require("dotenv").config();
const fs = require("fs-extra");
const { exec } = require("child_process");
import("webdav").then(({ createClient }) => {
  // Step 1: Clean the dist/ folder
  function cleanDist() {
    console.log("Cleaning dist/ folder...");
    return fs
      .emptyDir("./dist")
      .then(() => console.log("dist/ folder cleaned"))
      .catch((err) => console.error("Error cleaning dist/ folder:", err));
  }

  // Step 2: Build with Parcel
  function buildWithParcel() {
    console.log("Building with Parcel...");
    const baseCommand = "npx parcel build src/index.html";

    return new Promise((resolve, reject) => {
      exec(baseCommand, (error, stdout, stderr) => {
        if (error) {
          console.error(`Error: ${error.message}`);
          reject(error);
          return;
        }
        if (stderr) {
          console.error(`Stderr: ${stderr}`);
          reject(stderr);
          return;
        }
        console.log(stdout);
        resolve();
      });
    });
  }

  // Step 3: Log into WebDAV
  function loginToWebDAV() {
    console.log("Logging into WebDAV server...");
    const client = createClient(process.env.WEBDAV_SERVER_URL, {
      username: process.env.WEBDAV_USERNAME,
      password: process.env.WEBDAV_PASSWORD,
    });

    return client;
  }

  // Step 4: Clean main folder on server
  async function cleanMainFolder(client) {
    console.log("Cleaning main folder on server...");
    try {
      await client.deleteFile(process.env.WEBDAV_PATH).catch(() => {}); // Ignore error if folder doesn't exist
      await client.createDirectory(process.env.WEBDAV_PATH);
      console.log("main folder on server cleaned");
    } catch (err) {
      console.error("Error cleaning main folder on server:", err);
      throw err;
    }
  }

  // Step 5: Transfer content
  async function transferContent(client) {
    console.log("Transferring content to server...");
    try {
      const files = await fs.readdir("./dist");
      for (const file of files) {
        await client.putFileContents(
          process.env.WEBDAV_PATH.concat(file),
          await fs.readFile(`./dist/${file}`)
        );
        console.log(`Transferred ${file}`);
      }
    } catch (err) {
      console.error("Error transferring content:", err);
      throw err;
    }
  }

  // Start the process
  cleanDist()
    .then(buildWithParcel)
    .then(loginToWebDAV)
  // .then((client) => cleanMainFolder(client).then(() => client)) WILL DELETE OTHER SUBFOLDERS
    .then((client) => transferContent(client))
    .then(cleanDist)
    .then(() => console.log("Process completed successfully"))
    .catch((err) => console.error("Process failed:", err));
});