from flask import render_template, url_for, redirect, flash, jsonify, g
from geruecht import app, db
from geruecht.forms import RegistrationForm
from geruecht.model import User, History
import flask_sijax
import os, sys

path = os.path.join('.', os.path.dirname(__file__), '../')
sys.path.append(path)

# The path where you want the extension to create the needed javascript files
# DON'T put any of your files in this directory, because they'll be deleted!
app.config["SIJAX_STATIC_PATH"] = os.path.join('.', os.path.dirname(__file__), 'static/js/sijax/')

# You need to point Sijax to the json2.js library if you want to support
# browsers that don't support JSON natively (like IE <= 7)
app.config["SIJAX_JSON_URI"] = '/static/js/sijax/json2.js'

flask_sijax.Sijax(app)

history = []


@flask_sijax.route(app, "/", methods=['GET', 'POST'])
@flask_sijax.route(app, "/home", methods=['GET', 'POST'])
def home():
    def add(obj_response, username, value):
        user_2 = User.query.filter_by(username=username).first()
        print(user_2)
        print(user_2.id)
        user_2.add(value)
        print(user_2)
        db.session.commit()
        print(obj_response, username, value)
        History(history=history, user=user_2, value=value)
        print(history)
        obj_response.html('div#flash', f'{user_2.username} wurde {"%.2f"%value} € hinzugefügt')
        obj_response.attr('div#flash', "class", "alert alert-success")
        obj_response.html(f'#{user_2.id}-sum', str("%.2f" % user_2.sum + " €"))

    def storner(obj_response):
        try:
            obj = history[len(history)-1]
            user_2 = User.query.filter_by(username=obj.user.username).first()
            print("{} {}".format(obj.user, obj.value))
            obj.exec()
            print(history)
            print(user_2)
            db.session.commit()
            obj_response.html('div#flash', f'{"%.2f"%obj.value} wurden von {user_2.username} storniert')
            obj_response.attr('div#flash', "class", "alert alert-success")
            obj_response.html(f'#{user_2.id}-sum', str("%.2f" % user_2.sum + " €"))

        except IndexError:
            print("history: {} is empty".format(history))
            obj_response.html('div#flash', "Der Timer ist abgelaufen!! Die Stornierliste ist leer!! Falls es was wichtiges ist, melde dich beim Finanzer oder Administrator!!")
            obj_response.attr('div#flash', "class", "alert alert-error")

    if g.sijax.is_sijax_request:
        g.sijax.register_callback('add', add)
        g.sijax.register_callback('storner', storner)
        return g.sijax.process_request()

    form = RegistrationForm()
    if form.validate_on_submit():
        user = User(username=form.username.data)
        db.session.add(user)
        db.session.commit()
        flash(f'Person wurde angelegt: {form.username.data}', 'success')
        return redirect(url_for('home'))
    return render_template('home.html', users=User.query.all(), form=form)

@flask_sijax.route(app, "/return")
def to_home():
    return home()

@flask_sijax.route(app, "/about")
def about():
    return render_template('about.html', title='about')