import 'package:freezed_annotation/freezed_annotation.dart';

part 'insights_payload_model.freezed.dart';
part 'insights_payload_model.g.dart';

/// Структура повторяет веб-`UserInsightsService::chartPayload()`, чтобы во второй
/// итерации заменить только источник данных.
@freezed
abstract class InsightsPayloadModel with _$InsightsPayloadModel {
  const factory InsightsPayloadModel({
    required WeightChartModel weight,
    required BmiChartModel bmi,
    required MeasureChartModel measure,
    DailyChartModel? daily,
    IntraChartModel? intra,
  }) = _InsightsPayloadModel;

  factory InsightsPayloadModel.fromJson(Map<String, dynamic> json) =>
      _$InsightsPayloadModelFromJson(json);
}

@freezed
abstract class WeightChartModel with _$WeightChartModel {
  const factory WeightChartModel({
    @Default([]) List<String> labels,
    @Default([]) List<double> values,
    double? last,
    double? delta,
    @Default('') String headline,
    @Default('') String unit,
    @Default('') String deltaText,
  }) = _WeightChartModel;

  factory WeightChartModel.fromJson(Map<String, dynamic> json) =>
      _$WeightChartModelFromJson(json);
}

@freezed
abstract class BmiChartModel with _$BmiChartModel {
  const factory BmiChartModel({
    @Default([]) List<String> labels,
    @Default([]) List<double> values,
    double? last,
    double? delta,
    @Default('') String headline,
    String? category,
    @Default('') String deltaText,
    @Default('') String hint,
  }) = _BmiChartModel;

  factory BmiChartModel.fromJson(Map<String, dynamic> json) =>
      _$BmiChartModelFromJson(json);
}

@freezed
abstract class MeasureChartModel with _$MeasureChartModel {
  const factory MeasureChartModel({
    @Default([]) List<String> labels,
    @Default([]) List<double> waist,
    @Default([]) List<double> chest,
    @Default([]) List<double> hips,
    @Default('') String headline,
    @Default('') String deltaText,
  }) = _MeasureChartModel;

  factory MeasureChartModel.fromJson(Map<String, dynamic> json) =>
      _$MeasureChartModelFromJson(json);
}

@freezed
abstract class DailyChartModel with _$DailyChartModel {
  const factory DailyChartModel({
    @Default([]) List<String> labels,
    @Default([]) List<double> kcal,
    @Default([]) List<double> proteins,
    @Default([]) List<double> fats,
    @Default([]) List<double> carbs,
    double? average,
    double? percent,
    @Default('') String headline,
    @Default('') String deltaText,
  }) = _DailyChartModel;

  factory DailyChartModel.fromJson(Map<String, dynamic> json) =>
      _$DailyChartModelFromJson(json);
}

@freezed
abstract class IntraChartModel with _$IntraChartModel {
  const factory IntraChartModel({
    @Default([]) List<IntraBarModel> bars,
    @Default([]) List<ScalePointModel> satiety,
    @Default([]) List<ScalePointModel> mood,
    double? wake,
    double? sleep,
    String? wakeLabel,
    String? sleepLabel,
    String? wakeText,
    String? sleepText,
    @Default('') String date,
    @Default('') String maxDate,
    @Default('') String dateLabel,
    @Default(false) bool isToday,
  }) = _IntraChartModel;

  factory IntraChartModel.fromJson(Map<String, dynamic> json) =>
      _$IntraChartModelFromJson(json);
}

/// Приём пищи: время `x` (часы 0–24) и калории из белков/жиров/углеводов.
@freezed
abstract class IntraBarModel with _$IntraBarModel {
  const factory IntraBarModel({
    required double x,
    @Default(0) double p,
    @Default(0) double f,
    @Default(0) double c,
  }) = _IntraBarModel;

  factory IntraBarModel.fromJson(Map<String, dynamic> json) =>
      _$IntraBarModelFromJson(json);
}

/// Точка шкалы 0–5 (сытость/настроение) в момент времени `x`.
@freezed
abstract class ScalePointModel with _$ScalePointModel {
  const factory ScalePointModel({required double x, required double y}) =
      _ScalePointModel;

  factory ScalePointModel.fromJson(Map<String, dynamic> json) =>
      _$ScalePointModelFromJson(json);
}