from __future__ import annotations

import logging

import pytest

from tests.cli.plan_offer.adapters.fake_whoami_gateway import FakeWhoAmIGateway
from vibe.cli.plan_offer.decide_plan_offer import PlanOfferAction, decide_plan_offer
from vibe.cli.plan_offer.ports.whoami_gateway import WhoAmIResponse


@pytest.mark.asyncio
async def test_proposes_upgrade_without_call_when_api_key_is_empty() -> None:
    gateway = FakeWhoAmIGateway(
        WhoAmIResponse(
            is_pro_plan=False,
            advertise_pro_plan=False,
            prompt_switching_to_pro_plan=False,
        )
    )
    action = await decide_plan_offer("", gateway)

    assert action is PlanOfferAction.UPGRADE
    assert gateway.calls == []


@pytest.mark.parametrize(
    ("response", "expected"),
    [
        (
            WhoAmIResponse(
                is_pro_plan=True,
                advertise_pro_plan=False,
                prompt_switching_to_pro_plan=False,
            ),
            PlanOfferAction.NONE,
        ),
        (
            WhoAmIResponse(
                is_pro_plan=False,
                advertise_pro_plan=True,
                prompt_switching_to_pro_plan=False,
            ),
            PlanOfferAction.UPGRADE,
        ),
        (
            WhoAmIResponse(
                is_pro_plan=False,
                advertise_pro_plan=False,
                prompt_switching_to_pro_plan=True,
            ),
            PlanOfferAction.SWITCH_TO_PRO_KEY,
        ),
    ],
    ids=["with-a-pro-plan", "without-a-pro-plan", "with-a-non-pro-key"],
)
@pytest.mark.asyncio
async def test_proposes_an_action_based_on_current_plan_status(
    response: WhoAmIResponse, expected: PlanOfferAction
) -> None:
    gateway = FakeWhoAmIGateway(response)
    action = await decide_plan_offer("api-key", gateway)

    assert action is expected
    assert gateway.calls == ["api-key"]


@pytest.mark.asyncio
async def test_proposes_nothing_when_nothing_is_suggested() -> None:
    gateway = FakeWhoAmIGateway(
        WhoAmIResponse(
            is_pro_plan=False,
            advertise_pro_plan=False,
            prompt_switching_to_pro_plan=False,
        )
    )

    action = await decide_plan_offer("api-key", gateway)

    assert action is PlanOfferAction.NONE
    assert gateway.calls == ["api-key"]


@pytest.mark.asyncio
async def test_proposes_upgrade_when_api_key_is_unauthorized() -> None:
    gateway = FakeWhoAmIGateway(unauthorized=True)
    action = await decide_plan_offer("bad-key", gateway)

    assert action is PlanOfferAction.UPGRADE
    assert gateway.calls == ["bad-key"]


@pytest.mark.asyncio
async def test_proposes_none_and_logs_warning_when_gateway_error_occurs(
    caplog: pytest.LogCaptureFixture,
) -> None:
    gateway = FakeWhoAmIGateway(error=True)
    with caplog.at_level(logging.WARNING):
        action = await decide_plan_offer("api-key", gateway)

    assert action is PlanOfferAction.NONE
    assert gateway.calls == ["api-key"]
    assert "Failed to fetch plan status." in caplog.text