from django.shortcuts import render
import random


# Create your views here.
from django.http import HttpResponse
from django.db.models import Count
from django.shortcuts import redirect
from apps.random_simpsons.models import SimpsonsData


def hello(request):
    return HttpResponse('<h1>Hello Django!</h1>')

def episode_generator(request):
    simpsons_data_object = SimpsonsData.objects.using('simpsons_db')
    
    boolean_restart = True;
    while (boolean_restart):
        maximum_number_of_seasons = simpsons_data_object.aggregate(unique_season=Count('season', distinct=True))['unique_season']
        print("maximum_number_of_seasons: "+str(maximum_number_of_seasons))
        
        random_seasons = random.randint(1, maximum_number_of_seasons)
        print("random season: " + str(random_seasons))
        
        maximum_number_of_episodes = simpsons_data_object.filter(season=random_seasons).count()
        print("maximum_number_of_episodes: "+str(maximum_number_of_episodes))
        
        random_episode = random.randint(1, maximum_number_of_episodes)    
        print("random episode: " + str(random_episode))
        
        episode_seen = simpsons_data_object.filter(season=random_seasons, episode=random_episode).values('seen')[0]['seen']
 
        if not(episode_seen):
            boolean_restart = False
        else:
            print("episode "+str(random_episode)+" from season "+str(random_seasons)+" already seen")
            
        random_url = simpsons_data_object.filter(season=random_seasons, episode=random_episode).values('url')[0]['url']
        
        #Set episode as seen
        # It will still update an already seem episode but it works and I'm lazy
        
        simpsons_data_object.filter(season=random_seasons, episode=random_episode).values('seen').update(seen=True)
   
    return redirect(str(random_url))
    #return HttpResponse('Check your terminal log!')

def simpsons(request):
    #dev settings
    #generated_db = DB_generation("192.168.88.50",32345, "django_username", "Suffrage-Moneybags-Illusion7","django")
    #production settings
    generated_db = DB_generation("django-db-svc",5432, "django_username", "Suffrage-Moneybags-Illusion7","django")

    cursor = generated_db.cursor()

    #get max number of season
    maximum_number_of_seasons = Launch_sql_query("SELECT COUNT(DISTINCT season) as result FROM episodes;",generated_db)

    boolean_restart = True;
    while (boolean_restart):

        random_seasons = random.randint(1, maximum_number_of_seasons)
        print("random season: " + str(random_seasons))


        #get max number of epiosde for this season
        maximum_number_of_episodes_query = "SELECT COUNT(url) as result FROM episodes WHERE season = " + str(random_seasons) + ";"

        maximum_number_of_episodes = Launch_sql_query(maximum_number_of_episodes_query,generated_db)

        random_episode = random.randint(1, maximum_number_of_episodes)
        print("random episode: " + str(random_episode))

        #check if the episode was already seen
        check_if_already_seen_query =  "select seen from episodes where season="+ str(random_seasons) +" and episode = "+ str(random_episode) +";"
        if not Launch_sql_query(check_if_already_seen_query, generated_db):
            boolean_restart = False
        else:
            print("episode "+str(random_episode)+" from season "+str(random_seasons)+" already seen")

        url_from_episode_season_query = "select url from episodes where season="+ str(random_seasons) +" and episode = "+ str(random_episode) +";"
        generated_url = Launch_sql_query(url_from_episode_season_query,generated_db)

        #mark as seen
        url_from_episode_season_query = "update episodes set seen = True where season=" + str(random_seasons) + " and episode = " + str(random_episode) + ";"
        Launch_sql_query(url_from_episode_season_query, generated_db)

    generated_db.commit()
    generated_db.close()
    #return HttpResponse(str(generated_url))
    return redirect(str(generated_url))