from __future__ import annotations

import gradio as gr

from agent.runner import (
    export_agent_traces,
    export_agent_traces_hf_dataset,
    run_agent_loop,
    run_paper_to_code_loop,
    save_agent_trace,
)
from ui.progress import CLICK_PROGRESS


def build_agent_tab() -> None:
    gr.Markdown("Agent mode drafts a local research -> plan -> implement -> verify trace.")
    task = gr.Textbox(label="Agent task", lines=5, placeholder="Example: improve field-note export")
    plan = gr.Button("Draft agent trace", variant="primary")
    gr.Markdown("### Paper-to-code trace")
    paper_title = gr.Textbox(label="Paper title", placeholder="Optional paper or technique name")
    paper_notes = gr.Textbox(
        label="Paper notes",
        lines=5,
        placeholder="Paste key claims or abstract",
    )
    paper_goal = gr.Textbox(
        label="Implementation goal",
        lines=3,
        placeholder="Example: reproduce the evaluation loop locally",
    )
    paper_plan = gr.Button("Draft paper-to-code trace")
    export = gr.Button("Export traces")
    export_dataset = gr.Button("Export traces dataset")
    output = gr.Textbox(label="Plan", lines=10)
    trace = gr.JSON(label="Trace")

    def draft_plan(task_text: str) -> tuple[str, dict]:
        session = run_agent_loop(task_text)
        save_agent_trace(session)
        return session.as_markdown(), session.as_dict()

    def draft_paper_plan(title: str, notes: str, goal: str) -> tuple[str, dict]:
        session = run_paper_to_code_loop(title, notes, goal)
        save_agent_trace(session)
        return session.as_markdown(), session.as_dict()

    def export_trace_file() -> dict:
        path = export_agent_traces()
        return {"exported_to": str(path)}

    def export_trace_dataset() -> dict:
        path = export_agent_traces_hf_dataset()
        return {"exported_to": str(path)}

    plan.click(draft_plan, task, [output, trace], show_progress=CLICK_PROGRESS)
    paper_plan.click(
        draft_paper_plan,
        [paper_title, paper_notes, paper_goal],
        [output, trace],
        show_progress=CLICK_PROGRESS,
    )
    export.click(export_trace_file, outputs=trace, show_progress=CLICK_PROGRESS)
    export_dataset.click(
        export_trace_dataset,
        outputs=trace,
        show_progress=CLICK_PROGRESS,
    )