<?php

namespace app\api\controller;
use app\api\controller\Base;
use think\Db;
/**
 * @title 文章正文内容处理
 */
class Articlemain extends Base
{


    public function __construct(\think\Request $request = null) {
        parent::__construct($request);
    }

    /**
     * 上传表格图片
     */
    public function uploadTableImage(){

            //获取参数
            $aParam = $this->request->post();

            //文章ID
            $iArticleId = empty($aParam['article_id']) ? 0 : $aParam['article_id'];
            if(empty($iArticleId)){
                return json_encode(array('status' => 2,'msg' => 'Please select an article' ));
            }
            //上传文件域
            $file = $this->request->file('file_name');
            if (empty($file)) {
                return json_encode(array('status' => 2,'msg' => 'No uploaded file was obtained'));
            }
            //查询文章信息
            $aWhere = ['article_id' => $iArticleId];
            $aArticle = Db::name('article')->field('article_id')->where($aWhere)->find();
            if(empty($aArticle)){
                return json_encode(array('status' => 3,'msg' => 'The article does not exist' ));
            }
            //验证文件（类型/大小）
            $validate = [
                'size' => 1024000, // 限制1M以内
                // 'ext'  => 'jpg,jpeg,png,gif' // 允许的后缀
            ];
            $fileValid = $file->validate($validate);
            if (!$fileValid) {
                $errorMsg = $file->getError();
                return json_encode(['status' => 3, 'msg' => 'Format/size validation failed:' . $errorMsg]);
            }

            //图片名后缀
            $ext = $file->getExtension();
            if (empty($ext)) {
                // 获取文件真实MIME类型（复制粘贴的图片也能识别）
                $mime = $file->getMime();
                // MIME类型与后缀的映射表（覆盖常见图片类型）
                $mimeExtMap = [
                    // 基础图片格式
                    'image/jpeg'      => 'jpg',
                    'image/jpg'       => 'jpg',    // 兼容简写
                    'image/png'       => 'png',
                    'image/gif'       => 'gif',
                    'image/bmp'       => 'bmp',
                    'image/x-bmp'     => 'bmp',   // 兼容Windows bmp
                    // 扩展图片格式
                    'image/webp'      => 'webp',   // 网页常用
                    'image/tiff'      => 'tiff',
                    'image/x-tiff'    => 'tiff',
                    'image/svg+xml'   => 'svg',    // 矢量图
                    'image/heic'      => 'heic',   // 苹果图片格式
                    'image/heif'      => 'heif',
                    'image/avif'      => 'avif',   // 高效压缩图
                    // 特殊图片格式
                    'image/x-icon'    => 'ico',    // 图标
                    'image/vnd.microsoft.icon' => 'ico',
                ];
                $ext = $mimeExtMap[$mime] ?? '';
            }
            $ext = empty($ext) ? 'png' : $ext;
            //组装新的图片名
            $sFileName = md5(uniqid(mt_rand(), true)) . '.' . $ext;

            //保存文件
            $sImagePath = rtrim(ROOT_PATH,'/') . '/public' . DS . 'articleTableImage' . DS . $iArticleId;
            if (!is_dir($sImagePath)) {
                mkdir($sImagePath, 0777, true);
            }
            $sImageName = $fileValid->move($sImagePath,$sFileName);
            if (!$sImageName) {
                return json_encode(['status' => 4, 'msg' => $fileValid->getError()]);
            }

            //返回图片路径
            return json_encode(['status' => 1, 'msg' => 'Upload successful','data' => $iArticleId .DS.$sFileName]);
    }

   /**
     * 获取正文内容里删除图片
     */
    public function removeMainImage(){

        //获取参数
        $aParam = $this->request->post();

        //文章ID
        $iArticleId = empty($aParam['article_id']) ? 0 : $aParam['article_id'];
        if(empty($iArticleId)){
            return json_encode(array('status' => 2,'msg' => 'Please select an article' ));
        }
        //图片ID
        $iAmiId = empty($aParam['ami_id']) ? 0 : $aParam['ami_id'];
        if(empty($iAmiId)){
            return json_encode(array('status' => 2,'msg' => 'Please select the image ID to query'));
        }
        //查询文章信息
        $aWhere = ['article_id' => $iArticleId];
        $aArticle = Db::name('article')->field('article_id')->where($aWhere)->find();
        if(empty($aArticle)){
            return json_encode(array('status' => 3,'msg' => 'The article does not exist' ));
        }
        //查询图片信息
        $aWhere = ['ami_id' => $iAmiId,'state' => 0,'article_id' => $iArticleId];
        $aMainImage = Db::name('article_main_image')->field('ami_id')->where($aWhere)->find();
        if(empty($aMainImage)){
            return json_encode(array('status' => 4,'msg' => 'Article image information does not exist' ));
        }
        //获取正文内容
        $aWhere = ['article_id' => $iArticleId,'type' => ['in',[0,1]],'state' => 0,'is_h1' => ['<>',1],'is_h2' => ['<>',1],'is_h3' => ['<>',1]];
        $aArticleMain = Db::name('article_main')->field('am_id,content,type,ami_id')->where($aWhere)->order('sort asc')->select();

