const { EmbedBuilder } = require('discord.js');
const fs = require('fs');
const { exec } = require("child_process");

module.exports = {
  name: "short-url",
  description: "Shortens a URL using small.ssh.surf",
  options: [{
    "name": "url",
    "description": "The URL that you want shorter",
    "required": true,
    "type": 3 // 6 is type USER
  }],
  run: async (client, interaction) => {
    let rand = Math.floor(Math.random() * 99999).toString();
    let URL = interaction.options._hoistedOptions[0].value
    var dir = '/var/www/html/short/' + rand;

    const content = "<?php\nheader(\"Location: " + URL + "\")\n?>";

    console.log(content)

    if (!fs.existsSync(dir)) {
      fs.mkdirSync(dir);
      console.log("Created: " + '/var/www/html/short/' + rand)

      try {
        fs.writeFileSync('/var/www/html/short/' + rand + "/index.php", content);
        // file written successfully
        exec("chown -R www-data:www-data /var/www/html/short/", (error, stdout, stderr) => {
          if (error) {
            console.log(`error: ${error.message}`);
            return;
          }
          if (stderr) {
            console.log(`stderr: ${stderr}`);
            return;
          }
         
          const embed = new EmbedBuilder()
            .setColor("#FF0000")
            .setTitle("The URL has been shrunk!")
            .setDescription("https://small.ssh.surf/" + rand)
            .setTimestamp()
            .setFooter({ text: `Requested by ${interaction.user.tag}`, iconURL: `${interaction.user.displayAvatarURL()}` });
          interaction.followUp({ embeds: [embed] });
          rand = Math.floor(Math.random() * 99999).toString();
        });

      } catch (err) {
        console.error(err);
      }
    }
  },
};