"""Helper functions to style our gradio elements"""

import re
import os

def model_hyperlink(link, model_name):
    return f'<a target="_blank" href="{link}" style="color: var(--link-text-color); text-decoration: underline;text-decoration-style: dotted;">{model_name}</a>'


def make_clickable_model(model_name):
    link = f"https://huggingface.co/{model_name}"
    return model_hyperlink(link, model_name)


def make_clickable_report(report_url):
    """Create a clickable link to the assessment report
    
    If the report_url is a full URL (starts with http), use it directly
    Otherwise, assume it's a local file path and construct a local link
    using Gradio's markdown format that works in table cells.
    """
    if not report_url:
        return ""
    
    # Check if this is a URL or local file reference
    if report_url.startswith("http"):
        # External URL, use markdown format
        return f"[📝 View Report]({report_url})"
    else:
        # Local file reference, create a relative path to the public directory
        # Use Gradio's file URL format which renders correctly in markdown cells
        report_path = f"file/reports/{report_url}"
        return f"[📝 Report]({report_path})"


def styled_error(error):
    return f"<p style='color: red; font-size: 20px; text-align: center;'>{error}</p>"


def styled_warning(warn):
    return f"<p style='color: orange; font-size: 20px; text-align: center;'>{warn}</p>"


def styled_message(message):
    return f"<p style='color: green; font-size: 20px; text-align: center;'>{message}</p>"


def has_no_nan_values(df, columns):
    return df[columns].notna().all(axis=1)


def has_nan_values(df, columns):
    return df[columns].isna().any(axis=1)


def make_clickable_library(library_name: str) -> str:
    """Link to the GitHub repository"""
    library_path = library_name.replace(" ", "-").lower()
    
    # If this is a GitHub repository, link directly
    github_url = f"https://github.com/{library_path}"
    
    return f'<a href="{github_url}" target="_blank">{library_name}</a>'


def styled_message(message) -> str:
    """Format a message with a green header"""
    return f'<span style="color: green">✅ Success:</span> {message}'


def styled_warning(message) -> str:
    """Format a warning message with an orange header"""
    return f'<span style="color: orange">⚠️ Warning:</span> {message}'


def styled_error(message) -> str:
    """Format an error message with a red header"""
    return f'<span style="color: red">❌ Error:</span> {message}'


# Risk severity coloring for risk scores
def colorize_risk_score(score):
    """
    Apply color coding to risk scores:
    0-3.9: Green (Low risk)
    4-6.9: Orange (Medium risk)
    7-10: Red (High risk)
    """
    if score < 4:
        return f'<span style="color: green">{score:.1f}</span>'
    elif score < 7:
        return f'<span style="color: orange">{score:.1f}</span>'
    else:
        return f'<span style="color: red">{score:.1f}</span>'