import 'dart:io';
import 'dart:ui';

import 'package:flutter_test/flutter_test.dart';
import 'package:yumi/ui_kit/widgets/room/cp/room_cp_relation_formed_effect.dart';

void main() {
  test('reads avatar slots from the CP formed MP4 vap metadata', () {
    final bytes =
        File(
          'sc_images/room/cp_invite/sc_cp_relation_formed_effect.mp4',
        ).readAsBytesSync();
    final layout = parseRoomCpRelationFormedVapLayout(bytes);

    expect(layout, isNotNull);
    expect(layout!.canvasSize.width, 720);
    expect(layout.canvasSize.height, 1280);
    expect(layout.fps, 25);
    expect(layout.totalFrames, 125);
    expect(layout.firstDynamicFrame, 44);
    expect(layout.lastDynamicFrame, 95);

    final left = layout.leftPlacementForFrame(52);
    final right = layout.rightPlacementForFrame(52);
    expect(left?.frame.left, 230);
    expect(left?.frame.top, 842);
    expect(left?.frame.width, 121);
    expect(left?.frame.height, 121);
    expect(right?.frame.left, 365);
    expect(right?.frame.top, 843);
    expect(right?.frame.width, 121);
    expect(right?.frame.height, 120);
  });

  test('scales avatar slots using the visible 720x1280 video canvas', () {
    final bytes =
        File(
          'sc_images/room/cp_invite/sc_cp_relation_formed_effect.mp4',
        ).readAsBytesSync();
    final layout = parseRoomCpRelationFormedVapLayout(bytes)!;
    final left = layout.leftPlacementForFrame(52)!;

    final contentRect = layout.contentRectForBounds(const Size(402, 874));
    final scaled = layout.scaledRectForPlacement(left, const Size(402, 874));

    expect(contentRect.left, moreOrLessEquals(0, epsilon: 0.01));
    expect(contentRect.top, moreOrLessEquals(79.67, epsilon: 0.01));
    expect(contentRect.width, moreOrLessEquals(402, epsilon: 0.01));
    expect(contentRect.height, moreOrLessEquals(714.67, epsilon: 0.01));
    expect(scaled.left, moreOrLessEquals(128.42, epsilon: 0.01));
    expect(scaled.top, moreOrLessEquals(549.78, epsilon: 0.01));
    expect(scaled.width, moreOrLessEquals(67.56, epsilon: 0.01));
    expect(scaled.height, moreOrLessEquals(67.56, epsilon: 0.01));
  });
}