const multer = require('multer');

const path = require('path');
var imageStorage = multer.diskStorage({
    // Destination to store image     
    // destination: 'assets/images/'+pathDir, 
    destination: (req, file, cb) => {
        // console.log(req.get("path"));
        // let pathdir = req.get("path");
        cb(null, "assets/bast/pdf/")
        // cb(null, "assets/words/" + pathdir + "/")
    }, 
    filename : (req, file, cb) => {
        // let filename=file.originalname.split(".")[0];
        let nik = req.nik;
        let filedoc = 'bast_'+nik+'_' + Date.now() + path.extname(file.originalname);
        // req.body.filedoc = filedoc;
        // cb(null, filedoc);
        req.body.filename = filedoc;
        cb(null, filedoc);
        // file.fieldname is name of the field (image)
        // path.extname get the uploaded file extension
    }
});
var imageUpload = multer({
    storage: imageStorage,
    limits: {
        fileSize: '5mb'  // 1000000 Bytes = 5 MB
    },
    fileFilter(req, file, cb) {
        // if (!file.originalname.match(/\.(png|jpg|pdf)$/)) { 
        // if (!file.originalname.match(/\.(docx|pdf)$/)) { 
        if (!file.originalname.match(/\.(pdf)$/)) { 
            // upload only png and jpg format
            req.fileValidationError = "Please upload a word document in ( docx ) max 5 mb";
            cb(new Error('Please upload a word document in ( docx ) max 5 mb'), false);             
        }
        else{                
            cb(null, true);
        }
    }
}).single("file-doc");
module.exports = (req, res, next) => {
    try {        
        imageUpload(req,res, function(err){
            try {
                
                // if (err || err instanceof multer.MulterError){
                if (err){
                    
                    res.status(500).send({
                        "meta":{
                            "auth": false,
                            "code" : 500,
                            "message" : req.fileValidationError || err.toString(),
                        },                        
                        "data" :[]
                    });
                } else {
                    next();
                    // console.log('The filename is ' + res.req.file.filename);
                }
                       
            } catch (error) {
                console.log("error "+error);
            }                
        });
        
    } catch (error) {
        console.log("error " + error);
        error.message = error.message;
        error.statusCode = 500;
        throw error;
    }    
}