/* Any copyright is dedicated to the Public Domain.
   http://creativecommons.org/publicdomain/zero/1.0/ */

/**
 * Tests if blackboxing a program works properly.
 */

function ifWebGLSupported() {
  let { target, debuggee, panel } = yield initShaderEditor(MULTIPLE_CONTEXTS_URL);
  let { gFront, EVENTS, ShadersListView, ShadersEditorsView } = panel.panelWin;

  once(panel.panelWin, EVENTS.SHADER_COMPILED).then(() => {
    ok(false, "No shaders should be publicly compiled during this test.");
  });

  reload(target);
  let [[firstProgramActor, secondProgramActor]] = yield promise.all([
    getPrograms(gFront, 2),
    once(panel.panelWin, EVENTS.SOURCES_SHOWN)
  ]);

  let vsEditor = yield ShadersEditorsView._getEditor("vs");
  let fsEditor = yield ShadersEditorsView._getEditor("fs");

  vsEditor.once("change", () => {
    ok(false, "The vertex shader source was unexpectedly changed.");
  });
  fsEditor.once("change", () => {
    ok(false, "The fragment shader source was unexpectedly changed.");
  });
  once(panel.panelWin, EVENTS.SOURCES_SHOWN).then(() => {
    ok(false, "No sources should be changed form this point onward.");
  });

  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 255, g: 255, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 255, b: 255, a: 255 }, true, "#canvas2");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 255, g: 255, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 255, b: 255, a: 255 }, true, "#canvas2");

  ok(!ShadersListView.selectedAttachment.isBlackBoxed,
    "The first program should not be blackboxed yet.");
  is(getBlackBoxCheckbox(panel, 0).checked, true,
    "The first blackbox checkbox should be initially checked.");
  ok(!ShadersListView.attachments[1].isBlackBoxed,
    "The second program should not be blackboxed yet.");
  is(getBlackBoxCheckbox(panel, 1).checked, true,
    "The second blackbox checkbox should be initially checked.");

  getBlackBoxCheckbox(panel, 0).click();

  ok(ShadersListView.selectedAttachment.isBlackBoxed,
    "The first program should now be blackboxed.");
  is(getBlackBoxCheckbox(panel, 0).checked, false,
    "The first blackbox checkbox should now be unchecked.");
  ok(!ShadersListView.attachments[1].isBlackBoxed,
    "The second program should still not be blackboxed.");
  is(getBlackBoxCheckbox(panel, 1).checked, true,
    "The second blackbox checkbox should still be checked.");

  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 255, b: 255, a: 255 }, true, "#canvas2");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 255, b: 255, a: 255 }, true, "#canvas2");
  ok(true, "The first program was correctly blackboxed.");

  getBlackBoxCheckbox(panel, 1).click();

  ok(ShadersListView.selectedAttachment.isBlackBoxed,
    "The first program should still be blackboxed.");
  is(getBlackBoxCheckbox(panel, 0).checked, false,
    "The first blackbox checkbox should still be unchecked.");
  ok(ShadersListView.attachments[1].isBlackBoxed,
    "The second program should now be blackboxed.");
  is(getBlackBoxCheckbox(panel, 1).checked, false,
    "The second blackbox checkbox should now be unchecked.");

  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas2");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas2");
  ok(true, "The second program was correctly blackboxed.");

  ShadersListView._onProgramMouseOver({ target: getItemLabel(panel, 0) });

  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas2");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas2");
  ok(true, "Highlighting shouldn't work while blackboxed (1).");

  ShadersListView._onProgramMouseOut({ target: getItemLabel(panel, 0) });
  ShadersListView._onProgramMouseOver({ target: getItemLabel(panel, 1) });

  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas2");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas2");
  ok(true, "Highlighting shouldn't work while blackboxed (2).");

  ShadersListView._onProgramMouseOut({ target: getItemLabel(panel, 1) });

  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas2");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 0, b: 0, a: 255 }, true, "#canvas2");
  ok(true, "Highlighting shouldn't work while blackboxed (3).");

  getBlackBoxCheckbox(panel, 0).click();
  getBlackBoxCheckbox(panel, 1).click();

  ok(!ShadersListView.selectedAttachment.isBlackBoxed,
    "The first program should now be unblackboxed.");
  is(getBlackBoxCheckbox(panel, 0).checked, true,
    "The first blackbox checkbox should now be rechecked.");
  ok(!ShadersListView.attachments[1].isBlackBoxed,
    "The second program should now be unblackboxed.");
  is(getBlackBoxCheckbox(panel, 1).checked, true,
    "The second blackbox checkbox should now be rechecked.");

  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 255, g: 255, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 255, b: 255, a: 255 }, true, "#canvas2");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 255, g: 255, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 255, b: 255, a: 255 }, true, "#canvas2");
  ok(true, "The two programs were correctly unblackboxed.");

  ShadersListView._onProgramMouseOver({ target: getItemLabel(panel, 0) });

  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 255, g: 0, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 255, b: 255, a: 255 }, true, "#canvas2");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 255, g: 0, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 255, b: 255, a: 255 }, true, "#canvas2");
  ok(true, "The first program was correctly highlighted.");

  ShadersListView._onProgramMouseOut({ target: getItemLabel(panel, 0) });
  ShadersListView._onProgramMouseOver({ target: getItemLabel(panel, 1) });

  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 255, g: 255, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 0, b: 64, a: 255 }, true, "#canvas2");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 255, g: 255, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 0, b: 64, a: 255 }, true, "#canvas2");
  ok(true, "The second program was correctly highlighted.");

  ShadersListView._onProgramMouseOut({ target: getItemLabel(panel, 1) });

  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 255, g: 255, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 0, y: 0 }, { r: 0, g: 255, b: 255, a: 255 }, true, "#canvas2");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 255, g: 255, b: 0, a: 255 }, true, "#canvas1");
  yield ensurePixelIs(gFront, { x: 127, y: 127 }, { r: 0, g: 255, b: 255, a: 255 }, true, "#canvas2");
  ok(true, "The two programs were correctly unhighlighted.");

  yield teardown(panel);
  finish();
}

function getItemLabel(aPanel, aIndex) {
  return aPanel.panelWin.document.querySelectorAll(
    ".side-menu-widget-item-contents")[aIndex];
}

function getBlackBoxCheckbox(aPanel, aIndex) {
  return aPanel.panelWin.document.querySelectorAll(
    ".side-menu-widget-item-checkbox")[aIndex];
}

function once(aTarget, aEvent) {
  let deferred = promise.defer();
  aTarget.once(aEvent, deferred.resolve);
  return deferred.promise;
}