bambuddy/backend/tests/integration/test_print_queue_api.py

"""Integration tests for Print Queue API endpoints."""

import pytest
from httpx import AsyncClient


class TestPrintQueueAPI:
    """Integration tests for /api/v1/queue endpoints."""

    @pytest.fixture
    async def printer_factory(self, db_session):
        """Factory to create test printers."""
        _counter = [0]

        async def _create_printer(**kwargs):
            from backend.app.models.printer import Printer

            _counter[0] += 1
            counter = _counter[0]

            defaults = {
                "name": f"Test Printer {counter}",
                "ip_address": f"192.168.1.{100 + counter}",
                "serial_number": f"TESTSERIAL{counter:04d}",
                "access_code": "12345678",
                "model": "X1C",
            }
            defaults.update(kwargs)

            printer = Printer(**defaults)
            db_session.add(printer)
            await db_session.commit()
            await db_session.refresh(printer)
            return printer

        return _create_printer

    @pytest.fixture
    async def archive_factory(self, db_session):
        """Factory to create test archives."""
        _counter = [0]

        async def _create_archive(**kwargs):
            from backend.app.models.archive import PrintArchive

            _counter[0] += 1
            counter = _counter[0]

            defaults = {
                "filename": f"test_print_{counter}.3mf",
                "print_name": f"Test Print {counter}",
                "file_path": f"/tmp/test_print_{counter}.3mf",
                "file_size": 1024,
                "content_hash": f"testhash{counter:08d}",
                "status": "completed",
            }
            defaults.update(kwargs)

            archive = PrintArchive(**defaults)
            db_session.add(archive)
            await db_session.commit()
            await db_session.refresh(archive)
            return archive

        return _create_archive

    @pytest.fixture
    async def queue_item_factory(self, db_session, printer_factory, archive_factory):
        """Factory to create test queue items."""
        _counter = [0]

        async def _create_queue_item(**kwargs):
            from backend.app.models.print_queue import PrintQueueItem

            _counter[0] += 1
            counter = _counter[0]

            # Create printer and archive if not provided
            if "printer_id" not in kwargs:
                printer = await printer_factory()
                kwargs["printer_id"] = printer.id

            if "archive_id" not in kwargs:
                archive = await archive_factory()
                kwargs["archive_id"] = archive.id

            defaults = {
                "status": "pending",
                "position": counter,
            }
            defaults.update(kwargs)

            item = PrintQueueItem(**defaults)
            db_session.add(item)
            await db_session.commit()
            await db_session.refresh(item)
            return item

        return _create_queue_item

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_list_queue_empty(self, async_client: AsyncClient):
        """Verify empty list when no queue items exist."""
        response = await async_client.get("/api/v1/queue/")
        assert response.status_code == 200
        assert isinstance(response.json(), list)

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_add_to_queue(self, async_client: AsyncClient, printer_factory, archive_factory, db_session):
        """Verify item can be added to queue."""
        printer = await printer_factory()
        archive = await archive_factory()

        data = {
            "printer_id": printer.id,
            "archive_id": archive.id,
        }
        response = await async_client.post("/api/v1/queue/", json=data)
        assert response.status_code == 200
        result = response.json()
        assert result["printer_id"] == printer.id
        assert result["archive_id"] == archive.id
        assert result["status"] == "pending"
        assert result["manual_start"] is False

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_add_to_queue_with_manual_start(
        self, async_client: AsyncClient, printer_factory, archive_factory, db_session
    ):
        """Verify item can be added to queue with manual_start=True."""
        printer = await printer_factory()
        archive = await archive_factory()

        data = {
            "printer_id": printer.id,
            "archive_id": archive.id,
            "manual_start": True,
        }
        response = await async_client.post("/api/v1/queue/", json=data)
        assert response.status_code == 200
        result = response.json()
        assert result["printer_id"] == printer.id
        assert result["archive_id"] == archive.id
        assert result["status"] == "pending"
        assert result["manual_start"] is True

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_add_to_queue_with_ams_mapping(
        self, async_client: AsyncClient, printer_factory, archive_factory, db_session
    ):
        """Verify item can be added to queue with ams_mapping."""
        printer = await printer_factory()
        archive = await archive_factory()

        data = {
            "printer_id": printer.id,
            "archive_id": archive.id,
            "ams_mapping": [5, -1, 2, -1],  # Slot 1 -> tray 5, slot 3 -> tray 2
        }
        response = await async_client.post("/api/v1/queue/", json=data)
        assert response.status_code == 200
        result = response.json()
        assert result["printer_id"] == printer.id
        assert result["archive_id"] == archive.id
        assert result["ams_mapping"] == [5, -1, 2, -1]

