"""Module to handle the React routes."""

import os
import sys

from flask import Blueprint, send_from_directory, render_template
from configs import index_tags

if getattr(sys, "frozen", False):  # Running as a bundled app
    base_path = getattr(sys, "_MEIPASS", os.path.abspath("."))
else:  # Running in a normal Python environment
    base_path = os.path.abspath(".")

static_folder = os.path.join(base_path, "frontend-dist")

react_bp = Blueprint(
    "react_bp",
    __name__,
    static_folder=static_folder,
    static_url_path="/",
    template_folder=static_folder,
)


@react_bp.route("/", methods=["GET"])
@react_bp.route("/<path:path>", methods=["GET"])
@react_bp.route("/<path>", methods=["GET"])
def index(path=""):
    """Handle the index route."""
    # Ensure static_folder is not None
    if react_bp.static_folder is None:
        raise ValueError("Static folder is not configured for the blueprint")

    # Normalize the path to prevent directory traversal
    safe_path = os.path.normpath(path)
    file_path = os.path.join(react_bp.static_folder, safe_path)

    if path and os.path.exists(file_path):
        return send_from_directory(react_bp.static_folder, safe_path)

    # Only allow certain paths to render index.html with tags
    allowed_paths = ["", "cache", "api", "testplayer", "account"]
    if safe_path.lower() in allowed_paths:
        data = index_tags.tags.get(safe_path.lower(), index_tags.tags.get("index", {}))
        return render_template("index.html", data=data)

    # Fallback: serve index.html for all other routes (SPA)
    return send_from_directory(react_bp.static_folder, "index.html")