import assert from 'node:assert/strict';
import test from 'node:test';
import {
  createMindSpaceService,
  DEFAULT_SPACE_QUOTA_BYTES,
  ensureDefaultSpaces,
  initializeDefaultSpace,
  SYSTEM_CATEGORIES,
} from './mindspace.mjs';

test('initializeDefaultSpace creates one space and all system categories', async () => {
  const queries = [];
  let id = 0;
  const db = {
    async query(sql, params) {
      queries.push({ sql, params });
      if (sql.includes('SELECT id FROM h5_user_spaces')) {
        return [[{ id: 'space-1' }]];
      }
      return [[]];
    },
  };

  const spaceId = await initializeDefaultSpace(db, 'user-1', {
    now: 123,
    idFactory: () => `id-${++id}`,
  });

  assert.equal(spaceId, 'space-1');
  assert.equal(queries.length, SYSTEM_CATEGORIES.length + 2);
  assert.equal(queries[0].params[3], DEFAULT_SPACE_QUOTA_BYTES);
  assert.deepEqual(
    queries
      .filter(({ sql }) => sql.includes('INSERT INTO h5_space_categories'))
      .map(({ params }) => params[3]),
    ['oa', 'private', 'public', 'draft', 'archive'],
  );
});

test('ensureDefaultSpaces backfills only users without a space', async () => {
  let selectedMissingUsers = false;
  const createdFor = [];
  const pool = {
    async query(sql, params) {
      if (sql.includes('LEFT JOIN h5_user_spaces')) {
        selectedMissingUsers = true;
        return [[{ id: 'user-a' }, { id: 'user-b' }]];
      }
      if (sql.includes('INSERT INTO h5_user_spaces')) {
        createdFor.push(params[1]);
        return [[]];
      }
      if (sql.includes('SELECT id FROM h5_user_spaces')) {
        return [[{ id: `space-${params[0]}` }]];
      }
      return [[]];
    },
  };

  const count = await ensureDefaultSpaces(pool, {
    idFactory: () => 'generated-id',
  });

  assert.equal(selectedMissingUsers, true);
  assert.equal(count, 2);
  assert.deepEqual(createdFor, ['user-a', 'user-b']);
});

test('getSpace scopes space and categories to the authenticated user', async () => {
  const calls = [];
  const pool = {
    async query(sql, params) {
      calls.push({ sql, params });
      if (sql.includes('FROM h5_user_spaces')) {
        return [[{
          id: 'space-1',
          user_id: 'user-1',
          space_name: '我的空间',
          quota_bytes: 5 * 1024 * 1024,
          used_bytes: 1024,
          reserved_bytes: 2048,
          status: 'active',
          created_at: 10,
          updated_at: 20,
        }]];
      }
      return [[{
        id: 'category-1',
        category_code: 'private',
        category_name: '私人区',
        visibility_policy: 'private',
        ai_access_policy: 'explicit_asset_grant',
        publish_policy: 'desensitized_copy_only',
        is_system: 1,
        sort_order: 20,
        item_count: 0,
      }]];
    },
  };

  const service = createMindSpaceService(pool);
  const space = await service.getSpace('user-1');

  assert.equal(space.userId, 'user-1');
  assert.equal(space.quota.availableBytes, 5 * 1024 * 1024 - 3072);
  assert.equal(space.categories[0].code, 'private');
  assert.deepEqual(calls[0].params, ['user-1']);
  assert.deepEqual(calls[1].params, ['user-1', 'space-1']);
});

test('getSpace returns null when the user has no space', async () => {
  const service = createMindSpaceService({
    async query() {
      return [[]];
    },
  });

  assert.equal(await service.getSpace('missing-user'), null);
  assert.equal(await service.getQuota('missing-user'), null);
  assert.equal(await service.listCategories('missing-user'), null);
});