from flask import Blueprint, make_response, render_template
import os
from slugify import slugify
import re
from flask import redirect, url_for, send_from_directory
from .pth import pth
import bs4
from urllib.parse import urljoin
bp = Blueprint("internfiles", __name__, url_prefix="/internfiles")


class Folder:
    def __init__(self, path="", p=""):
        self.path = pth(path)
        self.p = p
        self.files = []
        self.dirs = []
        for it in os.scandir(path):
            if it.is_file():
                self.files.append(pth(it.name))
            if it.is_dir():
                self.dirs.append(pth(it.name))

    @property
    def bookmarks(self):
        f = self.p.split("/")
        # return [i for i in range(len(f)-1) ]
        b = ["/".join(f[0:i]) for i in range(len(f))]
        return b

    def __repr__(self):
        return f"Folder({self.path})"


def load_file_and_folder(path: str = ""):
    f, directory = (None, None)
    path = pth(path)
    datapath = pth("./data")
    filepath = datapath + path
    if not os.path.isdir(datapath):
        return None, None
    if not str(path) == "" and not (filepath in datapath):
        return None, None

    if os.path.isfile(filepath):
        f = filepath

    for d in [path, path - 1, pth("")]:
        if os.path.isdir(datapath + d):
            directory = datapath + d
            break
    return f, Folder(directory, d)


@bp.route("/")
@bp.route("/<path:path>")
def web(path=""):
    f, d = load_file_and_folder(path)
    if not f and not d.p == path:
        path=urljoin("https://bot.2020.fet.at",url_for(".web", path=d.p))
        print(f"url for :{path}")
        return redirect(path, code=302)
    text = None
    print("Accessing internfiles.web path %s"% path)
    if f and f.endswith(".txt"):
        text = os.path.abspath(f)

        with open(os.path.abspath(f), "r", encoding='utf-8') as fh:
            text = (fh.read())
            text = re.sub(r"\\n\s*\\n", "<br>", text)
            #text=bs4.BeautifulSoup(text).text
    elif f:
        return send_from_directory(str(f - 1), str(f[-1]))
    return render_template("internfiles.html", file=f, dir=d, text=text, path=pth(d.p))