import sqlite3


def migrate(db, habitlist, events):
    c = db.cursor()
    for event in events:
        text = event["note"]
        for habit in habitlist:
            tag = f"#{habit['description']}"
            if tag in text:
                print(f"register: {habit['name']} in {text} at {event['end']}")
                add_to_database(c, fetch_habit_id(c, habit), event["end"])


def fetch_habit_id(c, habit):
    c.execute("select id from Habits where uuid = ?", [(habit["uuid"])])
    return c.fetchone()[0]


# does not do:
# ranges in habits (should check for habit being range, then taking #habit(3) number into account)
# also, range trackers: multiply value by 1,000
# non-range habits but still #habit(3) number included, adding multiple?


def add_to_database(cursor, habit_id, timestamp, value=2):
    try:
        cursor.execute(
            """
            INSERT INTO
            Repetitions(id, habit, timestamp, value)
            VALUES (NULL, ?, ?, ?)
            """,
            (habit_id, timestamp, value),
        )
    except sqlite3.IntegrityError:
        # TODO better error handling
        print("fail to register: not unique")
        pass