<?php// +----------------------------------------------------------------------
// | 宏驰云科技开发团队 版权所有 拥有最终解释权
// +----------------------------------------------------------------------

// | Author: HcyShop-松鼠
// +----------------------------------------------------------------------


namespace app\admin\logic;


use think\Db;
use Requests;
use think\Exception;
use think\facade\Cache;
use think\facade\Log;

class UpgradeLogic
{

    protected static $base_url = 'https://shop.likemarket.net';

    /**
     * Notes: 版本列表
     * @param $page_no
     * @param $page_size
     * @author 竹
     * @return array
     */
    public static function index($page_no, $page_size)
    {
        $lists = self::getRemoteVersion($page_no, $page_size) ?? [];
        if (empty($lists)) {
            return ['count' => 0, 'lists' => []];
        }

        $local_data = local_version();
        $local_version = $local_data['version'];

        foreach ($lists as $k => $item) {

            $lists[$k]['version_str'] = '';
            $lists[$k]['able_update'] = 0;
            if ($local_version == $item['version_no']) {
                $lists[$k]['version_str'] = '您的系统当前处于此版本';
            }

            if ($local_version < $item['version_no']) {
                $lists[$k]['version_str'] = '系统可更新至此版本';
                $lists[$k]['able_update'] = 1;
            }

            //最新的版本号标志
            $lists[$k]['new_version'] = 0;
            $lists[0]['new_version'] = 1;

            //注意,是否需要重新发布描述
            $lists[$k]['notice'] = '';
            if ($item['is_republish'] == 1) {
                $lists[$k]['notice'] = '更新至当前版本后需重新发布前端商城';
            }

            //处理更新内容信息
            $contents = $item['update_content'];
            $add = [];
            $optimize = [];
            $repair = [];
            if (!empty($contents)) {
                foreach ($contents as $content) {
                    if ($content['type'] == 1) {
                        $add[] = '新增:'.$content['update_function'];
                    }
                    if ($content['type'] == 2) {
                        $optimize[] = '优化:'.$content['update_function'];
                    }
                    if ($content['type'] == 3) {
                        $repair[] = '修复:'.$content['update_function'];
                    }
                }
            }
            $lists[$k]['add'] = $add;
            $lists[$k]['optimize'] = $optimize;
            $lists[$k]['repair'] = $repair;
            unset($lists[$k]['update_content']);
        }

        return ['count' => count($lists), 'lists' => $lists];
    }


    /**
     * Notes: 获取远程数据
     * @param string $page_no
     * @param string $page_size
     * @author 竹
     * @return mixed
     */
    public static function getRemoteVersion($page_no = '', $page_size = '')
    {
        $cache_version = Cache::get('version_lists');
        if (!empty($cache_version)) {
            return $cache_version;
        }

        if (empty($page_no) || empty($page_size)) {
            $remote_url =  self::$base_url."/api/version/lists?type=2";
        } else {
            $remote_url = self::$base_url."/api/version/lists?type=2&page_no=$page_no&page_size=$page_size";
        }
        $result = Requests::get($remote_url);
        $result = json_decode($result->body, true);
        $result = $result['data'] ?? [];
        Cache::set('version_lists', $result, 1800);
        return $result;
    }


    /**
     * Notes: 更新主程序
     * @param $version
     * @return bool|string
     * @author 竹
     */
    public static function upgrade($post)
    {
        $post['update_type'] = 1;
        Db::startTrans();
        try {
            //修改旧数据
            self::handleOldData();

            //要更新的版本
            $version = $post['version_no'];
            //远程下载链接
            $remote_url = $post['package_link'];
            // 本地更新路径
            $local_upgrade_dir = ROOT_PATH . '/upgrade/';
            // 本地更新包路径
            $path = ROOT_PATH . '/upgrade/';
            // 本地更新临时文件
            $temp_dir = $path . 'temp/';

            if (!is_dir($path)) {
                mkdir(iconv("UTF-8", "GBK", $path), 0777, true);
            }

