FitLogic - Smart Gym Trainer System 🏋️‍♂️💪

FitLogic is an intelligent web-based fitness application that acts as your personal gym trainer. It uses an AI-driven decision engine to analyze performance, prevent overtraining, balance muscle groups, and generate adaptive workouts in real-time. Works 100% offline with browser SQLite persistence.

✨ Key Features Smart Decision Engine (js/rule-engine.js): Detects overtraining, workout imbalances, plateaus, and suggests optimal adjustments. AI Chatbot (js/chatbot.js): 24/7 fitness assistant powered by DeepSeek API (api/deepseek-chat.php). Progressive Workouts (js/workout-generator.js): Personalized plans based on sleep, stress, recovery, and goals. Recovery Tracking: Monitors fatigue patterns and recommends deloads/active recovery. SQLite Database (js/sql-db.js): Offline-first storage for workouts, history, settings with localStorage migration. Performance Analytics (js/charts.js, js/fitness-score.js): Visual progress tracking and fitness scoring. PWA Support (sw.js): Full offline capability, installable app. Responsive Design: Mobile-first UI with dark theme, animations (css/animations.css). Indian Nutrition Integration (nutrition.html). Injury Mode (injury-mode.html): Safe progression post-injury (40% → 55% → 70% intensity). 🛠️ Tech Stack Category Technologies Frontend HTML5, Vanilla JS (ES modules), Bootstrap 5, Chart.js, Font Awesome Database sql.js (SQLite in browser), localStorage fallback Build/Tools ESLint (linting), Service Worker (PWA) Backend PHP (chat API only), fully client-side otherwise Other Responsive CSS Grid/Flexbox, CSS animations No Node.js server required - Pure static site!

📁 File Structure fitlogic/ ├── index.html # Landing page & demo ├── login.html # Authentication ├── dashboard.html # Main app dashboard ├── workout.html # Workout generator ├── history.html # Workout history (SQLite) ├── nutrition.html # Nutrition tracker ├── settings.html # User settings ├── injury-mode.html # Injury recovery mode ├── api/ │ └── deepseek-chat.php # AI Chatbot API ├── css/ │ ├── style.css │ ├── auth.css │ ├── responsive.css │ └── animations.css ├── js/ │ ├── main.js # Core app logic │ ├── rule-engine.js # Decision making core │ ├── workout-generator.js │ ├── sql-db.js # SQLite database │ ├── sql-db-fixed.js │ ├── charts.js │ ├── chatbot.js │ ├── fitness-score.js │ ├── offline-sync.js │ └── functions.js ├── assets/images/ # Screenshots & icons ├── sw.js # Service Worker ├── package.json # ESLint config ├── TODO.md # Current tasks └── TODO_SQLite.md # DB implementation notes 🚀 Quick Start Live Demo: Open index.html in any modern browser (Chrome/Firefox recommended). Development Server (optional): npx serve . Install as PWA: Click install icon in browser address bar. Offline Mode: Fully functional without internet (except chatbot). No installation required - Zero dependencies for runtime!

🧪 Development & Testing

npx eslint js/

npx eslint js/ --fix

npx lighthouse . --view Current Status See TODO.md for ongoing cleanup (ESLint fixes, console.log removal). SQLite implementation complete: TODO_SQLite.md.

📱 Screenshots Dashboard Decision Engine Workout Generator Dashboard Decision Engine Workout 🤖 Smart Features Demo Real Workout Decision Logic (from js/rule-engine.js):

IF sleep < 5h → reduce intensity 30%, increase rest 20% IF chest > 3 sessions → lock chest 48h, suggest back/mobility IF performance drop → active recovery + deload week Try the live demo on index.html#demo.

📋 Database Schema (SQLite) Table Purpose users User profiles & goals workouts Completed sessions user_settings Equipment, preferences meal_logs Nutrition tracking fitness_scores Performance metrics Auto-migrates from localStorage on first load.

🔗 Pages Overview dashboard.html: Main hub with charts & fitness score workout.html: Generate & log workouts history.html: Past workouts (paginated) nutrition.html: Meal planning settings.html: Customize app feedback.html: User feedback injury-mode.html: Post-injury protocols 🤝 Contributing Fork the repo Run npx eslint js/ --fix Create feature branch Test offline functionality Submit PR 📄 License MIT License - Use freely for personal/commercial projects.

🙌 Support Issues: Create GitHub issue Chatbot: Built-in AI assistant Demo: Live Preview Built with ❤️ for fitness enthusiasts. Train smart, not hard! 💪

Status: Production-ready • Offline-first • PWA-compliant