const DiscordRPC = require("discord-rpc");
const fs = require('fs');

const ClientId = 'oof';

DiscordRPC.register(ClientId);

const rpc = new DiscordRPC.Client({ transport: 'ipc' });

let currentMeters = 1700;
let currentLevel = 2;
let currentState = "Forest of Temptation"

function saveState() {
    fs.writeFile("state.dat", currentMeters.toString(), function(err) {
        if(err) {
            return console.log(err);
        }
    });
}

function loadState() {
    fs.readFile('state.dat', 'utf8', function(err, contents) {
        currentMeters = parseInt(contents);
    });
}

try {
    loadState();
    console.log("loaded state")
}
catch (error) {
    console.log("no saved state, starting from beginning");
}

function numberWithCommas(x) {
  return Math.round(x).toString().replace(/\B(?=(\d{3})+(?!\d))/g, ",");
}

function setStates() {
    if (1351 < currentMeters && currentMeters < 2600) {
        currentLevel = 2;
        currentState = "Forest of Temptation";
    }
    else if (2601 < currentMeters && currentMeters < 7000) {
        currentLevel = 3;
        currentState = "Great Fault";
    }
    else if (7001 < currentMeters && currentMeters < 12000) {
        currentLevel = 4;
        currentState = "The Goblets of Giants";
    }
    else if (12001 < currentMeters && currentMeters < 13000) {
        currentLevel = 5;
        currentState = "Sea of Corpses";
    }
    else if (13001 < currentMeters && currentMeters < 15500) {
        currentLevel = 6;
        currentState = "The Capital of the Unreturned";
    }
    else if (15501 < currentMeters && currentMeters < 20000) {
        currentLevel = 7;
        currentState = "The Final Maelstrom";
    }
    else {
        currentLevel = 8;
        currentState = "The Deepest Point";
    }
}

function doRPC() {
    setStates();
    rpc.setActivity({
        details: "Level " + currentLevel + " | " + numberWithCommas(currentMeters) + " meters",
        state: currentState,
        largeImageKey: 'made-in-abyss-riko',
        largeImageText: 'Riko',
        smallImageKey: 'white-whitle-large',
        smallImageText: 'White Whistle',
        instance: true,
    });
}

rpc.on('ready', () => {
  console.log("ready");
  try {
    loadState();
  }
  catch (error) {
    console.log("no saved state, starting from beginning");
  }
  doRPC();
});

console.log("logging in");
rpc.login(ClientId).catch(console.error);
console.log("logged in");


setInterval(() => {
    console.log("updating rpc...")
    currentMeters += (Math.random() * 101);
    doRPC();
    console.log("updated rpc! | Level " + currentLevel + " | " + numberWithCommas(currentMeters) + " meters");
    saveState();
}, 450000)