export enum ExerciseType {
  STRENGTH = 'STRENGTH', // Reps, Weight
  CARDIO = 'CARDIO',     // Duration, Distance
  STATIC = 'STATIC',     // Duration, Weight (optional)
  BODYWEIGHT = 'BODYWEIGHT', // Reps, Weighted (optional)
  HIGH_JUMP = 'HIGH_JUMP', // Height
  LONG_JUMP = 'LONG_JUMP', // Distance
  PLYOMETRIC = 'PLYOMETRIC' // Reps
}

export interface WorkoutSet {
  id: string;
  exerciseId: string;
  exerciseName: string;
  type: ExerciseType;
  reps?: number;
  weight?: number;
  durationSeconds?: number;
  distanceMeters?: number;
  height?: number;
  bodyWeightPercentage?: number; // Percentage of bodyweight used (e.g. 65 for pushups)
  timestamp: number;
}

export interface WorkoutSession {
  id: string;
  startTime: number;
  endTime?: number;
  sets: WorkoutSet[];
  note?: string;
  userBodyWeight?: number;
  planId?: string; // Link to a plan if used
  planName?: string;
}

export interface ExerciseDef {
  id: string;
  name: string;
  type: ExerciseType;
  defaultRestSeconds?: number;
  bodyWeightPercentage?: number; // Default percentage
  isArchived?: boolean;
}

export interface PlannedSet {
  id: string;
  exerciseId: string;
  exerciseName: string; // Denormalized for easier display
  exerciseType: ExerciseType;
  isWeighted: boolean; // Prompt specifically asked for this flag
}

export interface WorkoutPlan {
  id: string;
  name: string;
  description?: string; // Prep instructions
  steps: PlannedSet[];
}

export type TabView = 'TRACK' | 'PLANS' | 'HISTORY' | 'STATS' | 'AI_COACH' | 'PROFILE';

export type UserRole = 'ADMIN' | 'USER';

export type Language = 'en' | 'ru';

export interface UserProfile {
  weight?: number;
  height?: number;
  gender?: 'MALE' | 'FEMALE' | 'OTHER';
  birthDate?: number | string; // timestamp or ISO string
  language?: Language;
}

export interface BodyWeightRecord {
  id: string;
  weight: number;
  date: string; // ISO string
  dateStr: string; // YYYY-MM-DD
}

export interface SporadicSet {
  id: string;
  exerciseId: string;
  exerciseName: string;
  type: ExerciseType;
  reps?: number;
  weight?: number;
  durationSeconds?: number;
  distanceMeters?: number;
  height?: number;
  bodyWeightPercentage?: number;
  timestamp: number;
  note?: string;
}

export interface User {
  id: string;
  email: string;
  role: UserRole;
  profile: UserProfile;
  isFirstLogin: boolean;
  isBlocked?: boolean;
}