/*
 * Copyright (C) 2022 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 {UnitTestUtils} from 'test/unit/utils';
import {WindowManagerState} from 'trace/flickerlib/windows/WindowManagerState';
import {Parser} from 'trace/parser';
import {Timestamp, TimestampType} from 'trace/timestamp';
import {TraceType} from 'trace/trace_type';

describe('ParserWindowManager', () => {
  describe('trace with elapsed + real timestamp', () => {
    let parser: Parser<WindowManagerState>;

    beforeAll(async () => {
      parser = await UnitTestUtils.getParser('traces/elapsed_and_real_timestamp/WindowManager.pb');
    });

    it('has expected trace type', () => {
      expect(parser.getTraceType()).toEqual(TraceType.WINDOW_MANAGER);
    });

    it('provides elapsed timestamps', () => {
      const expected = [
        new Timestamp(TimestampType.ELAPSED, 14474594000n),
        new Timestamp(TimestampType.ELAPSED, 15398076788n),
        new Timestamp(TimestampType.ELAPSED, 15409222011n),
      ];
      expect(parser.getTimestamps(TimestampType.ELAPSED)!.slice(0, 3)).toEqual(expected);
    });

    it('provides real timestamps', () => {
      const expected = [
        new Timestamp(TimestampType.REAL, 1659107089075566202n),
        new Timestamp(TimestampType.REAL, 1659107089999048990n),
        new Timestamp(TimestampType.REAL, 1659107090010194213n),
      ];
      expect(parser.getTimestamps(TimestampType.REAL)!.slice(0, 3)).toEqual(expected);
    });

    it('retrieves trace entry', async () => {
      const entry = await parser.getEntry(1, TimestampType.REAL);
      expect(entry).toBeInstanceOf(WindowManagerState);
      expect(BigInt(entry.timestamp.elapsedNanos.toString())).toEqual(15398076788n);
      expect(BigInt(entry.timestamp.unixNanos.toString())).toEqual(1659107089999048990n);
    });

    it('formats entry timestamps', async () => {
      const entry = await parser.getEntry(1, TimestampType.REAL);
      expect(entry.name).toEqual('2022-07-29T15:04:49.999048960');
    });
  });

  describe('trace elapsed (only) timestamp', () => {
    let parser: Parser<WindowManagerState>;

    beforeAll(async () => {
      parser = await UnitTestUtils.getParser('traces/elapsed_timestamp/WindowManager.pb');
    });

    it('has expected trace type', () => {
      expect(parser.getTraceType()).toEqual(TraceType.WINDOW_MANAGER);
    });

    it('provides timestamps', () => {
      const expected = [
        new Timestamp(TimestampType.ELAPSED, 850254319343n),
        new Timestamp(TimestampType.ELAPSED, 850763506110n),
        new Timestamp(TimestampType.ELAPSED, 850782750048n),
      ];
      expect(parser.getTimestamps(TimestampType.ELAPSED)).toEqual(expected);
    });

    it('retrieves trace entry', async () => {
      const entry = await parser.getEntry(0, TimestampType.ELAPSED);
      expect(entry).toBeInstanceOf(WindowManagerState);
      expect(BigInt(entry.timestamp.elapsedNanos.toString())).toEqual(850254319343n);
    });

    it('formats entry timestamps', async () => {
      const entry = await parser.getEntry(0, TimestampType.ELAPSED);
      expect(entry.name).toEqual('14m10s254ms319343ns');
    });
  });
});