const { Client, GatewayIntentBits, Partials, Collection, ActivityType } = require('discord.js');
const { Guilds, GuildMembers, GuildMessages } = GatewayIntentBits;
const { User, Message, GuildMember, ThreadMember, Channel } = Partials;
const fs = require("fs")
const { setup } = require("./api/api.js")

let products = JSON.parse(fs.readFileSync("./api/products.json"));
let users = JSON.parse(fs.readFileSync("./api/users.json"));
let crashCount = 0;

setup()

const client = new Client({
  intents: [Guilds, GuildMembers, GuildMessages],
  partials: [User, Message, GuildMember, ThreadMember],
});

function startBot() {
  client.login("");
};

function handleCrash() {
  crashCount++;
  console.error(`The Bot has crashed. Total crashed: ${crashCount}`);
  console.log('Restarting the Bot...')
  startBot()
};

function generateRandomProductNumber() {
  return Math.floor(5555555555 + Math.random() * 9999999999);
};

function generateUniqueProductNumber(users, productName) {
  let productNumber = generateRandomProductNumber();
  while (users.some(user => user.product_number === productNumber)) {
    productNumber = generateRandomProductNumber();
  }
  return productNumber;
};

client.on("ready", (client) => {
  console.log(`Logged in as ${client.user.tag}!`);
  client.user.setPresence({
      activities: [{ name: `FiveM`, type: ActivityType.Playing }],
      status: 'dnd',
    });
  client.application.commands.create({
    name: "changeguildid",
    description: "Ändere die GuildID deines Produktes",
    options: [
      {
        name: "productid",
        description: "ID des Produktes",
        type: 3,
        required: true
      },
      {
        name: "guildid",
        description: "Server ID deines Discords",
        type: 3,
        required: true
      }
    ]
  })
  client.application.commands.create({
    name: "addproduct",
    description: "Ein Produkt zur Liste hinzufügen",
    options: [
      {
        type: 6,
        name: "benutzer",
        description: "Der Benutzer, dem das Produkt hinzugefügt werden soll.",
        required: true,
      },
      {
        type: 3,
        name: "produkt",
        description: "Der Name des Produkts, das hinzugefügt werden soll.",
        required: true,
      },
    ],
  })
  client.application.commands.create({
    name: "removeproduct",
    description: "Entferne einen Kunden das Produkt.",
    options: [
      {
        type: 6,
        name: "benutzer",
        description: "Der Benutzer, dem das Produkt Entfernt werden soll.",
        required: true,
      },
      {
        type: 3,
        name: "produkt",
        description: "Der Name des Produkts, das Entfernt werden soll.",
        required: true,
      },
    ],
  })
});

client.on('error', (error) => {
  console.error('Discord.js Error:', error);
  handleCrash();
});

process.on('unhandledRejection', (reason) => {
  console.error('Unhandled Promise Rejection:', reason);
});

process.on('uncaughtException', (error) => {
  console.error('Unhandled Promise Rejection:', error);
});

client.on("interactionCreate", (interaction) => {
  if (interaction.isCommand()) {
    const { commandName, options } = interaction;
    
    if (commandName === "changeguildid") {
      var id = options.getString("productid");
      var data = JSON.parse(fs.readFileSync("./api/auth.json"));
      var user = options.getUser("guildid");

      const existingServer = data.find((entry) => entry.serverid === id);
      if (existingServer) {
        return interaction.reply("Dieser Server wurde bereits hinzugefügt.");
      }

      if (data.length > 0) {
        return interaction.reply("Es kann nur eine Server-ID hinzugefügt werden")
      }

      data.push({
        serverid: id,
        userid: interaction.options.getMember("user")
      });

      fs.writeFileSync("./api/auth.json", JSON.stringify(data, null, 2));
      return interaction.reply("Der Server wurde erfolgreich hinzugefügt.");
    }
    if (commandName === "addproduct") {
      const targetUser = options.getUser("benutzer");
      const benutzer = interaction.user;
    
      const productName = options.getString("produkt");
      const existingProduct = products.find(product => product.product === productName);
      if (!existingProduct) {
        return interaction.reply("Dieses Produkt existiert nicht.");
      }
    
      const existingUserProduct = users.find(user => user.user_id === targetUser.id && user.product === productName);
      if (existingUserProduct) {
        return interaction.reply(`${targetUser.tag} hat das Produkt "${productName}" bereits.`);
      }
    
      const productNumber = generateUniqueProductNumber(users, productName);
    
      users.push({
        user_id: targetUser.id,
        tag: targetUser.tag,
        product: productName,
        product_number: productNumber
      });
    
      fs.writeFileSync("./api/users.json", JSON.stringify(users, null, 2));
    
      return interaction.reply(`${targetUser.tag} hat das Produkt "${productName}" erfolgreich erhalten. Deine Produkt-Nummer ist ${productNumber}.`);
    }
    if (commandName === "removeproduct") {
      const targetUser = options.getUser("benutzer");
      const benutzer = interaction.user;
  
      const productName = options.getString("produkt");
      const existingProduct = products.find(product => product.product === productName);
      if (!existingProduct) {
        return interaction.reply("Dieses Produkt existiert nicht.");
      }
  
      const existingUserProductIndex = users.findIndex(user => user.user_id === targetUser.id && user.product === productName);
      if (existingUserProductIndex === -1) {
        return interaction.reply(`${targetUser.tag} hat das Produkt "${productName}" nicht.`);
      }
  
      users.splice(existingUserProductIndex, 1);
  
      fs.writeFileSync("./api/users.json", JSON.stringify(users, null, 2));
  
      return interaction.reply(`${targetUser.tag} wurde das Produkt "${productName}" erfolgreich entzogen.`);
    }
  }
});

startBot();