"""Tests for Pydantic models validation."""

import pytest
from pydantic import ValidationError
from app.models.auth import LoginRequest, UserResponse, LoginResponse
from app.models.query import QuestionRequest, BenchQueryRequest, BackendQueryRequest, QueryResponse
from app.models.settings import EnvironmentSettings, UserSettingsUpdate


class TestAuthModels:
    """Tests for authentication models."""

    def test_login_request_valid(self):
        """Test valid LoginRequest."""
        request = LoginRequest(
            login="12345678",
            client_ip="192.168.1.1"
        )

        assert request.login == "12345678"
        assert request.client_ip == "192.168.1.1"

    def test_login_request_invalid_format(self):
        """Test LoginRequest with invalid login format."""
        # Not 8 digits
        with pytest.raises(ValidationError):
            LoginRequest(login="1234567", client_ip="192.168.1.1")

        # Contains letters
        with pytest.raises(ValidationError):
            LoginRequest(login="abcd1234", client_ip="192.168.1.1")

    def test_user_response(self):
        """Test UserResponse model."""
        user = UserResponse(
            user_id="user-123",
            login="12345678",
            last_login_at="2024-01-01T00:00:00Z",
            created_at="2024-01-01T00:00:00Z"
        )

        assert user.user_id == "user-123"
        assert user.login == "12345678"

    def test_login_response(self):
        """Test LoginResponse model."""
        user = UserResponse(
            user_id="user-123",
            login="12345678",
            last_login_at="2024-01-01T00:00:00Z",
            created_at="2024-01-01T00:00:00Z"
        )

        response = LoginResponse(
            access_token="token123",
            token_type="bearer",
            user=user
        )

        assert response.access_token == "token123"
        assert response.token_type == "bearer"
        assert response.user.user_id == "user-123"


class TestQueryModels:
    """Tests for query models."""

    def test_question_request_valid(self):
        """Test valid QuestionRequest."""
        question = QuestionRequest(
            body="What is the weather?",
            with_docs=True
        )

        assert question.body == "What is the weather?"
        assert question.with_docs is True

    def test_question_request_default_with_docs(self):
        """Test QuestionRequest with default with_docs."""
        question = QuestionRequest(body="Test question")

        assert question.with_docs is True  # Default value

    def test_bench_query_request_valid(self):
        """Test valid BenchQueryRequest."""
        request = BenchQueryRequest(
            environment="ift",
            questions=[
                QuestionRequest(body="Q1", with_docs=True),
                QuestionRequest(body="Q2", with_docs=False)
            ]
        )

        assert request.environment == "ift"
        assert len(request.questions) == 2
        assert request.questions[0].body == "Q1"

    def test_backend_query_request_valid(self):
        """Test valid BackendQueryRequest."""
        request = BackendQueryRequest(
            environment="psi",
            questions=[
                QuestionRequest(body="Q1", with_docs=True)
            ],
            reset_session=True
        )

        assert request.environment == "psi"
        assert len(request.questions) == 1
        assert request.reset_session is True

    def test_backend_query_request_default_reset(self):
        """Test BackendQueryRequest with default reset_session."""
        request = BackendQueryRequest(
            environment="prod",
            questions=[QuestionRequest(body="Q1")]
        )

        assert request.reset_session is True  # Default value

    def test_query_response(self):
        """Test QueryResponse model."""
        response = QueryResponse(
            request_id="req-123",
            timestamp="2024-01-01T00:00:00Z",
            environment="ift",
            response={"answers": []}
        )

        assert response.request_id == "req-123"
        assert response.environment == "ift"
        assert isinstance(response.response, dict)


class TestSettingsModels:
    """Tests for settings models."""

    def test_environment_settings_valid(self):
        """Test valid EnvironmentSettings."""
        settings = EnvironmentSettings(
            apiMode="bench",
            bearerToken="token123",
            systemPlatform="platform",
            systemPlatformUser="user",
            platformUserId="user-123",
            platformId="platform-123",
            withClassify=True,
            resetSessionMode=False
        )

        assert settings.apiMode == "bench"
        assert settings.bearerToken == "token123"
        assert settings.withClassify is True
        assert settings.resetSessionMode is False

    def test_environment_settings_defaults(self):
        """Test EnvironmentSettings with default values."""
        settings = EnvironmentSettings(apiMode="backend")

        assert settings.apiMode == "backend"
        assert settings.bearerToken == ""
        assert settings.withClassify is False
        assert settings.resetSessionMode is True

    def test_user_settings_update(self):
        """Test UserSettingsUpdate model."""
        update = UserSettingsUpdate(
            settings={
                "ift": EnvironmentSettings(apiMode="bench"),
                "psi": EnvironmentSettings(apiMode="backend")
            }
        )

        assert "ift" in update.settings
        assert "psi" in update.settings
        assert update.settings["ift"].apiMode == "bench"
        assert update.settings["psi"].apiMode == "backend"

    def test_user_settings_update_empty(self):
        """Test UserSettingsUpdate with empty settings."""
        update = UserSettingsUpdate(settings={})

        assert update.settings == {}