#!/usr/bin/env python3
"""
Setup script to ensure all necessary files and directories are created
before running the application.
"""

import os
import json
import sys

def setup():
    """Create necessary directories and files if they don't exist."""
    print("Setting up leaderboard application...")
    
    # Create submissions directory
    if not os.path.exists("submissions"):
        print("Creating submissions directory...")
        os.makedirs("submissions", exist_ok=True)
    
    # Create models.json if it doesn't exist or is empty
    if not os.path.exists("models.json") or os.path.getsize("models.json") == 0:
        print("Creating models.json configuration file...")
        config = {
            "title": "TRAIL Performance Leaderboard",
            "description": "This leaderboard tracks and compares model performance across multiple metrics. Submit your model results to see how they stack up!",
            "metrics": ["Cat. F1", "Loc. Acc", "Joint F1"],
            "main_metric": "Cat. F1"
        }
        with open("models.json", "w") as f:
            json.dump(config, f, indent=2)
    else:
        # Validate JSON format
        try:
            with open("models.json", "r") as f:
                json.load(f)
            print("models.json exists and is valid.")
        except json.JSONDecodeError:
            print("models.json exists but has invalid JSON. Creating new file...")
            config = {
                "title": "Model Performance Leaderboard",
                "description": "This leaderboard tracks and compares model performance across multiple metrics. Submit your model results to see how they stack up!",
                "metrics": ["Cat. F1", "Loc. Acc", "Joint F1"],
                "main_metric": "Cat. F1"
            }
            with open("models.json", "w") as f:
                json.dump(config, f, indent=2)
    
    print("Setup complete.")

if __name__ == "__main__":
    setup()