import 'package:flutter/material.dart';
import 'package:flutter_test/flutter_test.dart';
import 'package:jiu_client/core/theme/app_tokens.dart';

AppTokens _sample() => const AppTokens(
      page: Color(0xFF111111),
      bg: Color(0xFF222222),
      surface: Color(0xFF333333),
      border: Color(0xFF444444),
      borderSubtle: Color(0xFF555555),
      text: Color(0xFF666666),
      heading: Color(0xFF777777),
      title: Color(0xFF888888),
      muted: Color(0xFF999999),
      faint: Color(0xFFAAAAAA),
      primary: Color(0xFF2563AC),
      primaryDark: Color(0xFF154072),
      onPrimary: Color(0xFFFFFFFF),
      brand400: Color(0xFF4F86C6),
      brand50: Color(0xFFEEF4FB),
      accent: Color(0xFF8B2331),
      success: Color(0xFF2E8B57),
      danger: Color(0xFFD14343),
      warn: Color(0xFFE08E00),
      infoSoft: Color(0xFFEEF4FB),
      okSoft: Color(0xFFE8F5EE),
      accentSoft: Color(0xFFFAEEF0),
      successBg: Color(0xFFE8F5EE),
      dangerBg: Color(0xFFFDECEC),
      warnBg: Color(0xFFFFF4DB),
      thBg: Color(0xFFF7F9FC),
      rowHover: Color(0xFFEEF4FB),
      shadow: Color(0x33142846),
      topBg: Color(0xFF2563AC),
      topFg: Color(0xFFFFFFFF),
      topFaint: Color(0xB8FFFFFF),
      topBorder: Color(0xFF1E5594),
      topControl: Color(0x29FFFFFF),
      topMarkBg: Color(0x38FFFFFF),
      topMarkFg: Color(0xFFFFFFFF),
      sideBg: Color(0xFF163A6C),
      sideFg: Color(0xFFC4D6ED),
      sideMuted: Color(0xFF7C9FCB),
      sideActiveBg: Color(0xFF2C6BB3),
      sideActiveFg: Color(0xFFFFFFFF),
      sideBorder: Color(0xFF1E4A86),
      sideHover: Color(0xFF1C4680),
      menuUserBg: Color(0xFF3C79C0),
      menuUserFg: Color(0xFFFFFFFF),
      menuUserHover: Color(0xFF4D88CC),
      toastBg: Color(0xFF1F2330),
      isDark: false,
    );

void main() {
  test('copyWith overrides one field, keeps others', () {
    final t = _sample().copyWith(primary: const Color(0xFF000000));
    expect(t.primary, const Color(0xFF000000));
    expect(t.surface, const Color(0xFF333333));
    expect(t.isDark, false);
  });

  test('lerp at t=0 returns first, t=1 returns second', () {
    final a = _sample();
    final b = _sample().copyWith(primary: const Color(0xFFFFFFFF));
    expect(a.lerp(b, 0).primary, a.primary);
    expect(a.lerp(b, 1).primary, b.primary);
  });
}