {
                array_unshift($ips, $ip);
                $ip = FALSE;
            }
            for ($i = 0; $i < count($ips); $i++) {
                if (!eregi('^(10│172.16│192.168).', $ips[$i])) {
                    $ip = $ips[$i];
                    break;
                }
            }
        }
        return ($ip ? $ip : $_SERVER['REMOTE_ADDR']);
    }

    public function dlsearch($id)
    {
        $where      = ['id' => $id];
        $view       = Loader::model('Download')->where($where)->find();
        $category   = Loader::model('DownloadCategory')->getRow();

        $this->assign('view',$view);
        $this->assign('category',$category);
        return $this->fetch();

    }
}