"""
Optional Gradio UI for the MCP server.
This can run alongside the FastAPI server for visual testing.
"""
import gradio as gr
from server import search_youtube_videos
import json

def search_interface(query: str, max_results: int = 5):
    """Gradio interface for YouTube search"""
    if not query:
        return {"error": "Please enter a search query"}
    
    try:
        results = search_youtube_videos(query, int(max_results))
        return {
            "success": True,
            "count": len(results),
            "results": results
        }
    except Exception as e:
        return {
            "success": False,
            "error": str(e)
        }

# Create Gradio interface
with gr.Blocks(title="YouTube Search MCP Server") as demo:
    gr.Markdown("# 🔍 YouTube Search MCP Server")
    gr.Markdown("Test the YouTube search functionality with a visual interface.")
    
    with gr.Row():
        with gr.Column():
            query_input = gr.Textbox(
                label="Search Query",
                placeholder="Enter search term (e.g., 'Python tutorial')",
                lines=1
            )
            max_results = gr.Slider(
                minimum=1,
                maximum=10,
                value=5,
                step=1,
                label="Maximum Results"
            )
            search_btn = gr.Button("🔍 Search", variant="primary")
        
        with gr.Column():
            output = gr.JSON(label="Search Results")
    
    # Examples
    gr.Examples(
        examples=[
            ["Python programming tutorial", 5],
            ["Machine learning basics", 3],
            ["FastAPI tutorial", 5],
        ],
        inputs=[query_input, max_results],
    )
    
    # Connect button
    search_btn.click(
        fn=search_interface,
        inputs=[query_input, max_results],
        outputs=output
    )

if __name__ == "__main__":
    demo.launch(server_name="0.0.0.0", server_port=7860)