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_add_to_queue_with_plate_id(
        self, async_client: AsyncClient, printer_factory, archive_factory, db_session
    ):
        """Verify item can be added to queue with plate_id for multi-plate 3MF."""
        printer = await printer_factory()
        archive = await archive_factory()

        data = {
            "printer_id": printer.id,
            "archive_id": archive.id,
            "plate_id": 3,
        }
        response = await async_client.post("/api/v1/queue/", json=data)
        assert response.status_code == 200
        result = response.json()
        assert result["plate_id"] == 3

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_add_to_queue_with_print_options(
        self, async_client: AsyncClient, printer_factory, archive_factory, db_session
    ):
        """Verify item can be added to queue with print options."""
        printer = await printer_factory()
        archive = await archive_factory()

        data = {
            "printer_id": printer.id,
            "archive_id": archive.id,
            "bed_levelling": False,
            "flow_cali": True,
            "vibration_cali": False,
            "layer_inspect": True,
            "timelapse": True,
            "use_ams": False,
        }
        response = await async_client.post("/api/v1/queue/", json=data)
        assert response.status_code == 200
        result = response.json()
        assert result["bed_levelling"] is False
        assert result["flow_cali"] is True
        assert result["vibration_cali"] is False
        assert result["layer_inspect"] is True
        assert result["timelapse"] is True
        assert result["use_ams"] is False

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_update_queue_item_plate_id(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify queue item plate_id can be updated."""
        item = await queue_item_factory()
        response = await async_client.patch(f"/api/v1/queue/{item.id}", json={"plate_id": 5})
        assert response.status_code == 200
        result = response.json()
        assert result["plate_id"] == 5

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_update_queue_item_print_options(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify queue item print options can be updated."""
        item = await queue_item_factory()
        response = await async_client.patch(
            f"/api/v1/queue/{item.id}",
            json={
                "bed_levelling": False,
                "timelapse": True,
            },
        )
        assert response.status_code == 200
        result = response.json()
        assert result["bed_levelling"] is False
        assert result["timelapse"] is True

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_get_queue_item(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify single queue item can be retrieved."""
        item = await queue_item_factory()
        response = await async_client.get(f"/api/v1/queue/{item.id}")
        assert response.status_code == 200
        assert response.json()["id"] == item.id

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_get_queue_item_not_found(self, async_client: AsyncClient):
        """Verify 404 for non-existent queue item."""
        response = await async_client.get("/api/v1/queue/9999")
        assert response.status_code == 404

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_update_queue_item(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify queue item can be updated."""
        item = await queue_item_factory()
        response = await async_client.patch(f"/api/v1/queue/{item.id}", json={"auto_off_after": True})
        assert response.status_code == 200
        result = response.json()
        assert result["auto_off_after"] is True

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_update_queue_item_manual_start(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify queue item manual_start can be updated."""
        item = await queue_item_factory(manual_start=False)
        response = await async_client.patch(f"/api/v1/queue/{item.id}", json={"manual_start": True})
        assert response.status_code == 200
        result = response.json()
        assert result["manual_start"] is True

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_delete_queue_item(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify queue item can be deleted."""
        item = await queue_item_factory()
        response = await async_client.delete(f"/api/v1/queue/{item.id}")
        assert response.status_code == 200
        assert response.json()["message"] == "Queue item deleted"

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_delete_queue_item_not_found(self, async_client: AsyncClient):
        """Verify 404 for deleting non-existent queue item."""
        response = await async_client.delete("/api/v1/queue/9999")
        assert response.status_code == 404


class TestQueueStartEndpoint:
    """Tests for the /queue/{item_id}/start endpoint."""

