import 'package:flutter/material.dart';
import 'package:latlong2/latlong.dart';

enum PlaceTrait {
  calm,
  alive,
  cozy,
  cold,
  status,
  simple,
  free,
  formal,
  private,
  open,
  social,
  solo,
  beautiful,
  neutral,
  unusual,
  clear,
  focused,
  transit,
}

extension PlaceTraitText on PlaceTrait {
  String get label {
    return switch (this) {
      PlaceTrait.calm => 'спокойное',
      PlaceTrait.alive => 'живое',
      PlaceTrait.cozy => 'уютное',
      PlaceTrait.cold => 'холодное',
      PlaceTrait.status => 'статусное',
      PlaceTrait.simple => 'простое',
      PlaceTrait.free => 'свободное',
      PlaceTrait.formal => 'формальное',
      PlaceTrait.private => 'приватное',
      PlaceTrait.open => 'открытое',
      PlaceTrait.social => 'для общения',
      PlaceTrait.solo => 'для себя',
      PlaceTrait.beautiful => 'красивое',
      PlaceTrait.neutral => 'нейтральное',
      PlaceTrait.unusual => 'необычное',
      PlaceTrait.clear => 'понятное',
      PlaceTrait.focused => 'помогает собраться',
      PlaceTrait.transit => 'транзитное',
    };
  }
}

enum UserIntent { exhale, date, meet, focus, move, surprise, alone, impress }

extension UserIntentText on UserIntent {
  String get title {
    return switch (this) {
      UserIntent.exhale => 'выдохнуть',
      UserIntent.date => 'свидание',
      UserIntent.meet => 'встретиться',
      UserIntent.focus => 'поработать',
      UserIntent.move => 'движ',
      UserIntent.surprise => 'удивиться',
      UserIntent.alone => 'побыть одному',
      UserIntent.impress => 'привести кого-то',
    };
  }

  String get subtitle {
    return switch (this) {
      UserIntent.exhale => 'тихо, мягко, без давления',
      UserIntent.date => 'красиво и лично',
      UserIntent.meet => 'общение без лишней формальности',
      UserIntent.focus => 'собраться и не выпадать',
      UserIntent.move => 'живо, шумно, с энергией',
      UserIntent.surprise => 'не как обычно',
      UserIntent.alone => 'быть в своем ритме',
      UserIntent.impress => 'место должно держать момент',
    };
  }

  IconData get icon {
    return switch (this) {
      UserIntent.exhale => Icons.air_outlined,
      UserIntent.date => Icons.favorite_border,
      UserIntent.meet => Icons.forum_outlined,
      UserIntent.focus => Icons.center_focus_strong_outlined,
      UserIntent.move => Icons.bolt_outlined,
      UserIntent.surprise => Icons.auto_awesome_outlined,
      UserIntent.alone => Icons.person_outline,
      UserIntent.impress => Icons.diamond_outlined,
    };
  }

  Set<PlaceTrait> get traits {
    return switch (this) {
      UserIntent.exhale => {PlaceTrait.calm, PlaceTrait.cozy, PlaceTrait.solo},
      UserIntent.date => {
        PlaceTrait.private,
        PlaceTrait.beautiful,
        PlaceTrait.social,
      },
      UserIntent.meet => {PlaceTrait.social, PlaceTrait.free, PlaceTrait.alive},
      UserIntent.focus => {
        PlaceTrait.focused,
        PlaceTrait.calm,
        PlaceTrait.neutral,
      },
      UserIntent.move => {PlaceTrait.alive, PlaceTrait.open, PlaceTrait.social},
      UserIntent.surprise => {
        PlaceTrait.unusual,
        PlaceTrait.alive,
        PlaceTrait.open,
      },
      UserIntent.alone => {PlaceTrait.solo, PlaceTrait.free, PlaceTrait.calm},
      UserIntent.impress => {
        PlaceTrait.status,
        PlaceTrait.beautiful,
        PlaceTrait.private,
      },
    };
  }
}

class PlaceRecommendation {
  const PlaceRecommendation({
    required this.id,
    required this.name,
    required this.area,
    required this.photoUrls,
    required this.coordinate,
    required this.traits,
  });

  final String id;
  final String name;
  final String area;
  final List<String> photoUrls;
  final LatLng coordinate;
  final Set<PlaceTrait> traits;

  String get coverPhotoUrl => photoUrls.first;
}

class VoiceReviewDraft {
  const VoiceReviewDraft({
    required this.placeName,
    required this.duration,
    required this.extractedTraits,
    required this.suggestedIntents,
    required this.evidence,
  });

  final String placeName;
  final Duration duration;
  final Set<PlaceTrait> extractedTraits;
  final Set<UserIntent> suggestedIntents;
  final List<String> evidence;

  bool get isLongEnough => duration.inSeconds >= 30;

  VoiceReviewDraft copyWith({
    String? placeName,
    Duration? duration,
    Set<PlaceTrait>? extractedTraits,
    Set<UserIntent>? suggestedIntents,
    List<String>? evidence,
  }) {
    return VoiceReviewDraft(
      placeName: placeName ?? this.placeName,
      duration: duration ?? this.duration,
      extractedTraits: extractedTraits ?? this.extractedTraits,
      suggestedIntents: suggestedIntents ?? this.suggestedIntents,
      evidence: evidence ?? this.evidence,
    );
  }
}