Domestique

import { parseISO, differenceInMinutes, format } from 'date-fns'; import type { NormalizedWorkout, StrainActivity, MatchedActivity, ActivityType, } from '../types/index.js'; // Activity type mappings for normalization across platforms const ACTIVITY_TYPE_MAP: Record<string, ActivityType> = { // Intervals.icu types 'ride': 'Cycling', 'cycling': 'Cycling', 'virtualride': 'Cycling', 'run': 'Running', 'running': 'Running', 'virtualrun': 'Running', 'swim': 'Swimming', 'swimming': 'Swimming', 'alpineski': 'Skiing', 'alpine skiing': 'Skiing', 'backcountryski': 'Skiing', 'nordicski': 'Skiing', 'skiing': 'Skiing', 'hike': 'Hiking', 'hiking': 'Hiking', 'rowing': 'Rowing', 'row': 'Rowing', 'weighttraining': 'Strength', 'strength': 'Strength', 'workout': 'Strength', // Additional Whoop-specific names 'functional fitness': 'Strength', 'hiit': 'Strength', 'cross country skiing': 'Skiing', 'downhill skiing': 'Skiing', }; /** * Normalize activity type string to standard ActivityType */ export function normalizeActivityType(type: string): ActivityType { const normalized = type.toLowerCase().replace(/[_-]/g, ' ').trim(); return ACTIVITY_TYPE_MAP[normalized] ?? 'Other'; } /** * Check if two activity types are compatible for matching */ export function areActivityTypesCompatible( type1: ActivityType, type2: ActivityType ): boolean { // Exact match if (type1 === type2) return true; // "Other" matches anything if (type1 === 'Other' || type2 === 'Other') return true; return false; } /** * Match workouts across platforms using timestamp and activity type. * Algorithm: * 1. High confidence: Start times within 5 minutes AND same activity type * 2. Medium confidence: Same date AND same activity type * 3. Low confidence: Same date only */ export function matchActivities( intervalsWorkouts: NormalizedWorkout[], whoopActivities: StrainActivity[] ): MatchedActivity[] { const matched: MatchedActivity[] = []; const usedWhoopIds = new Set<string>(); for (const workout of intervalsWorkouts) { const workoutStart = parseISO(workout.date); const workoutDate = format(workoutStart, 'yyyy-MM-dd'); let bestMatch: { activity: StrainActivity; confidence: 'high' | 'medium' | 'low'; method: 'timestamp' | 'date_and_type' | 'date_only'; } | null = null; for (const activity of whoopActivities) { if (usedWhoopIds.has(activity.id)) continue; const activityStart = parseISO(activity.start_time); const activityDate = format(activityStart, 'yyyy-MM-dd'); const timeDiff = Math.abs(differenceInMinutes(workoutStart, activityStart)); const sameType = areActivityTypesCompatible( workout.activity_type, activity.activity_type ); // High confidence: timestamp match + type match if (timeDiff <= 5 && sameType) { bestMatch = { activity, confidence: 'high', method: 'timestamp', }; break; // Found best possible match } // Medium confidence: same date + type match if (workoutDate === activityDate && sameType) { if (!bestMatch || bestMatch.confidence === 'low') { bestMatch = { activity, confidence: 'medium', method: 'date_and_type', }; } } // Low confidence: same date only if (workoutDate === activityDate && !bestMatch) { bestMatch = { activity, confidence: 'low', method: 'date_only', }; } } if (bestMatch) { usedWhoopIds.add(bestMatch.activity.id); matched.push({ intervals_workout: workout, whoop_activity: bestMatch.activity, match_confidence: bestMatch.confidence, match_method: bestMatch.method, }); } else { // No match found, include workout without Whoop data matched.push({ intervals_workout: workout, match_confidence: 'low', match_method: 'date_only', }); } } // Add any unmatched Whoop activities for (const activity of whoopActivities) { if (!usedWhoopIds.has(activity.id)) { matched.push({ whoop_activity: activity, match_confidence: 'low', match_method: 'date_only', }); } } return matched; } /** * Find a single matching Whoop activity for an Intervals workout */ export function findMatchingWhoopActivity( workout: NormalizedWorkout, whoopActivities: StrainActivity[] ): StrainActivity | null { const workoutStart = parseISO(workout.date); const workoutDate = format(workoutStart, 'yyyy-MM-dd'); // First pass: look for timestamp + type match for (const activity of whoopActivities) { const activityStart = parseISO(activity.start_time); const timeDiff = Math.abs(differenceInMinutes(workoutStart, activityStart)); const sameType = areActivityTypesCompatible( workout.activity_type, activity.activity_type ); if (timeDiff <= 5 && sameType) { return activity; } } // Second pass: look for date + type match for (const activity of whoopActivities) { const activityDate = format(parseISO(activity.start_time), 'yyyy-MM-dd'); const sameType = areActivityTypesCompatible( workout.activity_type, activity.activity_type ); if (workoutDate === activityDate && sameType) { return activity; } } return null; }