        $iBindImage = 2;
        if(!empty($aArticleMain)){//验证正文内容是否绑定该图片
            //数据处理
            foreach ($aArticleMain as $key => $value) {
                $sContent = empty($value['content']) ? '' : trim($value['content']);
                if(empty($sContent)){
                    continue;
                }
                if(!empty($iAmiId)){
                    if($value['type'] == 1 && $value['ami_id'] == $iAmiId){
                        $iBindImage = 1;
                        break;
                    }
                    if($value['type'] == 0){
                        $result = $this->hasProcessedTagWithId($value['content'],$iAmiId);
                        if($result == 1){
                            $iBindImage = 1;
                            break;
                        }
                    }
                }
            }
        }
        if($iBindImage == 1){
            return json_encode(array('status' => 5,'msg' => 'The main content has been bound to this image and cannot be deleted' ));
        }
        //删除图片
        $aWhere = ['ami_id' => $iAmiId];
        $aUpdate = ['state' => 1];
        $result = Db::name('article_main_image')->where($aWhere)->limit(1)->update($aUpdate);
        if($result === false){
            return json_encode(array('status' => 6,'msg' => 'Image deletion failed' ));
        }
        //返回数据
        return json_encode(array('status' => 1,'msg' => 'Image deleted successfully'));
    }
    /**
     * 获取正文内容里删除表格
     */
    public function removeMainTable(){

        //获取参数
        $aParam = $this->request->post();

        //文章ID
        $iArticleId = empty($aParam['article_id']) ? 0 : $aParam['article_id'];
        if(empty($iArticleId)){
            return json_encode(array('status' => 2,'msg' => 'Please select an article' ));
        }
        //表格ID
        $iAmtId = empty($aParam['amt_id']) ? 0 : $aParam['amt_id'];
        if(empty($iAmtId)){
            return json_encode(array('status' => 2,'msg' => 'Please select the table ID to query'));
        }
        //查询文章信息
        $aWhere = ['article_id' => $iArticleId];
        $aArticle = Db::name('article')->field('article_id')->where($aWhere)->find();
        if(empty($aArticle)){
            return json_encode(array('status' => 3,'msg' => 'The article does not exist' ));
        }
        //查询表格信息
        $aWhere = ['amt_id' => $iAmtId,'state' => 0,'article_id' => $iArticleId];
        $aMainTable = Db::name('article_main_table')->field('amt_id')->where($aWhere)->find();
        if(empty($aMainTable)){
            return json_encode(array('status' => 4,'msg' => 'Article table information does not exist' ));
        }

        //获取正文内容
        $aWhere = ['article_id' => $iArticleId,'type' => ['in',[0,2]],'state' => 0,'is_h1' => ['<>',1],'is_h2' => ['<>',1],'is_h3' => ['<>',1]];
        $aArticleMain = Db::name('article_main')->field('am_id,content,type,amt_id')->where($aWhere)->order('sort asc')->select();
        //数据处理-验证正文是否绑定表格
        $iBindTable = 2;
        if(!empty($aArticleMain)){
            foreach ($aArticleMain as $key => $value) {
                $sContent = empty($value['content']) ? '' : trim($value['content']);
                if(empty($sContent)){
                    continue;
                }
                if($value['type'] == 2 && $value['amt_id'] == $iAmtId){
                    $iBindTable = 1;
                    break;
                }
                if($value['type'] == 0){
                    $result = $this->hasProcessedTagWithId($value['content'],$iAmtId,'mytable');
                    if($result == 1){
                        $iBindTable = 1;
                        break;
                    }
                }
            }
        }
        if($iBindTable == 1){
            return json_encode(array('status' => 5,'msg' => 'The main content is already bound to this table and cannot be deleted' ));
        }
        //删除表格
        $aWhere = ['amt_id' => $iAmtId];
        $aUpdate = ['state' => 1];
        $result = Db::name('article_main_table')->where($aWhere)->limit(1)->update($aUpdate);
        if($result === false){
            return json_encode(array('status' => 6,'msg' => 'Table deletion failed' ));
        }
        //返回数据
        return json_encode(array('status' => 1,'msg' => 'Table deleted successfully'));
    }
    /**
     * 验证是否存在
     */
    public function hasProcessedTagWithId($content = '', $primaryId = 0, $sLable = 'myfigure') {
        if(empty($content) || empty($primaryId)){
            return 2;
        }
        $escapedTagName = preg_quote($sLable, '/');
        $escapedId = preg_quote($primaryId, '/');

