// Node match tests cover node selection from names, ids, and address hints.
import { describe, expect, it } from "vitest";
import { normalizeNodeKey, resolveNodeIdFromCandidates } from "./node-match.js";

describe("shared/node-match", () => {
  it("normalizes node keys by lowercasing and collapsing separators", () => {
    expect(normalizeNodeKey(" Mac Studio! ")).toBe("mac-studio");
    expect(normalizeNodeKey("---PI__Node---")).toBe("pi-node");
    expect(normalizeNodeKey("工作站 01")).toBe("工作站-01");
    expect(normalizeNodeKey("Cafe\u0301 01")).toBe("café-01");
    expect(normalizeNodeKey("किताब")).toBe("किताब");
    expect(normalizeNodeKey("Mac ❤️ Studio")).toBe("mac-studio");
    expect(normalizeNodeKey("Node 1️⃣")).toBe("node-1");
    expect(normalizeNodeKey("❤️")).toBe("");
    expect(normalizeNodeKey("###")).toBe("");
  });

  it("resolves unique matches and prefers a unique connected node", () => {
    expect(
      resolveNodeIdFromCandidates(
        [
          { nodeId: "ios-old", displayName: "iPhone", connected: false },
          { nodeId: "ios-live", displayName: "iPhone", connected: true },
        ],
        "iphone",
      ),
    ).toBe("ios-live");
  });

  it("prefers the strongest match type before client heuristics", () => {
    expect(
      resolveNodeIdFromCandidates(
        [
          { nodeId: "mac-studio", displayName: "Other Node", connected: false },
          { nodeId: "mac-2", displayName: "Mac Studio", connected: true },
        ],
        "mac-studio",
      ),
    ).toBe("mac-studio");
  });

  it("prefers a unique current OpenClaw client over a legacy clawdbot client", () => {
    expect(
      resolveNodeIdFromCandidates(
        [
          {
            nodeId: "legacy-mac",
            displayName: "Peter’s Mac Studio",
            clientId: "clawdbot-macos",
            connected: false,
          },
          {
            nodeId: "current-mac",
            displayName: "Peter’s Mac Studio",
            clientId: "openclaw-macos",
            connected: false,
          },
        ],
        "Peter's Mac Studio",
      ),
    ).toBe("current-mac");
  });

  it("falls back to raw ambiguous matches when none of them are connected", () => {
    expect(() =>
      resolveNodeIdFromCandidates(
        [
          { nodeId: "ios-a", displayName: "iPhone", connected: false },
          { nodeId: "ios-b", displayName: "iPhone", connected: false },
        ],
        "iphone",
      ),
    ).toThrow(/ambiguous node: iphone.*node=ios-a.*node=ios-b/);
  });

  it("throws clear unknown and ambiguous node errors", () => {
    expect(() =>
      resolveNodeIdFromCandidates(
        [
          { nodeId: "mac-123", displayName: "Mac Studio", remoteIp: "100.0.0.1" },
          { nodeId: "pi-456" },
        ],
        "nope",
      ),
    ).toThrow(/unknown node: nope.*known: Mac Studio, pi-456/);

    expect(() =>
      resolveNodeIdFromCandidates(
        [
          { nodeId: "ios-a", displayName: "iPhone", connected: true },
          { nodeId: "ios-b", displayName: "iPhone", connected: true },
        ],
        "iphone",
      ),
    ).toThrow(/ambiguous node: iphone.*node=ios-a.*node=ios-b/);

    expect(() => resolveNodeIdFromCandidates([], "")).toThrow(/node required/);
  });

  it("prints client ids in ambiguous-node errors when available", () => {
    expect(() =>
      resolveNodeIdFromCandidates(
        [
          {
            nodeId: "legacy-mac",
            displayName: "Peter’s Mac Studio",
            clientId: "clawdbot-macos",
            connected: true,
          },
          {
            nodeId: "other-mac",
            displayName: "Peter’s Mac Studio",
            clientId: "openclaw-macos",
            connected: true,
          },
          {
            nodeId: "third-mac",
            displayName: "Peter’s Mac Studio",
            clientId: "openclaw-macos",
            connected: true,
          },
        ],
        "Peter's Mac Studio",
      ),
    ).toThrow(
      /ambiguous node: Peter's Mac Studio.*node=other-mac.*client=openclaw-macos.*node=third-mac.*client=openclaw-macos/,
    );
  });

  it("lists remote ips in unknown-node errors when display names are missing", () => {
    expect(() =>
      resolveNodeIdFromCandidates(
        [{ nodeId: "mac-123", remoteIp: "100.0.0.1" }, { nodeId: "pi-456" }],
        "nope",
      ),
    ).toThrow(/unknown node: nope.*known: 100.0.0.1, pi-456/);
  });

  it("matches Unicode names without letting punctuation select them", () => {
    const nodes = [
      { nodeId: "cn-desktop", displayName: "工作站" },
      { nodeId: "cn-laptop", displayName: "笔记本" },
    ];
    expect(resolveNodeIdFromCandidates(nodes, "工作站")).toBe("cn-desktop");
    expect(() => resolveNodeIdFromCandidates(nodes, "###")).toThrow(/unknown node: ###/);
  });

  it("preserves combining marks that distinguish Unicode display names", () => {
    const nodes = [
      { nodeId: "hi-short-i", displayName: "किताब" },
      { nodeId: "hi-short-u", displayName: "कुताब" },
    ];
    expect(resolveNodeIdFromCandidates(nodes, "किताब")).toBe("hi-short-i");
    expect(resolveNodeIdFromCandidates(nodes, "कुताब")).toBe("hi-short-u");
  });

  it("ignores emoji decoration marks during display-name matching", () => {
    const nodes = [
      { nodeId: "heart", displayName: "Mac ❤️ Studio" },
      { nodeId: "keycap", displayName: "Node 1️⃣" },
    ];
    expect(resolveNodeIdFromCandidates(nodes, "Mac Studio")).toBe("heart");
    expect(resolveNodeIdFromCandidates(nodes, "Node 1")).toBe("keycap");
  });

  it("keeps compact display-name selectors below exact name matches", () => {
    const nodes = [
      { nodeId: "mac-compact", displayName: "Mac Studio" },
      { nodeId: "mac-exact", displayName: "MacStudio" },
      { nodeId: "cafe-compact", displayName: "Cafe\u0301 01" },
      { nodeId: "cafe-exact", displayName: "Cafe\u030101" },
    ];
    expect(resolveNodeIdFromCandidates(nodes, "MacStudio", true)).toBe("mac-exact");
    expect(resolveNodeIdFromCandidates([nodes[0]!, nodes[2]!], "MacStudio", true)).toBe(
      "mac-compact",
    );
    expect(resolveNodeIdFromCandidates([nodes[2]!, nodes[3]!], "Café01", true)).toBe("cafe-exact");
    expect(resolveNodeIdFromCandidates([nodes[2]!], "Café01", true)).toBe("cafe-compact");
  });

  it("requires callers to opt in to compact display-name selectors", () => {
    const nodes = [{ nodeId: "mac-compact", displayName: "Mac Studio" }];
    expect(() => resolveNodeIdFromCandidates(nodes, "MacStudio")).toThrow(
      /unknown node: MacStudio/,
    );
    expect(resolveNodeIdFromCandidates(nodes, "MacStudio", true)).toBe("mac-compact");
  });
});