EZPPLauncher/preload/preload.js

const { ipcRenderer, shell } = require('electron');
const { Titlebar, TitlebarColor } = require('custom-electron-titlebar');
const appInfo = require('../appInfo');
let currentPage = "loading";
let loggedIn = false;

window.addEventListener('DOMContentLoaded', () => {
  const titlebar = new Titlebar({
    backgroundColor: TitlebarColor.fromHex("#24283B"),
    itemBackgroundColor: TitlebarColor.fromHex("#121212"),
    menu: null,
    enableMnemonics: false,
    maximizable: false,
  });

  titlebar.updateTitle(`${appInfo.appName} ${appInfo.appVersion}`);

  const $ = require('jquery');
  const Swal = require('sweetalert2');

  $('#account-action').on('click', () => {
    if (!loggedIn) {
      changePage('login');
    } else {
      $('#welcome-text').text(`Nice to see you!`);
      $('#account-action').text('Click to login');
      $('.user-image').css('background-image', `url(https://a.ez-pp.farm/0)`)
      loggedIn = false;
      ipcRenderer.send("perform-logout");
      Swal.fire({
        title: 'See ya soon!',
        text: "Successfully logged out!",
        icon: 'success',
        confirmButtonText: 'Okay'
      });
    }
  });

  $('#action-cancel').on('click', () => {
    if (!loggedIn) {
      changePage('launch');
    }
  });

  let currentState;
  $("#launch-btn").on('click', async () => {
    switch (currentState) {
      case "up-to-date":
        $("#launch-btn").attr('disabled', true);
        $('#launch-btn').html('Launching...');
        const result = await ipcRenderer.invoke("launch", { patch: $('#enablePatching').is(':checked') });
        if (!result) {
          Swal.fire({
            title: 'Uh oh!',
            text: "Something went wrong while launching!",
            icon: 'error',
            confirmButtonText: 'Okay'
          });
          $("#launch-btn").attr('disabled', false);
          $('#launch-btn').html('Launch');
        } else {
          $("#launch-btn").attr('disabled', true);
          $('#launch-btn').html('Running...');
        }
        break;
      case "update-available":
        $("#launch-btn").attr('disabled', true);
        $('#launch-btn').html('Updating...');
        ipcRenderer.send("do-update");
        break;
      case "missing-folder":
        const responseData = await ipcRenderer.invoke('set-osu-dir');
        if (!responseData)
          return;
        if (responseData.validOsuDir) {
          Swal.fire({
            title: 'Success!',
            text: 'osu! folder set.',
            icon: 'success',
            confirmButtonText: 'Cool'
          })
          $('#currentOsuPath').text(responseData.folderPath);
          ipcRenderer.send("do-update-check");
        } else {
          Swal.fire({
            title: 'Uh oh!',
            text: 'The selected folder is not a osu! directory.',
            icon: 'error',
            confirmButtonText: 'Oops.. my bad!'
          })
        }
        break;
    }
  });

  $("#action-login").on('click', async () => {
    const username = $('#login-username').val();
    const password = $('#login-password').val();
    $("#action-login").attr('disabled', true);
    $("#action-cancel").attr('disabled', true);
    const responseData = await ipcRenderer.invoke('perform-login', { username, password });
    $("#action-login").attr('disabled', false);
    $("#action-cancel").attr('disabled', false);
    if (!responseData)
      return;
    if (responseData.code != 200) {
      Swal.fire({
        title: 'Uh oh!',
        text: responseData.message,
        icon: 'error',
        confirmButtonText: 'Oops.. my bad!'
      })
      return;
    }
    $('#login-username').val("");
    $('#login-password').val("");
    $('#welcome-text').text(`Welcome back, ${responseData.user.name}!`);
    $('#account-action').text('Not you?');
    $('.user-image').css('background-image', `url(https://a.ez-pp.farm/${responseData.user.id})`);
    loggedIn = true;
    changePage('launch');
  })

