import gradio as gr
from gradio_leaderboard import Leaderboard, ColumnFilter, SelectColumns
import pandas as pd
from apscheduler.schedulers.background import BackgroundScheduler
from huggingface_hub import snapshot_download
from functools import lru_cache
import logging
import os

from src.about import CITATION_BUTTON_LABEL, CITATION_BUTTON_TEXT, EVALUATION_QUEUE_TEXT, INTRODUCTION_TEXT, \
    LLM_BENCHMARKS_TEXT, TITLE
from src.tasks import TASK_DESCRIPTIONS, MEASURE_DESCRIPTION
from src.display.css_html_js import custom_css
from src.display.utils import BENCHMARK_COLS, COLS, EVAL_COLS, EVAL_TYPES, AutoEvalColumn, ModelType, fields, \
    WeightType, Precision
from src.envs import API, EVAL_REQUESTS_PATH, EVAL_RESULTS_PATH, QUEUE_REPO, REPO_ID, RESULTS_REPO, TOKEN
from src.populate import get_evaluation_queue_df, get_leaderboard_df
from src.submission.submit import add_new_eval
import matplotlib.pyplot as plt
import re
import plotly.express as px
import plotly.graph_objects as go
import numpy as np

import requests

# Configure logging
logging.basicConfig(level=logging.INFO)
logger = logging.getLogger(__name__)

# EVALITA results
BASELINES = {
    "TE": 71.00, "SA": 66.38, "HS": 80.88, "AT": 82.40, "WIC": 85.00,
    "LS": 38.82, "SU": 38.91, "NER": 88.00, "REL": 62.99
}

# GPT-4o results
REFERENCES = {
    "NER": 79.11, "REL": 63.32, "LS": 59.25, "SU": 33.04
}

TASK_METADATA_MULTIPLECHOICE = {
    "TE": {"icon": "📊", "name": "Textual Entailment", "tooltip": ""},
    "SA": {"icon": "😃", "name": "Sentiment Analysis", "tooltip": ""},
    "HS": {"icon": "⚠️", "name": "Hate Speech", "tooltip": ""},
    "AT": {"icon": "🏥", "name": "Admission Test", "tooltip": ""},
    "WIC": {"icon": "🔤", "name": "Word in Context", "tooltip": ""},
    "FAQ": {"icon": "❓", "name": "Frequently Asked Questions", "tooltip": ""}
}

TASK_METADATA_GENERATIVE = {
    "LS": {"icon": "🔄", "name": "Lexical Substitution", "tooltip": ""},
    "SU": {"icon": "📝", "name": "Summarization", "tooltip": ""},
    "NER": {"icon": "🏷️", "name": "Named Entity Recognition", "tooltip": ""},
    "REL": {"icon": "🔗", "name": "Relation Extraction", "tooltip": ""},
}

# Function to send a Slack notification for a new model submission for evaluation
def send_slack_notification(model_name, user_name, user_affiliation):
    # Insert your Slack webhook URL here
    webhook_url = os.getenv("WEBHOOK_URL")

    # Create the messag to be sent to Slack
    message = {
        "text": f"New model submission for EVALITA-LLM leaderboard:\n\n"
                f"**Model Name**: {model_name}\n"
                f"**User**: {user_name}\n"
                f"**Affiliation**: {user_affiliation}\n"
                f"Check out the model on HuggingFace: https://huggingface.co/{model_name}"
    }

    # Send the message to Slack
    response = requests.post(webhook_url, json=message)

    # Check if the request was successful and return the appropriate message
    if response.status_code == 200:
        return "✅ **Notification sent successfully!**"
    else:
        return f"❌ **Failed to send notification**: {response.text}"


# Funcion to validate the model submission and send the request for processing
def validate_and_submit_request(model_name, user_email, user_affiliation):
    # Check if model name is provided and not empt
    if not model_name or not model_name.strip():
        return "❌ **Error:** Model name is required."

    # Check if user email is provided and not empty
    if not user_email or not user_email.strip():
        return "❌ **Error:** Email address is required."

    # Validate email format using regex
    email_regex = r'^[a-zA-Z0-9._%+-]+@[a-zA-Z0-9.-]+\.[a-zA-Z]{2,}$'
    if not re.match(email_regex, user_email.strip()):
        return "❌ **Error:** Invalid email format. Please enter a valid email address."

