import { execFileSync } from "node:child_process";
import fs from "node:fs";
import os from "node:os";
import path from "node:path";
import { afterEach, beforeEach, describe, expect, it } from "vitest";
import { GitProvider } from "./vcs-provider.js";

describe("GitProvider raw path handling", () => {
  let repoRoot: string;
  const provider = new GitProvider();

  beforeEach(() => {
    repoRoot = fs.mkdtempSync(path.join(os.tmpdir(), "agent-workflow-git-paths-"));
    execFileSync("git", ["init"], { cwd: repoRoot, stdio: "ignore" });
    execFileSync("git", ["config", "user.email", "test@example.com"], { cwd: repoRoot });
    execFileSync("git", ["config", "user.name", "Test User"], { cwd: repoRoot });
    fs.mkdirSync(path.join(repoRoot, "中文目录"), { recursive: true });
    fs.writeFileSync(path.join(repoRoot, "中文目录", "已跟踪.txt"), "before\n");
    execFileSync("git", ["add", "."], { cwd: repoRoot });
    execFileSync("git", ["commit", "-m", "initial"], { cwd: repoRoot, stdio: "ignore" });
  });

  afterEach(() => {
    fs.rmSync(repoRoot, { recursive: true, force: true });
  });

  it("matches tracked and untracked Unicode paths against the frozen scope", () => {
    const baseline = provider.captureBaseline(repoRoot);
    fs.writeFileSync(path.join(repoRoot, "中文目录", "已跟踪.txt"), "after\n");
    fs.writeFileSync(path.join(repoRoot, "中文目录", "未跟踪 文件.txt"), "new\n");

    expect(provider.checkFilesInScope(repoRoot, baseline, ["中文目录"])).toEqual([]);
    expect(provider.checkFilesInScope(repoRoot, baseline, ["other"])).toEqual([
      "中文目录/已跟踪.txt",
      "中文目录/未跟踪 文件.txt",
    ]);
    expect(provider.diffFromBaseline(repoRoot, baseline)).toContain("+new");
  });
});