from django.apps import AppConfig
from django.http import HttpResponse
from django.shortcuts import render
from django.shortcuts import redirect

from django.core.files import File

#from django.template.loader import render_to_string
import time
import psycopg2
import random
import mimetypes

def DB_generation(host_in,port_in,user_in,password_in,db_in):
    #db = pymysql.connect(host=host_in, port=port_in, user=user_in, passwd=password_in,db=db_in)
    db = psycopg2.connect(host=host_in, port=port_in, user=user_in, password=password_in,database=db_in)
    return db

def Launch_sql_query(sql,db):
    #sql query with 1 object returned
    cursor = db.cursor()

    try:
        # Execute the SQL command
        cursor.execute(sql)
        # Fetch all the rows in a list of lists.
        results = cursor.fetchall()
        for row in results:
            return row[0]

    except:
        print ("Error: unable to fetch data from the query:")
        print (sql)
        print("---")
    cursor.close()


def hello(request):
    return HttpResponse('<h1>Hello Simpsons!</h1>')
#<h1>href="{{ STATIC_URL }}/files/somefile</h1>)


def download_file(request):
    # fill these variables with real values
    fl_path = '/data/download/sonarr'
    filename = 'The.Boys.2019.S04E05.2160p.HDR10Plus.WEBRip.6CH.x265.HEVC-PSA.mkv'

#    fl = open(fl_path, 'r')
#    mime_type, _ = mimetypes.guess_type(fl_path)

#    response = HttpResponse(fl, content_type=mime_type)
#    response['Content-Disposition'] = "attachment; filename=%s" % filename
    some_file = open('/data/kubernetes/Backup/nextcloud/notes/2024-07-28/Course.md', "r")
    django_file = File(some_file)
    return HttpResponse("<h1>Hello download!</h1><h1><a href='{{ MEDIA_URL }}{{ django_file.relative_path }}'>{{ django_file.name }}</a></h1><h1>bye download!</h1>")
#    return response

def download_mo(request,file):
    path_to_file = os.path.realpath(file)
    response = FileResponse(open(path_to_file, 'rb'))
    file_name = file[5:]
    response['Content-Disposition'] = 'inline; filename=' + file_name
    return response

#def template(request):
#    rendered = render_to_string("my_template.html", {"foo": "bar"})
    #return HttpResponse('<h1>Hello !</h1>')

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))