    # Check if user affiliation is provided and not empty
    if not user_affiliation or not user_affiliation.strip():
        return "❌ **Error:** Affiliation is required."

    # Check if model name follows the correct format (organization/model-name)
    if "/" not in model_name:
        return "❌ **Error:** Model name must be in format 'organization/model-name' (e.g., 'microsoft/DialoGPT-medium')."

    # Check if the model name contains only valid characters
    if not re.match(r'^[a-zA-Z0-9._/-]+$', model_name):
        return "❌ **Error:** Model name contains invalid characters."

    slack_response = send_slack_notification(model_name.strip(), user_email.strip(), user_affiliation.strip())

    # Return the Slack response (success or failure message)
    return slack_response

def highlight_best_per_task(df):
    """Add 🟡 symbol next to the maximum value in each task column"""

    task_columns = ["TE", "SA", "HS", "AT", "WIC", "FAQ", "LS", "SU", "NER", "REL"]

    df = df.copy()
    for col in task_columns:
        if col in df.columns:
            max_val = df[col].max()
            df[col] = df[col].apply(
                lambda x: f"{x:.1f}🔺" if x == max_val else f"{x:.1f}"
            )
    return df

def theoretical_performance(df_hash):
    """
    Theoretical performance of a model that scores the highest on every individual task
    """
    # This is a placeholder - you'd need to pass the actual dataframe
    # In practice, you'd compute this once and store it
    #fields = ["TE", "SA", "HS", "AT", "WIC", "FAQ", "LS", "SU", "NER", "REL"]
    return 75.0  # Placeholder value


def scale_sizes(values, min_size=8, max_size=30):
    """Normalize sizes for scatter plot markers """
    if not values:
        return []
    vmin, vmax = min(values), max(values)
    if vmax == vmin:
        return [(min_size + max_size) / 2] * len(values)
    return [
        min_size + (val - vmin) / (vmax - vmin) * (max_size - min_size)
        for val in values
    ]


def extract_model_name(model_string):
    """Extract model name from HTML string."""
    match = re.search(r'>([^<]+)<', model_string)
    return match.group(1) if match else model_string


def create_line_chart(dataframe):
    """Create left chart."""

    def scale_sizes(values, min_size=8, max_size=30):
        vmin, vmax = min(values), max(values)
        return [
            min_size + (val - vmin) / (vmax - vmin) * (max_size - min_size) if vmax > vmin
            else (min_size + max_size) / 2
            for val in values
        ]

    fig = go.Figure()

    # Loop su 5-Shot e 0-Shot
    for shot, color in [(True, "blue"), (False, "red")]:
        df = dataframe[dataframe["IS_FS"] == shot]

        x = df["#Params (B)"].tolist()
        y = df["Avg. Comb. Perf. ⬆️"].tolist()
        labels = [
            re.search(r'>([^<]+)<', m).group(1) if isinstance(m, str) and re.search(r'>([^<]+)<', m) else str(m)
            for m in df["Model"].tolist()
        ]

        fig.add_trace(go.Scatter(
            x=x,
            y=y,
            mode="markers",
            name="5-Shot" if shot else "0-Shot",
            marker=dict(color=color, size=scale_sizes(x)),
            hovertemplate="<b>%{customdata}</b><br>#Params: %{x}<br>Performance: %{y}<extra></extra>",
            customdata=labels,
        ))

    # Show the best model
    all_y = dataframe["Avg. Comb. Perf. ⬆️"].tolist()
    if all_y:
        max_idx = all_y.index(max(all_y))
        max_x = dataframe["#Params (B)"].iloc[max_idx]
        max_y = all_y[max_idx]
        max_label = re.search(r'>([^<]+)<', dataframe["Model"].iloc[max_idx]).group(1)

        fig.add_annotation(
            x=max_x,
            y=max_y,
            text=max_label,
            showarrow=True,
            arrowhead=2,
            arrowsize=1,
            arrowwidth=2,
            arrowcolor="black",
            font=dict(size=11, color="black"),
            xshift=10, yshift=10,
            ax=-30, ay=-20,
            xanchor="right"
        )

    # Layout
    fig.update_layout(
        title="Average Combined Performance vs #Params",
        xaxis_title="#Params (B)", yaxis_title="Average Combined Performance",
        template="plotly_white", hovermode="closest",
        font=dict(family="Arial", size=10), dragmode=False,
        xaxis=dict(tickvals=[0, 25, 50, 75, 100, 125], ticktext=["0", "25", "50", "75", "100"]),
        yaxis=dict(tickvals=[0, 20, 40, 60, 80, 100], range=[0, 100])
    )