    @pytest.fixture
    async def printer_factory(self, db_session):
        """Factory to create test printers."""
        _counter = [0]

        async def _create_printer(**kwargs):
            from backend.app.models.printer import Printer

            _counter[0] += 1
            counter = _counter[0]

            defaults = {
                "name": f"Test Printer {counter}",
                "ip_address": f"192.168.1.{100 + counter}",
                "serial_number": f"TESTSERIAL{counter:04d}",
                "access_code": "12345678",
                "model": "X1C",
            }
            defaults.update(kwargs)

            printer = Printer(**defaults)
            db_session.add(printer)
            await db_session.commit()
            await db_session.refresh(printer)
            return printer

        return _create_printer

    @pytest.fixture
    async def archive_factory(self, db_session):
        """Factory to create test archives."""
        _counter = [0]

        async def _create_archive(**kwargs):
            from backend.app.models.archive import PrintArchive

            _counter[0] += 1
            counter = _counter[0]

            defaults = {
                "filename": f"test_print_{counter}.3mf",
                "print_name": f"Test Print {counter}",
                "file_path": f"/tmp/test_print_{counter}.3mf",
                "file_size": 1024,
                "content_hash": f"testhash{counter:08d}",
                "status": "completed",
            }
            defaults.update(kwargs)

            archive = PrintArchive(**defaults)
            db_session.add(archive)
            await db_session.commit()
            await db_session.refresh(archive)
            return archive

        return _create_archive

    @pytest.fixture
    async def queue_item_factory(self, db_session, printer_factory, archive_factory):
        """Factory to create test queue items."""
        _counter = [0]

        async def _create_queue_item(**kwargs):
            from backend.app.models.print_queue import PrintQueueItem

            _counter[0] += 1
            counter = _counter[0]

            if "printer_id" not in kwargs:
                printer = await printer_factory()
                kwargs["printer_id"] = printer.id

            if "archive_id" not in kwargs:
                archive = await archive_factory()
                kwargs["archive_id"] = archive.id

            defaults = {
                "status": "pending",
                "position": counter,
            }
            defaults.update(kwargs)

            item = PrintQueueItem(**defaults)
            db_session.add(item)
            await db_session.commit()
            await db_session.refresh(item)
            return item

        return _create_queue_item

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_start_staged_queue_item(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify starting a staged (manual_start=True) queue item clears the flag."""
        item = await queue_item_factory(manual_start=True)
        assert item.manual_start is True

        response = await async_client.post(f"/api/v1/queue/{item.id}/start")
        assert response.status_code == 200
        result = response.json()
        assert result["manual_start"] is False
        assert result["status"] == "pending"

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_start_non_staged_queue_item(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify starting a non-staged queue item still works (idempotent)."""
        item = await queue_item_factory(manual_start=False)
        assert item.manual_start is False

        response = await async_client.post(f"/api/v1/queue/{item.id}/start")
        assert response.status_code == 200
        result = response.json()
        assert result["manual_start"] is False

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_start_queue_item_not_found(self, async_client: AsyncClient):
        """Verify 404 for non-existent queue item."""
        response = await async_client.post("/api/v1/queue/9999/start")
        assert response.status_code == 404

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_start_non_pending_queue_item(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify 400 error when trying to start a non-pending queue item."""
        item = await queue_item_factory(status="printing", manual_start=True)

        response = await async_client.post(f"/api/v1/queue/{item.id}/start")
        assert response.status_code == 400
        assert "pending" in response.json()["detail"].lower()

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_start_completed_queue_item(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify 400 error when trying to start a completed queue item."""
        item = await queue_item_factory(status="completed", manual_start=True)

        response = await async_client.post(f"/api/v1/queue/{item.id}/start")
        assert response.status_code == 400


class TestQueueCancelEndpoint:
    """Tests for the /queue/{item_id}/cancel endpoint."""

    @pytest.fixture
    async def printer_factory(self, db_session):
        """Factory to create test printers."""

        async def _create_printer(**kwargs):
            from backend.app.models.printer import Printer

            defaults = {
                "name": "Cancel Test Printer",
                "ip_address": "192.168.1.200",
                "serial_number": "TESTCANCEL001",
                "access_code": "12345678",
                "model": "X1C",
            }
            defaults.update(kwargs)

            printer = Printer(**defaults)
            db_session.add(printer)
            await db_session.commit()
            await db_session.refresh(printer)
            return printer

        return _create_printer

    @pytest.fixture
    async def archive_factory(self, db_session):
        """Factory to create test archives."""

        async def _create_archive(**kwargs):
            from backend.app.models.archive import PrintArchive

            defaults = {
                "filename": "cancel_test.3mf",
                "print_name": "Cancel Test Print",
                "file_path": "/tmp/cancel_test.3mf",
                "file_size": 1024,
                "content_hash": "cancelhash001",
                "status": "completed",
            }
            defaults.update(kwargs)

            archive = PrintArchive(**defaults)
            db_session.add(archive)
            await db_session.commit()
            await db_session.refresh(archive)
            return archive

        return _create_archive

    @pytest.fixture
    async def queue_item_factory(self, db_session, printer_factory, archive_factory):
        """Factory to create test queue items."""

