import json

with open('q2_1_crawler\movies.json', 'r', encoding='utf-8') as f:
    movies = json.load(f)

if movies:
    sorted_by_rating = sorted(movies, key=lambda x: x['rating'])
    lowest_movie = sorted_by_rating[0]
    highest_movie = sorted_by_rating[-1]
    
    print("2.1 最高评分电影:")
    print(f"电影名: {highest_movie['title']}, 评分: {highest_movie['rating']}")
    print("\n最低评分电影:")
    print(f"电影名: {lowest_movie['title']}, 评分: {lowest_movie['rating']}")

genre_counts = {}
for movie in movies:
    genre = movie['genre']
    genre_counts[genre] = genre_counts.get(genre, 0) + 1

print("\n2.2 各类型电影数量字典:")
print(genre_counts)

director_counts = {}
for movie in movies:
    director = movie['director']
    director_counts[director] = director_counts.get(director, 0) + 1

print("\n2.3 各导演电影数量字典:")
print(director_counts)

count_2020_later = 0
for movie in movies:
    if movie['year'] >= 2020:
        count_2020_later += 1

print(f"\n2.4 2020年（含）以后上映的电影数量: {count_2020_later} 部")