from server.config import ServerSettings
from server.grid import GridManager
from server.models import ActionPayload, ActionType, GridInitRequest


def test_grid_creation_respects_dimensions(default_grid_request):
    settings = ServerSettings(grid_rows=2, grid_cols=2)
    manager = GridManager(settings)
    request = GridInitRequest(**default_grid_request)
    grid = manager.create_grid(request)

    descriptor = grid.describe()
    assert descriptor.grid_id
    assert descriptor.rows == 3
    assert descriptor.columns == 3
    assert len(descriptor.cells) == 9
    assert descriptor.metadata.get("width") == 640
    assert descriptor.metadata.get("height") == 480


def test_grid_action_records_history(default_grid_request):
    manager = GridManager(ServerSettings())
    request = GridInitRequest(**default_grid_request)
    grid = manager.create_grid(request)
    descriptor = grid.describe()
    target_cell = descriptor.cells[0].cell_id

    payload = ActionPayload(
        grid_id=descriptor.grid_id,
        action=ActionType.CLICK,
        target_cell=target_cell,
        comment="click test",
    )
    result = grid.apply_action(payload)

    assert result.success
    assert result.coordinates is not None
    assert grid.action_history[-1]["coordinates"] == result.coordinates


def test_manager_get_grid_missing(default_grid_request):
    manager = GridManager(ServerSettings())
    request = GridInitRequest(**default_grid_request)
    _ = manager.create_grid(request)

    try:
        manager.get_grid("does-not-exist")
        found = True
    except KeyError:
        found = False
    assert not found