import { describe, expect, test, mock } from 'bun:test';

/**
 * A store failure must not lose the reading.
 *
 * These were one `try` block until 2026-08-18, so an install that had not run `db:push` had no
 * `ai_provider_usage` table, the upsert threw, and the panel rendered "Not signed in" over an account that
 * was signed in perfectly well. Observed on this machine, not reasoned about.
 */
const READING = {
  account: { email: 'owner@example.com', plan: 'Max 20x' },
  limits: [{ label: 'Session', percent: 21, resetsAt: '2026-08-18T08:00:00Z' }],
  days: [{ date: '2026-08-18', tokens: 100 }],
  models: [{ name: 'Opus 5', total: 100, input: 1, output: 1, cacheRead: 1, cacheWrite: 1 }],
  fetchedAt: '2026-08-18T05:00:00.000Z',
};

mock.module('./claude-usage', () => ({
  readClaudeUsage: async () => READING,
  readAccountEmail: async () => READING.account.email,
}));

mock.module('officerdb', () => ({
  recordProviderUsage: async () => {
    throw new Error('relation "ai_provider_usage" does not exist');
  },
  listProviderUsage: async () => {
    throw new Error('relation "ai_provider_usage" does not exist');
  },
}));

const { snapshotClaudeUsage, listStoredUsage } = await import('./usage-store');

describe('a missing ai_provider_usage table', () => {
  test('does not stop the signed-in account from being reported', () => {
    return snapshotClaudeUsage(1).then((account) => {
      expect(account).not.toBeNull();
      expect(account!.email).toBe('owner@example.com');
      expect(account!.plan).toBe('Max 20x');
      expect(account!.limits).toHaveLength(1);
      expect(account!.current).toBe(true);
    });
  });

  test('degrades the stored list to empty rather than throwing', () => {
    return listStoredUsage(1, 'owner@example.com').then((rows) => expect(rows).toEqual([]));
  });
});