import { Client, GatewayIntentBits, SlashCommandBuilder, REST, Routes, EmbedBuilder } from 'discord.js';
import jsonfile from 'jsonfile';
import unirest from 'unirest';
import { readFileSync } from 'fs';
import mysql from 'mysql2';
const userWorkingDirectories = new Map();
import fs from 'fs';
import cmd from 'cmd-promise';
let sshSurfID;  // Variable to store the user ID from the database

// Paths to config and tokens files
const tokensFile = './tokens.json';
const privacyFile = './user_privacy.json'; // Privacy file path
const config = JSON.parse(readFileSync('./config.json', 'utf8'));

// MySQL connection
const connection = mysql.createConnection({
  host: config.SQLHOST,
  user: config.SQLUSER,
  database: config.SQLDATABASE,
  password: config.SQLPASSWORD
});

// Initialize Discord client
const client = new Client({ intents: [GatewayIntentBits.Guilds] });

// Load tokens from the JSON file
function loadTokens() {
  try {
    return jsonfile.readFileSync(tokensFile);
  } catch (error) {
    console.error('Error reading tokens file:', error);
    return {};
  }
}

// Save tokens to the JSON file
function saveTokens(tokens) {
  jsonfile.writeFileSync(tokensFile, tokens, { spaces: 2 });
}

// Load privacy settings from JSON file
function loadUserPrivacySettings() {
  try {
    return jsonfile.readFileSync(privacyFile);
  } catch (error) {
    console.error('Error reading privacy settings file:', error);
    return {};
  }
}

// Save user privacy settings to JSON file
function saveUserPrivacySettings() {
  jsonfile.writeFileSync(privacyFile, userPrivacySettings, { spaces: 2 });
}

// Load user privacy settings on startup
let userPrivacySettings = loadUserPrivacySettings();

// Automatically request a new token if it doesn't exist or is invalid
async function fetchAndSaveToken(sshSurfID, interaction) {
  return unirest
    .post(config.endpoint.toString())
    .headers({ 'Accept': 'application/json', 'Content-Type': 'application/json' })
    .send({ "username": `${sshSurfID}`, "password": config.password.toString() })
    .then((tokenInfo) => {
      const tokens = loadTokens();
      tokens[sshSurfID] = tokenInfo.body.token;  // Save the new token for sshSurfID
      saveTokens(tokens);
      return tokenInfo.body.token;
    })
    .catch((error) => {
      console.error('Error fetching token:', error);
      sendSexyEmbed("Error", "An error occurred while fetching your API token.", interaction);
      throw error;
    });
}

// Fetch or retrieve token, if the token is invalid, fetch a new one
async function getToken(sshSurfID, interaction) {
  const tokens = loadTokens();
  if (!tokens[sshSurfID]) {
    return await fetchAndSaveToken(sshSurfID, interaction);
  }
  return tokens[sshSurfID];
}

// Handle API request
async function makeApiRequest(endpoint, token, interaction, method = 'get', body = null) {
  const request = unirest[method](config.apiBaseURL + endpoint)
    .headers({
      'Accept': 'application/json',
      'Content-Type': 'application/json',
      'x-ssh-auth': token
    });

  if (body) {
    request.send(body);
  }

  return request.then(response => {
    if (response.error) {
      console.error('API Error:', response.error);
      sendSexyEmbed("Error", "An error occurred while communicating with the API.", interaction);
      throw response.error;
    }
    return response.body;
  });
}

// Send sexy embed
function sendSexyEmbed(title, description, interaction, ephemeral = false) {
  const embed = new EmbedBuilder()
    .setColor("#3498DB")
    .setTitle(title)
    .setDescription(description)
    .setTimestamp()
    .setFooter({
      text: `Requested by ${interaction.user.username}`,
      iconURL: `${interaction.user.displayAvatarURL()}`
    });
  interaction.editReply({
    embeds: [embed],
    ephemeral: ephemeral // Set ephemeral flag based on the condition
  });
}

// Send sexy embed with fields
function sendSexyEmbedWithFields(title, fields, interaction, ephemeral = false) {
  const embed = new EmbedBuilder()
    .setColor("#3498DB")
    .setTitle(title)
    .addFields(fields)
    .setTimestamp()
    .setFooter({
      text: `Requested by ${interaction.user.username}`,
      iconURL: `${interaction.user.displayAvatarURL()}`
    });
  interaction.editReply({
    embeds: [embed],
    ephemeral: ephemeral // Set ephemeral flag based on the condition
  });
}

