# Python imports
import secrets

# Lib imports
from flask import request, session, render_template, send_from_directory, redirect
from flask_login import current_user


# App imports
from core import app, logger, oidc, db  # Get from __init__
from core.utils import MessageHandler   # Get simple message processor
from core.utils.shellfm import WindowController   # Get file manager controller


msgHandler         = MessageHandler()
window_controllers = {}


def get_window_controller():
    if session.get('win_controller_id') is None:
        id = secrets.token_hex(16)
        session['win_controller_id'] = id
        window_controllers.update( {id: WindowController() } )

    return window_controllers[ session["win_controller_id"]  ]


@app.route('/', methods=['GET', 'POST'])
def home():
    if request.method == 'GET':
        view   = get_window_controller().get_window(1).get_view(0)
        _dot_dots          = view.get_dot_dots()
        _current_directory = view.get_current_directory()
        return render_template('pages/index.html', current_directory = _current_directory, dot_dots = _dot_dots)

    return render_template('error.html', title = 'Error!',
                            message = 'Must use GET request type...')


@app.route('/api/list-files/<_hash>', methods=['GET', 'POST'])
def listFilesRoute(_hash):
    if request.method == 'POST':
        view    = get_window_controller().get_window(1).get_view(0)
        files   = view.get_files_formatted()

        _path  = view.get_path()
        _files = view.get_files_formatted()

        fave    = db.session.query(Favorites).filter_by(link=path).first()
        in_fave = "true" if fave else "false"
        files.update({'in_fave': in_fave})
        return files

        # HASH          = _hash.strip()
        # pathPart      = file_manager.returnPathPartFromHash(HASH)
        # lockedFolders = config["settings"]["locked_folders"].split("::::")
        # path          = file_manager.getPath().split('/')
        # lockedFolderInPath = False
        #
        # # Insure chilren folders are locked too.
        # for folder in lockedFolders:
        #     if folder in path:
        #         lockedFolderInPath = True
        #         break
        #
        # isALockedFolder = (pathPart in lockedFolders or lockedFolderInPath)
        # msg = "Log in with an Admin privlidged user to view the requested path!"
        # if isALockedFolder and not oidc.user_loggedin:
        #     return msgHandler.createMessageJSON("danger", msg)
        # elif isALockedFolder and oidc.user_loggedin:
        #     isAdmin = oidc.user_getfield("isAdmin")
        #     if isAdmin != "yes" :
        #         return msgHandler.createMessageJSON("danger", msg)
        #
        # return listFiles(HASH)
    else:
        msg = "Can't manage the request type..."
        return msgHandler.createMessageJSON("danger", msg)

@app.route('/api/file-manager-action/<_type>/<_hash>')
def file_manager_action(_type, _hash = None):
    view = get_window_controller().get_window(1).get_view(0)

    if _type == "reset-path" and _hash == None:
        view.set_to_home()
        return redirect("/")


    folder = view.get_path()
    file   = view.returnPathPartFromHash(hash)
    fpath  = os.path.join(folder, file)
    logging.debug(fpath)

    if _type == "files":
        return send_from_directory(folder, file)
    if _type == "remux":
        # NOTE: Need to actually implimint a websocket to communicate back to client that remux has completed.
        # As is, the remux thread hangs until completion and client tries waiting until server reaches connection timeout.
        # I.E....this is stupid but for now works
        return view.remuxVideo(hash, fpath)
    if _type == "run-locally":
        view.openFilelocally(fpath)
        return msgHandler.createMessageJSON("success", msg)


@app.route('/api/get-favorites', methods=['GET', 'POST'])
def getAllFavoritesRoute():
    if request.method == 'POST':
        list  = db.session.query(Favorites).all()
        faves = []
        for fave in list:
            faves.append([fave.link, fave.id])

        return '{"faves_list":' + json.dumps(faves) + '}'
    else:
        msg = "Can't manage the request type..."
        return msgHandler.createMessageJSON("danger", msg)

@app.route('/api/load-favorite/<_id>', methods=['GET', 'POST'])
def loadFavorite(_id):
    if request.method == 'POST':
        try:
            ID   = int(_id)
            fave = db.session.query(Favorites).filter_by(id=ID).first()
            file_manager.setNewPathFromFavorites(fave.link)
            file_manager.loadPreviousPath()

            return '{"refresh":"true"}'
        except Exception as e:
            print(repr(e))
            msg = "Incorrect Favorites ID..."
            return msgHandler.createMessageJSON("danger", msg)
    else:
        msg = "Can't manage the request type..."
        return msgHandler.createMessageJSON("danger", msg)


@app.route('/api/manage-favorites/<_action>', methods=['GET', 'POST'])
def manageFavoritesRoute(_action):
    if request.method == 'POST':
        ACTION = _action.strip()
        path   = file_manager.getPath()

        if ACTION == "add":
            fave = Favorites(link=path)
            db.session.add(fave)
            msg  = "Added to Favorites successfully..."
        else:
            fave = db.session.query(Favorites).filter_by(link=path).first()
            db.session.delete(fave)
            msg  = "Deleted from Favorites successfully..."

        db.session.commit()
        return msgHandler.createMessageJSON("success", msg)
    else:
        msg = "Can't manage the request type..."
        return msgHandler.createMessageJSON("danger", msg)