#!/usr/bin/env node
// S3: admin access-scopes SoT = directory_grants (full grant table), same as access-policy.
// Requires mnote-web with MNOTE_WEB_ALLOW_DEV_FIXTURES=1.

"use strict";

const fs = require("node:fs");
const os = require("node:os");
const path = require("node:path");

const BASE = process.env.MNOTE_S3_BASE || process.env.MNOTE_PI_LAB_BASE || "http://127.0.0.1:3017";
const ACTOR_ID = process.env.MNOTE_S3_ACTOR_ID || "s3-grants-admin";
const OTHER_ID = process.env.MNOTE_S3_OTHER_ID || "s3-grants-other-user";
const AUTH = process.env.MNOTE_S3_AUTH || "Bearer s3-grants";
const ROOT =
  process.env.MNOTE_S3_ROOT ||
  fs.mkdtempSync(path.join(os.tmpdir(), "mnote-s3-grants-"));
const OTHER_ROOT =
  process.env.MNOTE_S3_OTHER_ROOT ||
  fs.mkdtempSync(path.join(os.tmpdir(), "mnote-s3-grants-other-"));

function assert(condition, message) {
  if (!condition) throw new Error(message);
}

async function fetchJson(url, options = {}) {
  const headers = {
    "Content-Type": "application/json",
    Authorization: AUTH,
    "x-mnote-actor-id": ACTOR_ID,
    "x-mnote-actor-type": "admin",
    ...(options.headers || {}),
  };
  const res = await fetch(url, { ...options, headers });
  const text = await res.text();
  let body = {};
  try {
    body = text ? JSON.parse(text) : {};
  } catch {
    body = { raw: text };
  }
  return { status: res.status, body };
}

async function seed() {
  const seed = await fetchJson(`${BASE}/api/dev/seed`, {
    method: "POST",
    body: JSON.stringify({
      seeds: [
        {
          kind: "setupWorkspace",
          user_id: ACTOR_ID,
          email: `${ACTOR_ID}@example.com`,
          username: ACTOR_ID,
          display_name: ACTOR_ID,
          role: "admin",
          password: process.env.MNOTE_E2E_PASSWORD || "MnoteE2E123!",
          workspace_id: `local-ws:${ACTOR_ID}:s3`,
          workspace_name: "S3 grants admin",
          root_uri: `file://${ROOT}`,
          root_path: ROOT,
          source_kind: "local_folder",
          permission: "write",
          capabilities: ["ai"],
          grant_source: "s3_grants_smoke",
          grant_created_by: ACTOR_ID,
        },
        {
          kind: "setupWorkspace",
          user_id: OTHER_ID,
          email: `${OTHER_ID}@example.com`,
          username: OTHER_ID,
          display_name: OTHER_ID,
          role: "user",
          password: process.env.MNOTE_E2E_PASSWORD || "MnoteE2E123!",
          workspace_id: `local-ws:${OTHER_ID}:s3`,
          workspace_name: "S3 grants other",
          root_uri: `file://${OTHER_ROOT}`,
          root_path: OTHER_ROOT,
          source_kind: "local_folder",
          permission: "write",
          capabilities: ["ai"],
          grant_source: "s3_grants_smoke_other",
          grant_created_by: ACTOR_ID,
        },
      ],
    }),
  });
  if (seed.status === 403 && seed.body && seed.body.code === "dev_seed_disabled") {
    throw new Error(
      "S3 smoke 需要 /api/dev/seed；请以 MNOTE_WEB_ALLOW_DEV_FIXTURES=1 启动 mnote-web。",
    );
  }
  assert(
    seed.status === 200 && seed.body.ok === true,
    `/api/dev/seed failed: ${seed.status} ${JSON.stringify(seed.body)}`,
  );
}

function rootUris(allowedRoots) {
  return (Array.isArray(allowedRoots) ? allowedRoots : [])
    .map((r) => String(r.rootUri || r.root_uri || ""))
    .filter(Boolean);
}

