#!/usr/bin/python3
import sqlite3
import logging as log

database = "bbbbs.sqlite"
log.basicConfig(level=log.INFO, encoding="utf-8") # set level to log.DEBUG when debugging

try:
    sqliteConnection = sqlite3.connect(database)
    cursor = sqliteConnection.cursor()

    cursor.execute('select sqlite_version();')
    log.debug("Sqlite version is %s" % cursor.fetchall())
    log.info("connected to %s" % database)
except sqlite3.Error as error:
    log.critical('Error occured: ', error)


def create_transmissions_table():
    # timeslots is stored as a 10 bit number with each bit representing a specific timeslot.
    scheme = """
    CREATE TABLE IF NOT EXISTS transmissions (
    date TEXT NOT NULL,
    author TEXT NOT NULL,
    title TEXT NOT NULL,
    tranmission_text TEXT NOT NULL,
    timeslots INT NOT NULL,
    transmission_order INT NOT NULL,
    play BOOLEAN NOT NULL
    );
    """
    if cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='transmissions';").fetchall() == []:
        try:
            cursor.execute(scheme)
            log.info("Successfully created database transmissions")
        except sqlite3.Error as error:
            log.critical("Couldn't create transmissions table: ", error)
            exit(1)
    else:
        log.debug('DB transmissions exists, not creating.')

def create_timeslots_table():
    scheme = """
    CREATE TABLE IF NOT EXISTS timeslots (
    timeslot INT NOT NULL,
    time TEXT NOT NULL,
    active BOOLEAN NOT NULL
    );
    """
    if cursor.execute("SELECT name FROM sqlite_master WHERE type='table' AND name='timeslots';").fetchall() == []:
        try:
            cursor.execute(scheme)
            log.info("Successfully created database transmissions")
        except sqlite3.Error as error:
            log.critical("Couldn't create timeslots table: ", error)
            exit(1)

create_transmissions_table()
create_timeslots_table()
sqliteConnection.close()