// 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 {NamedRow} from '../../components/tracks/named_slice_track';
import {Slice} from '../../public/track';
import {
  CustomSqlTableDefConfig,
  CustomSqlTableSliceTrack,
} from '../../components/tracks/custom_sql_table_slice_track';
import {JANK_COLOR} from './jank_colors';
import {getColorForSlice} from '../../components/colorizer';
import {TrackEventSelection} from '../../public/selection';
import {ScrollJankV3DetailsPanel} from './scroll_jank_v3_details_panel';

const UNKNOWN_SLICE_NAME = 'Unknown';
const JANK_SLICE_NAME = ' Jank';

export class ScrollJankV3Track extends CustomSqlTableSliceTrack {
  getSqlDataSource(): CustomSqlTableDefConfig {
    return {
      columns: [
        `IIF(
          cause_of_jank IS NOT NULL,
          cause_of_jank || IIF(
            sub_cause_of_jank IS NOT NULL, "::" || sub_cause_of_jank, ""
            ), "${UNKNOWN_SLICE_NAME}") || "${JANK_SLICE_NAME}" AS name`,
        'id',
        'ts',
        'dur',
        'event_latency_id',
      ],
      sqlTableName: 'chrome_janky_frame_presentation_intervals',
    };
  }

  rowToSlice(row: NamedRow): Slice {
    const slice = super.rowToSlice(row);

    let stage = slice.title.substring(0, slice.title.indexOf(JANK_SLICE_NAME));
    // Stage may include substage, in which case we use the substage for
    // color selection.
    const separator = '::';
    if (stage.indexOf(separator) != -1) {
      stage = stage.substring(stage.indexOf(separator) + separator.length);
    }

    if (stage == UNKNOWN_SLICE_NAME) {
      return {...slice, colorScheme: JANK_COLOR};
    } else {
      return {...slice, colorScheme: getColorForSlice(stage)};
    }
  }

  override detailsPanel(sel: TrackEventSelection) {
    return new ScrollJankV3DetailsPanel(this.trace, sel.eventId);
  }
}