import gradio as gr
import plotly.graph_objects as go
import numpy as np
from src.dataloading import get_leaderboard_models_cached, get_leaderboard_datasets

def create_heatmap(selected_models, selected_dataset):
    if not selected_models or not selected_dataset:
        return gr.Plot(visible=False)
    
    # Generate random similarity matrix
    size = len(selected_models)
    similarities = np.random.rand(size, size)
    similarities = (similarities + similarities.T) / 2  # Make symmetric
    
    # Create plot
    fig = go.Figure(data=go.Heatmap(
        z=similarities,
        x=selected_models,
        y=selected_models,
        colorscale='Viridis'
    ))
    
    fig.update_layout(
        title=f"Similarity Matrix for {selected_dataset}",
        width=800,
        height=800
    )
    
    # Return both the figure and visibility update
    return gr.Plot.update(value=fig, visible=True)

def validate_inputs(selected_models, selected_dataset):
    if not selected_models:
        raise gr.Error("Please select at least one model!")
    if not selected_dataset:
        raise gr.Error("Please select a dataset!")

with gr.Blocks(title="LLM Similarity Analyzer") as demo:
    gr.Markdown("## Model Similarity Comparison Tool")
    
    with gr.Row():
        dataset_dropdown = gr.Dropdown(
            choices=get_leaderboard_datasets(),
            label="Select Dataset",
            filterable=True,
            interactive=True,
            info="Leaderboard benchmark datasets"
        )

        model_dropdown = gr.Dropdown(
            choices=get_leaderboard_models_cached(),
            label="Select Models",
            multiselect=True,
            filterable=True,
            allow_custom_value=False,
            info="Search and select multiple models"
        )
    
    generate_btn = gr.Button("Generate Heatmap", variant="primary")
    heatmap = gr.Plot(label="Similarity Heatmap", visible=False)
    
    # Event handling
    generate_btn.click(
        fn=validate_inputs,
        inputs=[model_dropdown, dataset_dropdown],
        queue=False
    ).then(
        fn=create_heatmap,
        inputs=[model_dropdown, dataset_dropdown],
        outputs=heatmap
    )
    
    # Clear button should reset to empty lists
    clear_btn = gr.Button("Clear Selection")
    clear_btn.click(
        lambda: [[], [], gr.Plot.update(visible=False)],
        outputs=[model_dropdown, dataset_dropdown, heatmap]
    )

if __name__ == "__main__":
    demo.launch()