const express = require("express");
const path = require("path");
const routes = require("./views/routes");
const fileUpload = require("express-fileupload");
const fs = require("fs");

const port = 3000;

// Init App
const app = express();
app.use(fileUpload());
app.set("view engine", "pug");
// Static Files
app.use(express.static("public"));
app.use("/css", express.static(__dirname + "public/css "));
app.use("/js", express.static(__dirname + "public/js "));
app.use("/img", express.static(__dirname + "public/img "));

app.get("/", function (req, res) {
  res.render("index", routes);
});
app.get("/flasher", function (req, res) {
  res.render("flasher", routes);
});
app.get("/p_generator", function (req, res) {
  res.render("p_generator", routes);
});
app.get("/pcb_panel_bom", function (req, res) {
  res.render("pcb_panel_bom", routes);
});
app.get("/invoice_sign", function (req, res) {
  let lastFiles = [];
  const dir = fs.opendirSync("./uploads/converted/");
  let entity;
  while ((entity = dir.readSync()) !== null) {
    if (entity.isFile()) {
      lastFiles.push({ type: "f", name: entity.name });
    } else if (entity.isDirectory()) {
      lastFiles.push({ type: "d", name: entity.name });
    }
  }
  console.log(lastFiles);
  res.render("invoice_sign", { routes, lastFiles });
});

//Post the upload file
// For handling the upload request
app.post("/invoice_sign", function (req, res) {
  // When a file has been uploaded
  if (req.files && Object.keys(req.files).length !== 0) {
    // Uploaded path
    const uploadedFile = req.files.uploadFile;

    // Logging uploading file
    console.log(uploadedFile);

    // Upload path
    const uploadPath = __dirname + "/uploads/" + uploadedFile.name;

    // To save the file using mv() function
    uploadedFile.mv(uploadPath, function (err) {
      if (err) {
        console.log(err);
        res.send("Failed !!");
      } else res.send("Successfully Uploaded !!");
    });
  } else res.send("No file uploaded !!");
});

// To handle the download file request
app.get("/invoice_sign/download", function (req, res) {
  // The res.download() talking file path to be downloaded
  res.download(__dirname + "/uploads/fax.odg", function (err) {
    if (err) {
      console.log(err);
    }
  });
});

// Start Server
app.listen(port, function () {
  console.log(`Server started on port ${port}...`);
});