import { describe, expect, it } from "vitest";
import {
  buildInspectorEmptyStateMessage,
  buildKeyBrowserEmptyStateMessage,
  buildKeyBrowserStatusMessage,
  resolveKeyBrowserSearchState,
} from "./key-browser-search";

describe("key browser search helpers", () => {
  it("classifies blank, contains, and wildcard search input", () => {
    expect(resolveKeyBrowserSearchState("   ")).toEqual({
      trimmedQuery: "",
      requestPattern: null,
      mode: "all",
    });

    expect(resolveKeyBrowserSearchState(" smoke ")).toEqual({
      trimmedQuery: "smoke",
      requestPattern: "*smoke*",
      mode: "contains",
    });

    expect(resolveKeyBrowserSearchState("smoke:*")).toEqual({
      trimmedQuery: "smoke:*",
      requestPattern: "smoke:*",
      mode: "pattern",
    });
  });

  it("builds a stable status message for visible counts and load state", () => {
    expect(
      buildKeyBrowserStatusMessage({
        databaseLabel: "db0",
        visibleCount: 7,
        hasMore: true,
        isLoading: false,
        search: resolveKeyBrowserSearchState("smoke"),
      }),
    ).toBe('7+ keys visible for contains search "smoke" in db0.');

    expect(
      buildKeyBrowserStatusMessage({
        databaseLabel: "db3",
        visibleCount: 0,
        hasMore: false,
        isLoading: true,
        search: resolveKeyBrowserSearchState("smoke:*"),
      }),
    ).toBe('Searching db3 for "smoke:*".');
  });

  it("builds browser empty-state copy for blank and filtered results", () => {
    expect(
      buildKeyBrowserEmptyStateMessage({
        databaseLabel: "db0",
        isLoading: false,
        search: resolveKeyBrowserSearchState(""),
      }),
    ).toBe("No keys are visible in db0 yet.");

    expect(
      buildKeyBrowserEmptyStateMessage({
        databaseLabel: "db2",
        isLoading: false,
        search: resolveKeyBrowserSearchState("audit:*"),
      }),
    ).toBe('No keys match "audit:*" in db2.');
  });

  it("keeps inspector empty-state guidance aligned with browser search state", () => {
    expect(
      buildInspectorEmptyStateMessage("db1", resolveKeyBrowserSearchState("")),
    ).toBe(
      "No keys are visible in db1 yet. Browse another database or refresh after data arrives.",
    );

    expect(
      buildInspectorEmptyStateMessage("db4", resolveKeyBrowserSearchState("jobs")),
    ).toBe(
      'No keys match "jobs" in db4. Clear or adjust the search to restore an inspector target.',
    );
  });
});