app.py

from http.cookies import SimpleCookie
import os
import gradio as gr
import pandas as pd
from apscheduler.schedulers.background import BackgroundScheduler
from gradio.themes import Base, colors, sizes
from gradio_leaderboard import Leaderboard, SelectColumns
from huggingface_hub import whoami
from fastapi import Response

from src.about import CITATION_BUTTON_LABEL, CITATION_BUTTON_TEXT, EVALUATION_QUEUE_TEXT, INTRODUCTION_TEXT, TITLE
from src.datamodel.data import F1Data
from src.display.css_html_js import custom_css
from src.display.formatting import styled_error
from src.display.utils import AutoEvalColumn, ModelType, fields
from src.envs import API, CODE_PROBLEMS_REPO, REPO_ID, RESULTS_REPO, SUBMISSIONS_REPO
from src.logger import get_logger
from src.populate import get_leaderboard_df
from src.submission.submit import add_new_solutions, fetch_user_info
from src.validation.validate import MAX_INPUT_LENGTH, MIN_INPUT_LENGTH, is_submission_file_valid, is_valid

logger = get_logger(__name__)

ENSURE_ALL_PRESENT = False  # TODO: Switch to True.
SPLIT = "warmup"  # TODO temp

lbdb = F1Data(
    cp_ds_name=CODE_PROBLEMS_REPO,
    sub_ds_name=SUBMISSIONS_REPO,
    res_ds_name=RESULTS_REPO,
    split=SPLIT,
)

leaderboard_df = None

logger.info("Initialized LBDB")


def restart_space():
    logger.info("Restarting space")
    API.restart_space(repo_id=REPO_ID)


def refresh_leaderboard_data():
    """Refresh the leaderboard data from the latest results"""
    global leaderboard_df
    try:
        logger.info("Loading leaderboard data...")
        new_leaderboard_df = get_leaderboard_df(RESULTS_REPO)

        if new_leaderboard_df is not None:
            logger.info("Leaderboard data refreshed successfully")
            leaderboard_df = new_leaderboard_df
        else:
            logger.warning("No new leaderboard data found")
            return None
    except Exception as e:
        logger.error(f"Error refreshing leaderboard data: {e}")
        return None


def init_leaderboard(dataframe: pd.DataFrame):

    if dataframe is None:
        raise ValueError("Leaderboard DataFrame is None.")

    lb = Leaderboard(
        value=dataframe,
        datatype=[c.type for c in fields(AutoEvalColumn)],
        select_columns=SelectColumns(
            default_selection=[c.name for c in fields(AutoEvalColumn) if c.displayed_by_default],
            cant_deselect=[c.name for c in fields(AutoEvalColumn) if c.never_hidden],
            label="Select Columns to Display:",
        ),
        search_columns=[AutoEvalColumn.system.name, AutoEvalColumn.system_type.name],
        hide_columns=[c.name for c in fields(AutoEvalColumn) if c.hidden],
        bool_checkboxgroup_label="Hide models",
        interactive=False,
    )
    lb.col_count = (1, "fixed")
    return lb


def add_solution_cbk(
    system_name: str,
    org: str,
    sys_type: str,
    submission_path: str,
    profile: gr.OAuthProfile | None,
    token: gr.OAuthToken | None,
):
    logger.info("Fetching user details for submission")
    logger.info("PROFILE %s", profile)
    logger.info("TOKEN %s", token)

    if profile is None or token is None:
        return styled_error("Please sign in with Hugging Face before submitting.")

    # Display handle and display name (may change over time)
    logger.info(f"User handle: {profile.username}")
    display_name = profile.name or profile.username
    logger.info(f"Display name: {display_name}")

    # Stable account id
    user_info = fetch_user_info(token)
    logger.info("Logged in user info: %s", user_info)
    stable_id = user_info.get("id") if user_info else None
    logger.info(f"User stable ID: {stable_id}")

    # TODO: find a way to invalidate login status if token is outdated
    # if not stable_id:
    #     return styled_error("Could not retrieve your stable user ID. Please try signing in again.")
    # user_id = stable_id

    if not profile.username:
        return styled_error("Could not retrieve username. Please try signing in again.")
    # We rely on underscores as separators in submission ID, replace it with "-".
    user_id = profile.username.replace("_", "-")

    try:
        # Validating the submission file.
        if not submission_path:
            return styled_error("Please upload JSONL submission file.")

        if not is_submission_file_valid(
            submission_path,
            is_warmup_dataset=(SPLIT == "warmup"),
        ):
            return styled_error("Failed to read JSONL submission file. Please try again later.")

