import test from "node:test";
import assert from "node:assert/strict";
import { mkdirSync, mkdtempSync, rmSync, writeFileSync } from "node:fs";
import { tmpdir } from "node:os";
import { join } from "node:path";
import extension, { projectClaudeDirs } from "../claude-plugin-commands.ts";

test("native Markdown slash commands omit author comments before Pi sends them", async () => {
  const root = mkdtempSync(join(tmpdir(), "claude-plugin-commands-"));
  try {
    const prompts = join(root, ".pi", "prompts");
    mkdirSync(prompts, { recursive: true });
    writeFileSync(join(prompts, "comment-regression.md"), "---\ndescription: test\n---\n\n<!-- private author note -->\nDo $ARGUMENTS.\n```html\n<!-- literal -->\n```\n");

    const handlers: Array<(event: any, ctx: any) => Promise<any>> = [];
    extension({ on(event: string, handler: any) { if (event === "input") handlers.push(handler); } } as any);

    let text = "/comment-regression topic";
    for (const handler of handlers) {
      const result = await handler({ source: "interactive", text }, { cwd: root });
      if (result.action === "transform") text = result.text;
    }

    assert.equal(text, "Do topic.\n```html\n<!-- literal -->\n```");
  } finally {
    rmSync(root, { recursive: true, force: true });
  }
});

test("projectClaudeDirs widens discovery to profile projects while keeping cwd first and deduplicated", () => {
  const root = mkdtempSync(join(tmpdir(), "claude-plugin-commands-"));
  try {
    const current = join(root, "current");
    const nestedCwd = join(current, "packages", "app");
    const profiled = join(root, "profiled");
    const currentClaude = join(current, ".claude");
    const profiledClaude = join(profiled, ".claude");

    mkdirSync(join(current, ".git"), { recursive: true });
    mkdirSync(join(currentClaude, "commands"), { recursive: true });
    mkdirSync(nestedCwd, { recursive: true });
    mkdirSync(join(profiled, ".git"), { recursive: true });
    mkdirSync(join(profiledClaude, "skills"), { recursive: true });

    assert.deepEqual(projectClaudeDirs(nestedCwd, [profiled, current]), [currentClaude, profiledClaude]);
  } finally {
    rmSync(root, { recursive: true, force: true });
  }
});