#!/usr/bin/env python
# *****************************************************************************
# Copyright (C) 2023 Thomas Touhey <thomas@touhey.fr>
# This file is part of the textoutpc project, which is MIT-licensed.
# *****************************************************************************
"""Demonstration website for textoutpc."""

from __future__ import annotations

from pathlib import Path

from flask import Flask, render_template, request
from flask_assets import (
    Bundle as AssetsBundle,
    Environment as AssetsEnvironment,
)

from .utils import to_html


__all__ = ["app"]

STATIC_PATH = Path(__file__).parent
DEFAULT_TEXT = open(STATIC_PATH / "content" / "default.bbcode").read().rstrip()
DEFAULT_TRANSLATED_TEXT = to_html(DEFAULT_TEXT)

app = Flask(
    __name__,
    template_folder=STATIC_PATH / "templates",
    static_folder=STATIC_PATH / "static",
)
"""WSGI application for the textoutpc demonstration."""

assets = AssetsEnvironment(app)
assets.register(
    "js",
    AssetsBundle("js/elements.js"),
    filters="jsmin",
    output="index.js",
)
assets.register(
    "css",
    AssetsBundle("css/elements.scss", "css/page.scss"),
    filters=("scss", "cssmin"),
    output="index.css",
)


@app.route("/", methods=("GET", "POST"))
def index() -> str:
    """Process input for demonstration purposes."""
    if request.method == "POST" and "text" in request.form:
        text = request.form["text"].strip()
        result = to_html(text)
    else:
        text = DEFAULT_TEXT
        result = DEFAULT_TRANSLATED_TEXT

    return render_template("page.html", text=text, result=result)