import {REST, Routes, Client, GatewayIntentBits, CommandInteraction, EmbedBuilder } from "discord.js";
import * as fs from "node:fs";
import commands from "./commands.js";
import {MakePrediction} from "./predictor.js";

const configraw = fs.readFileSync("config.json", "utf-8");
const config = JSON.parse(configraw);

if (!config.token) {
    console.error("Please provide a Token and Client ID in config.json");
    process.exit(1);
}

(async () => {
    const client = new Client({ intents: [GatewayIntentBits.Guilds] });

    client.on('ready', async () => {
        console.log(`Logged in as ${client.user!.tag}!`);
        await publishSlashCommands(client.application!.id);
    });

    client.on('interactionCreate', async i => {
        if (i instanceof CommandInteraction) {
            switch (i.commandName) {
                case "simulate":
                    var result = await MakePrediction();
                    var embed = new EmbedBuilder()
                        .setTitle("2024 United States Presidential Election")
                        .setDescription(`The CalubViem Press has called the 2024 United States Presidential Election for ${result.winner}!`)
                        .addFields(
                            {name: `${result.winner === result.gopCandidate ? ":white_check_mark:" : ""} ${result.gopCandidate}`, value: `${result.gopVotes} Electoral Votes`, inline: true},
                            {name: `${result.winner === result.demCandidate ? ":white_check_mark:" : ""} ${result.demCandidate}`, value: `${result.demVotes} Electoral Votes`, inline: true},
                        )
                        .setImage("attachment://election.png")
                        .setTimestamp();
                    await i.reply({embeds: [embed], files: [{attachment: result.png, name: "election.png"}]});
                    break;
            }
        }
    });

    client.login(config.token);
})();

async function publishSlashCommands(clientid : string) {
    const rest = new REST({ version: '10' }).setToken(config.token);
    await rest.put(Routes.applicationCommands(clientid), {body: commands});
    console.log("Successfully registered slash commands");
}