            //下载更新压缩包保存到本地
            $remote_data = self::downFile($remote_url, $local_upgrade_dir);
            if (false === $remote_data) {
                throw new Exception('获取文件错误');
            }

            //解压缩
            if (false === unzip($remote_data['save_path'], $temp_dir)) {
                throw new Exception('解压文件错误');
            }

            //更新sql
            if (false === self::upgradeSql($temp_dir . 'sql/')) {
                throw new Exception('更新数据库失败');
            }

            //更新文件
            if (false === self::upgradeDir($temp_dir . 'project/', self::getProjectPath())) {
                throw new Exception('更新文件失败');
            }

            //更新本地版本号文件
            $upgrade_data = ['version' => $version];
            if (false === self::upgradeVersion($upgrade_data)) {
                throw new Exception('本地更新日志写入失败');
            }

            //删除临时文件(压缩包不删除,删除解压的文件)
            if (false === del_target_dir($temp_dir, true)) {
                Log::write('删除临时文件失败');
            }

            Db::commit();
            //增加日志
            self::addlog($post);
            return true;

        } catch (Exception $e) {

            Db::rollback();
            //错误日志
            $post['error'] = $e->getMessage();
            self::addlog($post, false);

            //删除临时文件(压缩包不删除,删除解压的文件)
            if (false === del_target_dir($temp_dir, true)) {
                Log::write('删除临时文件失败');
            }
            return $e->getMessage();
        }
    }


    /**
     * Notes: 添加日志
     * @param $data
     * @param bool $status
     * @author 竹
     * @return bool|\Requests_Response
     */
    public static function addlog($data, $status = true)
    {
        $log_msg = json_encode($data, JSON_UNESCAPED_UNICODE);
        Log::write('更新日志:'.$log_msg);

        try{
            $data = [
                'version_id' => $data['id'],
                'version_no' => $data['version_no'],
                'ip_address' => get_client_ip(),
                'domain' => request()->domain(),
                'type' => 2,
                'update_type' => $data['update_type'],
                'status' => $status ? 1 : 0,
                'error' => $data['error'] ?? '未知错误'
            ];
            $request_url = self::$base_url.'/api/version/log';
            return Requests::post($request_url, [], $data);
        } catch(\Exception $e) {
            Log::write('更新日志添加失败:'.$e->getMessage());
            return false;
        }
    }


    /**
     * Notes: 下载压缩包
     * @param $url
     * @param string $savePath
     * @return array|bool
     * @author 竹
     */
    public static function downFile($url, $savePath = './upgrade/')
    {
        $ch = curl_init();
        curl_setopt($ch, CURLOPT_URL, $url);
        curl_setopt($ch, CURLOPT_RETURNTRANSFER, 1);
        curl_setopt($ch, CURLOPT_HEADER, TRUE);  //需要response header
        curl_setopt($ch, CURLOPT_NOBODY, FALSE);  //需要response body
        curl_setopt($ch, CURLOPT_SSL_VERIFYPEER, false);
        $response = curl_exec($ch);
        $header = '';
        $body = '';
        if (curl_getinfo($ch, CURLINFO_HTTP_CODE) == '200') {
            $headerSize = curl_getinfo($ch, CURLINFO_HEADER_SIZE); //头信息size
            $header = substr($response, 0, $headerSize);
            $body = substr($response, $headerSize);
        }
        curl_close($ch);
        //文件名
        $fullName = basename($url);
        //文件保存完整路径
        $savePath = $savePath . $fullName;
        //创建目录并设置权限
        $basePath = dirname($savePath);
        if (!file_exists($basePath)) {
            @mkdir($basePath, 0777, true);
            @chmod($basePath, 0777);
        }
        if (file_put_contents($savePath, $body)) {
            return [
                'save_path' => $savePath,
                'file_name' => $fullName,
            ];
        }
        return false;
    }

    /**
     * Notes: 获取项目路径
     * @return string
     * @author 竹
     */
    public static function getProjectPath()
    {
        $path = dirname(ROOT_PATH);
        $path = trim(str_replace('server', '', $path));
        return $path;
    }