        async def _create_queue_item(**kwargs):
            from backend.app.models.print_queue import PrintQueueItem

            if "printer_id" not in kwargs:
                printer = await printer_factory()
                kwargs["printer_id"] = printer.id

            if "archive_id" not in kwargs:
                archive = await archive_factory()
                kwargs["archive_id"] = archive.id

            defaults = {
                "status": "pending",
                "position": 1,
            }
            defaults.update(kwargs)

            item = PrintQueueItem(**defaults)
            db_session.add(item)
            await db_session.commit()
            await db_session.refresh(item)
            return item

        return _create_queue_item

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_cancel_pending_queue_item(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify cancelling a pending queue item."""
        item = await queue_item_factory(status="pending")

        response = await async_client.post(f"/api/v1/queue/{item.id}/cancel")
        assert response.status_code == 200
        assert response.json()["message"] == "Queue item cancelled"

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_cancel_non_pending_queue_item(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify 400 error when trying to cancel a non-pending queue item."""
        item = await queue_item_factory(status="printing")

        response = await async_client.post(f"/api/v1/queue/{item.id}/cancel")
        assert response.status_code == 400


class TestQueueLibraryFileSupport:
    """Tests for queue items with library_file_id (instead of archive_id)."""

    @pytest.fixture
    async def printer_factory(self, db_session):
        """Factory to create test printers."""
        _counter = [0]

        async def _create_printer(**kwargs):
            from backend.app.models.printer import Printer

            _counter[0] += 1
            counter = _counter[0]

            defaults = {
                "name": f"Library Test Printer {counter}",
                "ip_address": f"192.168.1.{150 + counter}",
                "serial_number": f"TESTLIB{counter:04d}",
                "access_code": "12345678",
                "model": "X1C",
            }
            defaults.update(kwargs)

            printer = Printer(**defaults)
            db_session.add(printer)
            await db_session.commit()
            await db_session.refresh(printer)
            return printer

        return _create_printer

    @pytest.fixture
    async def library_file_factory(self, db_session):
        """Factory to create test library files."""
        _counter = [0]

        async def _create_library_file(**kwargs):
            from backend.app.models.library import LibraryFile

            _counter[0] += 1
            counter = _counter[0]

            defaults = {
                "filename": f"library_test_{counter}.3mf",
                "file_path": f"/test/library/library_test_{counter}.3mf",
                "file_size": 2048,
                "file_type": "3mf",
                "file_metadata": {"print_name": f"Library Print {counter}", "print_time_seconds": 3600},
            }
            defaults.update(kwargs)

            lib_file = LibraryFile(**defaults)
            db_session.add(lib_file)
            await db_session.commit()
            await db_session.refresh(lib_file)
            return lib_file

        return _create_library_file

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_add_to_queue_with_library_file(
        self, async_client: AsyncClient, printer_factory, library_file_factory, db_session
    ):
        """Verify item can be added to queue using library_file_id instead of archive_id."""
        printer = await printer_factory()
        lib_file = await library_file_factory()

        data = {
            "printer_id": printer.id,
            "library_file_id": lib_file.id,
        }
        response = await async_client.post("/api/v1/queue/", json=data)
        assert response.status_code == 200
        result = response.json()
        assert result["printer_id"] == printer.id
        assert result["library_file_id"] == lib_file.id
        assert result["archive_id"] is None
        assert result["status"] == "pending"
        assert result["library_file_name"] == "Library Print 1"
        assert result["print_time_seconds"] == 3600

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_add_to_queue_library_file_with_options(
        self, async_client: AsyncClient, printer_factory, library_file_factory, db_session
    ):
        """Verify library file queue item can have all options set."""
        printer = await printer_factory()
        lib_file = await library_file_factory()

        data = {
            "printer_id": printer.id,
            "library_file_id": lib_file.id,
            "ams_mapping": [1, 2, -1, -1],
            "plate_id": 2,
            "bed_levelling": False,
            "timelapse": True,
            "manual_start": True,
        }
        response = await async_client.post("/api/v1/queue/", json=data)
        assert response.status_code == 200
        result = response.json()
        assert result["library_file_id"] == lib_file.id
        assert result["ams_mapping"] == [1, 2, -1, -1]
        assert result["plate_id"] == 2
        assert result["bed_levelling"] is False
        assert result["timelapse"] is True
        assert result["manual_start"] is True