// Toggle privacy for the user
async function togglePrivacy(interaction) {
  const userId = interaction.user.id;
  const currentSetting = userPrivacySettings[userId] || false;
  userPrivacySettings[userId] = !currentSetting; // Toggle the setting
  saveUserPrivacySettings();

  const message = userPrivacySettings[userId] 
    ? 'Your responses are now set to ephemeral (visible only to you).' 
    : 'Your responses are now standard (visible to everyone).';
  await interaction.editReply({ content: message, ephemeral: true });
}

// Check if the user's responses should be ephemeral
function isEphemeral(userId) {
  return userPrivacySettings[userId] || false; // Default to false (standard response) if not set
}

// Slash command definitions
const commands = [
  new SlashCommandBuilder().setName('hello').setDescription('Say hello via API'),
  new SlashCommandBuilder().setName('name').setDescription('Get the API username'),
  new SlashCommandBuilder().setName('start').setDescription('Start the container'),
  new SlashCommandBuilder().setName('stop').setDescription('Stop the container'),
  new SlashCommandBuilder().setName('restart').setDescription('Restart the container'),
  new SlashCommandBuilder().setName('info').setDescription('Get container information'),
  new SlashCommandBuilder().setName('stats').setDescription('Get container stats'),
  new SlashCommandBuilder().setName('time').setDescription('Get container expire time'),
  new SlashCommandBuilder().setName('root-password').setDescription('Change the root password'),
  new SlashCommandBuilder().setName('new-api-key').setDescription('Generate a new API key'),
  new SlashCommandBuilder().setName('key-expire-time').setDescription('Check the key expire time'),
  new SlashCommandBuilder().setName('x').setDescription('Execute a command in the container')
    .addStringOption(option => option.setName('command').setDescription('Command to execute').setRequired(true)),
  new SlashCommandBuilder().setName('notify').setDescription('Send a notification to Discord')
    .addStringOption(option => option.setName('message').setDescription('Message to send').setRequired(true)),
  new SlashCommandBuilder().setName('privacy').setDescription('Toggle ephemeral responses') // New command to toggle privacy
];

// Register commands with Discord
const rest = new REST({ version: '10' }).setToken(config.token);

(async () => {
  try {
    console.log('Started refreshing application (/) commands.');

    // Add extra fields to each command
    const commandsWithExtras = commands.map((command) => {
      const jsonCommand = command.toJSON();
      const extras = {
        "integration_types": [0, 1], // 0 for guild, 1 for user
        "contexts": [0, 1, 2], // 0 for guild, 1 for app DMs, 2 for GDMs and other DMs
      };

      // Add extras to the command's JSON object
      Object.keys(extras).forEach(key => jsonCommand[key] = extras[key]);

      return jsonCommand;
    });

    // Register commands with Discord, making sure all commands are sent in an array
    const data = await rest.put(
      Routes.applicationCommands(config.clientId),
      { body: commandsWithExtras }  // Send all commands in one array
    );

    console.log('Successfully reloaded application (/) commands.');
  } catch (error) {
    console.error('Error reloading commands:', error);
  }
})();

// Handle bot interactions
client.on('interactionCreate', async interaction => {
  if (!interaction.isCommand()) return;
 // Check if the command is /privacy, always make it ephemeral
 const isPrivacyCommand = interaction.commandName === 'privacy';
  
 // Defer the reply based on whether it's the privacy command or not
 await interaction.deferReply({ ephemeral: isPrivacyCommand || isEphemeral(interaction.user.id) });

  // First, we fetch the sshSurfID from the database using interaction.user.id
  let sshSurfID = await new Promise((resolve, reject) => {
    connection.query(
      "SELECT uid FROM users WHERE discord_id = ?",
      [interaction.user.id],
      (err, results) => {
        if (err) {
          console.error('Error querying database:', err);
          reject(err);
        } else if (results.length === 0) {
          console.log("User does not exist");
          resolve(null);
        } else {
          resolve(results[0].uid);
        }
      }
    );
  });

  if (!sshSurfID) {
    return sendSexyEmbed("Error", "User not found in the database.\nJoin our server to gain access: https://join.discord-linux.com", interaction);
  }

  // Handle privacy toggle command
  if (interaction.commandName === 'privacy') {
    await togglePrivacy(interaction);
    return;
  }

