/**
 * @file Tests for node editor reducer - creating nodes with fixed IDs and connecting them
 */
import type { Node } from "../../../types/core";
import { nodeEditorReducer, defaultNodeEditorData } from "./reducer";
import { nodeEditorActions } from "./actions";

describe("NodeEditor reducer - create node with fixed id and connect", () => {
  it("keeps the provided id via ADD_NODE_WITH_ID and allows connection to that id", () => {
    const srcNode: Node = {
      id: "src-1",
      type: "standard",
      position: { x: 100, y: 100 },
      data: { title: "Source" },
    };

    const dstNode: Node = {
      id: "dst-1",
      type: "standard",
      position: { x: 300, y: 100 },
      data: { title: "Target" },
    };

    const s1 = nodeEditorReducer(defaultNodeEditorData, nodeEditorActions.addNodeWithId(srcNode));
    const s2 = nodeEditorReducer(s1, nodeEditorActions.addNodeWithId(dstNode));

    // Sanity: both nodes must exist with the exact ids we provided
    expect(s2.nodes["src-1"]).toBeDefined();
    expect(s2.nodes["dst-1"]).toBeDefined();

    const s3 = nodeEditorReducer(
      s2,
      nodeEditorActions.addConnection({
        fromNodeId: "src-1",
        fromPortId: "output",
        toNodeId: "dst-1",
        toPortId: "input",
      }),
    );

    const connections = Object.values(s3.connections);
    expect(connections.length).toBe(1);
    expect(connections[0].toNodeId).toBe("dst-1");
    // Ensure the destination node id remains resolvable for any downstream lookups
    expect(s3.nodes[connections[0].toNodeId]).toBeDefined();
  });
});