"""Tests for WhatsApp API client."""

import pytest
import respx
from httpx import Response

from src.infrastructure.whatsapp.client import WhatsAppClient


class TestWhatsAppClient:
    """Test Meta WhatsApp Business API client."""

    @pytest.fixture
    def client(self):
        return WhatsAppClient()

    @respx.mock
    async def test_send_text_message(self, client):
        """Successfully send text message."""
        route = respx.post(
            "https://graph.facebook.com/v18.0/123456789012345/messages"
        ).mock(return_value=Response(200, json={
            "messages": [{"id": "wamid.sent123"}],
            "contacts": [{"wa_id": "5216641234567"}],
        }))

        result = await client.send_text_message("5216641234567", "Hola SKEEN")
        assert result["messages"][0]["id"] == "wamid.sent123"
        assert route.called

    @respx.mock
    async def test_send_text_message_too_long(self, client):
        """Truncate text over 4096 chars."""
        respx.post(
            "https://graph.facebook.com/v18.0/123456789012345/messages"
        ).mock(return_value=Response(200, json={"messages": [{"id": "x"}]}))

        long_text = "A" * 5000
        await client.send_text_message("5216641234567", long_text)
        # Should not raise

    @respx.mock
    async def test_mark_as_read(self, client):
        """Mark message as read."""
        route = respx.post(
            "https://graph.facebook.com/v18.0/123456789012345/messages"
        ).mock(return_value=Response(200, json={"success": True}))

        result = await client.mark_as_read("wamid.test123")
        assert result["success"] is True
        assert route.called

    async def test_button_limit(self, client):
        """More than 3 buttons raises ValueError."""
        with pytest.raises(ValueError, match="Maximum 3 buttons"):
            await client.send_interactive_buttons(
                "5216641234567",
                "Choose:",
                [{"id": "1", "title": "A"}, {"id": "2", "title": "B"},
                 {"id": "3", "title": "C"}, {"id": "4", "title": "D"}],
            )