import { ChatInputCommandInteraction, EmbedBuilder } from 'discord.js';
import redisClient from './redis';
import { getGasPricesInGwei } from './blockchain';

import { GasAlert } from '../types/gasAlert';

// Respond to the "/gas" command
const handleGasCommand = async (interaction: ChatInputCommandInteraction): Promise<void> => {
  console.log(`Replying to command "/gas"`);

  const gasPrices = await getGasPricesInGwei();

  const embed = new EmbedBuilder()
    .setColor('#0099ff')
    .setTitle('Current Gas Prices')
    .setDescription(`The current gas prices are: \n\n Fast: ${gasPrices.fast} Gwei \n\n Average: ${gasPrices.average} Gwei \n\n Slow: ${gasPrices.slow} Gwei`)

  await interaction.reply({ embeds: [embed] });
};

// Respond to the "/gas alert ${gwei}" command
const handleGasAlertCommand = async (interaction: ChatInputCommandInteraction): Promise<void> => {
  const threshold = parseInt(interaction.options.getString('gwei')!);
  const channelId = interaction.channelId;
  const userId = interaction.user.id;

  const gasAlert: GasAlert = { threshold, channelId, userId };

  console.log(`Replying to command "/gas gwei ${threshold}"`);

  await redisClient.hSet('gas-alerts', `${userId}`, JSON.stringify(gasAlert));

  await interaction.reply(`Your gas alert threshold of ${threshold} Gwei has been set.`);
};

// Respond to the "/gas pending" command
const handleGasPendingCommand = async (interaction: ChatInputCommandInteraction): Promise<void> => {
  const userId = interaction.user.id;
  const alertThreshold = await redisClient.get(`${userId}`);

  console.log(`Replying to command "/gas pending"`);

  if (alertThreshold === null) {
    await interaction.reply('No gas price alerts set');
  } else {
    await interaction.reply(`Current gas price alert threshold: ${alertThreshold} Gwei`);
  }
};

export { handleGasCommand, handleGasAlertCommand, handleGasPendingCommand };