        // 优化后的正则表达式
        $pattern = "/<{$escapedTagName}\s+data-id\s*=\s*['\"]{$escapedId}['\"]\s*>(.*?)<\/{$escapedTagName}>/i";

        // 执行匹配
        if (!preg_match($pattern, $content, $matches)) {
            return 3;
        } 
        return 1;
    }
    /**
     * 获取文章关联的图片
     */
    public function getArticleMainImage(){
         //获取参数
        $aParam = $this->request->post();

        //文章ID
        $iArticleId = empty($aParam['article_id']) ? 0 : $aParam['article_id'];
        if(empty($iArticleId)){
            return json_encode(array('status' => 2,'msg' => 'Please select an article' ));
        }
        //查询文章信息
        $aWhere = ['article_id' => $iArticleId];
        $aArticle = Db::name('article')->field('article_id')->where($aWhere)->find();
        if(empty($aArticle)){
            return json_encode(array('status' => 3,'msg' => 'The article does not exist' ));
        }
        //查询图片信息
        $aWhere = ['state' => 0,'article_id' => $iArticleId];
        $aMainImage = Db::name('article_main_image')->field('ami_id,title')->where($aWhere)->select();
        return json_encode(array('status' => 1,'msg' => 'success','data' => $aMainImage));
    }
    /**
     * 获取文章关联的表格
     */
    public function getArticleMainTable(){
         //获取参数
        $aParam = $this->request->post();

        //文章ID
        $iArticleId = empty($aParam['article_id']) ? 0 : $aParam['article_id'];
        if(empty($iArticleId)){
            return json_encode(array('status' => 2,'msg' => 'Please select an article' ));
        }
        //查询文章信息
        $aWhere = ['article_id' => $iArticleId];
        $aArticle = Db::name('article')->field('article_id')->where($aWhere)->find();
        if(empty($aArticle)){
            return json_encode(array('status' => 3,'msg' => 'The article does not exist' ));
        }
        //查询表格信息
        $aWhere = ['state' => 0,'article_id' => $iArticleId];
        $aMainTable = Db::name('article_main_table')->field('amt_id,title')->where($aWhere)->order('amt_id asc')->select();
        return json_encode(array('status' => 1,'msg' => 'success','data' => $aMainTable));
    }
    /**
     * 获取文章关联图片的详细信息
     */
    public function getMainImageInfo(){
         //获取参数
        $aParam = $this->request->post();

        //文章ID
        $iArticleId = empty($aParam['article_id']) ? 0 : $aParam['article_id'];
        if(empty($iArticleId)){
            return json_encode(array('status' => 2,'msg' => 'Please select an article' ));
        }
        //图片ID
        $iAmiId = empty($aParam['ami_id']) ? 0 : $aParam['ami_id'];
        if(empty($iAmiId)){
            return json_encode(array('status' => 2,'msg' => 'Please select the image ID to query'));
        }
        //查询文章信息
        $aWhere = ['article_id' => $iArticleId];
        $aArticle = Db::name('article')->field('article_id')->where($aWhere)->find();
        if(empty($aArticle)){
            return json_encode(array('status' => 3,'msg' => 'The article does not exist' ));
        }
        //查询图片信息
        $aWhere = ['state' => 0,'article_id' => $iArticleId,'ami_id' => $iAmiId];
        $aMainImage = Db::name('article_main_image')->field('ami_id,title,url,note')->where($aWhere)->find();
        return json_encode(array('status' => 1,'msg' => 'success','data' => $aMainImage));
    }
    /**
     * 获取文章关联表格的详细信息
     */
    public function getMainTableInfo(){
         //获取参数
        $aParam = $this->request->post();

        //文章ID
        $iArticleId = empty($aParam['article_id']) ? 0 : $aParam['article_id'];
        if(empty($iArticleId)){
            return json_encode(array('status' => 2,'msg' => 'Please select an article' ));
        }
        //表格ID
        $iAmtId = empty($aParam['amt_id']) ? 0 : $aParam['amt_id'];
        if(empty($iAmtId)){
            return json_encode(array('status' => 2,'msg' => 'Please select the table ID to query'));
        }
        //查询文章信息
        $aWhere = ['article_id' => $iArticleId];
        $aArticle = Db::name('article')->field('article_id')->where($aWhere)->find();
        if(empty($aArticle)){
            return json_encode(array('status' => 3,'msg' => 'The article does not exist' ));
        }
        //查询表格信息
        $aWhere = ['state' => 0,'article_id' => $iArticleId,'amt_id' => $iAmtId];
        $aMainTable = Db::name('article_main_table')->field('amt_id,type,table_data,url,title,note')->where($aWhere)->find();
        return json_encode(array('status' => 1,'msg' => 'success','data' => $aMainTable));
    }
}