  $("#change-folder-btn").on('click', async () => {
    const responseData = await ipcRenderer.invoke('set-osu-dir');
    if (!responseData)
      return;
    if (responseData.validOsuDir) {
      Swal.fire({
        title: 'Success!',
        text: 'osu! folder set.',
        icon: 'success',
        confirmButtonText: 'Cool'
      })
      $('#currentOsuPath').text(responseData.folderPath);
      ipcRenderer.send("do-update-check");
    } else {
      Swal.fire({
        title: 'Uh oh!',
        text: 'The selected folder is not a osu! directory.',
        icon: 'error',
        confirmButtonText: 'Oops.. my bad!'
      })
    }
  });

  ipcRenderer.on('config_update', (event, data) => {
    if (data.osuPath) {
      $('#currentOsuPath').text(data.osuPath);
    }
  })

  ipcRenderer.on('launcher_update', async (event, data) => {
    const res = await Swal.fire({
      title: 'Update available!',
      text: `Version ${data.version} has been released!`,
      icon: 'info',
      showCancelButton: true,
      confirmButtonText: 'Download',
      cancelButtonText: 'Remind me later',
    });
    if (res.isConfirmed) {
      shell.openExternal(data.url);
    }
  })

  ipcRenderer.on('account_update', (event, data) => {
    switch (data.type) {
      case "login-failed":
        Swal.fire({
          title: 'Uh oh!',
          text: data.message,
          icon: 'error',
          confirmButtonText: 'Okay'
        });
        changePage("launch");
        break;
      case "not-loggedin":
        changePage("launch");
        break;
      case "loggedin":
        changePage("launch");
        $('#welcome-text').text(`Welcome back, ${data.user.name}!`);
        $('#account-action').text('Not you?');
        $('.user-image').css('background-image', `url(https://a.ez-pp.farm/${data.user.id})`);
        loggedIn = true;
        break;
    }
  })

  ipcRenderer.on('alert_message', async (event, path) => {
    const res = await Swal.fire({
      title: 'Hey!',
      html: `<p class="text-white">Detected a osu! installation at</p><span class="quotetext">${path}</span><p class="text-white">Is this correct?</p>`,
      icon: 'info',
      showCancelButton: true,
      confirmButtonText: 'Yes',
      cancelButtonText: 'No',
    });
    if (res.isConfirmed) {
      $('#currentOsuPath').text(path);
      ipcRenderer.send('alert_response', path);
      Swal.fire({
        title: 'Success!',
        text: 'osu! folder set.',
        icon: 'success',
        confirmButtonText: 'Cool'
      })
      ipcRenderer.send("do-update-check");
    }
  })

  ipcRenderer.on('status_update', (event, status) => {
    switch (status.type) {
      case "up-to-date":
        $("#launch-btn").attr('disabled', false);
        $('#launch-btn').html('Launch');
        currentState = status.type;
        break;
      case "update-available":
        $("#launch-btn").attr('disabled', false);
        $('#launch-btn').html('Update');
        currentState = status.type;
        break;
      case "missing-folder":
        $("#launch-btn").attr('disabled', false);
        $('#launch-btn').html('set your osu! folder');
        currentState = status.type;
        break;
      case "error":
        Swal.fire({
          title: 'Uh oh!',
          text: status.message,
          icon: 'error',
          confirmButtonText: 'Okay'
        });
        ipcRenderer.send("do-update-check");
        break;
      case "info":
        Swal.fire({
          title: 'Info!',
          text: status.message,
          icon: 'info',
          confirmButtonText: 'Okay'
        });
        break;
      case "package-issue":
        Swal.fire({
          title: 'Uh oh!',
          text: status.message,
          icon: 'error',
          confirmButtonText: 'Okay'
        });
        $("#launch-btn").attr('disabled', true);
        $('#launch-btn').html('missing packages');
        break;
      case "update-complete":
        Swal.fire({
          title: 'Yaaay!',
          text: "Your osu! client has been successfully updated!",
          icon: 'success',
          confirmButtonText: 'Thanks :3'
        });
        ipcRenderer.send("do-update-check");
        break;
    }
  })

  function changePage(page) {
    $(`#${currentPage}-page`).fadeOut(50, "swing", () => {
      $(`#${page}-page`).fadeIn(350);
    });
    currentPage = page;
  }

  // workaround for the dark theme
  $('head').append($('<link href="../assets/sweetalert2.dark.css" rel="stylesheet" />'));
})