from pandas import read_csv
import pandas as pd
import requests
import os
import discord
import string

def get_csv():
  git_url = 'https://api.github.com/repos/CSSEGISandData/COVID-19/contents/csse_covid_19_data/csse_covid_19_daily_reports'
  git_blob = requests.get(git_url).json()[-2]
  file_name = git_blob['name']
  download_url = git_blob['download_url']
  local_csv = "/app/%s" % file_name

  if not os.path.exists(local_csv):
    print("no local csv found, downloading latest")
    r = requests.get(download_url, allow_redirects=True)
    open(local_csv, 'wb').write(r.content)

  return local_csv


def sum_numbers(location):
  series = read_csv(get_csv(), header=0, parse_dates=[0], index_col=0, squeeze=True)
  last_updated = series['Last_Update'].iloc[0]
  location_query = series.loc[series['Province_location'] == location]
  if location_query.empty:
    location_query = series.loc[series['Country_Region'] == location]
    if location_query.empty:
      embed = discord.Embed(description="No results found for %s.\n\nPlease enter a valid Country name or US state" % location, color=0x428bca, type="rich")
      embed.set_author(name="CSSE at Johns Hopkins University", icon_url='https://avatars2.githubusercontent.com/u/60674295')
      return embed
  sums = state_query.sum()
  confirmed = sums['Confirmed']
  deaths = sums['Deaths']
  recovered = sums['Recovered']

  embed = discord.Embed(description="Most recent Corona stats for %s\nUpdated once a day\n(Last update was %s)" % (location, last_updated), color=0x428bca, type="rich")
  embed.set_author(name="CSSE at Johns Hopkins University", icon_url='https://avatars2.githubusercontent.com/u/60674295')
  embed.add_field(name='Confirmed Cases', value=confirmed)
  embed.add_field(name='Recovered Cases', value=recovered)
  embed.add_field(name='Deaths', value=deaths)
  embed.add_field(name='Source', value='https://github.com/CSSEGISandData/COVID-19')
  return embed

def parse_message(message):
  try:
    state = string.capwords(' '.join(message.lstrip('!corona').split()))
    if not state:
      state = 'California'
  except IndexError:
    state = 'California'
  return sum_numbers(state)