# movies.py
# Demonstrates tuples through a movie score database

movie_scores = [
    ("Aquaman", 7.4),
    ("Mission: Impossible - Fallout", 7.9),
    ("Spider-Man: Into the Spider-Verse", 8.7),
    ("Mary Poppins Returns", 7.2),
    ("Avengers: Infinity War", 8.5),
    ("The Greatest Showman", 7.6),
    ("Black Panther", 7.4),
    ("Ready Player One", 7.5),
    ("Ralph Breaks the Internet", 7.3),
    ("Incredibles 2", 7.8)]


def print_movies(movie_db):
    """
    Given a movie database, it prints the movie and its corresponding score.
    :param movie_db: (list) a list of tuples that correspond to movies (str) and critic scores (float)
    :return: None
    """
    for movie_pair in movie_db:
        (movie, score) = movie_pair
        print(movie + "\t" + str(score))


def print_movies2(movie_db):
    """
    Given a movie database, it prints the movie and its corresponding score.
    Alternative implementation 2.
    :param movie_db: (list) a list of tuples that correspond to movies (str) and critic scores (float)
    :return: None
    """
    for movie_pair in movie_db:
        print(movie_pair[0] + "\t" + str(movie_pair[1]))


def print_movies3(movie_db):
    """
    Given a movie database, it prints the movie and its corresponding score.
    Alternative implementation 3.
    :param movie_db: (list) a list of tuples that correspond to movies (str) and critic scores (float)
    :return: None
    """
    for (movie, score) in movie_db:
        print(movie + "\t" + str(score))


def get_movie_score(movie_db, movie_title):
    """
    Given a movie database and a movie title it returns its corresponding critic score, if it exists.
    :param movie_db: (list) a list of tuples that correspond to movies (str) and scores (float)
    :param movie_title: (str) the title of the movie to search for its critic score
    :return: (float) the critic score if found, or -1.0 if movie does not exist in database.
    """
    for (movie, score) in movie_db:
        if movie == movie_title:
            return score

    return -1.0


def get_highest_rated_movie(movie_db):
    """
    Returns the movie with the highest critic score in the provided database
    :param movie_db: (list) a list of tuples that correspond to movies (str) and scores (float)
    :return: (str) the movie with the highest critic score.
    """
    max_score = -1
    max_movie = ""

    for (movie, score) in movie_db:
        if score > max_score:
            max_score = score
            max_movie = movie

    return max_movie


def get_movies_above_threshold(movie_db, threshold):
    """
    Given a database and a threshold critic score, it returns a list of movies with scores above the threshold
    :param movie_db: (list) a list of tuples that correspond to movies (str) and scores (float)
    :param threshold: (num) the threshold critic score to filter movies by.
    :return: (list) a list of movie titles that have critic scores higher than the threshold
    """
    movies_above = []

    for (movie, score) in movie_db:
        if score >= threshold:
            movies_above.append(movie)

    return movies_above