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_add_to_queue_requires_archive_or_library_file(
        self, async_client: AsyncClient, printer_factory, db_session
    ):
        """Verify 400 error when neither archive_id nor library_file_id provided."""
        printer = await printer_factory()

        data = {
            "printer_id": printer.id,
        }
        response = await async_client.post("/api/v1/queue/", json=data)
        assert response.status_code == 400
        assert (
            "archive_id" in response.json()["detail"].lower() or "library_file_id" in response.json()["detail"].lower()
        )

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_update_queue_item_with_library_file(
        self, async_client: AsyncClient, printer_factory, library_file_factory, db_session
    ):
        """Verify queue item with library_file_id can be updated."""
        from backend.app.models.print_queue import PrintQueueItem

        printer = await printer_factory()
        lib_file = await library_file_factory()

        # Create queue item directly
        item = PrintQueueItem(
            printer_id=printer.id,
            library_file_id=lib_file.id,
            status="pending",
            position=1,
        )
        db_session.add(item)
        await db_session.commit()
        await db_session.refresh(item)

        # Update the item
        response = await async_client.patch(
            f"/api/v1/queue/{item.id}",
            json={"auto_off_after": True, "plate_id": 3},
        )
        assert response.status_code == 200
        result = response.json()
        assert result["auto_off_after"] is True
        assert result["plate_id"] == 3
        assert result["library_file_id"] == lib_file.id

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_list_queue_includes_library_file_info(
        self, async_client: AsyncClient, printer_factory, library_file_factory, db_session
    ):
        """Verify queue list includes library file metadata."""
        from backend.app.models.print_queue import PrintQueueItem

        printer = await printer_factory()
        lib_file = await library_file_factory(
            file_metadata={"print_name": "Custom Print Name", "print_time_seconds": 7200}
        )

        item = PrintQueueItem(
            printer_id=printer.id,
            library_file_id=lib_file.id,
            status="pending",
            position=1,
        )
        db_session.add(item)
        await db_session.commit()

        response = await async_client.get("/api/v1/queue/")
        assert response.status_code == 200
        items = response.json()
        assert len(items) >= 1

        # Find our item
        our_item = next((i for i in items if i["library_file_id"] == lib_file.id), None)
        assert our_item is not None
        assert our_item["library_file_name"] == "Custom Print Name"
        assert our_item["print_time_seconds"] == 7200


class TestBulkUpdateEndpoint:
    """Tests for the /queue/bulk endpoint."""

    @pytest.fixture
    async def printer_factory(self, db_session):
        """Factory to create test printers."""
        _counter = [0]

        async def _create_printer(**kwargs):
            from backend.app.models.printer import Printer

            _counter[0] += 1
            counter = _counter[0]

            defaults = {
                "name": f"Bulk Test Printer {counter}",
                "ip_address": f"192.168.1.{150 + counter}",
                "serial_number": f"TESTBULK{counter:04d}",
                "access_code": "12345678",
                "model": "X1C",
            }
            defaults.update(kwargs)

            printer = Printer(**defaults)
            db_session.add(printer)
            await db_session.commit()
            await db_session.refresh(printer)
            return printer

        return _create_printer

    @pytest.fixture
    async def archive_factory(self, db_session):
        """Factory to create test archives."""
        _counter = [0]

        async def _create_archive(**kwargs):
            from backend.app.models.archive import PrintArchive

            _counter[0] += 1
            counter = _counter[0]

            defaults = {
                "filename": f"bulk_test_{counter}.3mf",
                "print_name": f"Bulk Test Print {counter}",
                "file_path": f"/tmp/bulk_test_{counter}.3mf",
                "file_size": 1024,
                "content_hash": f"bulkhash{counter:04d}",
                "status": "completed",
            }
            defaults.update(kwargs)

            archive = PrintArchive(**defaults)
            db_session.add(archive)
            await db_session.commit()
            await db_session.refresh(archive)
            return archive

        return _create_archive

    @pytest.fixture
    async def queue_item_factory(self, db_session, printer_factory, archive_factory):
        """Factory to create test queue items."""

