/* This Source Code Form is subject to the terms of the Mozilla Public
 * License, v. 2.0. If a copy of the MPL was not distributed with this
 * file, You can obtain one at http://mozilla.org/MPL/2.0/. */

/* import-globals-from ../../composer/content/editorUtilities.js */
/* import-globals-from EdDialogCommon.js */

var gNewTitle = "";
var gAuthor = "";
var gDescription = "";
var gAuthorElement;
var gDescriptionElement;
var gInsertNewAuthor = false;
var gInsertNewDescription = false;
var gTitleWasEdited = false;
var gAuthorWasEdited = false;
var gDescWasEdited = false;

// Cancel() is in EdDialogCommon.js
// dialog initialization code

document.addEventListener("dialogaccept", onAccept);
document.addEventListener("dialogcancel", onCancel);

function Startup() {
  var editor = GetCurrentEditor();
  if (!editor) {
    window.close();
    return;
  }

  gDialog.PageLocation = document.getElementById("PageLocation");
  gDialog.PageModDate = document.getElementById("PageModDate");
  gDialog.TitleInput = document.getElementById("TitleInput");
  gDialog.AuthorInput = document.getElementById("AuthorInput");
  gDialog.DescriptionInput = document.getElementById("DescriptionInput");

  // Default string for new page is set from DTD string in XUL,
  //   so set only if not new doc URL
  var location = GetDocumentUrl();
  var lastmodString = GetString("Unknown");

  if (!IsUrlAboutBlank(location)) {
    // NEVER show username and password in clear text
    gDialog.PageLocation.setAttribute("value", StripPassword(location));

    // Get last-modified file date+time
    // TODO: Convert this to local time?
    var lastmod;
    try {
      lastmod = editor.document.lastModified; // get string of last modified date
    } catch (e) {}
    // Convert modified string to date (0 = unknown date or January 1, 1970 GMT)
    if (Date.parse(lastmod)) {
      try {
        const dateTimeFormatter = new Services.intl.DateTimeFormat(undefined, {
          dateStyle: "long",
          timeStyle: "short",
        });

        var lastModDate = new Date();
        lastModDate.setTime(Date.parse(lastmod));
        lastmodString = dateTimeFormatter.format(lastModDate);
      } catch (e) {}
    }
  }
  gDialog.PageModDate.value = lastmodString;

  gAuthorElement = GetMetaElementByAttribute("name", "author");
  if (!gAuthorElement) {
    gAuthorElement = CreateMetaElementWithAttribute("name", "author");
    if (!gAuthorElement) {
      window.close();
      return;
    }
    gInsertNewAuthor = true;
  }

  gDescriptionElement = GetMetaElementByAttribute("name", "description");
  if (!gDescriptionElement) {
    gDescriptionElement = CreateMetaElementWithAttribute("name", "description");
    if (!gDescriptionElement) {
      window.close();
    }

    gInsertNewDescription = true;
  }

  InitDialog();

  SetTextboxFocus(gDialog.TitleInput);

  SetWindowLocation();
}

function InitDialog() {
  gDialog.TitleInput.value = GetDocumentTitle();

  var gAuthor = TrimString(gAuthorElement.getAttribute("content"));
  if (!gAuthor) {
    // Fill in with value from editor prefs
    gAuthor = Services.prefs.getCharPref("editor.author");
  }
  gDialog.AuthorInput.value = gAuthor;
  gDialog.DescriptionInput.value = gDescriptionElement.getAttribute("content");
}

function TextboxChanged(ID) {
  switch (ID) {
    case "TitleInput":
      gTitleWasEdited = true;
      break;
    case "AuthorInput":
      gAuthorWasEdited = true;
      break;
    case "DescriptionInput":
      gDescWasEdited = true;
      break;
  }
}

function ValidateData() {
  gNewTitle = TrimString(gDialog.TitleInput.value);
  gAuthor = TrimString(gDialog.AuthorInput.value);
  gDescription = TrimString(gDialog.DescriptionInput.value);
  return true;
}

function onAccept(event) {
  if (ValidateData()) {
    var editor = GetCurrentEditor();
    editor.beginTransaction();

    // Set title contents even if string is empty
    //  because TITLE is a required HTML element
    if (gTitleWasEdited) {
      SetDocumentTitle(gNewTitle);
    }

    if (gAuthorWasEdited) {
      SetMetaElementContent(gAuthorElement, gAuthor, gInsertNewAuthor, false);
    }

    if (gDescWasEdited) {
      SetMetaElementContent(
        gDescriptionElement,
        gDescription,
        gInsertNewDescription,
        false
      );
    }

    editor.endTransaction();

    SaveWindowLocation();
    return; // do close the window
  }
  event.preventDefault();
}