const multer = require('multer');
const path = require('path');

const imageStorage = multer.diskStorage({
    // Destination to store image     
    destination: 'assets/images', 
        filename: (req, file, cb) => {
            // let filename=file.originalname.split(".")[0];
            // cb(null, filename + '_' + Date.now() + path.extname(file.originalname))
            cb(null, file.originalname)
            // file.fieldname is name of the field (image)
            // path.extname get the uploaded file extension
    }
});
const imageUpload = multer({
    storage: imageStorage,
    limits: {
        fileSize: 1500000 // 1000000 Bytes = 1 MB
    },
    fileFilter(req, file, cb) {
        if (!file.originalname.match(/\.(png|jpg)$/)) { 
            // upload only png and jpg format
            return cb(new Error('Please upload a Image'))
        }
    //  cb(undefined, true)
        cb(null, true)
    }
}).single("attendancefile");

module.exports = (req, res, next) => {
    try {
        // console.log(req);
        imageUpload(req,res,next, function(err){
            try {
                if (err){
                    console.log(err);
                    res.status(400).send({
                        "success":false,
                        "message" : JSON.stringify(err),
                        "data" :[]
                    });
                } else {
                    console.log('The filename is ' + res.req.file.filename);
                    // req.append("filename",res.req.file.filename);  
                    // req.body.attendancefile=res.req.file.filename;
                }
                next();       
            } catch (error) {
                console.log("error "+error);
            }                
        });
        
    } catch (error) {
        console.log(error);
        error.message = error.message;
        error.statusCode = 500;
        throw error;
    }
    

}