#!/usr/bin/env python

import os
import uuid
from flask import Flask, url_for, render_template, send_from_directory, jsonify, make_response
from flaskext.markdown import Markdown
import markdown
import markdown.extensions.fenced_code
import markdown.extensions.codehilite
import markdown.extensions.toc
from markdown.extensions.toc import TocExtension
from pygments.formatters import HtmlFormatter
from husk_helpers import make_tree, cut_path_tree, cut_filetype_tree, list_files, build_index # , rem_readme
import toml

app = Flask(__name__)
Markdown(app)

app.config["husk"] = toml.load("settings.toml")
content_path = app.config["husk"]["content"]["path"]
highlight_style = app.config["husk"]["content"]["style"]
STYLESHEET = "stylesheet.css"
STYLESHEET_AUTO_COMPLETE = "auto-complete.css"
project_name = app.config["husk"]["project"]["name"]
project_title = app.config["husk"]["project"]["title"]

app.config["husk"]["style"] = toml.load("style.toml")
colors = app.config["husk"]["style"][highlight_style]


@app.route('/index.json')
def index():
    searchable = build_index(content_path, ".md")
    response = make_response(searchable)
    response.headers["Content-Type"] = "application/json"
    # response.headers["Content-Encoding"] = "gzip"
    response.cache_control.max_age = 420
    return response


@app.route('/', defaults={'path': 'README'})
@app.route('/<path:path>.html')
def content(path="README"):
    md_file_path = os.path.join(app.root_path, content_path, f'{path}.md')
    with open(md_file_path, "r") as _f:
        md_file = _f.read()
    md_extensions = [
        'toc',
        TocExtension(toc_class="", title=""),
        "fenced_code",
        "codehilite",
        "tables",
        "mdx_math"
    ]
    md_configs = {"mdx_math": {"enable_dollar_delimiter": True}}
    md = markdown.Markdown(
        extensions=md_extensions,
        extension_configs=md_configs
        )
    html = md.convert(md_file)
    formatter = HtmlFormatter(
        style=highlight_style,
        full=True,
        cssclass="codehilite"
        )
    css_string = formatter.get_style_defs()
    md_css_string = "<style>" + css_string + "</style>"
    md_template = md_css_string + html
    res = render_template(
        "documentation.html",
        toc=md.toc,
        md_doc=md_template,
        colors=colors,
        stylesheet=STYLESHEET,
        stylesheet_auto_complete=STYLESHEET_AUTO_COMPLETE,
        project_name=project_name,
        project_title=project_title,
        tree=cut_path_tree(
            #rem_readme(content_path, make_tree(content_path)),
            make_tree(content_path),
            content_path,
            ".md"
            )
        )
    response = make_response(res)
    response.headers["Content-Type"] = "text/html; charset=utf-8"
    return response


@app.route('/favicon.ico')
def favicon():
    return send_from_directory(
        os.path.join(app.root_path, 'static'),
        'favicon.ico'
        )


with app.test_request_context():
    print(f"Front page is {url_for('content', md_file='README')}")