background.ts

import * as constants from "./constants";

// Initialize storage variables at installation time.
chrome.runtime.onInstalled.addListener(init);

function init() {
    console.log("Initializing " + constants.ExtName + " background script.");

    // initialize local storage
    const keys = [
        constants.Enable,
        "TwitterAutoplay",
        "SetTwitterAutoplay",
        "LinkedInAutoplay",
        "SetLinkedInAutoplay",
        "FacebookAutoplay",
        "SetFacebookAutoplay",
        "YouTubeAutoplay"
    ]

    chrome.storage.local.get(keys, (result) => {
        for (const key of keys) {
            let currentKeyValue = result[key];
            if (currentKeyValue === undefined) {
                let initKeyValue = false;
                chrome.storage.local.set({ [key]: initKeyValue });
            }
        }
    });
}

function settingAutoPlay(site: string, toggled: boolean) {
    console.log("Set autopaly on", site, "to", toggled);
    if (site.includes(constants.Twitter)) {
        chrome.storage.local.set({ "SetTwitterAutoplay": toggled })
            .then(() => chrome.tabs.create({ url: "https://twitter.com/settings/autoplay" }));
    }
    else if (site.includes(constants.LinkedIn)) {
        chrome.storage.local.set({ "SetLinkedInAutoplay": toggled })
            .then(() => chrome.tabs.create({ url: "https://www.linkedin.com/mypreferences/d/settings/autoplay-videos" }));
    }
    else if (site.includes(constants.Facebook)) {
        chrome.storage.local.set({ "SetFacebookAutoplay": toggled })
            .then(() => chrome.tabs.create({ url: "https://www.facebook.com/settings?tab=videos" }));
    }
}

chrome.runtime.onMessage.addListener((msg, sender, sendResponse) => {
    if (msg.name !== "autoplay") {
        console.log("Ignoring non-autoplay event.");
        return;
    }

    console.log("UI wants the autoplay of " + msg.body.site +
        "' changed to '" + msg.body.state + "'.");
    settingAutoPlay(msg.body.site, msg.body.state);

})

export { };