import csv, psycopg2, pwinput
from tqdm import tqdm

host = input('host: ')
user = input('user: ')
password = pwinput.pwinput(prompt='password: ')
dbname = input('dbname: ')
port = int(input('port: '))

conn = psycopg2.connect(host=host, user=user, password=password, dbname=dbname, port=port)
cur = conn.cursor()

cur.execute('CREATE TABLE IF NOT EXISTS tasks (id integer NOT NULL, correct_answer character(5), media_url text, weight smallint);')
cur.execute('CREATE TABLE IF NOT EXISTS questions (task_id integer, lang character(2), text text);')
cur.execute('CREATE TABLE IF NOT EXISTS tasks_advanced (id integer NOT NULL, correct_answer character(1), media_url text, weight smallint);')
cur.execute('CREATE TABLE IF NOT EXISTS questions_advanced (task_id integer, lang character(2), text text, answer_a text, answer_b text, answer_c text);')
cur.execute('CREATE TABLE IF NOT EXISTS categories (name text, task_id integer);')

cur.execute('TRUNCATE TABLE tasks;')
cur.execute('TRUNCATE TABLE questions;')
cur.execute('TRUNCATE TABLE categories;')
cur.execute('TRUNCATE TABLE tasks_advanced;')
cur.execute('TRUNCATE TABLE questions_advanced;')

with open('pytania.csv') as file:
    reader = csv.reader(file, delimiter=';')
    for row in tqdm(reader):
        numer = row[0]
        pytanie_pl = row[1]
        odp_a_pl = row[2]
        odp_b_pl = row[3]
        odp_c_pl = row[4]
        poprawna_odp = row[5]
        media = row[6]
        kategorie = row[7]
        pjm_pytanie = row[8]
        pjm_odp_a = row[9]
        pjm_odp_b = row[10]
        pjm_odp_c = row[11]
        pytanie_en = row[12]
        odp_a_en = row[13]
        odp_b_en = row[14]
        odp_c_en = row[15]
        pytanie_de = row[16]
        odp_a_de = row[17]
        odp_b_de = row[18]
        odp_c_de = row[19]
        pytanie_ua = row[20]
        odp_a_ua = row[21]
        odp_b_ua = row[22]
        odp_c_ua = row[23]

        categories = kategorie.split(',')
        task_id = int(numer)

        if numer and pytanie_pl and poprawna_odp and kategorie and not odp_a_pl and not odp_b_pl and not odp_c_pl:
            if poprawna_odp == 'Tak':
                correct_answer = 'true'
            elif poprawna_odp == 'Nie':
                correct_answer = 'false'
            else:
                raise Exception('Error, an answer to a basic question does not equal "Tak" or "Nie", check the pytania.csv file for anomaly in poprawna_odp section')

            cur.execute('INSERT INTO tasks (id, correct_answer, media_url) VALUES (%s, %s, %s)',
                        (task_id, correct_answer, media))

            cur.execute('INSERT INTO questions(task_id, lang, text) VALUES (%s, %s, %s)',
                        (task_id, 'PL', pytanie_pl))

            if pytanie_en:
                cur.execute('INSERT INTO questions(task_id, lang, text) VALUES (%s, %s, %s)',
                            (task_id, 'EN', pytanie_en))
            if pytanie_de:
                cur.execute('INSERT INTO questions(task_id, lang, text) VALUES (%s, %s, %s)',
                            (task_id, 'DE', pytanie_de))
            if pytanie_ua:
                cur.execute('INSERT INTO questions(task_id, lang, text) VALUES (%s, %s, %s)',
                            (task_id, 'UA', pytanie_ua))

        if numer and pytanie_pl and poprawna_odp and kategorie and odp_a_pl and odp_b_pl and odp_c_pl:
            cur.execute('INSERT INTO tasks_advanced(id, correct_answer, media_url) VALUES (%s, %s, %s)',
                        (task_id, poprawna_odp, media))

            cur.execute('INSERT INTO questions_advanced(task_id, lang, text, answer_a, answer_b, answer_c) VALUES (%s, %s, %s, %s, %s, %s)',
                        (task_id, 'PL', pytanie_pl, odp_a_pl, odp_b_pl, odp_c_pl))

            if odp_a_en and odp_b_en and odp_c_en:
                cur.execute('INSERT INTO questions_advanced(task_id, lang, text, answer_a, answer_b, answer_c) VALUES (%s, %s, %s, %s, %s, %s)',
                    (task_id, 'EN', pytanie_en, odp_a_en, odp_b_en, odp_c_en))

            if odp_a_de and odp_b_de and odp_c_de:
                cur.execute('INSERT INTO questions_advanced(task_id, lang, text, answer_a, answer_b, answer_c) VALUES (%s, %s, %s, %s, %s, %s)',
                    (task_id, 'DE', pytanie_de, odp_a_de, odp_b_de, odp_c_de))

            if odp_a_ua and odp_b_ua and odp_c_ua:
                cur.execute('INSERT INTO questions_advanced(task_id, lang, text, answer_a, answer_b, answer_c) VALUES (%s, %s, %s, %s, %s, %s)',
                    (task_id, 'UA', pytanie_ua, odp_a_ua, odp_b_ua, odp_c_ua))

        for category in categories:
            cur.execute('INSERT INTO categories(name, task_id) VALUES (%s, %s)',
                        (category, task_id))


with open('punkty.csv') as file:
    reader = csv.reader(file, delimiter=';')
    for row in tqdm(reader):
        numer = int(row[0])
        punkty = int(row[1])
        cur.execute('UPDATE tasks SET weight=%s WHERE id=%s', (punkty, numer))
        cur.execute('UPDATE tasks_advanced SET weight=%s WHERE id=%s', (punkty, numer))


cur.execute('SELECT COUNT(id) FROM tasks')
print(f'Imported {cur.fetchone()[0]} tasks')
cur.execute('SELECT COUNT(*) FROM questions')
print(f'Imported {cur.fetchone()[0]} questions')
cur.execute('SELECT COUNT(id) FROM tasks_advanced')
print(f'Imported {cur.fetchone()[0]} tasks_advanced')
cur.execute('SELECT COUNT(*) FROM questions_advanced')
print(f'Imported {cur.fetchone()[0]} questions_advanced')
cur.execute('SELECT COUNT(*) FROM categories')
print(f'Imported {cur.fetchone()[0]} categories')

conn.commit()
cur.close()
conn.close()