import 'package:flutter_test/flutter_test.dart';
import 'package:life_helper/domain/frame/validate_frame_level.dart';
import 'package:life_helper/domain/models/frame_pattern.dart';
import 'package:life_helper/domain/models/habit.dart';

final _patterns = <FramePatternModel>[
  const FramePatternModel(
    id: 'fp_alcohol',
    domain: 'drink',
    avoidanceKeyword: '술 끊기',
    l0Example: '술 끊기',
    l1SimpleReplace: '음주 중단',
    l2Suggestion: '저녁엔 무알콜 음료 마시기',
    l3Identity: '나는 맑은 정신을 우선시하는 사람이다',
  ),
  const FramePatternModel(
    id: 'fp_general',
    domain: 'general',
    avoidanceKeyword: '안 하기',
    l0Example: '안 하기',
    l2Suggestion: '대신 다른 행동 정의하기',
  ),
];

void main() {
  test('empty framed text → reject', () {
    final r = validateFrameLevel(
      const FrameInput(level: FrameLevel.l2, framedText: ''),
      knownPatterns: _patterns,
    );
    expect(r.status, FrameValidationStatus.reject);
  });

  test('L0 → reject + suggestions', () {
    final r = validateFrameLevel(
      const FrameInput(level: FrameLevel.l0, framedText: '술 끊기'),
      knownPatterns: _patterns,
    );
    expect(r.status, FrameValidationStatus.reject);
    expect(r.suggestions, isNotEmpty);
    expect(r.suggestions.any((s) => s.level == FrameLevel.l2), true);
  });

  test('L1 → reject + suggestions even when not matching any keyword', () {
    final r = validateFrameLevel(
      const FrameInput(level: FrameLevel.l1, framedText: '담배 줄이기'),
      knownPatterns: _patterns,
    );
    expect(r.status, FrameValidationStatus.reject);
    // Should fall back to 'general' domain suggestion.
    expect(r.suggestions, isNotEmpty);
  });

  test('L2 clean → accept', () {
    final r = validateFrameLevel(
      const FrameInput(level: FrameLevel.l2, framedText: '저녁엔 무알콜 음료 마시기'),
      knownPatterns: _patterns,
    );
    expect(r.status, FrameValidationStatus.accept);
    expect(r.suggestions, isEmpty);
  });

  test('L2 with embedded avoidance keyword → warn', () {
    final r = validateFrameLevel(
      const FrameInput(level: FrameLevel.l2, framedText: '술 끊기로 다짐'),
      knownPatterns: _patterns,
    );
    expect(r.status, FrameValidationStatus.warn);
    expect(r.avoidanceHits, isNotEmpty);
    expect(r.avoidanceHits.first.keyword, '술 끊기');
  });

  test('L3 identity frame, clean → accept', () {
    final r = validateFrameLevel(
      const FrameInput(level: FrameLevel.l3, framedText: '나는 맑은 정신을 우선시한다'),
      knownPatterns: _patterns,
    );
    expect(r.status, FrameValidationStatus.accept);
  });

  test('detectAvoidanceKeywords finds multiple occurrences', () {
    final hits =
        detectAvoidanceKeywords('술 끊기 / 다시 술 끊기 / 끝', _patterns);
    expect(hits.length, 2);
  });
}