types.ts

export type Category = 'work' | 'uni' | 'social' | 'personal';
export type Priority = 'high' | 'medium' | 'low';
export type ContextMode = 'balanced' | 'productive' | 'recharge' | 'restricted'; 
export type TaskStatus = 'unprocessed' | 'new' | 'pending' | 'completed';
export type ViewState = 'dashboard' | 'me' | 'settings' | 'calendar' | 'vitals';
export type Chronotype = 'early_bird' | 'night_owl' | 'flexible';
export type AIPersona = 'strict' | 'gentle' | 'rhymes' | 'coaching' | 'stoic';
export type VitalType = 'stress' | 'recovery' | 'sleep' | 'battery';

export interface Task {
  id: string;
  title: string;
  category: Category;
  priority: Priority;
  timeEstimate: string; // e.g., "30m"
  dueDate: Date;
  status: TaskStatus;
  isInbox: boolean;
  isCalendarEvent?: boolean; 
  focusMode: ContextMode;
  isFlexible: boolean;
  completedAt?: Date;
}

export interface Goal {
  id: string;
  text: string;
  category: Category;
  completed: boolean;
}

export interface UserMetrics {
  // Stress
  stressLevel: number; // 0-100
  currentHR: number; // BPM
  currentHRV: number; // ms

  // Recovery
  recovery: number; // 0-100%
  restingHR: number; // BPM
  restingHRV: number; // ms

  // Battery
  bodyBattery: number; // 0-100%
  batteryCharge: number; // + gain
  batteryDrain: number; // - loss

  // Sleep
  sleep: {
    score: number; // 0-100
    lastNight: number; // hours (Duration)
    timeInBed: number; // hours
    weeklyAverage: number; // hours
  };
  
  steps: {
    current: number;
    goal: number;
  };
}

export interface PlanningSlot {
    day: string; // e.g., 'Sunday'
    time: string; // e.g., '19:00'
}

export interface SleepGoal {
    min: number;
    max: number;
    rangeStart: string; // e.g., "23:00"
    rangeEnd: string; // e.g., "07:00"
}

export interface UserProfile {
  name: string;
  avatarUrl?: string; 
  onboardingCompleted: boolean;
  goals: Goal[]; 
  themePreference: 'light' | 'dark' | 'system';
  integrations: { googleCalendar: boolean; appleHealth: boolean; };
  
  // New Onboarding Fields
  planningSlot: PlanningSlot;
  chronotype: Chronotype;
  sleepGoal: SleepGoal;
  breakDuration: number; // minutes
  avgSocialTime: number; // hours per week
  recoveryActivities: string[];
  personaModes: Record<ContextMode, AIPersona>;
}

export interface OptimizationProposal {
    tasks: Task[];
    reasoning: string;
}

export interface AppState {
  tasks: Task[];
  metrics: UserMetrics;
  mode: ContextMode;
  userProfile: UserProfile;
  currentView: ViewState;
  activeFilter: Category | 'all';
  isTaskInputOpen: boolean;
  isChatOpen: boolean;
  isGoalsModalOpen: boolean;
  isOnboardingActive: boolean;
  selectedTaskId: string | null;
  selectedVital: VitalType | null; // New field
  optimizationProposal: OptimizationProposal | null;
  chatInitialMessage?: string; // New: to pass message from dashboard to chat
}