import { describe, it, expect } from 'vitest';
import { Command } from 'commander';
import { registerMemoryCommand } from './cli.js';

/**
 * Smoke test — only verifies command wiring.
 * Does NOT open a database connection.
 */
describe('registerMemoryCommand', () => {
  function buildProgram(): Command {
    const program = new Command('mosaic');
    program.exitOverride(); // prevent process.exit during tests
    registerMemoryCommand(program);
    return program;
  }

  it('registers a "memory" subcommand', () => {
    const program = buildProgram();
    const memory = program.commands.find((c) => c.name() === 'memory');
    expect(memory).toBeDefined();
  });

  it('registers "memory search"', () => {
    const program = buildProgram();
    const memory = program.commands.find((c) => c.name() === 'memory')!;
    const search = memory.commands.find((c) => c.name() === 'search');
    expect(search).toBeDefined();
  });

  it('registers "memory stats"', () => {
    const program = buildProgram();
    const memory = program.commands.find((c) => c.name() === 'memory')!;
    const stats = memory.commands.find((c) => c.name() === 'stats');
    expect(stats).toBeDefined();
  });

  it('registers "memory insights list"', () => {
    const program = buildProgram();
    const memory = program.commands.find((c) => c.name() === 'memory')!;
    const insights = memory.commands.find((c) => c.name() === 'insights');
    expect(insights).toBeDefined();
    const list = insights!.commands.find((c) => c.name() === 'list');
    expect(list).toBeDefined();
  });

  it('registers "memory preferences list"', () => {
    const program = buildProgram();
    const memory = program.commands.find((c) => c.name() === 'memory')!;
    const preferences = memory.commands.find((c) => c.name() === 'preferences');
    expect(preferences).toBeDefined();
    const list = preferences!.commands.find((c) => c.name() === 'list');
    expect(list).toBeDefined();
  });

  it('"memory search" has --limit and --agent options', () => {
    const program = buildProgram();
    const memory = program.commands.find((c) => c.name() === 'memory')!;
    const search = memory.commands.find((c) => c.name() === 'search')!;
    const optNames = search.options.map((o) => o.long);
    expect(optNames).toContain('--limit');
    expect(optNames).toContain('--agent');
  });
});