import { describe, expect, it } from "vitest";
import fs from "node:fs";
import path from "node:path";

const DOM_HOST_SOURCE = path.join(process.cwd(), "src/components/sidebar/tree-shell-dom-host.tsx");
const SIDEBAR_SOURCE = path.join(process.cwd(), "src/components/sidebar/sidebar.tsx");
const SSR_LAYOUT_SOURCE = path.join(process.cwd(), "..", "rust/crates/mnote-web/src/ssr/pages/layout.rs");

describe("sidebar filetree DnD modifier source", () => {
  it("copy modifier 应同时支持 Alt / Ctrl / Meta", () => {
    const domHost = fs.readFileSync(DOM_HOST_SOURCE, "utf8");
    const ssrLayout = fs.readFileSync(SSR_LAYOUT_SOURCE, "utf8");

    expect(domHost).toContain('event.altKey || event.ctrlKey || event.metaKey ? "copy" : "move"');
    expect(domHost).toContain("const copy = Boolean(event.altKey || event.ctrlKey || event.metaKey)");
    expect(ssrLayout).toContain("var copyModifier = event.altKey || event.ctrlKey || event.metaKey");
    expect(ssrLayout).toContain("copy: event.altKey === true || event.ctrlKey === true || event.metaKey === true");
  });

  it("命名冲突 preflight 必须确认后才执行 drop", () => {
    const source = fs.readFileSync(SIDEBAR_SOURCE, "utf8");
    expect(source).toContain("function confirmFileTreeDropConflicts");
    expect(source).toContain("plan.requiresConfirmation");
    expect(source).toContain("目标位置已有同名对象，是否继续移动/复制？");
    expect(source).toContain("if (!confirmFileTreeDropConflicts(dropPlan))");
  });
});