#!/usr/bin/env python3
"""
Configuration script for Trackio environment variables
"""

import os
import json
from datetime import datetime

def configure_trackio():
    """Configure Trackio environment variables"""
    
    print("🔧 Trackio Configuration")
    print("=" * 40)
    
    # Current configuration
    current_config = {
        'HF_TOKEN': os.environ.get('HF_TOKEN', 'Not set'),
        'TRACKIO_DATASET_REPO': os.environ.get('TRACKIO_DATASET_REPO', 'tonic/trackio-experiments'),
        'SPACE_ID': os.environ.get('SPACE_ID', 'Not set')
    }
    
    print("📋 Current Configuration:")
    for key, value in current_config.items():
        status = "✅" if value != "Not set" else "❌"
        print(f"   {status} {key}: {value}")
    
    print("\n🎯 Configuration Options:")
    print("1. Set HF_TOKEN - Required for dataset access")
    print("2. Set TRACKIO_DATASET_REPO - Dataset repository (optional)")
    print("3. Set SPACE_ID - HF Space ID (auto-detected)")
    
    # Check if running on HF Spaces
    if os.environ.get('SPACE_ID'):
        print("\n🚀 Running on Hugging Face Spaces")
        print(f"   Space ID: {os.environ.get('SPACE_ID')}")
    
    # Validate configuration
    print("\n🔍 Configuration Validation:")
    
    # Check HF_TOKEN
    if current_config['HF_TOKEN'] != 'Not set':
        print("✅ HF_TOKEN is set")
        print("   This allows the app to read/write to HF Datasets")
    else:
        print("❌ HF_TOKEN is not set")
        print("   Please set HF_TOKEN to enable dataset functionality")
        print("   Get your token from: https://huggingface.co/settings/tokens")
    
    # Check dataset repository
    dataset_repo = current_config['TRACKIO_DATASET_REPO']
    print(f"📊 Dataset Repository: {dataset_repo}")
    
    # Test dataset access if token is available
    if current_config['HF_TOKEN'] != 'Not set':
        print("\n🧪 Testing Dataset Access...")
        try:
            from datasets import load_dataset
            
            dataset = load_dataset(dataset_repo, token=current_config['HF_TOKEN'])
            print(f"✅ Successfully loaded dataset: {dataset_repo}")
            
            # Show experiment count
            if 'train' in dataset:
                experiment_count = len(dataset['train'])
                print(f"📈 Found {experiment_count} experiments in dataset")
                
                # Show sample experiments
                if experiment_count > 0:
                    print("🔬 Sample experiments:")
                    for i, row in enumerate(dataset['train'][:3]):  # Show first 3
                        exp_id = row.get('experiment_id', 'Unknown')
                        name = row.get('name', 'Unnamed')
                        print(f"   {i+1}. {exp_id}: {name}")
            
        except Exception as e:
            print(f"❌ Failed to load dataset: {e}")
            print("   This might be normal if the dataset doesn't exist yet")
    
    # Generate configuration file
    config_file = "trackio_config.json"
    config_data = {
        'hf_token': current_config['HF_TOKEN'],
        'dataset_repo': current_config['TRACKIO_DATASET_REPO'],
        'space_id': current_config['SPACE_ID'],
        'last_updated': datetime.now().isoformat(),
        'notes': 'Trackio configuration - set these as environment variables in your HF Space'
    }
    
    with open(config_file, 'w') as f:
        json.dump(config_data, f, indent=2)
    
    print(f"\n💾 Configuration saved to: {config_file}")
    
    # Show environment variable commands
    print("\n📝 Environment Variables for HF Space:")
    print("=" * 50)
    print(f"HF_TOKEN={current_config['HF_TOKEN']}")
    print(f"TRACKIO_DATASET_REPO={current_config['TRACKIO_DATASET_REPO']}")
    
    print("\n🎯 Next Steps:")
    print("1. Set HF_TOKEN in your HF Space environment variables")
    print("2. Optionally set TRACKIO_DATASET_REPO to use a different dataset")
    print("3. Deploy your updated app.py to the Space")
    print("4. Run setup_hf_dataset.py if you haven't created the dataset yet")

def show_usage_examples():
    """Show usage examples for different dataset repositories"""
    
    print("\n📚 Usage Examples")
    print("=" * 30)
    
    examples = [
        {
            'name': 'Default Dataset',
            'repo': 'tonic/trackio-experiments',
            'description': 'Default dataset for your experiments'
        },
        {
            'name': 'Personal Dataset',
            'repo': 'your-username/trackio-experiments',
            'description': 'Your personal experiment dataset'
        },
        {
            'name': 'Team Dataset',
            'repo': 'your-org/team-experiments',
            'description': 'Shared dataset for team experiments'
        },
        {
            'name': 'Project Dataset',
            'repo': 'your-username/smollm3-experiments',
            'description': 'Dataset specific to SmolLM3 experiments'
        }
    ]
    
    for i, example in enumerate(examples, 1):
        print(f"{i}. {example['name']}")
        print(f"   Repository: {example['repo']}")
        print(f"   Description: {example['description']}")
        print(f"   Set with: TRACKIO_DATASET_REPO={example['repo']}")
        print()

if __name__ == "__main__":
    configure_trackio()
    show_usage_examples()