import os
from dataclasses import dataclass
from datetime import datetime, timedelta
from enum import Enum
from time import sleep
from zoneinfo import ZoneInfo

import gradio as gr
from substrateinterface import Keypair
from wandb.apis.importers import wandb
from wandb.apis.public import Run

WANDB_RUN_PATH = os.environ["WANDB_RUN_PATH"]

REFRESH_RATE = 60 * 5


@dataclass
class State:
    submissions: int
    benchmarks: int
    invalid: int
    average_benchmark_time: float


# enum
class Status(Enum):
    IN_PROGRESS = "In Progress"
    DONE = "Done"
    BROKEN = "Broken"

    def get_alt_time_text(self):
        return "∞" if self == Status.BROKEN else "N/A"


wandb_api = wandb.Api()
demo = gr.Blocks(css=".typewriter {font-family: 'JMH Typewriter', sans-serif;}")
data: dict[int, State] = {}


def is_valid_run(run: Run):
    required_config_keys = ["hotkey", "uid", "contest", "signature"]

    for key in required_config_keys:
        if key not in run.config:
            return False

    uid = run.config["uid"]
    validator_hotkey = run.config["hotkey"]
    contest_name = run.config["contest"]

    signing_message = f"{uid}:{validator_hotkey}:{contest_name}"

    try:
        return Keypair(validator_hotkey).verify(signing_message, run.config["signature"])
    except Exception:
        return False


def fetch_wandb_data():
    now = datetime.now(tz=ZoneInfo("America/New_York"))
    global data
    wandb_runs = wandb_api.runs(
        WANDB_RUN_PATH,
        filters={"config.type": "validator", "created_at": {'$gt': str(now - timedelta(days=1))}},
        order="-created_at",
    )

    for run in wandb_runs:
        if not is_valid_run(run):
            return

        submissions: set[int] = set()
        benchmarks: set[int] = set()
        invalid: list[int] = []
        average_benchmark_time = 0.0

        for key, value in run.summary.items():
            if key.startswith("_"):
                continue

            if key.startswith("average_benchmark_time"):
                average_benchmark_time = float(value)
                continue

            if key.startswith("invalid"):
                invalid = value
                continue

            if key.startswith("submissions"):
                for submission_key, submission_value in value.items():
                    submissions.add(int(submission_key))

            if key.startswith("benchmarks"):
                for benchmark_key, benchmark_value in value.items():
                    benchmarks.add(int(benchmark_key))

        source_validator_uid = run.config["uid"]
        data[source_validator_uid] = State(
            submissions=len(submissions),
            benchmarks=len(benchmarks),
            invalid=len(invalid),
            average_benchmark_time=average_benchmark_time
        )

    data = dict(sorted(data.items()))


def refresh():
    fetch_wandb_data()
    demo.clear()
    now = datetime.now(tz=ZoneInfo("America/New_York"))

    with demo:
        with gr.Accordion(f"Validator States (Last update: {now.strftime('%Y-%m-%d %I:%M:%S %p')} EST)"):
            elements: list[tuple] = []

            for source_validator_uid, state in data.items():
                status = Status.IN_PROGRESS
                if state.benchmarks + state.invalid == state.submissions:
                    status = Status.DONE
                elif not state.submissions or (not state.average_benchmark_time and state.benchmarks):
                    status = Status.BROKEN

                eta = int(state.average_benchmark_time * (state.submissions - (state.benchmarks + state.invalid)))
                time_left = timedelta(seconds=eta)
                eta_date = now + time_left
                eta_time = eta_date.strftime("%Y-%m-%d %I:%M:%S %p") if eta > 0 else status.get_alt_time_text()

                elements.append((
                    source_validator_uid,
                    state.benchmarks + state.invalid,
                    state.submissions,
                    state.invalid,
                    f"{timedelta(seconds=int(state.average_benchmark_time))}s" if state.average_benchmark_time else status.get_alt_time_text(),
                    eta_time,
                    time_left if eta > 0 else status.get_alt_time_text(),
                    status.value,
                ))

            gr.components.Dataframe(
                elements,
                headers=["UID", "Tested", "Submissions", "Invalid", "Avg. Benchmark Time", "ETA (Eastern Time)", "ETA Remaining", "Status"],
                datatype=["number", "number", "number", "number", "number", "markdown", "markdown", "markdown"],
                elem_id="state-table",
                interactive=False,
                visible=True,
            )


def main():
    refresh()
    demo.launch(prevent_thread_lock=True)

    while True:
        sleep(REFRESH_RATE)

        now = datetime.now(tz=ZoneInfo("America/New_York"))
        print(f"Refreshing States at {now.strftime('%Y-%m-%d %H:%M:%S')}")

        refresh()


if __name__ == '__main__':
    main()