import '../../internal/application/ProgressionRule.dart';

class ExercisePrescription {
  String? id;

  String sessionTemplateId;

  String exerciseId;

  String exerciseName;

  /// Primary muscle group, for weekly volume tracking.
  String muscleGroup;

  int sets;

  int targetReps;

  /// For timed holds and intervals; 0 when the work is rep-based.
  int targetTimeSeconds;

  int restSeconds;

  /// Eccentric-pause-concentric-pause, e.g. "3010".
  String tempo;

  ProgressionRule progressionRule;

  /// Ground contacts per set, for the plyometric weekly ceiling.
  int contactsPerSet;

  /// Whether this is a hard exercise for integrity scoring. Derived from
  /// historical RPE rather than set statically.
  bool hard;

  ExercisePrescription({
    this.id,
    this.sessionTemplateId = "",
    this.exerciseId = "",
    this.exerciseName = "",
    this.muscleGroup = "",
    this.sets = 0,
    this.targetReps = 0,
    this.targetTimeSeconds = 0,
    this.restSeconds = 0,
    this.tempo = "",
    this.progressionRule = ProgressionRule.Reps,
    this.contactsPerSet = 0,
    this.hard = false,
  });

  factory ExercisePrescription.fromJson(Map<String, dynamic> json) {
    return ExercisePrescription(
      id: json['id'],
      sessionTemplateId: json['sessionTemplateId'] ?? "",
      exerciseId: json['exerciseId'] ?? "",
      exerciseName: json['exerciseName'] ?? "",
      muscleGroup: json['muscleGroup'] ?? "",
      sets: json['sets'] ?? 0,
      targetReps: json['targetReps'] ?? 0,
      targetTimeSeconds: json['targetTimeSeconds'] ?? 0,
      restSeconds: json['restSeconds'] ?? 0,
      tempo: json['tempo'] ?? "",
      progressionRule: getProgressionRule(json['progressionRule']),
      contactsPerSet: json['contactsPerSet'] ?? 0,
      hard: json['hard'] ?? false,
    );
  }

  Map<String, dynamic> toJson() {
    final Map<String, dynamic> data = <String, dynamic>{};
    data['id'] = id;
    data['sessionTemplateId'] = sessionTemplateId;
    data['exerciseId'] = exerciseId;
    data['exerciseName'] = exerciseName;
    data['muscleGroup'] = muscleGroup;
    data['sets'] = sets;
    data['targetReps'] = targetReps;
    data['targetTimeSeconds'] = targetTimeSeconds;
    data['restSeconds'] = restSeconds;
    data['tempo'] = tempo;
    data['progressionRule'] = progressionRule.name;
    data['contactsPerSet'] = contactsPerSet;
    data['hard'] = hard;
    return data;
  }

  int get plannedContacts {
    return contactsPerSet * sets;
  }
}