import { describe, expect, it } from 'vitest';
import { parseRecord, patchFrontmatter, readVoiceFields, recordToFields } from '../src/core/note';
import type { VoiceRecord } from '../src/core/record';

const rec: VoiceRecord = {
  id: '20260927-111503-0000',
  status: 'retry',
  device: 'd1',
  audio: 'voice/source/20260927-111503-0000.m4a',
  mime: 'audio/webm;codecs=opus',
  attempts: 2,
  nextAttempt: '2026-09-27T11:17:03.000Z',
  error: 'timeout',
  interrupted: true,
};

describe('recordToFields + patchFrontmatter', () => {
  it('writes keys in fixed order with quoted strings', () => {
    expect(patchFrontmatter('', recordToFields(rec))).toBe(
      [
        '---',
        'voice-id: "20260927-111503-0000"',
        'voice-status: "retry"',
        'voice-device: "d1"',
        'voice-audio: "[[voice/source/20260927-111503-0000.m4a]]"',
        'voice-mime: "audio/webm;codecs=opus"',
        'voice-attempts: 2',
        'voice-next-attempt: "2026-09-27T11:17:03.000Z"',
        'voice-error: "timeout"',
        'voice-interrupted: true',
        '---',
        '',
      ].join('\n'),
    );
  });

  it('round-trips through readVoiceFields + parseRecord', () => {
    const content = patchFrontmatter('', recordToFields(rec));
    expect(parseRecord(readVoiceFields(content))).toEqual(rec);
  });

  it('round-trips hostile error text as a single line', () => {
    const hostile = { ...rec, error: 'Error: "bad"\nline two: x \\ y — ошибка' };
    const content = patchFrontmatter('', recordToFields(hostile));
    const errorLines = content.split('\n').filter((l) => l.startsWith('voice-error:'));
    expect(errorLines).toHaveLength(1);
    expect(content.split('\n').filter((l) => l.startsWith('line two'))).toHaveLength(0);
    expect(parseRecord(readVoiceFields(content))).toEqual(hostile);
  });
});

describe('patchFrontmatter', () => {
  const user = '---\ntitle: Идея\nvoice-status: "saved"\ntags: [idea]\n---\nbody\n';

  it('replaces in place and keeps user keys and order', () => {
    expect(patchFrontmatter(user, { 'voice-status': '"inserted"' })).toBe(
      '---\ntitle: Идея\nvoice-status: "inserted"\ntags: [idea]\n---\nbody\n',
    );
  });

  it('appends new keys at the end of the block', () => {
    expect(patchFrontmatter(user, { 'voice-sent-at': '"t"' })).toBe(
      '---\ntitle: Идея\nvoice-status: "saved"\ntags: [idea]\nvoice-sent-at: "t"\n---\nbody\n',
    );
  });

  it('removes keys set to undefined, ignores absent ones', () => {
    expect(patchFrontmatter(user, { 'voice-status': undefined, 'voice-error': undefined })).toBe(
      '---\ntitle: Идея\ntags: [idea]\n---\nbody\n',
    );
  });

  it('creates a block when there is none, body untouched', () => {
    expect(patchFrontmatter('body\n', { 'voice-id': '"x"' })).toBe('---\nvoice-id: "x"\n---\nbody\n');
  });

  it('does not match a longer key with the same prefix', () => {
    expect(patchFrontmatter('---\nvoice-idx: 1\n---\n', { 'voice-id': '"x"' })).toBe(
      '---\nvoice-idx: 1\nvoice-id: "x"\n---\n',
    );
  });
});

describe('readVoiceFields', () => {
  it('reads only the frontmatter block', () => {
    const content = '---\nvoice-id: "a"\nother: 1\n---\nvoice-id: "b"\n';
    expect(readVoiceFields(content)).toEqual({ 'voice-id': 'a' });
  });

  it('returns {} without frontmatter', () => {
    expect(readVoiceFields('voice-id: "a"\n')).toEqual({});
  });

  it('accepts plain and single-quoted values', () => {
    expect(readVoiceFields("---\nvoice-id: abc\nvoice-mime: 'audio/mp4'\n---\n")).toEqual({
      'voice-id': 'abc',
      'voice-mime': 'audio/mp4',
    });
  });
});

describe('parseRecord', () => {
  const typed = {
    'voice-id': '20260927-111503-0000',
    'voice-status': 'saved',
    'voice-device': 'd1',
    'voice-audio': '[[voice/source/20260927-111503-0000.m4a]]',
    'voice-mime': 'audio/mp4',
    'voice-attempts': 0,
  };

  it('accepts metadataCache-style typed values', () => {
    expect(parseRecord({ ...typed, 'voice-attempts': 3, 'voice-interrupted': true })).toEqual({
      id: '20260927-111503-0000',
      status: 'saved',
      device: 'd1',
      audio: 'voice/source/20260927-111503-0000.m4a',
      mime: 'audio/mp4',
      attempts: 3,
      interrupted: true,
    });
  });

  it('defaults missing attempts to 0', () => {
    const { 'voice-attempts': _omit, ...rest } = typed;
    expect(parseRecord(rest)?.attempts).toBe(0);
  });

  it.each([
    ['missing id', { ...typed, 'voice-id': undefined }],
    ['bad status', { ...typed, 'voice-status': 'foo' }],
    ['negative attempts', { ...typed, 'voice-attempts': -1 }],
    ['non-numeric attempts', { ...typed, 'voice-attempts': 'abc' }],
    ['object audio', { ...typed, 'voice-audio': { a: 1 } }],
  ])('returns null for %s', (_name, fields) => {
    expect(parseRecord(fields)).toBeNull();
  });
});