    # Caption
    fig.add_annotation(
        text="Accuracy generally rises with #Params, but smaller models <br>"
             "with 5-shot can outperform larger zero-shot models.",
        xref="paper", yref="paper", x=0.5, y=-0.3,
        showarrow=False, font=dict(size=11, color="gray"),
        align="center", xanchor="center"
    )

    fig.update_xaxes(fixedrange=True, rangeslider_visible=False)
    fig.update_yaxes(fixedrange=True)

    return fig


def create_boxplot_task(dataframe=None, baselines=None, references=None):
    """Create right chart"""
    print(dataframe.columns)

    tasks = ["TE", "SA", "HS", "AT", "WIC", "FAQ", "LS", "SU", "NER", "REL"]

    # Dati di default se non forniti
    if dataframe is None:
        np.random.seed(42)
        dataframe = pd.DataFrame({task: np.random.uniform(0.4, 0.9, 20) * 100 for task in tasks})

    if baselines is None:
        baselines = {task: np.random.randint(50, 70) for task in tasks}

    if references is None:
        references = {}

    colors = ["#1f77b4", "#ff7f0e", "#2ca02c", "#d62728", "#9467bd",
              "#8c564b", "#e377c2", "#7f7f7f", "#bcbd22", "#17becf"]

    fig = go.Figure()

    for i, task in enumerate(tasks):
        if task not in dataframe.columns:
            continue

        y_data = dataframe[task].dropna().tolist()

        # Boxplot
        fig.add_trace(go.Box(
            y=y_data,
            name=task,
            marker=dict(color=colors[i]),
            line=dict(color="black", width=2),
            fillcolor=colors[i],
            opacity=0.7,
            hovertemplate="<b>"+task+"</b><br>Accuracy: %{y:.2f}%<extra></extra>",
            hoverlabel=dict(bgcolor=colors[i], font_color="white"),
            width=0.6,
            whiskerwidth=0.2,
            quartilemethod="linear"
        ))

        # Linea baseline
        baseline_value = baselines.get(task)
        if baseline_value is not None:
            fig.add_shape(
                type="line",
                x0=i - 0.3, x1=i + 0.3,
                y0=baseline_value, y1=baseline_value,
                line=dict(color="black", width=2, dash="dot"),
                xref="x", yref="y"
            )

        # Linea reference GPT-4o
        reference_value = references.get(task)
        if reference_value is not None:
            fig.add_shape(
                type="line",
                x0=i - 0.3, x1=i + 0.3,
                y0=reference_value, y1=reference_value,
                line=dict(color="red", width=2, dash="dashdot"),
                xref="x", yref="y"
            )

    # Layout
    fig.update_layout(
        title="Distribution of Model Accuracy by Task",
        xaxis_title="Task",
        yaxis_title="Combined Performance",
        template="plotly_white",
        boxmode="group",
        dragmode=False,
        font=dict(family="Arial", size=10),
        margin=dict(b=80),
    )

    # Caption
    fig.add_annotation(
        text=(
            "In tasks like TE and SA, models approach the accuracy of supervised <br>"
            "models at EVALITA (dashed black line); in NER and REL they remain lower. <br>"
            "Dashed red lines show GPT-4o reference results for generative tasks."
        ),
        xref="paper", yref="paper",
        x=0.5, y=-0.30,
        showarrow=False,
        font=dict(size=11, color="gray"),
        align="center"
    )

    fig.update_yaxes(range=[0, 100], fixedrange=True)
    fig.update_xaxes(fixedrange=True)

    return fig


def create_medal_assignments(sorted_df):
    """Function for medal assignment logic"""
    medals = {
        'large_fs': False, 'medium_fs': False, 'small_fs': False,
        'large_0shot': False, 'medium_0shot': False, 'small_0shot': False
    }

    new_model_column = []

    for _, row in sorted_df.iterrows():
        model_name = row['Model']
        size = row["Size"]
        is_fs = row['IS_FS']

