#!/usr/bin/env python3
"""
InstantSplat API Client

Simple client to submit images and get back the Supabase GLB URL.

Usage:
    python api_client.py image1.jpg image2.jpg image3.jpg

Environment variables:
    INSTANTSPLAT_SPACE: HuggingFace Space URL (default: use local)
"""

import sys
import os
from gradio_client import Client


def process_images(image_paths, space_url=None, hf_token=None):
    """
    Submit images to InstantSplat and get GLB URL.
    
    Args:
        image_paths: List of image file paths
        space_url: HuggingFace Space URL (optional)
        
    Returns:
        dict with results
    """
    # Validate inputs
    if len(image_paths) < 2:
        return {
            "status": "error",
            "error": "Need at least 2 images (3+ recommended)"
        }
    
    for path in image_paths:
        if not os.path.exists(path):
            return {
                "status": "error",
                "error": f"File not found: {path}"
            }
    
    try:
        # Connect to Space
        if not space_url:
            space_url = "longh37/InstantSplat"
        
        print(f"Connecting to Space: {space_url}")
        client = Client(space_url)
        
        print(f"Submitting {len(image_paths)} images for processing...")
        for i, img in enumerate(image_paths, 1):
            print(f"  {i}. {img}")
        
        # Submit job
        result = client.predict(
            image_paths,
            api_name="/predict"
        )
        
        # Unpack results
        video_path, ply_url, _, _, glb_path, glb_url = result
        
        # Check if upload succeeded
        if glb_url and not glb_url.startswith("Error"):
            return {
                "status": "success",
                "glb_url": glb_url,
                "ply_url": ply_url,
                "video_available": video_path is not None,
                "message": "Processing complete!"
            }
        else:
            return {
                "status": "error",
                "error": glb_url or "Upload failed"
            }
            
    except Exception as e:
        return {
            "status": "error",
            "error": str(e)
        }


def main():
    """CLI interface."""
    if len(sys.argv) < 3:
        print("Usage: python api_client.py <image1> <image2> [image3 ...]")
        print("\nExample:")
        print("  python api_client.py img1.jpg img2.jpg img3.jpg")
        print("\nEnvironment Variables:")
        print("  INSTANTSPLAT_SPACE - HuggingFace Space URL (optional)")
        print("                       e.g., your-username/InstantSplat")
        sys.exit(1)
    
    # Get images from command line
    image_paths = sys.argv[1:]
    
    # Get Space URL from environment or use local
    space_url = os.environ.get("INSTANTSPLAT_SPACE")
    
    print("=" * 80)
    print("InstantSplat API Client")
    print("=" * 80)
    
    # Process images
    result = process_images(image_paths, space_url)
    
    print("\n" + "=" * 80)
    
    # Display results
    if result["status"] == "success":
        print("✅ SUCCESS!")
        print("-" * 80)
        print(f"GLB URL: {result['glb_url']}")
        print(f"PLY URL: {result['ply_url']}")
        if result['video_available']:
            print("Video: Available")
        print("-" * 80)
        print("\n💡 Tip: You can now download the GLB file:")
        print(f"   curl -o model.glb '{result['glb_url']}'")
        print("=" * 80)
        return 0
    else:
        print("❌ ERROR!")
        print("-" * 80)
        print(f"Error: {result['error']}")
        print("=" * 80)
        return 1


if __name__ == "__main__":
    sys.exit(main())