import os
import sys
import gradio as gr
from loguru import logger
from huggingface_hub import HfApi, whoami

from yourbench_space.config import generate_base_config, save_config
from yourbench_space.utils import (
    CONFIG_PATH,
    UPLOAD_DIRECTORY,
    BASE_API_URLS,
    AVAILABLE_MODELS,
    DEFAULT_MODEL,
    SubprocessManager,
    save_files,
)

UPLOAD_DIRECTORY.mkdir(parents=True, exist_ok=True)

logger.remove()
logger.add(sys.stderr, level="INFO")

command = ["uv", "run", "yourbench", f"--config={CONFIG_PATH}"]
manager = SubprocessManager(command)


def prepare_task(oauth_token: gr.OAuthToken | None, model_token: str):
    new_env = os.environ.copy()
    # Override env token, when running in gradio space
    if oauth_token:
        new_env["HF_TOKEN"] = oauth_token.token
    new_env["MODEL_API_KEY"] = model_token
    manager.start_process(custom_env=new_env)


def update_hf_org_dropdown(oauth_token: gr.OAuthToken | None):
    if oauth_token is None:
        print(
            "Please, deploy this on Spaces and log in to view the list of available organizations"
        )
        return gr.Dropdown([], label="Organization")

    try:
        user_info = whoami(oauth_token.token)
        org_names = [org["name"] for org in user_info.get("orgs", [])]
        user_name = user_info.get("name", "Unknown User")
        org_names.insert(0, user_name)
        return gr.Dropdown(org_names, value=user_name, label="Organization")
    
    except Exception as e:
        print(f"Error retrieving user info: {e}")
        return gr.Dropdown([], label="Organization") 


config_output = gr.Code(label="Generated Config", language="yaml")
model_name = gr.Dropdown(
    label="Model Name",
    value=DEFAULT_MODEL,
    choices=AVAILABLE_MODELS,
    allow_custom_value=True,
)
base_url = gr.Textbox(
    label="Model API Base URL",
    value=BASE_API_URLS["huggingface"],
    info="Use a custom API base URL for Hugging Face Inference Endpoints",
)

with gr.Blocks() as app:
    gr.Markdown("## YourBench Configuration")
    with gr.Row():
        login_btn = gr.LoginButton()

    with gr.Tab("Configuration"):
        with gr.Accordion("Hugging Face"):
            hf_org_dropdown = gr.Dropdown(
                list(),
                label="Organization",
                allow_custom_value=True,
            )
            app.load(update_hf_org_dropdown, inputs=None, outputs=hf_org_dropdown)

            hf_dataset_prefix = gr.Textbox(
                label="Dataset Prefix",
                value="yourbench",
                info="Prefix applied to all datasets",
            )
            private_dataset = gr.Checkbox(
                label="Private Dataset",
                value=True,
                info="Create private datasets (recommended by default)",
            )

        with gr.Accordion("Model"):
            model_name.render()

            provider = gr.Radio(
                ["huggingface", "openrouter", "openai"],
                value="huggingface",
                label="Inference Provider",
            )

            def set_base_url(provider):
                return gr.Textbox(
                    label="Model API Base URL", value=BASE_API_URLS.get(provider, "")
                )

            provider.change(fn=set_base_url, inputs=provider, outputs=base_url)
            model_api_key = gr.Textbox(label="Model API Key", type="password")
            base_url.render()
            max_concurrent_requests = gr.Radio(
                [8, 16, 32], value=16, label="Max Concurrent Requests"
            )

        preview_button = gr.Button("Generate New Config")
        preview_button.click(
            generate_base_config,
            inputs=[
                hf_org_dropdown,
                hf_dataset_prefix,
                model_name,
                provider,
                base_url,
                model_api_key,
                max_concurrent_requests,
                private_dataset,
            ],
            outputs=config_output,
        )

    with gr.Tab("Raw Configuration"):
        config_output.render()
        config_output.change(
            fn=save_config,
            inputs=[config_output],
            outputs=[gr.Textbox(label="Save Status")],
        )

    with gr.Tab("Files"):
        file_input = gr.File(
            label="Upload text files",
            file_count="multiple",
            file_types=[".txt", ".md", ".html"],
        )
        output = gr.Textbox(label="Log")
        file_input.upload(save_files, file_input, output)

    with gr.Tab("Run Generation"):
        log_output = gr.Code(
            label="Log Output", language=None, lines=20, interactive=False
        )
        log_timer = gr.Timer(0.05, active=True)
        log_timer.tick(manager.read_and_get_output, outputs=log_output)

        with gr.Row():
            process_status = gr.Checkbox(label="Process Status", interactive=False)
            status_timer = gr.Timer(0.05, active=True)
            status_timer.tick(manager.is_running, outputs=process_status)

        with gr.Row():
            start_button = gr.Button("Start Task")
            start_button.click(prepare_task, inputs=[model_api_key])

            stop_button = gr.Button("Stop Task")
            stop_button.click(manager.stop_process)

            kill_button = gr.Button("Kill Task")
            kill_button.click(manager.kill_process)

app.launch()