        if is_fs:  # 5-Few-Shot
            if size == "🔵🔵🔵" and not medals['large_fs']:
                model_name = f"{model_name} 🔵🔵🔵🏆"
                medals['large_fs'] = True
            elif size == "🔵🔵" and not medals['medium_fs']:
                model_name = f"{model_name} 🔵🔵🏆"
                medals['medium_fs'] = True
            elif size == "🔵" and not medals['small_fs']:
                model_name = f"{model_name} 🔵🏆"
                medals['small_fs'] = True
        else:  # 0-Shot
            if size == "🔵🔵🔵" and not medals['large_0shot']:
                model_name = f"{model_name} 🔵🔵🔵🎖️"
                medals['large_0shot'] = True
            elif size == "🔵🔵" and not medals['medium_0shot']:
                model_name = f"{model_name} 🔵🔵🎖️"
                medals['medium_0shot'] = True
            elif size == "🔵" and not medals['small_0shot']:
                model_name = f"{model_name} 🔵🎖️"
                medals['small_0shot'] = True

        new_model_column.append(model_name)

    return new_model_column


def create_leaderboard_base(sorted_dataframe, field_list, hidden_columns):
    """Base leaderboard creation with common parameters. """

    return Leaderboard(
        value=sorted_dataframe,
        datatype=[c.type for c in field_list],
        search_columns=[AutoEvalColumn.model.name],
        hide_columns=hidden_columns,
        filter_columns=[
            ColumnFilter(AutoEvalColumn.fewshot_symbol.name, type="checkboxgroup", label="N-Shot Learning (FS)"),
            ColumnFilter(AutoEvalColumn.params.name, type="slider", min=0, max=100, default=[0, 100],
                         label="Select the number of parameters (B)"),
        ],
        bool_checkboxgroup_label="Evaluation Mode",
        interactive=False,
    )


def init_leaderboard(dataframe, default_selection=None, hidden_columns=None):
    """Leaderboard initialization """
    if dataframe is None or dataframe.empty:
        raise ValueError("Leaderboard DataFrame is empty or None.")

    # Sort and reset index
    sorted_dataframe = dataframe.sort_values(by="Avg. Comb. Perf. ⬆️", ascending=False).reset_index(drop=True)
    sorted_dataframe["Rank"] = sorted_dataframe.index + 1

    # Apply medal assignments
    sorted_dataframe["Model"] = create_medal_assignments(sorted_dataframe)

    # Show the best values for tasks
    sorted_dataframe = highlight_best_per_task(sorted_dataframe)

    field_list = fields(AutoEvalColumn)

    return create_leaderboard_base(sorted_dataframe, field_list, hidden_columns)


def update_task_leaderboard(dataframe, default_selection=None, hidden_columns=None):

    """ Task-specific leaderboard update."""
    if dataframe is None or dataframe.empty:
        raise ValueError("Leaderboard DataFrame is empty or None.")

    # Sort and reset index
    sorted_dataframe = dataframe.sort_values(by="Comb. Perf. ⬆️", ascending=False).reset_index(drop=True)
    sorted_dataframe["Rank"] = sorted_dataframe.index + 1

    # Apply medal assignments
    sorted_dataframe["Model"] = create_medal_assignments(sorted_dataframe)

    field_list = fields(AutoEvalColumn)

    return Leaderboard(
        value=sorted_dataframe,
        datatype=[c.type for c in field_list] + [int],
        search_columns=[AutoEvalColumn.model.name],
        hide_columns=hidden_columns,
        filter_columns=[
            ColumnFilter(AutoEvalColumn.fewshot_symbol.name, type="checkboxgroup", label="N-Shot Learning (FS)"),
            ColumnFilter(AutoEvalColumn.params.name, type="slider", min=0, max=100, default=[0, 100],
                         label="Select the number of parameters (B)"),
        ],
        bool_checkboxgroup_label="Evaluation Mode",
        interactive=False
    )


def download_snapshot(repo, local_dir, max_retries=3):
    """Snapshot download with retry logic."""
    for attempt in range(max_retries):
        try:
            logger.info(f"Downloading from {repo} to {local_dir} (attempt {attempt + 1}/{max_retries})")
            snapshot_download(
                repo_id=repo,
                local_dir=local_dir,
                repo_type="dataset",
                tqdm_class=None,
                etag_timeout=30,
                token=TOKEN
            )
            return True
        except Exception as e:
            logger.error(f"Error downloading {repo} (attempt {attempt + 1}): {e}")
            if attempt == max_retries - 1:
                logger.error(f"Failed to download {repo} after {max_retries} attempts")
                return False
    return False


