/* -----------------------------------------------
/* Authors: OlyB and Yoct
/* GNU Affero General Public License v3.0: https://www.gnu.org/licenses/agpl-3.0.en.html
/* Adapted and modified by Yoct.
/* Settings Menu
/* ----------------------------------------------- */


//  Encase everything in a new scope so that variables are not accidentally
//  attached to the global scope.
(() => {

//  Determine the expiration date of a new cookie.
let date = new Date();
date.setFullYear(date.getFullYear() + 100);
date = date.toUTCString();

//  All cookies should be secure and are intended to work in iframes.
const setCookie = (name, value) => {
    document.cookie = name + `=${encodeURIComponent(value)}; expires=${date}; SameSite=None; Secure;`;
  },

  removeCookie = name => {
    document.cookie = name + "=; expires=Thu, 01 Jan 1970 00:00:01 GMT; SameSite=None; Secure;";
  },

  readCookie = async name => {
    for (let cookie of document.cookie.split("; "))
//    Get the first cookie that has the same name.
      if (!cookie.indexOf(name + "="))
//      Return the cookie's stored content.
        return decodeURIComponent(cookie.slice(name.length + 1));
  },

//  Customize the page's title.
  pageTitle = value => {
    let tag = document.getElementsByTagName("title")[0] || document.createElement("title");
    tag.innerHTML = value;
    document.head.appendChild(tag);
  },

//  Set the page's favicon to a new URL.
  pageIcon = value => {
    let tag = document.querySelector("link[rel*='icon']") || document.createElement("link");
    tag.rel = "icon";
    tag.href = value;
    document.head.appendChild(tag);
  },

//  Make a small stylesheet to override a setting from the main stylesheet.
  pageShowAds = () => {
    let advertising = document.createElement("style");
    advertising.id = "advertising";
    advertising.innerText = ".ad { display:block; }";
    (document.head || document.body || document.documentElement || document).appendChild(advertising);
  },

//  Remove the stylesheet made by the function above, if it exists.
  pageHideAds = () => {
    (document.getElementById("advertising")||new Text()).remove();
  },

//  These titles and icons are used as autofill templates by settings.html.
//  The icon URLs and tab titles may need to be updated over time.
  presetIcons = Object.freeze({
    "": " \n ",
    "Google": "Google \n https://www.google.com/favicon.ico",
    "Bing": "Bing \n https://www.bing.com/sa/simg/favicon-trans-bg-blue-mg-28.ico",
    "Google Drive": "Home - Google Drive \n https://ssl.gstatic.com/images/branding/product/2x/drive_2020q4_48dp.png",
    "Gmail": "Inbox - Gmail \n https://ssl.gstatic.com/ui/v1/icons/mail/rfr/gmail.ico"
  }),

//  Choose the default transport mode, for proxying, based on the browser.
//  Firefox is not supported by epoxy yet, which is why this is implemented.
  defaultMode = /(?:Chrome|AppleWebKit)\//.test(navigator.userAgent)
    ? "epoxy"
    : "libcurl";


//  Load a custom page title and favicon if it was previously stored.
readCookie("HBTitle").then(s => {(s != undefined) && pageTitle(s)});
readCookie("HBIcon").then(s => {(s != undefined) && pageIcon(s)});

//  Load the UV transport mode that was last used, or use the default.
readCookie("HBTransport").then(s => {
  let list = document.getElementById("transport-list");
  if (list != undefined && list.options.length) {
      let options = [...list.options];
      const offset =
          (options.findIndex(e => e.value === defaultMode) + 1 || 1) - 1;
      list.selectedIndex =
          (options.findIndex(e => e.value === s) + 1 || offset + 1) - 1;
  }
});

//  Ads are disabled by default. Load ads if ads were enabled previously.
//  Change !== to === here if ads should be enabled by default.
readCookie("HBHideAds").then(s => {(s !== "false") ? pageHideAds() : pageShowAds((document.getElementById("hideads") || {}).checked = 0)});

