// Copyright 2019 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

#include "chrome/browser/ui/test/test_infobar.h"

#include <algorithm>
#include <iterator>

#include "chrome/browser/infobars/test_support/infobar_observer.h"
#include "chrome/browser/ui/browser_window/public/browser_window_interface.h"
#include "chrome/browser/ui/tabs/tab_strip_model.h"
#include "components/infobars/content/content_infobar_manager.h"
#include "components/infobars/core/infobar.h"
#include "components/tabs/public/tab_interface.h"

TestInfoBar::TestInfoBar() = default;

TestInfoBar::~TestInfoBar() = default;

void TestInfoBar::PreShow() {
  starting_infobars_ = GetNewInfoBars().value();
}

bool TestInfoBar::VerifyUi() {
  auto infobars = GetNewInfoBars();
  if (!infobars || infobars->empty()) {
    return false;
  }

  return std::ranges::equal(*infobars, expected_identifiers_, {},
                            &infobars::InfoBar::GetIdentifier);
}

void TestInfoBar::WaitForUserDismissal() {
  while (!GetNewInfoBars().value_or(InfoBars()).empty()) {
    InfoBarObserver observer(GetInfoBarManager(),
                             InfoBarObserver::Type::kInfoBarRemoved);
    observer.Wait();
  }
}

void TestInfoBar::AddExpectedInfoBar(
    infobars::InfoBarDelegate::InfoBarIdentifier identifier) {
  expected_identifiers_.push_back(identifier);
}

content::WebContents* TestInfoBar::GetWebContents() {
  return GetBrowserWindowInterface()
      ->GetTabStripModel()
      ->GetActiveWebContents();
}

const content::WebContents* TestInfoBar::GetWebContents() const {
  return GetBrowserWindowInterface()
      ->GetTabStripModel()
      ->GetActiveWebContents();
}

tabs::TabInterface* TestInfoBar::GetTab() {
  return GetBrowserWindowInterface()->GetTabStripModel()->GetActiveTab();
}

const tabs::TabInterface* TestInfoBar::GetTab() const {
  return GetBrowserWindowInterface()->GetTabStripModel()->GetActiveTab();
}

infobars::ContentInfoBarManager* TestInfoBar::GetInfoBarManager() {
  return const_cast<infobars::ContentInfoBarManager*>(
      static_cast<const TestInfoBar*>(this)->GetInfoBarManager());
}

const infobars::ContentInfoBarManager* TestInfoBar::GetInfoBarManager() const {
  // There may be no web contents if the browser window is closing.
  const content::WebContents* web_contents = GetWebContents();
  return web_contents
             ? infobars::ContentInfoBarManager::FromWebContents(web_contents)
             : nullptr;
}

std::optional<TestInfoBar::InfoBars> TestInfoBar::GetNewInfoBars() const {
  const infobars::ContentInfoBarManager* infobar_manager = GetInfoBarManager();
  if (!infobar_manager) {
    return std::nullopt;
  }
  const auto& infobars = infobar_manager->infobars();
  if ((infobars.size() < starting_infobars_.size()) ||
      !std::equal(starting_infobars_.begin(), starting_infobars_.end(),
                  infobars.begin())) {
    return std::nullopt;
  }
  return InfoBars(std::next(infobars.begin(), starting_infobars_.size()),
                  infobars.end());
}