def restart_space():
    """Restart the Hugging Face space."""
    try:
        logger.info("Restarting space... ")
        API.restart_space(repo_id=REPO_ID)
    except Exception as e:
        logger.error(f"Error restarting space: {e}")


def create_title_html():
    """Function for title HTML."""
    return """
    <div class="title-header">
        <h1 class="title-text">
            EVALITA-LLM Leaderboard
        </h1>
        <a href="https://huggingface.co/spaces/mii-llm/open_ita_llm_leaderboard" target="_blank" class="title-link">
            <svg xmlns="http://www.w3.org/2000/svg" viewBox="0 0 24 24">
                <path d="M3.9 12a5 5 0 0 1 7.07-7.07l1.41 1.41-1.41 1.41-1.42-1.42a3 3 0 1 0 4.24 4.24l3.54-3.54a5 5 0 0 1-7.07 7.07l-1.41-1.41 1.41-1.41 1.42 1.42z"/>
                <path d="M20.1 12a5 5 0 0 1-7.07 7.07l-1.41-1.41 1.41-1.41 1.42 1.42a3 3 0 1 0-4.24-4.24l-3.54 3.54a5 5 0 0 1 7.07-7.07l1.41 1.41-1.41 1.41-1.42-1.42z"/>
            </svg>
            Open Italian LLM Leaderboard
        </a>
    </div>
    """


def create_credits_markdown():
    """Credits section."""
    return """
**This project has benefited from the following support:**

- 🧠 **Codebase**: Based on and extended from the Open Italian LLM Leaderboard, developed by **Alessandro Ercolani** and **Samuele Colombo**. We warmly thank them for their invaluable support and guidance in implementing this leaderboard.

- 💶 **Funding**: Partially supported by the PNRR project **FAIR - Future AI Research (PE00000013)**, under the NRRP MUR program funded by **NextGenerationEU**.

- 🖥️ **Computation**: We gratefully acknowledge **CINECA** for granting access to the **LEONARDO** supercomputer.
"""


# Main initialization
def initialize_app():
    """Initialize the application ."""
    try:
        # Download snapshots
        queue_success = download_snapshot(QUEUE_REPO, EVAL_REQUESTS_PATH)
        results_success = download_snapshot(RESULTS_REPO, EVAL_RESULTS_PATH)

        if not (queue_success and results_success):
            logger.error("Failed to download required data")
            return None, None, None, None, None

        # Load leaderboard data
        leaderboard_df = get_leaderboard_df(EVAL_RESULTS_PATH, EVAL_REQUESTS_PATH, COLS, BENCHMARK_COLS)
        finished_eval_queue_df, running_eval_queue_df, pending_eval_queue_df = get_evaluation_queue_df(
            EVAL_REQUESTS_PATH, EVAL_COLS)

        # Calculate theoretical max performance
        theoretical_max = theoretical_performance(hash(str(leaderboard_df.values.tobytes())))

        return leaderboard_df, finished_eval_queue_df, running_eval_queue_df, pending_eval_queue_df, theoretical_max

    except Exception as e:
        logger.error(f"Error initializing app: {e}")
        return None, None, None, None, None


# Initialize data
LEADERBOARD_DF, finished_eval_queue_df, running_eval_queue_df, pending_eval_queue_df, theoretical_max_combined_perf = initialize_app()

if LEADERBOARD_DF is None:
    # Fallback behavior
    logger.error("Failed to initialize app data")
    theoretical_max_combined_perf = 0.0


# Main Gradio interface
def create_gradio_interface():
    """The main Gradio interface."""
    demo = gr.Blocks(css=custom_css)

    with demo:
        # Titolo
        gr.HTML(create_title_html())
        gr.Markdown(INTRODUCTION_TEXT, elem_classes="markdown-text")