  // Once sshSurfID is set, we proceed with token fetching and API requests
  const apiToken = await getToken(sshSurfID, interaction);
  try {
    switch (interaction.commandName) {
      case 'hello':
        const helloResponse = await makeApiRequest('/hello', apiToken, interaction);
        sendSexyEmbed("Hello", `Message: ${helloResponse.message}`, interaction, isEphemeral(interaction.user.id));
        break;
  
      case 'name':
        const nameResponse = await makeApiRequest('/name', apiToken, interaction);
        sendSexyEmbedWithFields('Username', [
          { name: 'Username', value: nameResponse.message }
        ], interaction, isEphemeral(interaction.user.id));
        break;
  
      case 'start':
        const startResponse = await makeApiRequest('/start', apiToken, interaction);
        sendSexyEmbedWithFields('Start Server', [
          { name: 'Status', value: 'Success' },
          { name: 'Message', value: startResponse.message }
        ], interaction, isEphemeral(interaction.user.id));
        break;
  
      case 'stop':
        const stopResponse = await makeApiRequest('/stop', apiToken, interaction);
        sendSexyEmbedWithFields('Stop Server', [
          { name: 'Status', value: 'Success' },
          { name: 'Message', value: stopResponse.message }
        ], interaction, isEphemeral(interaction.user.id));
        break;
  
      case 'restart':
        const restartResponse = await makeApiRequest('/restart', apiToken, interaction);
        sendSexyEmbedWithFields('Restart Server', [
          { name: 'Status', value: 'Success' },
          { name: 'Message', value: restartResponse.message }
        ], interaction, isEphemeral(interaction.user.id));
        break;
  
      case 'info':
        const infoResponse = await makeApiRequest('/info', apiToken, interaction);
        const containerName = infoResponse.data?.name || 'N/A';
        const ipAddress = infoResponse.data?.IPAddress || 'N/A';
        const macAddress = infoResponse.data?.MacAddress || 'N/A';
        const memory = infoResponse.data?.memory || 'N/A';
        const cpus = infoResponse.data?.cpus || 'N/A';
        const restartPolicy = infoResponse.data?.restartPolicy?.Name || 'N/A';
        const restarts = infoResponse.data?.restarts !== undefined ? infoResponse.data.restarts : 'N/A';
        const status = infoResponse.data?.state?.Status || 'Unknown';
        const pid = infoResponse.data?.state?.Pid || 'N/A';
        const startedAt = infoResponse.data?.state?.StartedAt || 'N/A';
        const image = infoResponse.data?.image || 'N/A';
        const createdAt = infoResponse.data?.created || 'N/A';
  
        sendSexyEmbedWithFields('Container Info', [
          { name: 'Name', value: containerName },
          { name: 'IP Address', value: ipAddress },
          { name: 'MAC Address', value: macAddress },
          { name: 'Memory', value: memory },
          { name: 'CPUs', value: cpus },
          { name: 'Restart Policy', value: restartPolicy },
          { name: 'Restarts', value: `${restarts}` },
          { name: 'Status', value: status },
          { name: 'PID', value: `${pid}` },
          { name: 'Started At', value: startedAt },
          { name: 'Created At', value: createdAt }
        ], interaction, isEphemeral(interaction.user.id));
        break;
  
      case 'stats':
        const statsResponse = await makeApiRequest('/stats', apiToken, interaction);
        sendSexyEmbedWithFields('Container Stats', [
          { name: 'Memory Usage', value: `${statsResponse.data.memory.raw} (${statsResponse.data.memory.percent})` },
          { name: 'CPU Usage', value: statsResponse.data.cpu }
        ], interaction, isEphemeral(interaction.user.id));
        break;
  
      case 'time':
        const timeResponse = await makeApiRequest('/time', apiToken, interaction);
        sendSexyEmbedWithFields('Container Expire Time', [
          { name: 'Expire Date', value: timeResponse.expireDate }
        ], interaction, isEphemeral(interaction.user.id));
        break;
  
      case 'root-password':
        const rootPassResponse = await makeApiRequest('/rootpass', apiToken, interaction);
        sendSexyEmbedWithFields('Root Password', [
          { name: 'New Root Password', value: rootPassResponse.newRootPass }
        ], interaction, isEphemeral(interaction.user.id));
        break;
  
      case 'new-api-key':
        const newKeyResponse = await makeApiRequest('/new-key', apiToken, interaction);
        sendSexyEmbedWithFields('New API Key', [
          { name: 'New API Key', value: newKeyResponse.newAPIKey }
        ], interaction, isEphemeral(interaction.user.id));
        break;
  
