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', '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', 'user-1', 'user-1', 'user-1', 'space-1']);
  assert.match(calls[1].sql, /source_type\s*=\s*'upload'/);
});

test('getSpace includes schedule snapshot when schedule service is available', async () => {
  const pool = {
    async query(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,
        }]];
      }
      if (sql.includes('FROM h5_space_categories')) {
        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,
        }]];
      }
      if (sql.includes('FROM h5_publish_records')) {
        return [[{ public_page_used: 0, monthly_view_used: 0 }]];
      }
      return [[]];
    },
  };
  const scheduleService = {
    async listTodayTodoItems({ userId }) {
      assert.equal(userId, 'user-1');
      return [
        {
          id: 'item-1',
          kind: 'task',
          title: '跟进报价单',
          description: '来自服务号',
          status: 'active',
          startAt: null,
          endAt: null,
          dueAt: Date.UTC(2026, 5, 18, 1, 30, 0),
          allDay: false,
          timezone: 'Asia/Shanghai',
          location: null,
          createdAt: 10,
          updatedAt: 20,
        },
      ];
    },
    async listUpcomingItems({ userId }) {
      assert.equal(userId, 'user-1');
      return [
        {
          id: 'item-2',
          kind: 'event',
          title: '早起跑步',
          description: null,
          status: 'active',
          startAt: Date.UTC(2026, 6, 1, 22, 0, 0),
          endAt: Date.UTC(2026, 6, 1, 22, 30, 0),
          dueAt: null,
          allDay: false,
          timezone: 'Asia/Shanghai',
          location: null,
          createdAt: 11,
          updatedAt: 21,
        },
      ];
    },
    async listUpcomingReminders({ userId }) {
      assert.equal(userId, 'user-1');
      return [
        {
          id: 'rem-1',
          itemId: 'item-2',
          itemTitle: '早起跑步',
          itemKind: 'event',
          itemTimezone: 'Asia/Shanghai',
          itemStartAt: Date.UTC(2026, 6, 1, 22, 0, 0),
          itemEndAt: Date.UTC(2026, 6, 1, 22, 30, 0),
          remindAt: Date.UTC(2026, 6, 1, 21, 55, 0),
          offsetMinutes: 5,
          channel: 'wechat',
          status: 'pending',
        },
      ];
    },
    async listDigestSubscriptions({ userId, digestType, status }) {
      assert.equal(userId, 'user-1');
      assert.equal(digestType, 'todo_day');
      assert.deepEqual(status, ['active', 'locked']);
      return [
        {
          id: 'digest-1',
          hour: 7,
          minute: 0,
          timezone: 'Asia/Shanghai',
          channel: 'wechat',
          status: 'active',
          nextRunAt: Date.UTC(2026, 5, 18, 23, 0, 0),
          lastRunAt: null,
          attempts: 0,
        },
      ];
    },
  };

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

  assert.equal(space.schedule.todayTodoItems[0].title, '跟进报价单');
  assert.equal(space.schedule.upcomingItems[0].title, '早起跑步');
  assert.equal(space.schedule.upcomingReminders[0].itemTitle, '早起跑步');
  assert.equal(space.schedule.digestSubscriptions[0].hour, 7);
});

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);
});