Damijuda/fitstart

1// Shared JavaScript across all pages2document.addEventListener('DOMContentLoaded', () => {3    // Initialize dark mode from localStorage or system preference4    const storedTheme = localStorage.getItem('theme') || 5        (window.matchMedia('(prefers-color-scheme: dark)').matches ? 'dark' : 'light');6    document.documentElement.classList.add(storedTheme);7    8    // Toggle dark/light mode9    const themeToggle = document.getElementById('theme-toggle');10    if (themeToggle) {11        themeToggle.addEventListener('click', () => {12            const currentTheme = document.documentElement.classList.contains('dark') ? 'light' : 'dark';13            document.documentElement.classList.remove('light', 'dark');14            document.documentElement.classList.add(currentTheme);15            localStorage.setItem('theme', currentTheme);16            17            // Update icon18            const icon = themeToggle.querySelector('i');19            if (currentTheme === 'dark') {20                icon.setAttribute('data-feather', 'sun');21            } else {22                icon.setAttribute('data-feather', 'moon');23            }24            feather.replace();25        });26    }27});28// Adaptive workout generator based on user progress29async function generateAdaptiveWorkout(userData) {30    try {31        // Get base workout plan from API32        const response = await fetch('/api/workouts/adaptive', {33            method: 'POST',34            headers: {35                'Content-Type': 'application/json',36            },37            body: JSON.stringify({38                userId: userData.id,39                currentLevel: userData.fitnessLevel,40                recentProgress: userData.progress,41                preferences: userData.preferences42            })43        });44        45        const workoutPlan = await response.json();46        47        // Adjust based on local progress data48        if (userData.recentWorkouts) {49            const lastWorkout = userData.recentWorkouts[0];50            if (lastWorkout.difficultyRating > 7) {51                workoutPlan.intensity += 0.1;52            } else if (lastWorkout.difficultyRating < 4) {53                workoutPlan.intensity -= 0.1;54            }55        }56        57        return workoutPlan;58    } catch (error) {59        console.error('Error generating adaptive workout:', error);60        return null;61    }62}63// Trainer access functionality64function setupTrainerAccess() {65    const trainerAccessSection = document.getElementById('trainer-access');66    if (trainerAccessSection) {67        const shareButton = trainerAccessSection.querySelector('button');68        const emailInput = trainerAccessSection.querySelector('input[type="email"]');69        const inviteButton = trainerAccessSection.querySelector('button.bg-green-500');70        71        shareButton.addEventListener('click', () => {72            trainerAccessSection.querySelector('.bg-gray-50').classList.toggle('hidden');73        });74        75        inviteButton.addEventListener('click', async () => {76            if (emailInput.value) {77                try {78                    const response = await fetch('/api/trainers/invite', {79                        method: 'POST',80                        headers: {81                            'Content-Type': 'application/json',82                        },83                        body: JSON.stringify({84                            email: emailInput.value85                        })86                    });87                    88                    if (response.ok) {89                        alert('Invitation sent successfully!');90                        emailInput.value = '';91                    } else {92                        alert('Error sending invitation');93                    }94                } catch (error) {95                    alert('Error sending invitation');96                }97            }98        });99    }100}101 102// Track workout performance and adjust future plans103function trackWorkoutPerformance(workoutData) {104    const performanceData = {105        workoutId: workoutData.id,106        completionRate: workoutData.completedExercises / workoutData.totalExercises,107        difficultyRating: workoutData.userRating,108        prCount: workoutData.prsAchieved109    };110    111    // Store in local storage for adaptive algorithm112    let userData = JSON.parse(localStorage.getItem('userData')) || {};113    userData.recentWorkouts = userData.recentWorkouts || [];114    userData.recentWorkouts.unshift(performanceData);115    localStorage.setItem('userData', JSON.stringify(userData));116    117    return performanceData;118}119// Initialize on dashboard page120if (window.location.pathname.includes('dashboard.html')) {121    document.addEventListener('DOMContentLoaded', () => {122        fetchWorkoutData();123        setupTrainerAccess();124    });125}126