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import gradio as gr

from data import df, game_df
from gradio_function import *
from css import css

df = (
    df
    .join(game_df, on='game_pk').with_columns(pl.col('game_date').str.to_datetime())
    .rename({
        'name': 'Name',
        'release_speed': 'Velocity',
    })
)


def get_pitcher_leaderboards(datetime):
    _df = df.filter(pl.col('game_date') == datetime)
    whiffs = (
        _df
        .group_by(['pitcher'])
        .agg(
            pl.col('whiff').sum().alias('Whiffs'),
            pl.col('Name').first()
        )
        .select('Name', 'Whiffs')
        .sort('Whiffs', descending=True)
        [:10]
    )
    velos = (
        _df
        .select('Name', 'Velocity')
        .drop_nulls()
        .sort(['Velocity', 'Name'], descending=[True, False])
        [:10]
    )
    
    return f'<center><h1>Daily Leaderboard<h1><h2>{datetime.strftime("%B %d, %Y")}</h2></center>', whiffs, velos
    
def create_daily_pitcher_leaderboard():
    with gr.Blocks(
        css=css
    ) as demo:
        date_picker = gr.DateTime(value=df['game_date'].max().strftime('%Y-%m-%d'), include_time=False, type='datetime', label='Date')
        search_btn = gr.Button('Search')

        header = gr.HTML('<center><h1>Daily Leaderboard<h2><br></center>')
        with gr.Row():
            whiffs = gr.Dataframe(pl.DataFrame({'Name': [], 'Whiffs': []}), label='Whiffs')
            velos = gr.Dataframe(pl.DataFrame({'Name': [], 'Velocity': []}), label='Velocity')

        search_btn.click(get_pitcher_leaderboards, date_picker, [header, whiffs, velos])
        
    return demo

demo = create_daily_pitcher_leaderboard()

if __name__ == '__main__':
    # demo = create_daily_pitcher_leaderboard()
    demo.launch()