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,
    PlanType,
    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, plan_type = await decide_plan_offer("", gateway)

    assert action is PlanOfferAction.UPGRADE
    assert plan_type is PlanType.FREE
    assert gateway.calls == []


@pytest.mark.parametrize(
    ("response", "expected_action", "expected_plan_type"),
    [
        (
            WhoAmIResponse(
                is_pro_plan=True,
                advertise_pro_plan=False,
                prompt_switching_to_pro_plan=False,
            ),
            PlanOfferAction.NONE,
            PlanType.PRO,
        ),
        (
            WhoAmIResponse(
                is_pro_plan=False,
                advertise_pro_plan=True,
                prompt_switching_to_pro_plan=False,
            ),
            PlanOfferAction.UPGRADE,
            PlanType.FREE,
        ),
        (
            WhoAmIResponse(
                is_pro_plan=False,
                advertise_pro_plan=False,
                prompt_switching_to_pro_plan=True,
            ),
            PlanOfferAction.SWITCH_TO_PRO_KEY,
            PlanType.PRO,
        ),
    ],
    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_action: PlanOfferAction,
    expected_plan_type: PlanType,
) -> None:
    gateway = FakeWhoAmIGateway(response)
    action, plan_type = await decide_plan_offer("api-key", gateway)

    assert action is expected_action
    assert plan_type is expected_plan_type
    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, plan_type = await decide_plan_offer("api-key", gateway)

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


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

    assert action is PlanOfferAction.UPGRADE
    assert plan_type is PlanType.FREE
    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, plan_type = await decide_plan_offer("api-key", gateway)

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