"""
Canvas component integration tests (INTG-09).

Tests cover:
- Adding text components
- Adding form components
- Adding chart components
- Adding custom components
- Component update
- Component deletion
"""
import pytest
from fastapi.testclient import TestClient
from sqlalchemy.orm import Session
from tests.factories.canvas_factory import CanvasAuditFactory
from tests.factories.user_factory import UserFactory
from core.models import CanvasAudit
from unittest.mock import Mock, patch
import uuid


class TestTextComponents:
    """Test text component operations."""

    def test_add_text_component(self, client: TestClient, auth_token: str, db_session: Session):
        """Test adding text component to canvas."""
        canvas_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="generic")
        db_session.add(canvas)
        db_session.commit()

        response = client.post(
            f"/api/canvas/{canvas_id}/components",
            json={
                "type": "text",
                "content": "Hello, World!"
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        # Component endpoint may not exist
        assert response.status_code in [200, 201, 404, 405]

        if response.status_code in [200, 201]:
            data = response.json()
            assert data.get("type") == "text"

    def test_add_markdown_component(self, client: TestClient, auth_token: str, db_session: Session):
        """Test adding markdown component."""
        canvas_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="docs")
        db_session.add(canvas)
        db_session.commit()

        response = client.post(
            f"/api/canvas/{canvas_id}/components",
            json={
                "type": "markdown",
                "content": "# Heading\n\n**Bold** text"
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        assert response.status_code in [200, 201, 404, 405]


class TestFormComponents:
    """Test form component operations."""

    def test_add_form_component(self, client: TestClient, auth_token: str, db_session: Session):
        """Test adding form component to canvas."""
        canvas_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="generic")
        db_session.add(canvas)
        db_session.commit()

        response = client.post(
            f"/api/canvas/{canvas_id}/components",
            json={
                "type": "form",
                "fields": [
                    {"name": "email", "type": "email", "required": True},
                    {"name": "name", "type": "text", "required": True}
                ]
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        assert response.status_code in [200, 201, 404, 405]

        if response.status_code in [200, 201]:
            data = response.json()
            assert data.get("type") == "form"
            assert "fields" in data
            assert len(data.get("fields", [])) == 2

    def test_form_with_various_field_types(self, client: TestClient, auth_token: str, db_session: Session):
        """Test form with various field types."""
        canvas_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="generic")
        db_session.add(canvas)
        db_session.commit()

        response = client.post(
            f"/api/canvas/{canvas_id}/components",
            json={
                "type": "form",
                "fields": [
                    {"name": "name", "type": "text", "required": True},
                    {"name": "email", "type": "email", "required": True},
                    {"name": "age", "type": "number", "required": False},
                    {"name": "bio", "type": "textarea", "required": False},
                    {"name": "subscribe", "type": "checkbox", "required": False}
                ]
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        assert response.status_code in [200, 201, 404, 405]

    def test_form_field_validation(self, client: TestClient, auth_token: str, db_session: Session):
        """Test form field validation."""
        canvas_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="generic")
        db_session.add(canvas)
        db_session.commit()

        # Missing required fields
        response = client.post(
            f"/api/canvas/{canvas_id}/components",
            json={
                "type": "form",
                "fields": []
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        # Should either accept empty forms or validate
        assert response.status_code in [200, 201, 400, 422, 404, 405]


class TestChartComponents:
    """Test chart component operations."""

    def test_add_line_chart(self, client: TestClient, auth_token: str, db_session: Session):
        """Test adding line chart component."""
        canvas_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="orchestration")
        db_session.add(canvas)
        db_session.commit()

        response = client.post(
            f"/api/canvas/{canvas_id}/components",
            json={
                "type": "line_chart",
                "data": {
                    "x": [1, 2, 3, 4, 5],
                    "y": [10, 20, 15, 25, 30]
                }
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        assert response.status_code in [200, 201, 404, 405]

        if response.status_code in [200, 201]:
            data = response.json()
            assert data.get("type") in ["line_chart", "chart"]

    def test_add_bar_chart(self, client: TestClient, auth_token: str, db_session: Session):
        """Test adding bar chart component."""
        canvas_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="orchestration")
        db_session.add(canvas)
        db_session.commit()

        response = client.post(
            f"/api/canvas/{canvas_id}/components",
            json={
                "type": "bar_chart",
                "data": {
                    "labels": ["A", "B", "C"],
                    "values": [10, 20, 30]
                }
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        assert response.status_code in [200, 201, 404, 405]

    def test_add_pie_chart(self, client: TestClient, auth_token: str, db_session: Session):
        """Test adding pie chart component."""
        canvas_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="orchestration")
        db_session.add(canvas)
        db_session.commit()

        response = client.post(
            f"/api/canvas/{canvas_id}/components",
            json={
                "type": "pie_chart",
                "data": {
                    "labels": ["Red", "Blue", "Green"],
                    "values": [30, 40, 30]
                }
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        assert response.status_code in [200, 201, 404, 405]


class TestSheetComponents:
    """Test sheet component operations."""

    def test_add_sheet_component(self, client: TestClient, auth_token: str, db_session: Session):
        """Test adding sheet component."""
        canvas_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="sheets")
        db_session.add(canvas)
        db_session.commit()

        response = client.post(
            f"/api/canvas/{canvas_id}/components",
            json={
                "type": "sheet",
                "data": {
                    "headers": ["Name", "Age", "City"],
                    "rows": [
                        ["Alice", 30, "NYC"],
                        ["Bob", 25, "LA"]
                    ]
                }
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        assert response.status_code in [200, 201, 404, 405]

        if response.status_code in [200, 201]:
            data = response.json()
            assert data.get("type") in ["sheet", "data_table"]


class TestCustomComponents:
    """Test custom component operations."""

