import { describe, expect, it, vi } from 'vitest';

import { runQueueCli, type QueueCliDependencies, type QueueRepository } from '../src/cli.js';
import type { Task } from '@mosaic/types';

function createRepositoryMock(): QueueRepository {
  return {
    create: vi.fn(() =>
      Promise.resolve<Task>({
      id: 'MQ-005',
      project: 'queue',
      mission: 'phase1',
      taskId: 'MQ-005',
      title: 'Build CLI',
      status: 'pending',
      priority: 'medium',
      dependencies: [],
      lane: 'any',
      retryCount: 0,
      createdAt: 1,
      updatedAt: 1,
    }),
    ),
    list: vi.fn(() => Promise.resolve([])),
    get: vi.fn(() => Promise.resolve(null)),
    claim: vi.fn(() =>
      Promise.resolve<Task>({
      id: 'MQ-005',
      project: 'queue',
      mission: 'phase1',
      taskId: 'MQ-005',
      title: 'Build CLI',
      status: 'claimed',
      priority: 'medium',
      dependencies: [],
      lane: 'any',
      claimedBy: 'agent-a',
      claimedAt: 2,
      claimTTL: 60,
      retryCount: 0,
      createdAt: 1,
      updatedAt: 2,
    }),
    ),
    release: vi.fn(() =>
      Promise.resolve<Task>({
      id: 'MQ-005',
      project: 'queue',
      mission: 'phase1',
      taskId: 'MQ-005',
      title: 'Build CLI',
      status: 'pending',
      priority: 'medium',
      dependencies: [],
      lane: 'any',
      retryCount: 0,
      createdAt: 1,
      updatedAt: 3,
    }),
    ),
    complete: vi.fn(() =>
      Promise.resolve<Task>({
      id: 'MQ-005',
      project: 'queue',
      mission: 'phase1',
      taskId: 'MQ-005',
      title: 'Build CLI',
      status: 'completed',
      priority: 'medium',
      dependencies: [],
      lane: 'any',
      completionSummary: 'done',
      retryCount: 0,
      createdAt: 1,
      updatedAt: 4,
      completedAt: 4,
    }),
    ),
  };
}

function createDependencies(
  repository: QueueRepository,
): QueueCliDependencies & { outputs: string[]; errors: string[] } {
  const outputs: string[] = [];
  const errors: string[] = [];
  const close = vi.fn(() => Promise.resolve(undefined));

  return {
    openSession: () =>
      Promise.resolve({
        repository,
        close,
      }),
    stdout: (line) => {
      outputs.push(line);
    },
    stderr: (line) => {
      errors.push(line);
    },
    outputs,
    errors,
  };
}

describe('runQueueCli', () => {
  it('creates a task from command options', async () => {
    const repository = createRepositoryMock();
    const dependencies = createDependencies(repository);

    const exitCode = await runQueueCli(
      [
        'node',
        'mosaic',
        'queue',
        'create',
        'queue',
        'phase1',
        'MQ-005',
        '--title',
        'Build CLI',
        '--priority',
        'high',
        '--lane',
        'coding',
        '--dependency',
        'MQ-002',
        'MQ-003',
      ],
      dependencies,
    );

    expect(exitCode).toBe(0);
    expect(repository.create).toHaveBeenCalledWith({
      project: 'queue',
      mission: 'phase1',
      taskId: 'MQ-005',
      title: 'Build CLI',
      description: undefined,
      priority: 'high',
      dependencies: ['MQ-002', 'MQ-003'],
      lane: 'coding',
    });
  });

  it('lists tasks with filters', async () => {
    const repository = createRepositoryMock();
    const dependencies = createDependencies(repository);

    const exitCode = await runQueueCli(
      [
        'node',
        'mosaic',
        'queue',
        'list',
        '--project',
        'queue',
        '--mission',
        'phase1',
        '--status',
        'pending',
      ],
      dependencies,
    );

    expect(exitCode).toBe(0);
    expect(repository.list).toHaveBeenCalledWith({
      project: 'queue',
      mission: 'phase1',
      status: 'pending',
    });
  });

  it('claims and completes tasks with typed options', async () => {
    const repository = createRepositoryMock();
    const dependencies = createDependencies(repository);

    const claimExitCode = await runQueueCli(
      [
        'node',
        'mosaic',
        'queue',
        'claim',
        'MQ-005',
        '--agent',
        'agent-a',
        '--ttl',
        '60',
      ],
      dependencies,
    );

    const completeExitCode = await runQueueCli(
      [
        'node',
        'mosaic',
        'queue',
        'complete',
        'MQ-005',
        '--agent',
        'agent-a',
        '--summary',
        'done',
      ],
      dependencies,
    );

    expect(claimExitCode).toBe(0);
    expect(completeExitCode).toBe(0);
    expect(repository.claim).toHaveBeenCalledWith('MQ-005', {
      agentId: 'agent-a',
      ttlSeconds: 60,
    });
    expect(repository.complete).toHaveBeenCalledWith('MQ-005', {
      agentId: 'agent-a',
      summary: 'done',
    });
  });
});