//  Tor is disabled by default. Enable Tor if it was enabled previously.
readCookie("HBUseOnion").then(s => {if (s === "true") {
  let torCheck = document.getElementById("useonion") ||
    {dispatchEvent: () => {}};
  torCheck.checked = 1;
  torCheck.dispatchEvent(new Event("change"));
}});


//  All code below is used by the Settings UI in the navigation bar.
if (document.getElementById("csel")) {
  const attachEventListener = (selector, ...args) => (
      document.getElementById(selector) ||
      document.querySelector(selector)
    ).addEventListener(...args);

  attachEventListener(".dropdown-settings .close-settings-btn", "click",
    () => {document.activeElement.blur()}
  );

//  Allow users to set a custom title with the UI.
  attachEventListener("titleform", "submit", e => {
    e.preventDefault();
    e = e.target.firstElementChild;
    if (e.value) {
      pageTitle(e.value);
      setCookie("HBTitle", e.value);
      e.value = "";
    } else alert("Please provide a title.");
  });

//  Allow users to set a custom favicon with the UI.
  attachEventListener("iconform", "submit", e => {
    e.preventDefault();
    e = e.target.firstElementChild;
    if (e.value) {
      pageIcon(e.value);
      setCookie("HBIcon", e.value);
      e.value = "";
    } else alert("Please provide an icon URL.");
  });

//  Allow users to reset the title and favicon to default with the UI.
  attachEventListener("cselreset", "click", () => {
    if (confirm("Reset the title and icon to default?")) {
      removeCookie("HBTitle");
      removeCookie("HBIcon");
      pageTitle("Holy Unblocker");
      pageIcon("assets/img/icon.png");
    }
  });

//  Allow users to make a new about:blank tab and view the site from there.
//  An iframe of the current page is inserted into the new tab.
  attachEventListener("cselab", "click", () => {
    let win = window.open();
    let iframe = win.document.createElement("iframe");
    iframe.style = "width: 100%; height: 100%; border: none; overflow: hidden; margin: 0; padding: 0; position: fixed; top: 0; left: 0";
    iframe.src = location.href;
    win.document.body.appendChild(iframe);
  });

//  Provides users with a handy set of title and icon autofill options.
  attachEventListener("icon-list", "change", e => {
    let titleform = document.getElementById("titleform"),
    iconform = document.getElementById("iconform");
    [titleform.firstElementChild.value,
    iconform.firstElementChild.value] =
      (presetIcons[e.target.value] || " \n ").split(" \n ");
  });

//  Allow users to change the UV transport mode, for proxying, with the UI.
  attachEventListener("transport-list", "change", e => {
    e.target.selectedIndex < 0 || e.target.value === defaultMode
      ? removeCookie("HBTransport")
      : setCookie("HBTransport", e.target.value);

//  Only the libcurl transport mode supports Tor at the moment.
    let torCheck = document.getElementById("useonion");
    if(e.target.value !== "libcurl" && torCheck.checked)
      torCheck.click();
  });

//  Allow users to toggle ads with the UI.
  attachEventListener("hideads", "change", e => {
    if (e.target.checked) {
      pageHideAds();
      setCookie("HBHideAds", "true");
    } else {
      pageShowAds();
      setCookie("HBHideAds", "false");
    }
  });

//  Allow users to toggle onion routing in Ultraviolet with the UI. Only
//  the libcurl transport mode supports Tor at the moment, so ensure that
//  users are aware that they cannot use Tor with other modes.
  attachEventListener("useonion", "change", e => {
    let list = document.getElementById("transport-list");
    let options = [...list.options];
    if (e.target.checked) {
      list.selectedIndex = 
        (options.findIndex(e => e.value === "libcurl") + 1 || 1) - 1;
      options.splice(list.selectedIndex, 1);
      options.forEach(e => {e.setAttribute("disabled", "true")});
      list.dispatchEvent(new Event("change"));
      setCookie("HBUseOnion", "true");
    } else {
      options.splice(list.selectedIndex, 1);
      options.forEach(e => {e.removeAttribute("disabled")});

//    Tor will likely never be enabled by default, so removing the cookie
//    here may be better than setting it to false.
      removeCookie("HBUseOnion");
    }
  });
}