        # Validating all user-supplied arguments.
        for val, val_name in [
            (system_name, "System name"),
            (org, "Organisation name"),
            (sys_type, "System type"),
        ]:
            if len(val) == 0:
                return styled_error(f"Please fill in the '{val_name}' field.")

            if not is_valid(val):
                return styled_error(
                    f"{val_name} is invalid! Must only contain characters [a-zA-Z0-9], spaces, "
                    + "or the special characters '-' and '.', and be of length between "
                    + f"{MIN_INPUT_LENGTH} and {MAX_INPUT_LENGTH}."
                )
    except Exception:
        logger.warning("Failed to process user submission", exc_info=True)
        return styled_error("An error occurred. Please try again later.")  # Intentionally vague.

    return add_new_solutions(
        lbdb,
        profile.username,
        user_id,
        system_name,
        org,
        sys_type,
        submission_path,
        is_warmup_dataset=(SPLIT == "warmup"),
        ensure_all_present=ENSURE_ALL_PRESENT,
    )


# def check_valid_token(oauth_token: gr.OAuthToken | None):
#     logger.info("CHECK TOKEN %s", oauth_token)
#     if oauth_token is None:
#         logger.info("CHECK: NO TOKEN")
#         return gr.update(value="")
#     try:
#         whoami(oauth_token.token)
#         logger.info("CHECK: VALID TOKEN")
#         return gr.update(value="")
#     except Exception:
#         logger.info("CHECK: TOKEN HAS EXPIRED")
#         return gr.update(value='<script>window.location.href = "/logout";</script>')


# def gate_submission_by_prof(profile: gr.OAuthProfile | None):
#     if not profile:
#         return gr.update(visible=True), gr.update(visible=False)
#     return gr.update(visible=False), gr.update(visible=True)


def gate_submission(oauth_token: gr.OAuthToken | None, request: gr.Request):
    """
    @brief Toggles the visibility of the login box and submission panel based on the user's login status.
    """
    # Log cookie sizes
    cookies = request.headers.get("cookie", "")
    cookie_obj = SimpleCookie()
    try:
        cookie_obj.load(cookies)
        for key in ["spaces-jwt", "session"]:
            if key in cookie_obj:
                cookie_size = len(cookie_obj[key].OutputString().encode('utf-8'))
                logger.info(f"Cookie {key} size: {cookie_size} bytes")
    except Exception as e:
        logger.error(f"Error parsing cookies: {str(e)}")

    logger.info("GATE TOKEN %s", oauth_token)
    if oauth_token is None:
        logger.info("GATE: NO TOKEN")
        return gr.update(visible=True), gr.update(visible=False), gr.update(visible=False)
    try:
        token_size = len(oauth_token.token.encode('utf-8'))
        logger.info(f"Token size: {token_size} bytes")
        whoami(oauth_token.token)
        logger.info("GATE: TOKEN IS VALID")
        return gr.update(visible=False), gr.update(visible=False), gr.update(visible=True)
    except Exception:
        logger.info("GATE: TOKEN HAS EXPIRED")
        return gr.update(visible=False), gr.update(visible=True), gr.update(visible=False)

# Custom route to force clear HttpOnly cookies
def clear_cookies():
    response = Response()
    response.headers["Set-Cookie"] = [
        "spaces-jwt=; Path=/; Expires=Thu, 01 Jan 1970 00:00:00 GMT; Domain=" + os.environ.get("SPACE_HOST", ""),
        "session=; Path=/; Expires=Thu, 01 Jan 1970 00:00:00 GMT; Domain=" + os.environ.get("SPACE_HOST", "")
    ]
    response.headers["Location"] = "/?t=" + str(int(os.times().elapsed * 1000))
    response.status_code = 302
    return response


def get_theme():
    cyber_theme = Base(
        # neon-ish accents driven by hues (affects tabs, primary buttons, sliders, etc.)
        primary_hue=colors.cyan,  # selected tab / primary controls
        secondary_hue=colors.pink,  # secondary accents
        neutral_hue=colors.gray,  # keep neutrals subtle
        # # techno font
        # font=gr.themes.GoogleFont("Orbitron"),
        # font_mono=gr.themes.GoogleFont("JetBrains Mono"),
        text_size=sizes.text_md,  # keep defaults
        spacing_size=sizes.spacing_md,
        radius_size=sizes.radius_md,
    ).set(
        # keep overrides minimal—dark canvas; let hues do the rest
        body_background_fill="#0b0f14",  # deep blue-black
        background_fill_primary="#0b0f14",  # panels
        background_fill_secondary="#0e141a",  # subtle contrast
    )
    return cyber_theme

# JavaScript to clear cookies and reload
JS_LOGOUT = """
<a href="#" onclick="
  var domain = window.location.hostname;
  document.cookie = 'spaces-jwt=; Expires=Thu, 01 Jan 1970 00:00:00 GMT; Domain=' + domain;
  document.cookie = 'session=; Expires=Thu, 01 Jan 1970 00:00:00 GMT; Domain=' + domain;
  console.log('Cookies cleared: spaces-jwt, session on domain: ' + domain);
  window.location.href='/?t='+new Date().getTime();
  return false;
" style="display: inline-block; padding: 10px; background: #ff4d4f; color: white; text-decoration: none; border-radius: 5px;">Manual Logout</a>
"""

blocks = gr.Blocks(css=custom_css, theme=get_theme())
with blocks:

    gr.Image(
        "assets/banner.png",
        interactive=False,
        show_label=False,
        show_download_button=False,
        container=False,
        elem_classes=["banner_image"],
    )

    gr.HTML(
        """
        <style>
            body {
                background-color: #121212;
                color: white;
                margin: 0;  /* Reset browser default */
            }

