import assert from "node:assert/strict";
import { mkdtempSync, mkdirSync, writeFileSync, rmSync, symlinkSync } from "node:fs";
import os from "node:os";
import path from "node:path";
import test from "node:test";
import { fullLocalSpecFiles, verifyFullLocalDiscovery } from "../verify-full-local-discovery.mjs";

function fixture(context) {
  const root = mkdtempSync(path.join(os.tmpdir(), "hyb-discovery-test-"));
  context.after(() => rmSync(root, { recursive: true, force: true }));
  const files = ["pwa-cross-version-upgrade.spec.ts", "nested/ordinary.test.ts", "live-smoke.spec.ts", "manual/private.spec.ts"];
  for (const file of files) {
    const target = path.join(root, "client/tests/e2e", file);
    mkdirSync(path.dirname(target), { recursive: true });
    writeFileSync(target, "");
  }
  return root;
}

function report(files) {
  return {
    errors: [],
    suites: files.map((file, index) => ({ file, specs: [{ file, id: `case-${index}`, title: `case ${index}`, line: 1, tests: [{ projectName: "" }] }] })),
  };
}

test("归属来自源码：包含专用输入和 live 名称，不包含 manual", (context) => {
  const root = fixture(context);
  const files = fullLocalSpecFiles(root);
  assert.equal(files.length, 3);
  assert.ok(files.some((file) => file.endsWith("pwa-cross-version-upgrade.spec.ts")));
  assert.ok(files.some((file) => file.endsWith("live-smoke.spec.ts")));
  const summary = verifyFullLocalDiscovery(root, report(files));
  assert.equal(summary.status, "PASS");
  assert.equal(summary.kind, "FULL_LOCAL_DISCOVERY_ONLY");
  assert.equal(summary.cases.length, 3);
});

test("只报 manifest 子集或排除 PWA 必须失败", (context) => {
  const root = fixture(context);
  const files = fullLocalSpecFiles(root).filter((file) => !file.includes("pwa-cross-version"));
  const summary = verifyFullLocalDiscovery(root, report(files));
  assert.equal(summary.status, "FAIL");
  assert.deepEqual(summary.missingSpecs, ["client/tests/e2e/pwa-cross-version-upgrade.spec.ts"]);
});

test("新增非 manual 文件不能被旧清单遗漏", (context) => {
  const root = fixture(context);
  const original = report(fullLocalSpecFiles(root));
  writeFileSync(path.join(root, "client/tests/e2e/newly-added.spec.ts"), "");
  assert.deepEqual(verifyFullLocalDiscovery(root, original).missingSpecs, ["client/tests/e2e/newly-added.spec.ts"]);
});

test("完整文件集合也不能掩盖收集错误或零用例", (context) => {
  const root = fixture(context);
  const failed = report(fullLocalSpecFiles(root));
  failed.errors.push({ message: "PWA_BUILD_A_DIR_missing" });
  assert.ok(verifyFullLocalDiscovery(root, failed).issues.includes("discovery_errors"));
  failed.errors = [];
  failed.suites[0].specs[0].tests = [];
  assert.ok(verifyFullLocalDiscovery(root, failed).issues.includes("spec_without_cases"));
  assert.equal(verifyFullLocalDiscovery(root, {}).status, "FAIL");
});

test("manual、未知或越界来源不能冒充完整集合", (context) => {
  const root = fixture(context);
  for (const extra of ["manual/private.spec.ts", "unknown.spec.ts", "../../../outside.spec.ts"]) {
    const summary = verifyFullLocalDiscovery(root, report([...fullLocalSpecFiles(root), extra]));
    assert.equal(summary.status, "FAIL");
    assert.ok(summary.issues.includes("unexpected_specs"));
  }
});

test("支持 Playwright 的根相对、测试目录相对与绝对文件来源", (context) => {
  const root = fixture(context);
  const files = fullLocalSpecFiles(root);
  const sources = [files[0].replace(/^client\//u, ""), files[1].replace(/^client\/tests\/e2e\//u, ""), path.join(root, files[2])];
  assert.equal(verifyFullLocalDiscovery(root, report(sources)).status, "PASS");
});

test("符号链接必须有明确归属，不能静默跳过", (context) => {
  const root = fixture(context);
  symlinkSync("live-smoke.spec.ts", path.join(root, "client/tests/e2e/linked.spec.ts"));
  assert.throws(() => fullLocalSpecFiles(root), /explicit_ownership/u);
});