import { describe, it, expect } from 'vitest';
import { buildSlackPayload } from './slack.js';
import type { NotificationEvent } from './types.js';

const base: NotificationEvent = {
  event: 'succeeded',
  taskId: 42,
  taskTitle: 'Ship the widget',
  pieceName: 'chat',
  spaceName: 'Acme Workspace',
  taskUrl: 'https://maestro.example.com/?page=spaces&space=s1&chat=42',
  includeDetails: true,
};

describe('buildSlackPayload', () => {
  it('includeDetails=true: blocks carry title, piece, workspace, task id, and link', () => {
    const payload = buildSlackPayload(base);
    expect(payload.text).toContain('Ship the widget');
    expect(payload.text).toContain('タスク完了');
    const json = JSON.stringify(payload.blocks);
    expect(json).toContain('Ship the widget');
    expect(json).toContain(base.taskUrl);
    expect(json).toContain('chat');
    expect(json).toContain('Acme Workspace');
    expect(json).toContain('42');
  });

  it('includeDetails=false: omits task title, piece name, and workspace name', () => {
    const payload = buildSlackPayload({ ...base, includeDetails: false });
    expect(payload.text).not.toContain('Ship the widget');
    expect(payload.text).toContain('#42');
    // Serialized form must not leak the detailed fields either.
    const json = JSON.stringify(payload);
    expect(json).not.toContain('Ship the widget');
    expect(json).not.toContain('Acme Workspace');
    expect(json).not.toContain('*Piece:*');
  });

  it('uses a distinct emoji per event kind', () => {
    const succeeded = buildSlackPayload({ ...base, event: 'succeeded' });
    const failed = buildSlackPayload({ ...base, event: 'failed' });
    const waiting = buildSlackPayload({ ...base, event: 'waiting_human' });
    expect(succeeded.text).toContain('✅');
    expect(failed.text).toContain('❌');
    expect(waiting.text).toContain('❓');
  });

  it('handles an empty taskUrl gracefully (no link markup)', () => {
    const payload = buildSlackPayload({ ...base, taskUrl: '' });
    const json = JSON.stringify(payload);
    expect(json).not.toContain('<|');
    expect(json).not.toContain('undefined');
  });
});