"""Exercise MCP through the durable runner; the fake rejects any submit request."""

import pytest
from fastapi import HTTPException

from app.models import Alpha, SelfCorrelation
from tests.conftest import alpha
from tests.test_mcp import credentials, invoke
from tests.test_mcp import mcp_app as mcp_app
from tests.test_submission import FIELDS, Description, setup


@pytest.mark.parametrize("kind", ["REGULAR", "SUPER"])
@pytest.mark.parametrize("result", ["PASS", "FAIL"])
@pytest.mark.parametrize("limited", [False, True])
async def test_mcp_check_never_submits(mcp_app, kind, result, limited, monkeypatch):
    from tests import test_submission

    checks = [{"name": "PROD_CORRELATION", "result": result}]
    if limited:
        checks.append({"name": "REGULAR_SUBMISSION", "result": "FAIL"})
    monkeypatch.setattr(test_submission, "CHECKS", checks)
    sections = ["regular"] if kind == "REGULAR" else ["selection", "combo"]
    platform = await setup(mcp_app, alpha(type=kind, **{s: {"code": "rank(close)"} for s in sections}))
    platform.pending = 1
    principal, _ = await credentials(mcp_app)
    caps = await invoke(mcp_app, principal, "get_research_capabilities")
    assert caps["submission_check"]["production_submission"] is False
    state = await invoke(mcp_app, principal, "get_submission_check", {"alpha_id": "alpha1"})
    assert platform.calls == []
    args = {"alpha_id": "alpha1", "snapshot": state["snapshot"],
            "descriptions": dict.fromkeys(sections, Description(**FIELDS).text())}
    started = await invoke(mcp_app, principal, "check_submission", args)
    replay = await invoke(mcp_app, principal, "check_submission", args)
    assert replay["job_id"] == started["job_id"]
    await mcp_app.state.runner.execute(started["job_id"])
    job = await invoke(mcp_app, principal, "get_refresh_job", {"job_id": started["job_id"]})
    assert job["status"] == "completed", job
    data = await invoke(mcp_app, principal, "get_submission_check", {"alpha_id": "alpha1"})
    assert data["checks"] == checks and data["checked_at"]
    assert data["check_summary"]["check_type"] == ("PASS" if result == "PASS" else "FAIL_1")
    assert data["check_summary"]["submission_limits"]["status"] == ("blocked" if limited else "unknown")
    assert data["production_submission"] is False
    assert platform.patches == [{s: {"description": args["descriptions"][s]} for s in sections}]
    assert platform.calls.count(("GET", "/alphas/alpha1/check")) == 2
    assert set(platform.calls) <= {("POST", "/authentication"), ("GET", "/alphas/alpha1"),
                                   ("PATCH", "/alphas/alpha1"), ("GET", "/alphas/alpha1/check")}
    async with mcp_app.state.sessions() as db:
        assert (await db.get(Alpha, "alpha1")).status == "UNSUBMITTED"


async def test_mcp_check_scope_and_guards(mcp_app):
    platform = await setup(mcp_app)
    reader, _ = await credentials(mcp_app, {"research:read"})
    state = await invoke(mcp_app, reader, "get_submission_check", {"alpha_id": "alpha1"})
    args = {"alpha_id": "alpha1", "snapshot": state["snapshot"], "descriptions": {"regular": "reviewed"}}
    with pytest.raises(HTTPException) as exc:
        await mcp_app.state.mcp.invoke(reader, "check_submission", args)
    assert exc.value.status_code == 403
    principal, _ = await credentials(mcp_app)
    for extra in [{"snapshot": "0" * 64}, {"descriptions": {"combo": "wrong"}}, {"submit": True}]:
        response = await mcp_app.state.mcp.invoke(principal, "check_submission", args | extra)
        assert response.is_error
    async with mcp_app.state.sessions.begin() as db:
        (await db.get(SelfCorrelation, "alpha1")).result = {"status": "high"}
    response = await mcp_app.state.mcp.invoke(principal, "check_submission", args)
    assert response.is_error
    assert platform.calls == []