    def test_add_custom_component(self, client: TestClient, auth_token: str, db_session: Session):
        """Test adding custom HTML/CSS/JS component."""
        canvas_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="generic")
        db_session.add(canvas)
        db_session.commit()

        response = client.post(
            f"/api/canvas/{canvas_id}/components",
            json={
                "type": "custom",
                "html": "<div>Custom</div>",
                "css": "div { color: red; }",
                "javascript": "console.log('test');"
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        # Custom components may be restricted or require validation
        assert response.status_code in [200, 201, 403, 404, 405]

        if response.status_code in [200, 201]:
            data = response.json()
            assert data.get("type") == "custom"

    def test_custom_component_html_only(self, client: TestClient, auth_token: str, db_session: Session):
        """Test custom component with HTML only (lower governance)."""
        canvas_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="generic")
        db_session.add(canvas)
        db_session.commit()

        response = client.post(
            f"/api/canvas/{canvas_id}/components",
            json={
                "type": "custom",
                "html": "<div class='safe'>Safe HTML</div>",
                "css": ".safe { padding: 10px; }"
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        # HTML/CSS only should have lower governance requirements
        assert response.status_code in [200, 201, 404, 405]

    def test_custom_component_with_javascript_restricted(self, client: TestClient, auth_token: str, db_session: Session):
        """Test custom component with JavaScript requires AUTONOMOUS."""
        canvas_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="generic")
        db_session.add(canvas)
        db_session.commit()

        response = client.post(
            f"/api/canvas/{canvas_id}/components",
            json={
                "type": "custom",
                "html": "<div>Test</div>",
                "javascript": "console.log('test');"
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        # JavaScript components may require AUTONOMOUS maturity
        assert response.status_code in [200, 201, 403, 404, 405]


class TestComponentUpdate:
    """Test component update operations."""

    def test_update_component(self, client: TestClient, auth_token: str, db_session: Session):
        """Test updating existing component."""
        canvas_id = str(uuid.uuid4())
        component_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="generic")
        db_session.add(canvas)
        db_session.commit()

        response = client.put(
            f"/api/canvas/{canvas_id}/components/{component_id}",
            json={
                "content": "Updated content"
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        # Update endpoint may not exist
        assert response.status_code in [200, 201, 404, 405]

        if response.status_code in [200, 201]:
            data = response.json()
            assert data.get("content") == "Updated content"

    def test_update_nonexistent_component(self, client: TestClient, auth_token: str, db_session: Session):
        """Test updating non-existent component."""
        canvas_id = str(uuid.uuid4())
        fake_component_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="generic")
        db_session.add(canvas)
        db_session.commit()

        response = client.put(
            f"/api/canvas/{canvas_id}/components/{fake_component_id}",
            json={
                "content": "Should fail"
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        # Should return 404 for non-existent component
        assert response.status_code in [404, 405]


class TestComponentDeletion:
    """Test component deletion operations."""

    def test_delete_component(self, client: TestClient, auth_token: str, db_session: Session):
        """Test deleting component from canvas."""
        canvas_id = str(uuid.uuid4())
        component_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="generic")
        db_session.add(canvas)
        db_session.commit()

        response = client.delete(
            f"/api/canvas/{canvas_id}/components/{component_id}",
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        # Deletion endpoint may not exist
        assert response.status_code in [200, 204, 404, 405]

        if response.status_code in [200, 204]:
            # Verify deletion - should return 404
            verify_response = client.get(
                f"/api/canvas/{canvas_id}/components/{component_id}",
                headers={"Authorization": f"Bearer {auth_token}"}
            )
            if verify_response.status_code != 405:
                assert verify_response.status_code == 404

    def test_delete_component_from_nonexistent_canvas(self, client: TestClient, auth_token: str):
        """Test deleting component from non-existent canvas."""
        fake_canvas_id = str(uuid.uuid4())
        component_id = str(uuid.uuid4())

        response = client.delete(
            f"/api/canvas/{fake_canvas_id}/components/{component_id}",
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        # Should return 404
        assert response.status_code in [404, 405]


class TestComponentValidation:
    """Test component validation."""

    def test_component_invalid_type(self, client: TestClient, auth_token: str, db_session: Session):
        """Test component with invalid type."""
        canvas_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="generic")
        db_session.add(canvas)
        db_session.commit()

        response = client.post(
            f"/api/canvas/{canvas_id}/components",
            json={
                "type": "invalid_type",
                "data": {}
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        # Should validate component type
        assert response.status_code in [400, 422, 404, 405]

    def test_chart_missing_data(self, client: TestClient, auth_token: str, db_session: Session):
        """Test chart component without required data."""
        canvas_id = str(uuid.uuid4())
        canvas = CanvasAuditFactory(id=canvas_id, canvas_type="orchestration")
        db_session.add(canvas)
        db_session.commit()

        response = client.post(
            f"/api/canvas/{canvas_id}/components",
            json={
                "type": "line_chart",
                "data": {}
            },
            headers={"Authorization": f"Bearer {auth_token}"}
        )

        # Should validate required chart data
        assert response.status_code in [400, 422, 200, 201, 404, 405]