        # Tabs principali
        with gr.Tabs(elem_classes="tab-buttons") as tabs:
            # 🏅 Benchmark
            with gr.TabItem("🏅 Benchmark"):
                if LEADERBOARD_DF is not None:
                    # Labels dei campi affiancate

                    with gr.Row():
                        gr.HTML(f"""
                        <div class="performance-metrics">
                            <div class="metric-label" title="Total number of configurations (zero-shot and 5-few-shot) of the models evaluated in the leaderboard.">
                                Models tested: {len(LEADERBOARD_DF)}
                            </div>
                            <div class="metric-label" title="Average accuracy of the evaluated models.">
                                Avg combined perf.: {LEADERBOARD_DF['Avg. Comb. Perf. ⬆️'].mean():.2f}
                            </div>
                            <div class="metric-label" title="Standard deviation of the evaluated models' performance.">
                                Std. Dev. {LEADERBOARD_DF['Avg. Comb. Perf. ⬆️'].std():.2f}
                            </div>
                            <div class="metric-label" title="Best evaluated model.">
                                Best model: {LEADERBOARD_DF.loc[LEADERBOARD_DF['Avg. Comb. Perf. ⬆️'].idxmax(), 'Model']}
                            </div>
                            <div class="metric-label" title="Accuracy of the best evaluated model.">
                                Best model accuracy: {LEADERBOARD_DF.loc[LEADERBOARD_DF['Avg. Comb. Perf. ⬆️'].idxmax(), 'Avg. Comb. Perf. ⬆️']:.2f}
                            </div>
                            <div class="metric-label" title="Maximum achievable accuracy based on the highest performance for each task by any model in the leaderboard.">
                                Ideal model: {theoretical_max_combined_perf:.2f}
                            </div>
                        </div>
                        """)

                    # Grafici affiancati
                    with gr.Row():
                        gr.Plot(value=create_line_chart(LEADERBOARD_DF), elem_id="line-chart")
                        gr.Plot(value=create_boxplot_task(LEADERBOARD_DF, BASELINES, REFERENCES), elem_id="boxplot-task")

                    # Leaderboard
                    leaderboard = init_leaderboard(
                        LEADERBOARD_DF,
                        default_selection=['Rank', 'Size', 'FS', 'Model', "Avg. Comb. Perf. ⬆️",
                                           "TE", "SA", "HS", "AT", "WIC", "FAQ", "LS", "SU", "NER", "REL"],
                        hidden_columns=[col for col in LEADERBOARD_DF.columns if
                                        col not in ['Rank', 'Size', 'FS', 'Model', "Avg. Comb. Perf. ⬆️",
                                                    "TE", "SA", "HS", "AT", "WIC", "FAQ", "LS", "SU", "NER", "REL"]]
                    )

            # 📝 About
            with gr.TabItem("📝 About"):
                gr.Markdown(LLM_BENCHMARKS_TEXT, elem_classes="markdown-text")


            # 🚀 Submit a new model to evaluate
            with gr.TabItem("🚀 Submit"):
                gr.Markdown("# 📝 Model Evaluation Request", elem_classes="markdown-text")
                gr.Markdown("""
                            **Fill out the form below to request evaluation of your model on EVALITA-LLM.**

                            Once submitted, our team will automatically receive a notification. We will evaluate the 
                            submission’s relevance for both research and commercial purposes, as well as assess its feasibility.
                            """, elem_classes="markdown-text")

                with gr.Row():
                    with gr.Column():
                        # HuggingFace model name field
                        model_name_input = gr.Textbox(
                            label="HuggingFace Model Name",
                            placeholder="e.g., microsoft/DialoGPT-medium",
                            info="Enter the complete model name as it appears on HuggingFace Hub (organization/model-name)",
                            elem_id="model-name-input"
                        )

                        # User email field
                        user_name_input = gr.Textbox(
                            label="Your email address",
                            placeholder="e.g., mario.rossi@example.com",
                            info="Enter your email address for communication",
                            elem_id="user-email-input"
                        )

                        # Affiliation field
                        user_affiliation_input = gr.Textbox(
                            label="Affiliation",
                            placeholder="e.g., University of Milan, Google Research, Freelancer",
                            info="Enter your affiliation (university, company, organization)",
                            elem_id="user-affiliation-input"
                        )

                # Submit button
                submit_request_button = gr.Button(
                    "📤 Submit Request",
                    variant="primary",
                    elem_id="submit-request-button"
                )

                # Result  area
                submission_status = gr.Markdown(elem_id="submission-status")

                # Connect button to function
                submit_request_button.click(
                    validate_and_submit_request,
                    inputs=[model_name_input, user_name_input, user_affiliation_input],
                    outputs=submission_status
                )

