"""
Hugging Face Spaces entry point for Ag27 Table Extractor.
This wraps the FastAPI app to be compatible with HF Spaces.
"""

import os
import sys
import subprocess

# Ensure we use the correct port for HF Spaces
port = int(os.environ.get("PORT", 7860))
host = "0.0.0.0"

# Try to import and run the FastAPI app
if __name__ == "__main__":
    # Build the frontend if not already built
    web_dist = os.path.join(os.path.dirname(__file__), "web", "dist")
    if not os.path.exists(web_dist):
        print("Building frontend...")
        
        # Check if package.json exists
        web_dir = os.path.join(os.path.dirname(__file__), "web")
        if not os.path.exists(os.path.join(web_dir, "package.json")):
            print("❌ web/package.json not found!")
            sys.exit(1)
        
        result = subprocess.run(
            ["npm", "--prefix", "web", "install"],
            cwd=os.path.dirname(__file__),
        )
        if result.returncode != 0:
            print("Frontend npm install failed")
            sys.exit(1)
        
        result = subprocess.run(
            ["npm", "--prefix", "web", "run", "build"],
            cwd=os.path.dirname(__file__),
        )
        if result.returncode != 0:
            print("Frontend build failed")
            sys.exit(1)
    
    print(f"✅ Frontend ready at {web_dist}")
    
    # Import and run the FastAPI app
    import uvicorn
    from server import app
    
    print(f"🚀 Starting Ag27 Table Extractor on {host}:{port}")
    uvicorn.run(app, host=host, port=port)