import gradio as gr
from apscheduler.schedulers.background import BackgroundScheduler
from huggingface_hub import snapshot_download
import pandas as pd

from src.about import (
    REPRODUCIBILITY_TEXT,
    INTRODUCTION_TEXT,
    ABOUT_TEXT,
    TITLE,
)
from src.display.css_html_js import custom_css, custom_js
from src.display.utils import (
    COLS,
    ST_BENCHMARK_COLS,
    AGENTIC_BENCHMARK_COLS,
    EVAL_COLS,
    AutoEvalColumn,
    fields,
)
from src.envs import API, EVAL_REQUESTS_PATH, EVAL_RESULTS_PATH, QUEUE_REPO, REPO_ID, RESULTS_REPO, TOKEN
from src.populate import get_evaluation_queue_df, get_leaderboard_df, TASK_NAME_INVERSE_MAP
from src.submission.submit import add_new_eval


def restart_space():
    API.restart_space(repo_id=REPO_ID)

### Space initialisation
try:
    print(EVAL_REQUESTS_PATH)
    snapshot_download(
        repo_id=QUEUE_REPO, local_dir=EVAL_REQUESTS_PATH, repo_type="dataset", tqdm_class=None, etag_timeout=30, token=TOKEN
    )
except Exception:
    restart_space()
try:
    print(EVAL_RESULTS_PATH)
    snapshot_download(
        repo_id=RESULTS_REPO, local_dir=EVAL_RESULTS_PATH, repo_type="dataset", tqdm_class=None, etag_timeout=30, token=TOKEN
    )
except Exception:
    restart_space()


ST_LEADERBOARD_DF = get_leaderboard_df(EVAL_RESULTS_PATH, EVAL_REQUESTS_PATH, COLS, ST_BENCHMARK_COLS)
AGENTIC_LEADERBOARD_DF = get_leaderboard_df(EVAL_RESULTS_PATH, EVAL_REQUESTS_PATH, COLS, AGENTIC_BENCHMARK_COLS)

(
    finished_eval_queue_df,
    running_eval_queue_df,
    pending_eval_queue_df,
) = get_evaluation_queue_df(EVAL_REQUESTS_PATH, EVAL_COLS)

def bold_max(s):
    is_max = s == s.max()  # Boolean Series: True for the max value(s)
    return ['font-weight: bold' if v else '' for v in is_max]

def init_leaderboard(dataframe, benchmark_type):
    if dataframe is None or dataframe.empty:
        raise ValueError("Leaderboard DataFrame is empty or None.")
    
    AutoEvalColumnSubset = [c for c in fields(AutoEvalColumn) if ((c.name=="Model") or (TASK_NAME_INVERSE_MAP.get(c.name, dict()).get("type", "")==benchmark_type))]

    # styler = dataframe.style.apply(bold_max, subset=pd.IndexSlice[:, dataframe.columns[1:]])

    return gr.components.Dataframe(
        value=dataframe,
        datatype=[c.type for c in AutoEvalColumnSubset],
        column_widths=["150px" if c.name != "Model" else "250px" for c in AutoEvalColumnSubset],
        wrap=False,
    )

black_logo_path = "src/assets/logo-icon-black.png"
white_logo_path = "src/assets/logo-icon-white.png"

demo = gr.Blocks(
    css=custom_css,
    js=custom_js,
    theme=gr.themes.Default(primary_hue=gr.themes.colors.pink),
    fill_height=True,
    fill_width=True,
)
with demo:
    gr.HTML(f"""
    <div id="page-header">
        <div id="header-container">
            <div id="left-container">
                <img id="black-logo" src="/gradio_api/file={black_logo_path}">
                <img id="white-logo" src="/gradio_api/file={white_logo_path}">
            </div>
            <div id="centre-container">
                <h1 style="margin-bottom: 0.25rem;">{TITLE}</h1>
                <p style="color:#eb088a; margin:0; font-size:1.2rem;">Explore Interactive Results &amp; Traces</p>
            </div>
            <div id="right-container">
            </div>
        </div>
    </div>
    """)
    gr.Markdown(INTRODUCTION_TEXT, elem_classes="intro-text", sanitize_html=False)

    with gr.Tabs(elem_classes=["leaderboard-table", "tab-buttons"]) as tabs:
        with gr.TabItem("Base Benchmarks", elem_classes="llm-benchmark-tab-table", id=0):
            leaderboard = init_leaderboard(ST_LEADERBOARD_DF, "base")

        with gr.TabItem("Agentic Benchmarks", elem_classes="llm-benchmark-tab-table", id=1):
            leaderboard = init_leaderboard(AGENTIC_LEADERBOARD_DF, "agentic")

        with gr.TabItem("About", elem_classes="llm-benchmark-tab-table", id=2):
            gr.Markdown(ABOUT_TEXT, elem_classes="markdown-text", sanitize_html=False)

        with gr.TabItem("Reproducibility", elem_classes="llm-benchmark-tab-table", id=3):
            gr.Markdown(REPRODUCIBILITY_TEXT, elem_classes="markdown-text", sanitize_html=False)

assets = [black_logo_path, white_logo_path]

scheduler = BackgroundScheduler()
scheduler.add_job(restart_space, "interval", seconds=1800)
scheduler.start()
demo.queue(default_concurrency_limit=40).launch(allowed_paths=assets)