                # Additional information
                with gr.Accordion("ℹ️ Additional Information", open=False):
                    gr.Markdown("""
                                **What happens after submission:**
                                1. Your request is automatically sent to the EVALITA-LLM team
                                2. We verify that the model is accessible on HuggingFace
                                3. We contact you to confirm inclusion in the evaluation
                                4. The model is added to the evaluation queue

                                **Model requirements:**
                                - Model must be publicly accessible on HuggingFace Hub
                                - Must be compatible with the EleutherAI/lm-evaluation-harness framework
                                - Must have a license that allows evaluation

                                **Evaluation tasks:**
                                Your model will be evaluated on all tasks: TE, SA, HS, AT, WIC, FAQ, LS, SU, NER, REL.
                                """, elem_classes="markdown-text")


            # Separators
            with gr.TabItem("║", interactive=False):
                gr.Markdown("", elem_classes="markdown-text")

            # Task-specific tabs (Multiple Choice)
            if LEADERBOARD_DF is not None:
                for task, metadata in TASK_METADATA_MULTIPLECHOICE.items():
                    with gr.TabItem(f"{metadata['icon']}{task}"):
                        task_description = TASK_DESCRIPTIONS.get(task, "Description not available.")
                        gr.Markdown(task_description, elem_classes="markdown-text")

                        leaderboard_task = update_task_leaderboard(
                            LEADERBOARD_DF.rename(columns={
                                f"{task} Prompt Average": "Prompt Average",
                                f"{task} Prompt Std": "Prompt Std",
                                f"{task} Best Prompt": "Best Prompt",
                                f"{task} Best Prompt Id": "Best Prompt Id",
                                task: "Comb. Perf. ⬆️"
                            }),
                            default_selection=['Rank', 'Size', 'FS', 'Model', 'Comb. Perf. ⬆️',
                                               'Prompt Average', 'Prompt Std', 'Best Prompt', 'Best Prompt Id'],
                            hidden_columns=[col for col in LEADERBOARD_DF.columns if
                                            col not in ['Rank', 'Size', 'FS', 'Model', 'Comb. Perf. ⬆️',
                                                        'Prompt Average', 'Prompt Std', 'Best Prompt',
                                                        'Best Prompt Id']]
                        )

            # Separators
            with gr.TabItem("│", interactive=False):
                gr.Markdown("", elem_classes="markdown-text")

            # Task-specific tabs (Generative)
            if LEADERBOARD_DF is not None:
                for task, metadata in TASK_METADATA_GENERATIVE.items():
                    with gr.TabItem(f"{metadata['icon']}{task}"):
                        task_description = TASK_DESCRIPTIONS.get(task, "Description not available.")
                        gr.Markdown(task_description, elem_classes="markdown-text")

                        leaderboard_task = update_task_leaderboard(
                            LEADERBOARD_DF.rename(columns={
                                f"{task} Prompt Average": "Prompt Average",
                                f"{task} Prompt Std": "Prompt Std",
                                f"{task} Best Prompt": "Best Prompt",
                                f"{task} Best Prompt Id": "Best Prompt Id",
                                task: "Comb. Perf. ⬆️"
                            }),
                            default_selection=['Rank', 'Size', 'FS', 'Model', 'Comb. Perf. ⬆️',
                                               'Prompt Average', 'Prompt Std', 'Best Prompt', 'Best Prompt Id'],
                            hidden_columns=[col for col in LEADERBOARD_DF.columns if
                                            col not in ['Rank', 'Size', 'FS', 'Model', 'Comb. Perf. ⬆️',
                                                        'Prompt Average', 'Prompt Std', 'Best Prompt',
                                                        'Best Prompt Id']]
                        )

        # Citation e Credits
        with gr.Accordion("📙 Citation", open=False):
            gr.Textbox(
                value=CITATION_BUTTON_TEXT,
                label=CITATION_BUTTON_LABEL,
                lines=20,
                elem_id="citation-button",
                show_copy_button=True
            )

        with gr.Accordion("📙 Credits", open=False):
            gr.Markdown(create_credits_markdown())

    return demo


# Create and configure the demo
demo = create_gradio_interface()

# Background scheduler for space restart
scheduler = BackgroundScheduler()
scheduler.add_job(restart_space, "interval", seconds=1800)
scheduler.start()

# Launch configuration
if __name__ == "__main__":
    demo.queue(default_concurrency_limit=40).launch(
        debug=True,
        show_error=True
    )