            /* Outer container margin & spacing */
            .gradio-container {
                max-width: 1100px;
                margin: 2rem auto;        /* top/bottom spacing + horizontal centering */
                padding: 2rem;            /* inner spacing */
                background-color: rgba(0, 0, 0, 0.6);  /* optional: semi-transparent panel */
                border-radius: 12px;      /* rounded corners */
            }
        </style>
        """
    )

    gr.HTML(TITLE)
    gr.Markdown(INTRODUCTION_TEXT, elem_classes="markdown-text")

    with gr.Tabs(elem_classes="tab-buttons") as tabs:
        with gr.TabItem("🏅 Leaderboard", elem_id="formulaone-leaderboard-tab-table", id=0):
            refresh_leaderboard_data()  # updates leaderboard_df
            assert leaderboard_df is not None
            leaderboard_component = init_leaderboard(leaderboard_df)

        with gr.TabItem("🚀 Submit Solutions", elem_id="llm-benchmark-tab-table", id=2):
            logger.info("Tab submission")
            with gr.Column():
                with gr.Row():
                    gr.Markdown(EVALUATION_QUEUE_TEXT, elem_classes="markdown-text")

            with gr.Row():
                gr.Markdown("# ✉️✨ Submit your solutions", elem_classes="markdown-text")

            # Shown when logged OUT
            login_box = gr.Group(visible=True)
            with login_box:
                gr.Markdown("Please sign in to continue:")
                gr.LoginButton()

            # Shown when login token is EXPIRED
            logout_box = gr.Group(visible=False)
            with logout_box:
                gr.Markdown("Your session has already EXPIRED. Please sign in again")
                gr.LoginButton()
#                gr.Button("Manual Logout", link="/logout")
                # gr.HTML(JS_LOGOUT)
                # Manual logout link to server-side /logout
                # gr.HTML('<a href="/logout?redirect=/" style="display: inline-block; padding: 10px; background: #ff4d4f; color: white; text-decoration: none; border-radius: 5px;">Logout (via /logout)</a>')

                # Custom clear cookies link
                # gr.HTML('<a href="/clear-cookies" style="display: inline-block; padding: 10px; background: #ff6666; color: white; text-decoration: none; border-radius: 5px; margin-left: 10px;">Clear Cookies</a>')


            # Shown when logged IN
            submit_panel = gr.Group(visible=False)
            with submit_panel:
                with gr.Row():
                    with gr.Column():
                        system_name_textbox = gr.Textbox(label=AutoEvalColumn.system.name)
                        org_textbox = gr.Textbox(label=AutoEvalColumn.organization.name)
                        sys_type_dropdown = gr.Dropdown(
                            choices=[t.to_str() for t in ModelType],
                            label=AutoEvalColumn.system_type.name,
                            multiselect=False,
                            value=ModelType.LLM.to_str(),
                            interactive=True,
                        )

                        submission_file = gr.File(label="JSONL solutions file", file_types=[".jsonl"])

                logger.info("Submit button")
                submit_button = gr.Button("Submit")
                # gr.LoginButton()
                submission_result = gr.Markdown()

                submit_button.click(
                    add_solution_cbk,
                    [
                        system_name_textbox,
                        org_textbox,
                        sys_type_dropdown,
                        submission_file,
                    ],
                    submission_result,
                )

    with gr.Row():
        logger.info("Citation")
        with gr.Accordion(CITATION_BUTTON_LABEL, open=False):
            gr.Code(
                value=CITATION_BUTTON_TEXT.strip(),
                elem_id="citation-block",
            )

    # Trigger reload if token is expired
    # blocks.load(check_valid_token, outputs=reload_html)

    # UI refresh triggers latest data swap.
    # The work already happened in the background - refresh_leaderboard_data().
    blocks.load(lambda: leaderboard_df, inputs=[], outputs=[leaderboard_component])

    # On initial load (and after OAuth redirect), toggle the UI based on login status.
    # blocks.load(gate_submission, inputs=None, outputs=[login_box, submit_panel])
    blocks.load(gate_submission, inputs=None, outputs=[login_box, logout_box, submit_panel])

# blocks.app.add_api_route("/clear-cookies", clear_cookies, methods=["GET"])


logger.info("Scheduler")
scheduler = BackgroundScheduler()
scheduler.add_job(restart_space, "interval", seconds=1800)
scheduler.add_job(refresh_leaderboard_data, "interval", seconds=120)
scheduler.start()
logger.info("Launch")
blocks.queue(default_concurrency_limit=40).launch()
logger.info("Done")