<?php
/**
 * Created by Vim
 * User: lcc
 * Date: 2021/07/12
 * Time: 16:49
 */

defined('BASEPATH') OR exit('No direct script access allowed');
use mikehaertl\pdftk\Pdf;

class Pdftk {

    private $is_dev = false;
    private $api_url = 'https://api.liche.cn/';
    public function __construct(){
        if (false !== strpos($_SERVER['HTTP_HOST'], 'dev')) {//dev
            $this->is_dev = true;
            $this->dev_api_url = 'https://liche-api-dev.xiaoyu.com/';
        }
    }
    
    /**
     * pdf文件表单域填充
     * @param $pdf_path   string  pdf文件地址
     * @param $save_path   string  填充后文件保存路径
     * @param $fill_data  array   填充域对应内容['field'=>'text']
     * @return array
     */
    public function fill_pdf($pdf_path,$save_path,$fill_data){
        $pdf_path = FCPATH.$pdf_path;
        $save_path = FCPATH.$save_path;
        if($this->is_dev){
            $ci = & get_instance(); 
            $ci->load->library('mycurl');
            $file_name = str_replace(FCPATH,"",$pdf_path);
            $p_data = [
                'file_url' => $this->dev_api_url.$file_name,
                'fill_data' => json_encode($fill_data)
            ];
            $result = $ci->mycurl->httpPost($this->api_url.'pdfapi/fill_pdf',$p_data);
            $resdata = json_decode($result,true);
            $opt = false;
            $data = [];
            if($resdata['code'] && $resdata['data']['file_path']){
                $save_path_arr = explode('/',$save_path);
                array_pop($save_path_arr);
                $tmp_path = implode('/',$save_path_arr);
                if (!file_exists($tmp_path)) {
                    $oldumask = umask(0);
                    mkdir($tmp_path, 0777, true);
                    umask($oldumask);
                }
                $arrContextOptions = [
                    "ssl" => [
                        "verify_peer"=>false,
                        "verify_peer_name"=>false,
                    ],
                        
                ];
                $file = file_get_contents($resdata['data']['file_path'],false,stream_context_create($arrContextOptions));
                file_put_contents($save_path, $file);
                if(file_exists($save_path)){
                    $opt = true;
                    $data['file_path'] = str_replace(FCPATH,'',$save_path);
                }
            }
            if($opt){
                return ['code'=>1,'msg'=>'保存成功','data' => $data];
            }else{
                return ['code'=>0,'msg'=>'保存失败'];
            }
        }else{
            $pdf = new Pdf($pdf_path);
            $result = $pdf->fillForm($fill_data)->needAppearances()->saveAs($save_path);
            if ($result === false) {
                return ['code'=>0,'msg'=>$pdf->getError()];
            }else{
                $data['file_path'] = $save_path;
                return ['code'=>1,'msg'=>'保存成功',$data];
            }
        
        }
    }

    /**
     * e签宝填充pdf表单域
     * @param $pdf_path
     * @param $save_path
     * @param $fill_data
     * @return array
     */
    public function esign_fill_pdf($pdf_path,$save_path,$fill_data){
        $pdf_path = FCPATH.$pdf_path;
        $save_path = FCPATH.$save_path;
        require_once COMMPATH."/third_party/esign/eSignOpenAPI.php";
        try {
            $sign = new \tech\core\eSign();
            $iRet = $sign->init();
            if (0 !== $iRet) {
                dir('初始化失败');
                return ['code' => 0 ,'msg' => '初始化失败'];
            }
            $tmpFile=array(
                'srcFileUrl' =>$pdf_path,
                'dstFileUrl' => ''
            );
            $ret = $sign->createFromTemplate($tmpFile,true,$fill_data,true);
            if($ret['errCode']!==0){
                return ['code' => 0 ,'msg' => $ret['msg']];
            }
            $save_path_arr = explode('/',$save_path);
            array_pop($save_path_arr);
            $tmp_path = implode('/',$save_path_arr);
            if (!file_exists($tmp_path)) {
                $oldumask = umask(0);
                mkdir($tmp_path, 0777, true);
                umask($oldumask);
            }
            file_put_contents($save_path, base64_decode($ret['stream']), true);
            if(file_exists($save_path)){
                $data['file_path'] = str_replace(FCPATH,'',$save_path);
                return ['code' => 1 ,'msg'=>'保存成功','data' => $data];
            }else{
                return ['code' => 0 ,'msg' => '保存失败'];
            }
        } catch (Exception $e) {
            return ['code' => 0 ,'msg' => '初始化出错:'.$e->getMessage()];
        }
    }
}