"""
Fitness Coach Bot - Demo Data Generator
Author: RSK World (https://rskworld.in)
Founded by: Molla Samser
Designer & Tester: Rima Khatun
Contact: help@rskworld.in, +91 93305 39277
Year: 2026
"""

import sys
import os
sys.path.append(os.path.dirname(os.path.abspath(__file__)))

from app import app, db
from models.fitness_models import User, Progress
from datetime import datetime, timedelta
import random

def generate_demo_data():
    """Generate demo progress data for testing"""
    with app.app_context():
        # Create demo user
        demo_user = User(
            id="demo_user",
            name="Demo User",
            age=28,
            weight=75.0,
            height=175.0,
            fitness_goal="muscle_gain",
            activity_level="moderate"
        )
        
        # Check if user exists
        existing_user = User.query.get("demo_user")
        if not existing_user:
            db.session.add(demo_user)
            db.session.commit()
            print("Demo user created!")
        else:
            demo_user = existing_user
        
        # Generate demo progress data
        exercises = list(range(1, 9))  # Assuming we have 8 exercises
        
        for i in range(30):  # Generate 30 days of progress
            date = datetime.now() - timedelta(days=i)
            
            # Random number of exercises per day (3-6)
            num_exercises = random.randint(3, 6)
            selected_exercises = random.sample(exercises, num_exercises)
            
            for exercise_id in selected_exercises:
                progress = Progress(
                    user_id=demo_user.id,
                    exercise_id=exercise_id,
                    sets_completed=random.randint(2, 4),
                    reps_completed=random.randint(8, 15),
                    weight_used=random.uniform(10, 50),
                    duration_seconds=random.randint(30, 300),
                    calories_burned=random.uniform(50, 200),
                    notes="Demo workout data" if random.random() > 0.7 else "",
                    date=date
                )
                db.session.add(progress)
        
        db.session.commit()
        print("Demo progress data generated successfully!")
        print("You can now test the application with realistic data.")

if __name__ == "__main__":
    try:
        generate_demo_data()
    except Exception as e:
        print(f"Error generating demo data: {e}")
        sys.exit(1)