from pkg.dash.app_init import app
from dash.dependencies import Input, Output
from datetime import timedelta
import pytz
from datetime import datetime
from dash import html

@app.callback(
    [Output('info-tooltip', 'children')],
    [Input('clock-interval', 'n_intervals')]
)
def update_info(n):
    table = html.Table([
        html.Tr([html.Td('Pace(Xtracker)', style={'textAlign': 'center'}),
                 html.Td(calculate_tweet_pace(),style={'textAlign': 'center'})]),
    ], style={
        'width': '100%',
        'textAlign': 'left',
        'borderCollapse': 'collapse'
    })
    return [table]


def calculate_tweet_pace():
    est = pytz.timezone('US/Eastern')
    now = datetime.now(est)
    today = now.date()
    days_to_next_friday = (4 - today.weekday()) % 7
    if days_to_next_friday == 0:
        days_to_next_friday = 7
    next_friday = (now.replace(hour=12, minute=0, second=0, microsecond=0) +
                   timedelta(days=days_to_next_friday))
    if now > next_friday:
        next_friday += timedelta(days=7)
    days_to_next_friday = (next_friday - now).total_seconds() / (24 * 60 * 60)
    tweet_count = 440
    pace = (tweet_count / (7 - days_to_next_friday)) * days_to_next_friday + tweet_count
    return round(pace, 6) if pace > 0 else float(tweet_count)