/* 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 EdDialogCommon.js */

var insertNew = true;
var tagname = "TAG NAME";
var gColor = "";
var LastPickedColor = "";
var ColorType = "Text";
var TextType = false;
var HighlightType = false;
var TableOrCell = false;
var LastPickedIsDefault = true;
var NoDefault = false;
var gColorObj;

// dialog initialization code

window.addEventListener("load", Startup);
document.addEventListener("dialogaccept", onAccept);
document.addEventListener("dialogcancel", onCancelColor);

function Startup() {
  // window.arguments[1] is object to get initial values and return color data
  gColorObj = window.arguments[1];
  gColorObj.Cancel = false;

  gDialog.ColorPicker = document.getElementById("ColorPicker");
  gDialog.ColorInput = document.getElementById("ColorInput");
  gDialog.LastPickedButton = document.getElementById("LastPickedButton");
  gDialog.LastPickedColor = document.getElementById("LastPickedColor");
  gDialog.CellOrTableGroup = document.getElementById("CellOrTableGroup");
  gDialog.TableRadio = document.getElementById("TableRadio");
  gDialog.CellRadio = document.getElementById("CellRadio");
  gDialog.ColorSwatch = document.getElementById("ColorPickerSwatch");
  gDialog.Ok = document.querySelector("dialog").getButton("accept");

  // The type of color we are setting:
  //  text: Text, Link, ActiveLink, VisitedLink,
  //  or background: Page, Table, or Cell
  if (gColorObj.Type) {
    ColorType = gColorObj.Type;
    // Get string for dialog title from passed-in type
    //   (note constraint on editor.properties string name)
    const IsCSSPrefChecked = Services.prefs.getBoolPref("editor.use_css");

    if (GetCurrentEditor()) {
      if (ColorType == "Page" && IsCSSPrefChecked && IsHTMLEditor()) {
        document.title = GetString("BlockColor");
      } else {
        document.title = GetString(ColorType + "Color");
      }
    }
  }

  gDialog.ColorInput.value = "";
  var tmpColor;
  var haveTableRadio = false;

  switch (ColorType) {
    case "Page":
      tmpColor = gColorObj.PageColor;
      if (tmpColor && tmpColor.toLowerCase() != "window") {
        gColor = tmpColor;
      }
      break;
    case "Table":
      if (gColorObj.TableColor) {
        gColor = gColorObj.TableColor;
      }
      break;
    case "Cell":
      if (gColorObj.CellColor) {
        gColor = gColorObj.CellColor;
      }
      break;
    case "TableOrCell":
      TableOrCell = true;
      document.getElementById("TableOrCellGroup").collapsed = false;
      haveTableRadio = true;
      if (gColorObj.SelectedType == "Cell") {
        gColor = gColorObj.CellColor;
        gDialog.CellOrTableGroup.selectedItem = gDialog.CellRadio;
        gDialog.CellRadio.focus();
      } else {
        gColor = gColorObj.TableColor;
        gDialog.CellOrTableGroup.selectedItem = gDialog.TableRadio;
        gDialog.TableRadio.focus();
      }
      break;
    case "Highlight":
      HighlightType = true;
      if (gColorObj.HighlightColor) {
        gColor = gColorObj.HighlightColor;
      }
      break;
    default:
      // Any other type will change some kind of text,
      TextType = true;
      tmpColor = gColorObj.TextColor;
      if (tmpColor && tmpColor.toLowerCase() != "windowtext") {
        gColor = gColorObj.TextColor;
      }
      break;
  }

  // Set initial color in input field and in the colorpicker
  SetCurrentColor(gColor);
  gDialog.ColorPicker.value = gColor;

  // Use last-picked colors passed in, or those persistent on dialog
  if (TextType) {
    if (!("LastTextColor" in gColorObj) || !gColorObj.LastTextColor) {
      gColorObj.LastTextColor =
        gDialog.LastPickedColor.getAttribute("LastTextColor");
    }
    LastPickedColor = gColorObj.LastTextColor;
  } else if (HighlightType) {
    if (!("LastHighlightColor" in gColorObj) || !gColorObj.LastHighlightColor) {
      gColorObj.LastHighlightColor =
        gDialog.LastPickedColor.getAttribute("LastHighlightColor");
    }
    LastPickedColor = gColorObj.LastHighlightColor;
  } else {
    if (
      !("LastBackgroundColor" in gColorObj) ||
      !gColorObj.LastBackgroundColor
    ) {
      gColorObj.LastBackgroundColor = gDialog.LastPickedColor.getAttribute(
        "LastBackgroundColor"
      );
    }
    LastPickedColor = gColorObj.LastBackgroundColor;
  }