function userIds(allowedRoots) {
  return (Array.isArray(allowedRoots) ? allowedRoots : [])
    .map((r) => String(r.userId || r.user_id || ""))
    .filter(Boolean);
}

async function main() {
  fs.mkdirSync(ROOT, { recursive: true });
  fs.mkdirSync(OTHER_ROOT, { recursive: true });
  fs.writeFileSync(path.join(ROOT, "s3.md"), "# S3 grants\n", "utf8");
  fs.writeFileSync(path.join(OTHER_ROOT, "other.md"), "# other\n", "utf8");

  console.log(`\n🧪 S3 directory grants ≡ allowed roots (base=${BASE})\n`);

  await seed();

  const adminScopes = await fetchJson(`${BASE}/api/ai-admin/access-scopes`);
  assert(
    adminScopes.status === 200,
    `admin access-scopes: ${adminScopes.status} ${JSON.stringify(adminScopes.body)}`,
  );
  assert(
    String(adminScopes.body.sourceOfTruth || adminScopes.body.source_of_truth) === "directory_grants",
    `sourceOfTruth expected directory_grants, got ${adminScopes.body.sourceOfTruth}`,
  );
  const adminUris = rootUris(adminScopes.body.allowedRoots || adminScopes.body.allowed_roots);
  const adminUsers = userIds(adminScopes.body.allowedRoots || adminScopes.body.allowed_roots);
  console.log(`  admin scopes: ${adminUris.length} roots, users=${[...new Set(adminUsers)].join(",")}`);

  // Admin SoT must include both admin actor grant and other user's grant (full table).
  assert(
    adminUris.some((u) => u.includes(ROOT) || u === `file://${ROOT}`),
    `admin scopes missing admin root: ${JSON.stringify(adminUris)}`,
  );
  assert(
    adminUris.some((u) => u.includes(OTHER_ROOT) || u === `file://${OTHER_ROOT}`),
    `admin scopes missing OTHER user grant (must be full grant table, not actor-scoped): ${JSON.stringify(adminUris)}`,
  );
  assert(
    adminUsers.includes(OTHER_ID) || adminUsers.some((u) => u.includes("s3-grants-other")),
    `admin scopes should list other user_id: ${JSON.stringify(adminUsers)}`,
  );

  // User-facing scopes for admin actor should be actor-scoped (own grants only).
  const userScopes = await fetchJson(`${BASE}/api/ai-settings/access-scopes`);
  assert(userScopes.status === 200, `user access-scopes: ${userScopes.status}`);
  assert(
    String(userScopes.body.sourceOfTruth || userScopes.body.source_of_truth) === "directory_grants",
    `user sourceOfTruth expected directory_grants`,
  );
  const userUris = rootUris(userScopes.body.allowedRoots || userScopes.body.allowed_roots);
  assert(
    userUris.some((u) => u.includes(ROOT) || u === `file://${ROOT}`),
    `user scopes missing own root`,
  );
  // Own actor scopes should not include unrelated other-root as "mine" identity —
  // but if system seeds extra grants for admin, still require admin endpoint ≥ user endpoint.
  assert(
    adminUris.length >= userUris.length,
    `admin full table (${adminUris.length}) should cover at least actor scopes (${userUris.length})`,
  );
  console.log(`  user (actor) scopes: ${userUris.length}; admin full: ${adminUris.length}`);

  // Effective also declares directory_grants SoT.
  const effective = await fetchJson(`${BASE}/api/ai-settings/effective`);
  assert(effective.status === 200, `effective: ${effective.status}`);
  assert(
    String(effective.body.sourceOfTruth || effective.body.source_of_truth) === "directory_grants",
    `effective sourceOfTruth: ${effective.body.sourceOfTruth}`,
  );
  console.log("  effective.sourceOfTruth=directory_grants");

  console.log("\n✅ S3 directory grants ≡ allowed roots smoke passed\n");
}

main().catch((err) => {
  console.error("\n❌ S3 smoke failed:", err.message || err);
  process.exit(1);
});