})();


/* ----------------------------------------------- 
/* Original code written by OlyB
/* -----------------------------------------------


(function() {
    let date = new Date();
    date.setFullYear(date.getFullYear() + 100);
    date = date.toUTCString();

    let csel = document.getElementById("csel");

    function setCookie(name, value) {
        document.cookie = name + "=" + encodeURIComponent(value) + "; expires=" + date + "; ";
    }

    function removeCookie(name) {
        document.cookie = name + "=; expires=Thu, 01 Jan 1970 00:00:01 GMT; ";
    }

    async function readCookie(name) {
        let cookie = document.cookie.split("; ");
        let cookies = {};
        for (let i = 0; i < cookie.length; i++) {
            let p = cookie[i].split("=");
            cookies[p[0]] = p[1];
        }
        return decodeURIComponent(cookies[name]);
    }

    function pageTitle(value) {
        let tag = document.getElementsByTagName("title")[0] || document.createElement("title");
        tag.innerHTML = value;
        document.head.appendChild(tag);
    }

    function pageIcon(value) {
        let tag = document.querySelector("link[rel*='icon']") || document.createElement("link");
        tag.rel = "icon";
        tag.href = value;
        document.head.appendChild(tag);
    }

    function setTitle(value) {
        pageTitle(value);
        setCookie("HBTitle", value);
    }

    function setIcon(value) {
        pageIcon(value);
        setCookie("HBIcon", value);
    }

    function pageHideAds() {
        document.querySelectorAll(".ad").forEach(n => n.style.display = "none");
    }

    function pageShowAds() {
        document.querySelectorAll(".ad").forEach(n => n.style.display = "block");
    }

    function hideAds() {
        pageHideAds();
        setCookie("HBHideAds", "true");
    }

    // Ghetto Default Disable Ads
    setCookie("HBHideAds", "true");

    function showAds() {
        pageShowAds();
        removeCookie("HBHideAds");
    }

    readCookie("HBTitle").then(s => (s != "undefined") && pageTitle(s));
    readCookie("HBIcon").then(s => (s != "undefined") && pageIcon(s));

    readCookie("HBHideAds").then(s => (s != "undefined") && (function() { pageHideAds(); (document.getElementById("hideads") || {}).checked = "true"; })());

    if (csel) {
        csel.innerHTML = 
decodeURIComponent(atob("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"));
        document.getElementById("titleform").addEventListener("submit", function(e) {
            e.preventDefault();
            if (this.firstElementChild.value) {
                setTitle(this.firstElementChild.value);
                this.firstElementChild.value = "";
            } else {
                alert("Please provide a title.");
            }
        }, false);

        document.getElementById("iconform").addEventListener("submit", function(e) {
            e.preventDefault();
            if (this.firstElementChild.value) {
                setIcon(this.firstElementChild.value);
                this.firstElementChild.value = "";
            } else {
                alert("Please provide an icon URL.");
            }
        }, false);

        document.getElementById("cselreset").addEventListener("click", function() {
            if (confirm("Reset the title and icon to default?")) {
                removeCookie("HBTitle");
                removeCookie("HBIcon");
                pageTitle("H&shy;o&shy;ly Un&shy;blo&shy;ck&shy;er");
                pageIcon("assets/img/icon.png");
            }
        }, false);

        document.getElementById("cselab").addEventListener("click", function () {
            var win = window.open()
            var url = `${window.location.href}`
            var iframe = win.document.createElement('iframe')
            iframe.style.width = "100%";
            iframe.style.height = "100%";
            iframe.style.border = "none";
            iframe.style.overflow = "hidden";
            iframe.style.margin = "0";
            iframe.style.padding = "0";
            iframe.style.position = "fixed";
            iframe.style.top = "0";
            iframe.style.bottom = "0";
            iframe.style.left = "0";
            iframe.style.right = "0";
            iframe.src = url;
            win.document.body.appendChild(iframe)
        });

        document.getElementById("hideads").addEventListener("change", function(e) {
            e.target.checked ? hideAds() : showAds();
        }, false);
    }
})();
*/