"""P2 deployment-config enum / range validation for MafRoundtableConfig.

Config and API schemas share ``MafMode`` / ``MafWritePolicy`` from
``deerflow.config.maf_roundtable_config`` —invalid deployment values must fail
at load time, not silently become runtime bugs.
"""

from __future__ import annotations

import pytest
from pydantic import ValidationError

from deerflow.config.maf_roundtable_config import MafBusinessRoute, MafRoundtableConfig


def test_valid_config_loads():
    cfg = MafRoundtableConfig(
        enabled=True,
        default_mode="group_chat",
        default_write_policy="auto",
        default_max_rounds=16,
        admin_diagnostic_access=False,
    )
    assert cfg.default_mode == "group_chat"
    assert cfg.default_write_policy == "auto"
    assert cfg.default_max_rounds == 16


def test_default_config_loads():
    cfg = MafRoundtableConfig()
    assert cfg.enabled is False
    assert cfg.default_mode == "structured"
    assert cfg.default_write_policy == "confirm_high_risk"
    assert cfg.default_max_rounds == 8


def test_invalid_default_mode_rejected():
    with pytest.raises(ValidationError):
        MafRoundtableConfig(default_mode="wrong")


def test_invalid_default_write_policy_rejected():
    with pytest.raises(ValidationError):
        MafRoundtableConfig(default_write_policy="wrong")


def test_default_max_rounds_zero_rejected():
    with pytest.raises(ValidationError):
        MafRoundtableConfig(default_max_rounds=0)


def test_default_max_rounds_above_cap_rejected():
    with pytest.raises(ValidationError):
        MafRoundtableConfig(default_max_rounds=65)


def test_allow_mock_events_field_removed():
    """allow_mock_events must not be a config field anymore."""
    assert "allow_mock_events" not in MafRoundtableConfig.model_fields


def test_route_ids_are_trimmed_and_manager_cannot_be_a_seat():
    cfg = MafRoundtableConfig(
        default_manager_agent_id=" manager ",
        default_seat_agent_ids=[" seat-a "],
        business_routes={
            " 6BF ": MafBusinessRoute(
                manager_agent_id="route-manager",
                seat_agent_ids=["route-seat"],
            )
        },
    )
    assert cfg.default_manager_agent_id == "manager"
    assert cfg.default_seat_agent_ids == ["seat-a"]
    assert "6BF" in cfg.business_routes

    with pytest.raises(ValidationError, match="must not appear"):
        MafRoundtableConfig(
            default_manager_agent_id="manager",
            default_seat_agent_ids=["manager"],
        )
    with pytest.raises(ValidationError, match="default_manager_agent_id"):
        MafRoundtableConfig(default_manager_agent_id="   ")


def test_duplicate_seats_and_invalid_business_code_are_rejected():
    with pytest.raises(ValidationError, match="duplicates"):
        MafRoundtableConfig(default_seat_agent_ids=["seat-a", "seat-a"])
    with pytest.raises(ValidationError, match="business route code"):
        MafRoundtableConfig(
            business_routes={
                "not valid": MafBusinessRoute(manager_agent_id="manager")
            }
        )


def test_route_seat_count_obeys_global_limit():
    with pytest.raises(ValidationError, match="max_seats_per_run"):
        MafRoundtableConfig(
            max_seats_per_run=1,
            default_seat_agent_ids=["seat-a", "seat-b"],
        )