"""
Unit tests for KworkClient with mocks.

These tests use respx for HTTP mocking and don't require real API access.
"""

import pytest
import respx
from httpx import Response

from kwork_api import KworkClient, KworkAuthError, KworkApiError
from kwork_api.models import CatalogResponse, Kwork


class TestAuthentication:
    """Test authentication flows."""
    
    @respx.mock
    async def test_login_success(self):
        """Test successful login."""
        import httpx
        
        # Mock login endpoint
        login_route = respx.post("https://kwork.ru/signIn")
        login_route.mock(return_value=httpx.Response(
            200,
            headers={"Set-Cookie": "userId=12345; slrememberme=token123"},
        ))
        
        # Mock token endpoint
        token_route = respx.post("https://kwork.ru/getWebAuthToken").mock(
            return_value=Response(
                200,
                json={"web_auth_token": "test_token_abc123"},
            )
        )
        
        # Login
        client = await KworkClient.login("testuser", "testpass")
        
        # Verify
        assert login_route.called
        assert token_route.called
        assert client._token == "test_token_abc123"
    
    @respx.mock
    async def test_login_invalid_credentials(self):
        """Test login with invalid credentials."""
        respx.post("https://kwork.ru/signIn").mock(
            return_value=Response(401, json={"error": "Invalid credentials"})
        )
        
        with pytest.raises(KworkAuthError):
            await KworkClient.login("wrong", "wrong")
    
    @respx.mock
    async def test_login_no_userid(self):
        """Test login without userId in cookies."""
        import httpx
        
        respx.post("https://kwork.ru/signIn").mock(
            return_value=httpx.Response(200, headers={"Set-Cookie": "other=value"})
        )
        
        with pytest.raises(KworkAuthError, match="no userId"):
            await KworkClient.login("test", "test")
    
    @respx.mock
    async def test_login_no_token(self):
        """Test login without web_auth_token in response."""
        import httpx
        
        respx.post("https://kwork.ru/signIn").mock(
            return_value=httpx.Response(200, headers={"Set-Cookie": "userId=123"})
        )
        
        respx.post("https://kwork.ru/getWebAuthToken").mock(
            return_value=Response(200, json={"other": "data"})
        )
        
        with pytest.raises(KworkAuthError, match="No web_auth_token"):
            await KworkClient.login("test", "test")
    
    def test_init_with_token(self):
        """Test client initialization with token."""
        client = KworkClient(token="test_token")
        assert client._token == "test_token"


class TestCatalogAPI:
    """Test catalog endpoints."""
    
    @respx.mock
    async def test_get_catalog(self):
        """Test getting catalog list."""
        client = KworkClient(token="test")
        
        mock_data = {
            "kworks": [
                {"id": 1, "title": "Test Kwork", "price": 1000.0},
                {"id": 2, "title": "Another Kwork", "price": 2000.0},
            ],
            "pagination": {
                "current_page": 1,
                "total_pages": 5,
                "total_items": 100,
            },
        }
        
        respx.post(f"{client.base_url}/catalogMainv2").mock(
            return_value=Response(200, json=mock_data)
        )
        
        result = await client.catalog.get_list(page=1)
        
        assert isinstance(result, CatalogResponse)
        assert len(result.kworks) == 2
        assert result.kworks[0].id == 1
        assert result.pagination.total_pages == 5
    
    @respx.mock
    async def test_get_kwork_details(self):
        """Test getting kwork details."""
        client = KworkClient(token="test")
        
        mock_data = {
            "id": 123,
            "title": "Detailed Kwork",
            "price": 5000.0,
            "full_description": "Full description here",
            "delivery_time": 3,
        }
        
        respx.post(f"{client.base_url}/getKworkDetails").mock(
            return_value=Response(200, json=mock_data)
        )
        
        result = await client.catalog.get_details(123)
        
        assert result.id == 123
        assert result.full_description == "Full description here"
        assert result.delivery_time == 3
    
    @respx.mock
    async def test_catalog_error(self):
        """Test catalog API error handling."""
        client = KworkClient(token="test")
        
        respx.post(f"{client.base_url}/catalogMainv2").mock(
            return_value=Response(400, json={"message": "Invalid category"})
        )
        
        with pytest.raises(KworkApiError):
            await client.catalog.get_list(category_id=99999)


class TestProjectsAPI:
    """Test projects endpoints."""
    
    @respx.mock
    async def test_get_projects(self):
        """Test getting projects list."""
        client = KworkClient(token="test")
        
        mock_data = {
            "projects": [
                {
                    "id": 1,
                    "title": "Test Project",
                    "description": "Test description",
                    "budget": 10000.0,
                    "status": "open",
                }
            ],
            "pagination": {"current_page": 1},
        }
        
        respx.post(f"{client.base_url}/projects").mock(
            return_value=Response(200, json=mock_data)
        )
        
        result = await client.projects.get_list()
        
        assert len(result.projects) == 1
        assert result.projects[0].budget == 10000.0


class TestErrorHandling:
    """Test error handling."""
    
    @respx.mock
    async def test_404_error(self):
        """Test 404 error handling."""
        client = KworkClient(token="test")
        
        respx.post(f"{client.base_url}/getKworkDetails").mock(
            return_value=Response(404)
        )
        
        with pytest.raises(KworkApiError) as exc_info:
            await client.catalog.get_details(999)
        
        assert exc_info.value.status_code == 404
    
    @respx.mock
    async def test_401_error(self):
        """Test 401 error handling."""
        client = KworkClient(token="invalid")
        
        respx.post(f"{client.base_url}/catalogMainv2").mock(
            return_value=Response(401)
        )
        
        with pytest.raises(KworkAuthError):
            await client.catalog.get_list()
    
    @respx.mock
    async def test_network_error(self):
        """Test network error handling."""
        client = KworkClient(token="test")
        
        respx.post(f"{client.base_url}/catalogMainv2").mock(
            side_effect=Exception("Connection refused")
        )
        
        with pytest.raises(Exception):
            await client.catalog.get_list()


class TestContextManager:
    """Test async context manager."""
    
    async def test_context_manager(self):
        """Test using client as context manager."""
        async with KworkClient(token="test") as client:
            assert client._client is None  # Not created yet
            
            # Client should be created on first request
            # (but we don't make actual requests in this test)
        
        # Client should be closed after context
        assert client._client is None or client._client.is_closed