import { describe, expect, it } from 'vitest';
import { initialNote, readVoiceFields, renderNote } from '../src/core/note';
import { NO_SPEECH, type VoiceRecord } from '../src/core/record';

const saved: VoiceRecord = {
  id: '20260927-111503-0000',
  status: 'saved',
  device: 'd1',
  audio: 'voice/source/20260927-111503-0000.m4a',
  mime: 'audio/mp4',
  attempts: 0,
};
const FM =
  '---\n' +
  'voice-id: "20260927-111503-0000"\n' +
  'voice-status: "saved"\n' +
  'voice-device: "d1"\n' +
  'voice-audio: "[[voice/source/20260927-111503-0000.m4a]]"\n' +
  'voice-mime: "audio/mp4"\n' +
  'voice-attempts: 0\n' +
  '---\n';
const REGION = '%%voice-note:20260927-111503-0000%%\n> [!info] Распознаётся…\n%%/voice-note%%\n';

const inserted: VoiceRecord = { ...saved, status: 'inserted' };

describe('initialNote', () => {
  it('builds frontmatter, embed and status region', () => {
    expect(initialNote(saved, 47_000)).toBe(`${FM}![[voice/source/20260927-111503-0000.m4a]]\n\n${REGION}`);
  });

  it('adds interrupted line above the region', () => {
    const note = initialNote({ ...saved, interrupted: true }, 47_000);
    expect(note).toContain('voice-interrupted: true\n---\n');
    expect(note).toContain(
      '![[voice/source/20260927-111503-0000.m4a]]\n\n> [!note] Запись прервана, сохранено 0:47\n\n%%voice-note:',
    );
  });
});

describe('renderNote: status region', () => {
  it('retry shows local time and attempt', () => {
    const r: VoiceRecord = { ...saved, status: 'retry', attempts: 2, nextAttempt: '2026-09-27T11:17:03.000Z', error: 't' };
    const out = renderNote(initialNote(saved, 0), r);
    expect(out).toContain('> [!info] Не удалось отправить, повтор в 14:17 (попытка 2/5)\n');
    expect(out).not.toContain('Распознаётся');
    expect(readVoiceFields(out)['voice-status']).toBe('retry');
  });

  it('failed shows reason and the command', () => {
    const out = renderNote(initialNote(saved, 0), { ...saved, status: 'failed', attempts: 1, error: '401 Unauthorized' });
    expect(out).toContain('> [!warning] Не распознано: 401 Unauthorized. Команда «Повторить распознавание»\n');
  });

  it('no-speech is not an error', () => {
    const out = renderNote(initialNote(saved, 0), { ...saved, status: 'failed', attempts: 1, error: NO_SPEECH });
    expect(out).toContain('> [!info] В записи не распознано речи\n');
    expect(out).not.toMatch(/ошибк|Не распознано:|Повторить/);
  });

  it('collapses multi-line error into one callout line', () => {
    const out = renderNote(initialNote(saved, 0), { ...saved, status: 'failed', attempts: 1, error: 'a\n\nb' });
    expect(out).toContain('> [!warning] Не распознано: a b. Команда');
  });

  it('without markers updates frontmatter only', () => {
    const content = `${FM}моя заметка\n`;
    const out = renderNote(content, { ...saved, status: 'sent', sentAt: 'x' });
    expect(out).toBe(content.replace('voice-status: "saved"', 'voice-status: "sent"').replace('voice-attempts: 0\n', 'voice-attempts: 0\nvoice-sent-at: "x"\n'));
  });
});

describe('renderNote: transcript', () => {
  it('replaces the region and keeps user text around it', () => {
    const content = `${initialNote(saved, 0)}купить молоко\n`;
    expect(renderNote(content, inserted, '  Привет, мир.\n')).toBe(
      `${FM.replace('"saved"', '"inserted"')}![[voice/source/20260927-111503-0000.m4a]]\n\nПривет, мир.\nкупить молоко\n`,
    );
  });

  it('keeps the interrupted line', () => {
    const r = { ...saved, interrupted: true };
    const out = renderNote(initialNote(r, 47_000), { ...r, status: 'inserted' }, 'текст');
    expect(out).toContain('> [!note] Запись прервана, сохранено 0:47\n\nтекст\n');
  });

  it('appends at the end when markers were removed', () => {
    const content = `${FM}заметка без маркеров\n\n\n`;
    expect(renderNote(content, inserted, 'текст')).toBe(
      `${FM.replace('"saved"', '"inserted"')}заметка без маркеров\n\nтекст\n`,
    );
  });

  it('is a no-op when already inserted', () => {
    const once = renderNote(initialNote(saved, 0), inserted, 'первый');
    expect(renderNote(once, inserted, 'второй')).toBe(once);
  });

  it('inserts special replacement patterns verbatim', () => {
    const text = "цена $& и $' и $1 и %%voice-note%% и ---";
    expect(renderNote(initialNote(saved, 0), inserted, text)).toContain(`\n\n${text}\n`);
  });

  it('keeps user properties in place', () => {
    const content = initialNote(saved, 0).replace('---\nvoice-id', '---\ntags: [idea]\nvoice-id');
    const out = renderNote(content, inserted, 'x');
    expect(out.startsWith('---\ntags: [idea]\nvoice-id: "20260927-111503-0000"\nvoice-status: "inserted"\n')).toBe(true);
  });
});