// ==UserScript==
// @name         EvolveIdleSaveManager
// @version      0.1
// @description  Automatically synchronize EvolveIdle saves across devices
// @author       Daxtorim
// @match        https://pmotschmann.github.io/Evolve/
// @icon         https://www.google.com/s2/favicons?sz=64&domain=github.io
// @require      https://code.jquery.com/jquery-3.7.0.min.js
// @grant        unsafeWindow
// ==/UserScript==

// =====================================================================

// Whatever just so you know where the last savegame came from
const DEVICE_NAME = "unknown"

// Time in milliseconds between automatic savegame uploads
// set to 0 to disable
const SAVE_INTERVAL = 0

// https://gist.github.com/<username>/XXXXXXXXXXXXXXXXXXXXXXXXXXXX
//                                    |------- this part --------|
const GIST_ID = "XXX"

// your *classic* github token with gist permissions
// https://github.com/settings/tokens
const AUTH_TOKEN = "ghp_XXX"

// =====================================================================

$.ajaxSetup({ cache: false }); // We want the actual data

function fetchAndProcessGist() {
    console.log("EvolveIdle: fetching savegame from gist")
    $.ajax({
        url: 'https://api.github.com/gists/' + GIST_ID,
        type: 'GET',
        beforeSend: function(xhr) {
            xhr.setRequestHeader('Authorization', 'token ' + AUTH_TOKEN);
        },
        success: function(data, txtStatus, jqXHR) {
            const savefile = data.files["savgame.json"].content
            const content = JSON.parse(savefile)
            const textArea = document.getElementById("importExport")
            textArea.value = content.savegame
            // importGame() would reload the page creating an infinite loop of page reloads here
        }
    })
}

function pushSavegameToGist(data) {
    $.ajax({
        url: 'https://api.github.com/gists/' + GIST_ID,
        type: 'PATCH',
        data: JSON.stringify(data),
        beforeSend: function(xhr) {
            xhr.setRequestHeader('Authorization', 'token ' + AUTH_TOKEN);
        },
        success: function(data, txtStatus, jqXHR) {
            const e = document.getElementById("sync-gist-button")
            if (e) {
                e.classList.remove("has-text-error")
                e.classList.add("has-text-success")
                setTimeout(() => {e.classList.remove("has-text-success")}, 5000)
            }
        },
        error: function(jqXHR, txtStatus, error) {
            const e = document.getElementById("sync-gist-button")
            if (e) {
                e.classList.add("has-text-error")
            }
        }
    });
}

function syncEvolveSavegame() {
    let content = {}
    const date = new Date()
    content.lastUpdateTime = date.toISOString()
    content.lastUpdateDevice = DEVICE_NAME
    content.savegame = unsafeWindow.exportGame()
    const patch = {
        files: {
            'savgame.json': {
                content: JSON.stringify(content)
            }
        }
    }
    pushSavegameToGist(patch)
}

function createHTMLSyncButton() {
    const settingsMenu = document.getElementById("settings")
    if (!settingsMenu) {
        setTimeout(createHTMLSyncButton, 1000)
        return
    }

    const syncButton = document.createElement("button")
    syncButton.innerText = "Push to gist"
    syncButton.id = "sync-gist-button"
    syncButton.className = "button"
    syncButton.onclick = syncEvolveSavegame

    const backupButton = settingsMenu.getElementsByClassName("importExport")[1].lastElementChild
    backupButton.before(syncButton)
}

(async function() {
    'use strict';
    fetchAndProcessGist()
    createHTMLSyncButton()

    if (SAVE_INTERVAL > 0) {
      setInterval(syncEvolveSavegame, SAVE_INTERVAL)
    }
})();