// Copyright 2014 The Chromium Authors
// Use of this source code is governed by a BSD-style license that can be
// found in the LICENSE file.

/* eslint-disable @devtools/no-imperative-dom-api */

import '../../../components/settings/settings.js';

import * as Common from '../../../../core/common/common.js';
import * as i18n from '../../../../core/i18n/i18n.js';
import * as Platform from '../../../../core/platform/platform.js';
import {Directives, html, nothing, render, type TemplateResult} from '../../../../ui/lit/lit.js';
import type * as Settings from '../../../components/settings/settings.js';
import * as VisualLogging from '../../../visual_logging/visual_logging.js';
import * as UI from '../../legacy.js';

const {createRef, ref} = Directives;

const UIStrings = {
  /**
   * @description Note when a setting change will require the user to reload DevTools
   */
  srequiresReload: '*Requires reload',
  /**
   * @description Message to display if a setting change requires a reload of DevTools
   */
  settingsChangedReloadDevTools: 'Settings changed. To apply, reload DevTools.',
} as const;
const str_ = i18n.i18n.registerUIStrings('ui/legacy/components/settings_ui/SettingsUI.ts', UIStrings);
const i18nString = i18n.i18n.getLocalizedString.bind(undefined, str_);

export function createSettingCheckbox(
    name: Common.UIString.LocalizedString, setting: Common.Settings.Setting<boolean>,
    tooltip?: string): UI.UIUtils.CheckboxLabel {
  const label = UI.UIUtils.CheckboxLabel.create(name, undefined, undefined, setting.name);
  label.name = name;
  UI.UIUtils.bindCheckbox(label, setting);
  if (tooltip) {
    UI.Tooltip.Tooltip.install(label, tooltip);
  }
  return label;
}

export function renderSettingSelect(setting: Common.Settings.Setting<unknown>, subtitle?: string): TemplateResult {
  const name = setting.title();
  const options = setting.options();
  const requiresReload = setting.reloadRequired();
  const {deprecation} = setting;
  const controlId = UI.ARIAUtils.nextId('labelledControl');
  const reloadWarningRef = createRef<HTMLParagraphElement>();

  const onSelectChange = (e: Event): void => {
    const select = e.target as HTMLSelectElement;
    setting.set(options[select.selectedIndex].value);
    if (requiresReload) {
      UI.InspectorView.InspectorView.instance().displayReloadRequiredWarning(
          i18nString(UIStrings.settingsChangedReloadDevTools));
      if (reloadWarningRef.value) {
        reloadWarningRef.value.classList.remove('hidden');
      }
    }
  };

  // clang-format off
  return html`
    <div class=${Directives.classMap({'chrome-select-label': Boolean(subtitle)})}>
      <p class="settings-select">
        <label for=${controlId}>
          ${name}
          ${subtitle ? html`<p>${subtitle}</p>` : nothing}
          ${deprecation ? html`<devtools-setting-deprecation-warning .data=${
              deprecation as Common.Settings.Deprecation}></devtools-setting-deprecation-warning>` :
                          nothing}
        </label>
        <select
          id=${controlId}
          aria-label=${name}
          .disabled=${setting.disabled()}
          @change=${onSelectChange}
          jslog=${VisualLogging.dropDown().track({change: true}).context(setting.name)}
        >
          ${options.map(option => {
            if (option.text && typeof option.value === 'string') {
              return html`
                <option
                  value=${option.value}
                  ?selected=${setting.get() === option.value}
                  jslog=${VisualLogging.item(Platform.StringUtilities.toKebabCase(option.value)).track({click: true})}
                >
                  ${option.text}
                </option>
              `;
            }
            return nothing;
          })}
        </select>
      </p>
      ${requiresReload ? html`
        <p ${ref(reloadWarningRef)} class="reload-warning hidden" role="alert" aria-live="polite">
          ${i18nString(UIStrings.srequiresReload)}
        </p>` : nothing}
    </div>
  `;
  // clang-format on
}

export const renderControlForSetting = function(
    setting: Common.Settings.Setting<unknown>, subtitle?: string): TemplateResult|typeof nothing {
  switch (setting.type()) {
    case Common.Settings.SettingType.BOOLEAN: {
      const onchange = (): void => {
        if (setting.reloadRequired()) {
          UI.InspectorView.InspectorView.instance().displayReloadRequiredWarning(
              i18nString(UIStrings.settingsChangedReloadDevTools));
        }
      };
      return html`<setting-checkbox .data=${{
        setting: setting as Common.Settings.Setting<boolean>
      } as Settings.SettingCheckbox.SettingCheckboxData} @change=${onchange}></setting-checkbox>`;
    }
    case Common.Settings.SettingType.ENUM: {
      return renderSettingSelect(setting, subtitle);
    }
    default:
      console.error('Invalid setting type: ' + setting.type());
      return nothing;
  }
};

export const createControlForSetting = function(
    setting: Common.Settings.Setting<unknown>, subtitle?: string): HTMLElement|null {
  const template = renderControlForSetting(setting, subtitle);
  if (template === nothing) {
    return null;
  }
  const fragment = document.createDocumentFragment();
  // eslint-disable-next-line @devtools/no-lit-render-outside-of-view
  render(template, fragment);
  return fragment.firstElementChild as HTMLElement;
};