<?php

/**
 * process creating html tag parent class
 *
 * @author Hiroyuki Takai <watashitakai@gmail.com>
 * @since 2019/06/
 */

 namespace framework2\lib\html_view;

 use framework2\lib\html_view\CreateTagStr;
 use framework2\lib\html_view\HtmlDts;


    abstract class CreateHtml {

        const TEMPFILE_DIR = SYSROOT .'/'. APPNAME . '/views/mytemplate/';
        const VIEW_CACHE_DIR = self::TEMPFILE_DIR. "cache/";

        //replacement mark
        const TITLE = "#title#";
        const PAGE = "#id_name#";

        protected $templete;
        protected $title;
        protected $id_name; # for page id name
        private $parts_dts = array(array());


        /**
         * construct
         *
         * @param string temp_name  -->template file name without extension
         *        htmlDts dt
         */
        public function __construct(string $temp_name, htmlDts $dt)
        {
            try {
                if (!is_file(self::TEMPFILE_DIR .$temp_name.'.php')) {
                    $msg = 'can\'t read file: ' . $temp_name;
                    throw new BadRequestException($msg, BADREQUEST);
                }
            } catch(BadRequestException $e) {
                ErrorFunc::catchAfter($e);
            }

            $this->template = $temp_name;
            $this->title = $dt->getTitle();
            $this->id_name = $dt->getName();
            if (defined('NOCACHE')) {
                $this->cacheFree();
            }
            $this->parts_dts = $dt->getDts();   # third array demension
        }


        /**
          * cache free processing use uniq id name
          *
          * @return string
          */
        protected function cacheFree() : string
        {
        //但しAPPNAME/views/template dir/cacheのファイル数が増えてくるので注意。
            $this->id_name = date("His").$this->id_name;

            return $this->id_name;
        }


        /**
          * return template file path
          *
          * @return string file path
          */
        protected function retTempFilePath() : string
        {
            $path = self::TEMPFILE_DIR. $this->template. '.php';

            return $path;
        }


        /**
          * create cache file name
          *
          * @param string $path
          * @return string path
          */
        protected function createCacheFilename(string $path) : string
        {
            $file =  self::VIEW_CACHE_DIR .$this->id_name .sha1_file($path);

            return $file;
        }


        /**
         * get connect html parts data by block and build up for each block html statement
         *
         * @retrun array contents
         */
        public function getCreatehtmls() : array
        {
            $html_strs = $this->factory_createTagStr();
            $contents = array_fill(0, count($html_strs), null);

            for ($i=0; $i<count($html_strs); $i++) {
                for ($j=0; $j<count($html_strs[$i]); $j++) {
                    if (!empty($html_strs[$i][$j])) {
                        $contents[$i] = $contents[$i].$html_strs[$i][$j];
                    }
                }
            }
            return $contents;
        }


        /**
         * createTagStr object factory and get html parts
         *
         * @param array dts
         * @return third demension array of html parts
         */
        public function factory_createTagStr (array $dts=null) : array
        {
            if (empty($dts)) {
                $obj = new CreateTagStr($this->parts_dts);
            } else {
                $obj = new CreateTagStr ($dts);  # for append
            }

            return  $obj->create_htmlstr();
        }


        /**
         * it is necesary to define child class that is inheritance used this class
         */
        abstract function view();

    }