    /**
     * Notes: 执行指定文件夹内的sql文件
     * @param $dir
     * @return bool
     * @author 竹
     */
    public static function upgradeSql($dir)
    {
        //遍历指定目录下的指定后缀文件
        $sql_files = get_scandir($dir, '', 'sql');

        if (false === $sql_files) {
            return false;
        }

        //当前数据库前缀
        $sql_prefix = config('database.prefix');

        //遍历更新sql
        foreach ($sql_files as $k => $sql_file) {
            if (get_extension($sql_file) != 'sql') {
                continue;
            }
            $sql_content = file_get_contents($dir . $sql_file);
            if (empty($sql_content)) {
                continue;
            }
            $sqls = explode(';', $sql_content);
            //执行sql
            foreach ($sqls as $sql) {
                if (!empty($sql)) {
                    $sql = str_replace('`ls_', '`' . $sql_prefix, $sql);
                    Db::execute($sql . ';');
                }
            }
        }
        return true;
    }


    /**
     * Notes: 更新文件
     * @param $temp_file //临时更新文件路径 (新的更新文件)
     * @param $old_file //需要更新的文件路囧 (旧的文件)
     * @author 竹
     * @return array|bool
     */
    public static function upgradeDir($temp_file, $old_file)
    {
        if (!file_exists($temp_file)) {
            return [];
        }

        if (empty(trim($temp_file)) || empty(trim($old_file))) {
            return false;
        }

        // 目录不存在就新建
        if (!is_dir($old_file)) {
            mkdir($old_file, 0777, true);
        }

        foreach (glob($temp_file . '*') as $file_name) {
            // 要处理的是目录时,递归处理文件目录。
            if (is_dir($file_name)) {
                self::upgradeDir($file_name . '/', $old_file . basename($file_name) . '/');
            }
            // 要处理的是文件时,判断是否存在 或者 与原来文件不一致 则覆盖
            if (is_file($file_name)) {
                if (!file_exists($old_file . basename($file_name))
                    || md5(file_get_contents($file_name)) != md5(file_get_contents($old_file . basename($file_name)))
                ) {
                    copy($file_name, $old_file . basename($file_name));
                }
            }
        }
        return true;
    }


    /**
     * Notes: 更新本地版本号
     * @param $data
     * @return bool
     * @author 竹
     */
    public static function upgradeVersion($data)
    {
        $version = './upgrade/version.json';
        $res = file_put_contents($version, json_encode($data, JSON_UNESCAPED_UNICODE));
        if (empty($res)) {
            return false;
        }
        return true;
    }


    /**
     * Notes: 修改旧数据
     * @author 竹
     * @throws Exception
     * @throws \think\db\exception\DataNotFoundException
     * @throws \think\db\exception\ModelNotFoundException
     * @throws \think\exception\DbException
     * @throws \think\exception\PDOException
     */
    public static function handleOldData()
    {
        try {
            //修改旧活动专区错误
            $temp = [];
            $count = 0;
            $lists = Db::name('activity_goods')->where(['del' => 0])->select();

            foreach ($lists as $k => $v) {
                $temp_key = $v['goods_id'].'_'.$v['activity_id'];
                if (in_array($temp_key, $temp)) {
                    Db::name('activity_goods')
                        ->where(['del' => 0, 'id' => $v['id']])
                        ->update(['del' => 1]);
                    $count += 1;
                } else {
                    $temp[] = $temp_key;
                }
            }
            if ($count > 0) {
                Log::write('处理活动专区错误,删除'.$count.'数据');
            }


            // 更新file_cate表中type=null值的旧记录
            $handle_file = Db::name('file_cate')->whereNull('type')->update(['type' => 1]);
            if ($handle_file) {
                Log::write('更新file_cate表中type=null值的旧记录');
            }

        } catch (\Exception $e) {
            Log::write('修改旧数据错误:'.$e->getMessage());
        }
    }

}