import gradio as gr
import subprocess
import sys
import os
import threading
import time
import uuid
import glob
import shutil
from pathlib import Path
from apscheduler.schedulers.background import BackgroundScheduler

default_command = "bigcodebench.evaluate"
is_running = False

def generate_command(
    jsonl_file, split, subset, save_pass_rate, parallel,
    min_time_limit, max_as_limit, max_data_limit, max_stack_limit,
    check_gt_only, no_gt
):
    command = [default_command]
    
    if jsonl_file is not None:
        # Copy the uploaded file to the current directory
        local_filename = os.path.basename(jsonl_file.name)
        shutil.copy(jsonl_file.name, local_filename)
        command.extend(["--samples", local_filename])
    
    command.extend(["--split", split, "--subset", subset])
    
    if save_pass_rate:
        command.append("--save_pass_rate")
    
    if parallel is not None and parallel != 0:
        command.extend(["--parallel", str(int(parallel))])
    
    command.extend([
        "--min-time-limit", str(min_time_limit),
        "--max-as-limit", str(int(max_as_limit)),
        "--max-data-limit", str(int(max_data_limit)),
        "--max-stack-limit", str(int(max_stack_limit))
    ])
    
    if check_gt_only:
        command.append("--check-gt-only")
    
    if no_gt:
        command.append("--no-gt")
    
    return " ".join(command)


def cleanup_previous_files(jsonl_file=None):
    for file in glob.glob("*.json") + glob.glob("*.log") + glob.glob("*.jsonl"):
        try:
            if jsonl_file is not None and file == jsonl_file:
                continue
            os.remove(file)
        except Exception as e:
            print(f"Error during cleanup of {file}: {e}")

def find_result_file():
    json_files = glob.glob("*.json")
    if json_files:
        return max(json_files, key=os.path.getmtime)
    return None

def run_bigcodebench(command):
    global is_running
    is_running = True
    yield f"Executing command: {command}\n"
    
    process = subprocess.Popen(command.split(), stdout=subprocess.PIPE, stderr=subprocess.STDOUT, universal_newlines=True)
    
    for line in process.stdout:
        yield line
    
    process.wait()
    
    if process.returncode != 0:
        yield f"Error: Command exited with status {process.returncode}\n"

    is_running = False
    yield "Evaluation completed.\n"

    result_file = find_result_file()
    if result_file:
        yield f"Result file found: {result_file}\n"
    else:
        yield "No result file found.\n"

def stream_logs(command, jsonl_file=None):
    global is_running
    local_filename = None
    if jsonl_file is not None:
        local_filename = os.path.basename(jsonl_file.name)
        
    if is_running:
        yield "A command is already running. Please wait for it to finish.\n"
        return
    
    cleanup_previous_files(local_filename)
    yield "Cleaned up previous files.\n"

    log_content = []
    for log_line in run_bigcodebench(command):
        log_content.append(log_line)
        yield "".join(log_content)


with gr.Blocks() as demo:
    gr.Markdown("# BigCodeBench Evaluator")
    
    with gr.Row():
        jsonl_file = gr.File(label="Upload JSONL file", file_types=[".jsonl"])
        split = gr.Dropdown(choices=["complete", "instruct"], label="Split", value="complete")
        subset = gr.Dropdown(choices=["full", "hard"], label="Subset", value="hard")
    
    with gr.Row():
        save_pass_rate = gr.Checkbox(label="Save Pass Rate")
        parallel = gr.Number(label="Parallel (optional)", precision=0)
        min_time_limit = gr.Number(label="Min Time Limit", value=1, precision=1)
        max_as_limit = gr.Number(label="Max AS Limit", value=25*1024, precision=0)
    
    with gr.Row():
        max_data_limit = gr.Number(label="Max Data Limit", value=25*1024, precision=0)
        max_stack_limit = gr.Number(label="Max Stack Limit", value=10, precision=0)
        check_gt_only = gr.Checkbox(label="Check GT Only")
        no_gt = gr.Checkbox(label="No GT")
    
    command_output = gr.Textbox(label="Command", value=default_command, interactive=False)
    with gr.Row():
        submit_btn = gr.Button("Run Evaluation")
        download_btn = gr.DownloadButton(label="Download Result", visible=False)
    log_output = gr.Textbox(label="Execution Logs", lines=20)
    

    def update_command(*args):
        return generate_command(*args)
    
    input_components = [
        jsonl_file, split, subset, save_pass_rate, parallel,
        min_time_limit, max_as_limit, max_data_limit, max_stack_limit,
        check_gt_only, no_gt
    ]
    
    for component in input_components:
        component.change(update_command, inputs=input_components, outputs=command_output)
    
    def start_evaluation(command, jsonl_file):
        for log in stream_logs(command, jsonl_file):
            yield log, gr.update(), gr.update()
        
        result_file = find_result_file()
        if result_file:
            print(f"Result file: {result_file}")
            return (gr.update(label="Evaluation completed. Result file found."),
                    gr.Button(visible=False),
                    gr.DownloadButton(label="Download Result", value=result_file, visible=True))
        else:
            return (gr.update(label="Evaluation completed. No result file found."),
                    gr.Button("Run Evaluation", visible=True),
                    gr.DownloadButton(visible=False))

    submit_btn.click(start_evaluation,
                 inputs=[command_output, jsonl_file],
                 outputs=[log_output, submit_btn, download_btn])

if __name__ == "__main__":
    demo.queue(max_size=300).launch(server_name="0.0.0.0", server_port=7860)
    scheduler = BackgroundScheduler()
    scheduler.add_job(restart_space, "interval", hours=3) # restarted every 3h as backup in case automatic updates are not working
    scheduler.start()