"""A gradio app that renders a static leaderboard. This is used for Hugging Face Space."""
import ast
import argparse
import glob
import pickle

import gradio as gr
import numpy as np
import pandas as pd


leader_component_values = [None]
space = "   "

def make_default_md():
    leaderboard_md = f"""
# NeurIPS LLM Merging Competition Leaderboard
[Website](https://llm-merging.github.io/index) | [Starter Kit (Github)](https://github.com/llm-merging/LLM-Merging) | [Discord](https://discord.com/invite/dPBHEVnV)

"""
    return leaderboard_md

def make_arena_leaderboard_md(model_table_df):
    total_models = len(model_table_df)
    leaderboard_md = f"""
Validation Benchmark Performance is averaged.

Final performance will be assessed at the end of the competition on a hidden test set, which may or may not be correlated with Validation performance.

Higher values are better.

Total #models: **{total_models}**.{space}

"""
    return leaderboard_md


def load_leaderboard_table_csv(filename, add_hyperlink=False):
    lines = open(filename).readlines()
    heads = [v.strip() for v in lines[0].split(",")]
    rows = []
    for i in range(1, len(lines)):
        row = [v.strip() for v in lines[i].split(",")]
        for j in range(len(heads)):
            item = {}
            for h, v in zip(heads, row):
                if h == "Validation Score":
                    if v != "-":
                        v = ast.literal_eval(v)
                    else:
                        v = np.nan
                item[h] = v
            if add_hyperlink:
                item["Model"] = f'<a target="_blank" style="color: var(--link-text-color); text-decoration: underline;text-decoration-style: dotted;">{item["Model"]}</a>'
        rows.append(item)
    return rows

def get_full_table(model_table_df):
    values = []
    for i in range(len(model_table_df)):
        row = []
        ranking = i+1
        row.append(ranking)
        model_name = model_table_df.iloc[i]["Model"]
        score = model_table_df.iloc[i]["Validation Score"]
        # model display name
        row.append(model_name)
        row.append(score)

        values.append(row)
    # values.sort(key=lambda x: -x[1] if not np.isnan(x[1]) else 1e9)
    return values

key_to_category_name = {
    "full": "Overall",
}
cat_name_to_explanation = {
    "Overall": "Overall Questions",
}

def build_leaderboard_tab(leaderboard_table_file, show_plot=False):
    arena_dfs = {}
    category_elo_results = {}
    if leaderboard_table_file is None:  # Do live update
        default_md = "Loading ..."
    else:
        default_md = make_default_md()

    md_1 = gr.Markdown(default_md, elem_id="leaderboard_markdown")
    if leaderboard_table_file:
        data = load_leaderboard_table_csv(leaderboard_table_file)
        model_table_df = pd.DataFrame(data)

        with gr.Tabs() as tabs:
            arena_table_vals = get_full_table(model_table_df) 
            with gr.Tab("Full leaderboard", id=0):
                md = make_arena_leaderboard_md(model_table_df)
                leaderboard_markdown = gr.Markdown(md, elem_id="leaderboard_markdown")

                display_df = gr.Dataframe(
                    headers=[
                        "Rank",
                        "🤖 Model / Submission Name",
                        "⭐ Validation Performance",
                    ],
                    datatype=[
                        "number",
                        "markdown",
                        "number",
                    ],
                    value=arena_table_vals,
                    elem_id="arena_leaderboard_dataframe",
                    height=700,
                    column_widths=[70, 190, 110],
                    wrap=True,
                )

                gr.Markdown(
                    f"""Note: .
            """,
                    elem_id="leaderboard_markdown"
                )

                leader_component_values[:] = [default_md]

        if not show_plot:
            gr.Markdown(
                """ ## Submit your model [here]().
                """,
                elem_id="leaderboard_markdown",
            )
    else:
        pass


    with gr.Accordion(
        "📝 Citation",
        open=True,
    ):
        citation_md = """
        ### Citation
        Please cite the following paper 
    
        """
        gr.Markdown(citation_md, elem_id="leaderboard_markdown")
        gr.Markdown(acknowledgment_md)

    return [md_1]


block_css = """
#notice_markdown {
    font-size: 104%
}
#notice_markdown th {
    display: none;
}
#notice_markdown td {
    padding-top: 6px;
    padding-bottom: 6px;
}

#category_deets {
    text-align: center;
    padding: 0px;
    padding-left: 5px;
}

#leaderboard_markdown {
    font-size: 104%
}
#leaderboard_markdown td {
    padding-top: 6px;
    padding-bottom: 6px;
}

#leaderboard_header_markdown {
    font-size: 104%;
    text-align: center;
    display:block;
}

#leaderboard_dataframe td {
    line-height: 0.1em;
}

#plot-title {
    text-align: center;
    display:block;
}

#non-interactive-button {
  display: inline-block;
  padding: 10px 10px;
  background-color: #f7f7f7; /* Super light grey background */
  text-align: center;
  font-size: 26px; /* Larger text */
  border-radius: 0; /* Straight edges, no border radius */
  border: 0px solid #dcdcdc; /* A light grey border to match the background */
  user-select: none; /* The text inside the button is not selectable */
  pointer-events: none; /* The button is non-interactive */
}

footer {
    display:none !important
}
.sponsor-image-about img {
    margin: 0 20px;
    margin-top: 20px;
    height: 40px;
    max-height: 100%;
    width: auto;
    float: left;
}
"""

acknowledgment_md = """
### Acknowledgment
We thank []() for their generous [sponsorship]().

<div class="sponsor-image-about">
</div>
"""

def build_demo(leaderboard_table_file):
    text_size = gr.themes.sizes.text_lg
    theme = gr.themes.Base(text_size=text_size)
    theme.set(button_secondary_background_fill_hover="*primary_300", 
              button_secondary_background_fill_hover_dark="*primary_700")
    with gr.Blocks(
        title="LLM Merging Leaderboard",
        theme=theme,
        # theme = gr.themes.Base.load("theme.json"), # uncomment to use new cool theme
        css=block_css,
    ) as demo:
        leader_components = build_leaderboard_tab(
            leaderboard_table_file, show_plot=True
        )
    return demo


if __name__ == "__main__":
    parser = argparse.ArgumentParser()
    parser.add_argument("--share", action="store_true")
    parser.add_argument("--host", default="0.0.0.0")
    parser.add_argument("--port", type=int, default=7860)
    args = parser.parse_args()


    leaderboard_table_files = glob.glob("leaderboard_table_*.csv")
    leaderboard_table_files.sort(key=lambda x: int(x[18:-4]))
    leaderboard_table_file = leaderboard_table_files[-1]

    demo = build_demo(leaderboard_table_file)
    demo.launch(share=args.share, server_name=args.host, server_port=args.port)