import type { TranscriptTurn } from '../types';
import { userTurnsAsText } from '../utils/conversation-text';

describe('userTurnsAsText', () => {
	it('returns empty string on empty transcript', () => {
		expect(userTurnsAsText([])).toBe('');
	});

	it('returns the lone user message as plain text on single-turn', () => {
		const transcript: TranscriptTurn[] = [
			{ userMessage: 'build a webhook', agentText: 'sure', toolInteractions: [] },
		];
		expect(userTurnsAsText(transcript)).toBe('build a webhook');
	});

	it('numbers user turns on multi-turn and drops empty/agent-only turns', () => {
		const transcript: TranscriptTurn[] = [
			{ userMessage: 'build it', agentText: 'what kind?', toolInteractions: [] },
			{ userMessage: undefined, agentText: 'thinking…', toolInteractions: [] },
			{ userMessage: '', agentText: 'plan emitted', toolInteractions: [] },
			{ userMessage: 'a webhook', agentText: 'done', toolInteractions: [] },
		];
		expect(userTurnsAsText(transcript)).toBe('Turn 1: build it\n\nTurn 2: a webhook');
	});
});