// Copyright (C) 2023 The Android Open Source Project
//
// Licensed under the Apache License, Version 2.0 (the "License");
// you may not use this file except in compliance with the License.
// You may obtain a copy of the License at
//
//      http://www.apache.org/licenses/LICENSE-2.0
//
// Unless required by applicable law or agreed to in writing, software
// distributed under the License is distributed on an "AS IS" BASIS,
// WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
// See the License for the specific language governing permissions and
// limitations under the License.

import m from 'mithril';
import {copyToClipboard} from '../../base/clipboard';
import {assertExists} from '../../base/logging';
import {Icons} from '../../base/semantic_icons';
import {duration} from '../../base/time';
import {AppImpl} from '../../core/app_impl';
import {Anchor} from '../../widgets/anchor';
import {MenuDivider, MenuItem, PopupMenu2} from '../../widgets/menu';
import {Trace} from '../../public/trace';
import {formatDuration} from '../time_utils';
import {DurationPrecisionMenuItem} from './duration_precision_menu_items';
import {TimestampFormatMenuItem} from './timestamp_format_menu';

interface DurationWidgetAttrs {
  dur: duration;
  extraMenuItems?: m.Child[];
}

export class DurationWidget implements m.ClassComponent<DurationWidgetAttrs> {
  private readonly trace: Trace;

  constructor() {
    // TODO(primiano): the Trace object should be injected into the attrs, but
    // there are too many users of this class and doing so requires a larger
    // refactoring CL. Either that or we should find a different way to plumb
    // the hoverCursorTimestamp.
    this.trace = assertExists(AppImpl.instance.trace);
  }

  view({attrs}: m.Vnode<DurationWidgetAttrs>) {
    const {dur} = attrs;

    if (dur === -1n) {
      return '(Did not end)';
    }

    return m(
      PopupMenu2,
      {
        trigger: m(Anchor, formatDuration(this.trace, dur)),
      },
      m(MenuItem, {
        icon: Icons.Copy,
        label: `Copy raw value`,
        onclick: () => {
          copyToClipboard(dur.toString());
        },
      }),
      m(TimestampFormatMenuItem, {trace: this.trace}),
      m(DurationPrecisionMenuItem, {trace: this.trace}),
      attrs.extraMenuItems ? [m(MenuDivider), attrs.extraMenuItems] : null,
    );
  }
}