"""
Test module for BillingResource

Test Categories:
1. list_plans() - Get available subscription plans
2. create_checkout() - Create Lemon Squeezy checkout
3. get_subscription() - Get user's subscription
4. cancel_subscription() - Cancel subscription
5. get_usage() - Get usage statistics
6. get_usage_history() - Get usage history with date range
"""

import pytest

# TODO: Import from tradepose_client.resources.billing


class TestBillingResource:
    """Test suite for BillingResource."""

    @pytest.mark.asyncio
    async def test_list_plans(self, mock_httpx_client):
        """Test listing subscription plans."""
        # TODO: Arrange - Mock GET /api/v1/billing/plans
        # TODO: Act - plans = await billing.list_plans()
        # TODO: Assert - Returns 3 plans (FREE, PRO, ENTERPRISE)
        pass

    @pytest.mark.asyncio
    async def test_create_checkout(self, mock_httpx_client):
        """Test creating checkout session."""
        # TODO: Arrange - Mock POST /api/v1/billing/checkout
        # TODO: Act - checkout = await billing.create_checkout(plan_tier="pro")
        # TODO: Assert - Returns checkout_url
        pass

    @pytest.mark.asyncio
    async def test_get_subscription(self, mock_httpx_client):
        """Test getting user subscription."""
        # TODO: Act - sub = await billing.get_subscription()
        # TODO: Assert - Returns subscription details
        pass

    @pytest.mark.asyncio
    async def test_cancel_subscription(self, mock_httpx_client):
        """Test canceling subscription."""
        # TODO: Act - await billing.cancel_subscription()
        # TODO: Assert - Returns success
        pass

    @pytest.mark.asyncio
    async def test_get_usage(self, mock_httpx_client):
        """Test getting usage statistics."""
        # TODO: Act - usage = await billing.get_usage()
        # TODO: Assert - Returns current month usage
        pass

    @pytest.mark.asyncio
    async def test_get_usage_history(self, mock_httpx_client):
        """Test getting usage history with date range."""
        # TODO: Act - history = await billing.get_usage_history(start_date="2025-01-01", end_date="2025-01-31")
        # TODO: Assert - Returns usage history
        pass