  // Set method to detect clicking on OK button
  //  so we don't get fooled by changing "default" behavior
  gDialog.Ok.setAttribute("onclick", "SetDefaultToOk()");

  if (!LastPickedColor) {
    // Hide the button, as there is no last color available.
    gDialog.LastPickedButton.hidden = true;
  } else {
    gDialog.LastPickedColor.setAttribute(
      "style",
      "background-color: " + LastPickedColor
    );

    // Make "Last-picked" the default button, until the user selects a color.
    gDialog.Ok.removeAttribute("default");
    gDialog.LastPickedButton.setAttribute("default", "true");
  }

  // Caller can prevent user from submitting an empty, i.e., default color
  NoDefault = gColorObj.NoDefault;
  if (NoDefault) {
    // Hide the "Default button -- user must pick a color
    document.getElementById("DefaultColorButton").collapsed = true;
  }

  // Set focus to colorpicker if not set to table radio buttons above
  if (!haveTableRadio) {
    gDialog.ColorPicker.focus();
  }

  SetWindowLocation();
}

function SelectColor() {
  var color = gDialog.ColorPicker.value;
  if (color) {
    SetCurrentColor(color);
  }
}

function RemoveColor() {
  SetCurrentColor("");
  gDialog.ColorInput.focus();
  SetDefaultToOk();
}

function SelectColorByKeypress(aEvent) {
  if (aEvent.charCode == aEvent.DOM_VK_SPACE) {
    SelectColor();
    SetDefaultToOk();
  }
}

function SelectLastPickedColor() {
  SetCurrentColor(LastPickedColor);
  if (onAccept()) {
    // window.close();
    return true;
  }

  return false;
}

function SetCurrentColor(color) {
  // TODO: Validate color?
  if (!color) {
    color = "";
  }
  gColor = TrimString(color).toLowerCase();
  if (gColor == "mixed") {
    gColor = "";
  }
  gDialog.ColorInput.value = gColor;
  SetColorSwatch();
}

function SetColorSwatch() {
  gDialog.ColorSwatch.setAttribute(
    "style",
    `background-color: ${TrimString(gDialog.ColorInput.value) || "inherit"}`
  );
}

function SetDefaultToOk() {
  gDialog.LastPickedButton.removeAttribute("default");
  gDialog.Ok.setAttribute("default", "true");
  LastPickedIsDefault = false;
}

function ValidateData() {
  if (LastPickedIsDefault) {
    gColor = LastPickedColor;
  } else {
    gColor = gDialog.ColorInput.value;
  }

  gColor = TrimString(gColor).toLowerCase();

  // TODO: Validate the color string!

  if (NoDefault && !gColor) {
    ShowInputErrorMessage(GetString("NoColorError"));
    SetTextboxFocus(gDialog.ColorInput);
    return false;
  }
  return true;
}

function onAccept(event) {
  if (!ValidateData()) {
    event.preventDefault();
    return;
  }

  // Set return values and save in persistent color attributes
  if (TextType) {
    gColorObj.TextColor = gColor;
    if (gColor.length > 0) {
      gDialog.LastPickedColor.setAttribute("LastTextColor", gColor);
      gColorObj.LastTextColor = gColor;
    }
  } else if (HighlightType) {
    gColorObj.HighlightColor = gColor;
    if (gColor.length > 0) {
      gDialog.LastPickedColor.setAttribute("LastHighlightColor", gColor);
      gColorObj.LastHighlightColor = gColor;
    }
  } else {
    gColorObj.BackgroundColor = gColor;
    if (gColor.length > 0) {
      gDialog.LastPickedColor.setAttribute("LastBackgroundColor", gColor);
      gColorObj.LastBackgroundColor = gColor;
    }
    // If table or cell requested, tell caller which element to set on
    if (TableOrCell && gDialog.TableRadio.selected) {
      gColorObj.Type = "Table";
    }
  }
  SaveWindowLocation();
}

function onCancelColor() {
  // Tells caller that user canceled
  gColorObj.Cancel = true;
  SaveWindowLocation();
}