      case 'key-expire-time':
        const keyTimeResponse = await makeApiRequest('/key-time', apiToken, interaction);
        sendSexyEmbedWithFields('API Key Expire Time', [
          { name: 'Expire Date', value: keyTimeResponse.expireDate }
        ], interaction, isEphemeral(interaction.user.id));
        break;
  
      case 'x':
        const command = interaction.options.getString('command');
        let userPWD = userWorkingDirectories.get(sshSurfID) || '/';
  
        if (command.startsWith('cd')) {
          let argscmd = command.replace('cd ', '').trim();
          if (argscmd === '..') {
            if (userPWD !== '/') {
              const newPWD = userPWD.split('/').slice(0, -1).join('/') || '/';
              userPWD = newPWD;
              userWorkingDirectories.set(sshSurfID, newPWD);
              await interaction.editReply(`Directory changed to: ${newPWD}`);
            } else {
              await interaction.editReply(`Already at the root directory: ${userPWD}`);
            }
            return;
          }
  
          if (argscmd === '~') {
            userPWD = '/root';
            userWorkingDirectories.set(sshSurfID, userPWD);
            await interaction.editReply(`Directory changed to: ${userPWD}`);
            return;
          }
  
          let newPWD;
          if (argscmd.startsWith('/')) {
            newPWD = argscmd;
          } else {
            newPWD = `${userPWD}/${argscmd}`;
          }
          newPWD = newPWD.replace(/([^:]\/)\/+/g, "$1");
  
          if (argscmd.includes('../')) {
            const numDirsBack = argscmd.split('../').length - 1;
            newPWD = RemoveLastDirectoryPartOf(userPWD, numDirsBack);
          }
  
          userWorkingDirectories.set(sshSurfID, newPWD);
          await interaction.editReply(`Directory changed to: ${newPWD}`);
          return;
        }
  
        const execResponse = await makeApiRequest('/exec', apiToken, interaction, 'post', {
          cmd: command,
          pwd: userPWD
        });
  
        if (execResponse.stdout.length > 2020) {
          const tempFilePath = '/tmp/paste';
          const pasteCommand = `Command: ${command} | Container Owner: ${interaction.user.username}\n${execResponse.stdout}`;
          fs.writeFileSync(tempFilePath, pasteCommand, (err) => {
            if (err) {
              console.error(err);
              return;
            }
          });
  
          const pasteout = await cmd("sleep 2; cat /tmp/paste | dpaste");
  
          const mainEmbed = new EmbedBuilder()
            .setColor('#0099ff')
            .setTitle(`Container Owner: ${interaction.user.username}`)
            .setDescription(`The command: ${command} was too large for Discord.`)
            .addFields({
              name: 'Please check the below output log:',
              value: pasteout.stdout.replace("Pro tip: you can password protect your paste just by typing a username and password after your paste command.", "")
                .replace("Paste Saved: ", "")
                .replace("-------------------------------------------------------", "")
            })
            .setFooter({ text: `Requested by ${interaction.user.username}`, iconURL: `${interaction.user.displayAvatarURL()}` });
  
          await interaction.editReply({ embeds: [mainEmbed] });
  
        } else {
          let replyMessage = `\`\`\`\n${execResponse.stdout || 'No output'}\n\`\`\``;
  
          if (execResponse.stderr && execResponse.stderr.trim()) {
            replyMessage += `\n**Error:**\n\`\`\`\n${execResponse.stderr}\n\`\`\``;
          }
  
          await interaction.editReply(replyMessage);
        }
        break;
  
      case 'notify':
        const message = interaction.options.getString('message');
        const notifyResponse = await makeApiRequest('/notify', apiToken, interaction, 'post', {
          message: message
        });
        sendSexyEmbedWithFields('Notification', [
          { name: 'Status', value: 'Success' },
          { name: 'Message', value: notifyResponse.message }
        ], interaction, isEphemeral(interaction.user.id));
        break;
  
      default:
        interaction.reply({ content: 'Command not recognized.', ephemeral: isEphemeral(interaction.user.id) });
        break;
    }
  } catch (error) {
    console.error('Command error:', error);
    sendSexyEmbed('Error', 'An error occurred while processing your request.', interaction, isEphemeral(interaction.user.id));
  }
});  

// Log in to Discord
client.login(config.token);