from flask import Blueprint, send_from_directory, current_app
import os

bp = Blueprint("static_assets", __name__)


@bp.route("/static/libs/tabler-icons/tabler-icons.min.css")
def tabler_icons():
    """Serve tabler-icons CSS from node_modules or download if missing"""
    icons_path = os.path.join(current_app.static_folder, "libs", "tabler-icons")

    # Create directory if it doesn't exist
    if not os.path.exists(icons_path):
        os.makedirs(icons_path)

    css_file = os.path.join(icons_path, "tabler-icons.min.css")

    # If file doesn't exist, download from CDN
    if not os.path.exists(css_file):
        import requests

        try:
            cdn_url = "https://cdn.jsdelivr.net/npm/@tabler/icons@latest/iconfont/tabler-icons.min.css"
            response = requests.get(cdn_url)
            if response.status_code == 200:
                with open(css_file, "wb") as f:
                    f.write(response.content)
                print(f"Downloaded tabler-icons.min.css from CDN")
            else:
                print(f"Failed to download tabler-icons CSS: {response.status_code}")
        except Exception as e:
            print(f"Error downloading tabler-icons CSS: {e}")

    return send_from_directory(icons_path, "tabler-icons.min.css")


@bp.route("/static/css/tabler.min.css")
def tabler_css():
    """Serve tabler CSS from static folder or download if missing"""
    css_path = os.path.join(current_app.static_folder, "css")

    # Create directory if it doesn't exist
    if not os.path.exists(css_path):
        os.makedirs(css_path)

    css_file = os.path.join(css_path, "tabler.min.css")

    # If file doesn't exist, download from CDN
    if not os.path.exists(css_file):
        import requests

        try:
            cdn_url = "https://cdn.jsdelivr.net/npm/@tabler/core@latest/dist/css/tabler.min.css"
            response = requests.get(cdn_url)
            if response.status_code == 200:
                with open(css_file, "wb") as f:
                    f.write(response.content)
                print(f"Downloaded tabler.min.css from CDN")
            else:
                print(f"Failed to download tabler CSS: {response.status_code}")
        except Exception as e:
            print(f"Error downloading tabler CSS: {e}")

    return send_from_directory(css_path, "tabler.min.css")


@bp.route("/static/img/favicon.png")
def favicon():
    """Serve favicon from static folder or create a default one if missing"""
    img_path = os.path.join(current_app.static_folder, "img")

    # Create directory if it doesn't exist
    if not os.path.exists(img_path):
        os.makedirs(img_path)

    favicon_file = os.path.join(img_path, "favicon.png")

    # If file doesn't exist, create a simple one
    if not os.path.exists(favicon_file):
        # Try to download a default favicon
        import requests

        try:
            # Using a simple placeholder favicon
            cdn_url = "https://www.google.com/favicon.ico"
            response = requests.get(cdn_url)
            if response.status_code == 200:
                with open(favicon_file, "wb") as f:
                    f.write(response.content)
                print(f"Created default favicon.png")
            else:
                print(f"Failed to download favicon: {response.status_code}")
        except Exception as e:
            print(f"Error creating favicon: {e}")

    return send_from_directory(img_path, "favicon.png")