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| 1 | +import 'package:flutter/material.dart'; |
| 2 | +import 'package:hive/hive.dart'; |
| 3 | + |
| 4 | +part 'accuracy_level.g.dart'; |
| 5 | + |
| 6 | +/// Represents the accuracy level of fare/route information. |
| 7 | +/// |
| 8 | +/// Follows the design in ADR-006. |
| 9 | +@HiveType(typeId: 4) |
| 10 | +enum AccuracyLevel { |
| 11 | + /// Precise calculation using online services (OSRM, live data). |
| 12 | + @HiveField(0) |
| 13 | + precise, |
| 14 | + |
| 15 | + /// Estimated calculation using cached data (valid, recent cache). |
| 16 | + @HiveField(1) |
| 17 | + estimated, |
| 18 | + |
| 19 | + /// Approximate calculation using offline fallbacks (Haversine, static matrices). |
| 20 | + @HiveField(2) |
| 21 | + approximate, |
| 22 | +} |
| 23 | + |
| 24 | +/// Extension methods for AccuracyLevel to provide UI helpers. |
| 25 | +extension AccuracyLevelX on AccuracyLevel { |
| 26 | + /// Returns a human-readable label. |
| 27 | + String get label { |
| 28 | + switch (this) { |
| 29 | + case AccuracyLevel.precise: |
| 30 | + return 'Precise (Online)'; |
| 31 | + case AccuracyLevel.estimated: |
| 32 | + return 'Estimated (Cached)'; |
| 33 | + case AccuracyLevel.approximate: |
| 34 | + return 'Approximate (Offline)'; |
| 35 | + } |
| 36 | + } |
| 37 | + |
| 38 | + /// Returns a description of the accuracy level. |
| 39 | + String get description { |
| 40 | + switch (this) { |
| 41 | + case AccuracyLevel.precise: |
| 42 | + return 'Based on real-time road data and current conditions'; |
| 43 | + case AccuracyLevel.estimated: |
| 44 | + return 'Based on previously cached route data'; |
| 45 | + case AccuracyLevel.approximate: |
| 46 | + return 'Based on straight-line distance calculations'; |
| 47 | + } |
| 48 | + } |
| 49 | + |
| 50 | + /// Returns the appropriate color for UI display. |
| 51 | + Color get color { |
| 52 | + switch (this) { |
| 53 | + case AccuracyLevel.precise: |
| 54 | + return Colors.green; |
| 55 | + case AccuracyLevel.estimated: |
| 56 | + return Colors.yellow.shade700; |
| 57 | + case AccuracyLevel.approximate: |
| 58 | + return Colors.orange; |
| 59 | + } |
| 60 | + } |
| 61 | + |
| 62 | + /// Returns an icon for the accuracy level. |
| 63 | + IconData get icon { |
| 64 | + switch (this) { |
| 65 | + case AccuracyLevel.precise: |
| 66 | + return Icons.wifi_rounded; |
| 67 | + case AccuracyLevel.estimated: |
| 68 | + return Icons.cached_rounded; |
| 69 | + case AccuracyLevel.approximate: |
| 70 | + return Icons.offline_bolt_rounded; |
| 71 | + } |
| 72 | + } |
| 73 | +} |
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