        async def _create_item(**kwargs):
            from backend.app.models.print_queue import PrintQueueItem

            if "printer_id" not in kwargs:
                printer = await printer_factory()
                kwargs["printer_id"] = printer.id

            if "archive_id" not in kwargs:
                archive = await archive_factory()
                kwargs["archive_id"] = archive.id

            defaults = {
                "status": "pending",
                "position": 1,
                "bed_levelling": True,
                "flow_cali": False,
                "vibration_cali": True,
            }
            defaults.update(kwargs)

            item = PrintQueueItem(**defaults)
            db_session.add(item)
            await db_session.commit()
            await db_session.refresh(item)
            return item

        return _create_item

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_bulk_update_single_field(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify bulk update can change a single field on multiple items."""
        item1 = await queue_item_factory(bed_levelling=True)
        item2 = await queue_item_factory(bed_levelling=True)

        response = await async_client.patch(
            "/api/v1/queue/bulk",
            json={"item_ids": [item1.id, item2.id], "bed_levelling": False},
        )
        assert response.status_code == 200
        result = response.json()
        assert result["updated_count"] == 2
        assert result["skipped_count"] == 0

        # Verify items were updated
        await db_session.refresh(item1)
        await db_session.refresh(item2)
        assert item1.bed_levelling is False
        assert item2.bed_levelling is False

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_bulk_update_multiple_fields(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify bulk update can change multiple fields at once."""
        item1 = await queue_item_factory(bed_levelling=True, flow_cali=False, manual_start=False)
        item2 = await queue_item_factory(bed_levelling=True, flow_cali=False, manual_start=False)

        response = await async_client.patch(
            "/api/v1/queue/bulk",
            json={
                "item_ids": [item1.id, item2.id],
                "bed_levelling": False,
                "flow_cali": True,
                "manual_start": True,
            },
        )
        assert response.status_code == 200
        result = response.json()
        assert result["updated_count"] == 2

        await db_session.refresh(item1)
        assert item1.bed_levelling is False
        assert item1.flow_cali is True
        assert item1.manual_start is True

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_bulk_update_skips_non_pending(self, async_client: AsyncClient, queue_item_factory, db_session):
        """Verify bulk update skips non-pending items."""
        pending_item = await queue_item_factory(status="pending", bed_levelling=True)
        printing_item = await queue_item_factory(status="printing", bed_levelling=True)
        completed_item = await queue_item_factory(status="completed", bed_levelling=True)

        response = await async_client.patch(
            "/api/v1/queue/bulk",
            json={
                "item_ids": [pending_item.id, printing_item.id, completed_item.id],
                "bed_levelling": False,
            },
        )
        assert response.status_code == 200
        result = response.json()
        assert result["updated_count"] == 1
        assert result["skipped_count"] == 2

        # Only pending item should be updated
        await db_session.refresh(pending_item)
        await db_session.refresh(printing_item)
        await db_session.refresh(completed_item)
        assert pending_item.bed_levelling is False
        assert printing_item.bed_levelling is True
        assert completed_item.bed_levelling is True

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_bulk_update_change_printer(
        self, async_client: AsyncClient, queue_item_factory, printer_factory, db_session
    ):
        """Verify bulk update can reassign items to a different printer."""
        new_printer = await printer_factory(name="New Target Printer")
        item1 = await queue_item_factory()
        item2 = await queue_item_factory()

        original_printer_id = item1.printer_id

        response = await async_client.patch(
            "/api/v1/queue/bulk",
            json={"item_ids": [item1.id, item2.id], "printer_id": new_printer.id},
        )
        assert response.status_code == 200

        await db_session.refresh(item1)
        await db_session.refresh(item2)
        assert item1.printer_id == new_printer.id
        assert item2.printer_id == new_printer.id
        assert item1.printer_id != original_printer_id

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_bulk_update_empty_item_ids(self, async_client: AsyncClient):
        """Verify 400 error when item_ids is empty."""
        response = await async_client.patch(
            "/api/v1/queue/bulk",
            json={"item_ids": [], "bed_levelling": False},
        )
        assert response.status_code == 400
        assert "no item" in response.json()["detail"].lower()

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_bulk_update_no_fields(self, async_client: AsyncClient, queue_item_factory):
        """Verify 400 error when no fields to update."""
        item = await queue_item_factory()

        response = await async_client.patch(
            "/api/v1/queue/bulk",
            json={"item_ids": [item.id]},
        )
        assert response.status_code == 400
        assert "no fields" in response.json()["detail"].lower()

    @pytest.mark.asyncio
    @pytest.mark.integration
    async def test_bulk_update_invalid_printer(self, async_client: AsyncClient, queue_item_factory):
        """Verify 400 error when printer_id doesn't exist."""
        item = await queue_item_factory()

        response = await async_client.patch(
            "/api/v1/queue/bulk",
            json={"item_ids": [item.id], "printer_id": 99999},
        )
        assert response.status_code == 400
        assert "printer not found" in response.json()["detail"].lower()