"""
MCP tool definitions for the QED Math Environment.


Tools are registered on the environment's FastMCP instance inside
QEDMathEnvironment.__init__:
- get_problem(): Return current problem and metadata; reference solution is
    only included for answer-mode evaluation.
- submit_proof(proof): Grade proof via MathProofRubric and return score/reward.
- get_grading_guidelines(): Return the rubric for the current problem.
"""

from __future__ import annotations

from typing import TYPE_CHECKING

from fastmcp import FastMCP

if TYPE_CHECKING:
    from .qed_math_environment import QEDMathEnvironment


def register_mcp_tools(mcp: FastMCP, env: "QEDMathEnvironment") -> None:
    """Register QED-Math MCP tools on a FastMCP instance."""

    @mcp.tool
    def get_problem() -> dict:
        """Get the current problem statement and associated metadata."""
        return env.get_problem_payload()

    @mcp.tool
    async def submit_proof(proof: str) -> dict:
        """Submit a proof attempt and return grading output."""
        return await env.submit_proof_payload(proof)

    @mcp.tool
    def get_grading_guidelines() -> dict:
        """Get grading rubric text for the current problem."""
        return env.get_grading_guidelines_payload()

    @mcp.tool
    def list_task_ids() -> dict:
        """Return ordered task identifiers available in the loaded dataset."""
        return env.list_task_ids_payload()