from app import app
from config import Config
from flask import send_from_directory, redirect, url_for, render_template, send_file
import json
import subprocess
import time
import os
from .spotify_explicit import main


path = os.path.join('app/spotify_explicit/recent.json')

def check_and_update():
    try:
        with open(path) as file:
            file = json.load(file)
    except (FileNotFoundError, json.JSONDecodeError):
        file = {'last_generated' : -1}
    
    if file['last_generated'] == -1:
        return True
    else:
        dif = time.time() - file['last_generated']
        # print('dif', dif)
        if dif >= Config.SPOTIFY_CACHE_TIME:
            return True
        else:
            ideal = file['last_generated'] + Config.SPOTIFY_CACHE_TIME
            # print(f'Waiting another {int(ideal - time.time())} seconds')
    return False
    
@app.route('/spotify/')
def spotify():
    if check_and_update():
        print('Graph out of date - running update command')
        with open(path, 'w+') as file:
            file = json.dump({'last_generated' : int(time.time())}, file)
        main.main()
    return send_file('spotify_explicit/export/export.png')