TREK/client/tests/unit/remoteEventHandler/dayNotes.test.ts

import { describe, it, expect, beforeEach } from 'vitest';
import { useTripStore } from '../../../src/store/tripStore';
import { resetAllStores } from '../../helpers/store';
import { buildDay, buildDayNote } from '../../helpers/factories';

beforeEach(() => {
  resetAllStores();
});

describe('remoteEventHandler > dayNotes', () => {
  const seedData = () => {
    useTripStore.setState({
      dayNotes: {
        '10': [buildDayNote({ id: 1, day_id: 10, text: 'Original' })],
        '20': [],
      },
    });
  };

  it('FE-WSEVT-DAYNOTE-001: dayNote:created adds note to correct day', () => {
    seedData();
    const newNote = buildDayNote({ id: 99, day_id: 10, text: 'New note' });
    useTripStore.getState().handleRemoteEvent({ type: 'dayNote:created', dayId: 10, note: newNote });
    const { dayNotes } = useTripStore.getState();
    expect(dayNotes['10']).toHaveLength(2);
    expect(dayNotes['10'].find(n => n.id === 99)).toBeDefined();
  });

  it('FE-WSEVT-DAYNOTE-002: dayNote:created is idempotent — no duplicate if same ID', () => {
    seedData();
    const duplicate = buildDayNote({ id: 1, day_id: 10, text: 'Duplicate' });
    useTripStore.getState().handleRemoteEvent({ type: 'dayNote:created', dayId: 10, note: duplicate });
    const { dayNotes } = useTripStore.getState();
    expect(dayNotes['10']).toHaveLength(1);
    expect(dayNotes['10'][0].text).toBe('Original');
  });

  it('FE-WSEVT-DAYNOTE-003: dayNote:updated replaces note in correct day', () => {
    seedData();
    const updated = buildDayNote({ id: 1, day_id: 10, text: 'Updated text' });
    useTripStore.getState().handleRemoteEvent({ type: 'dayNote:updated', dayId: 10, note: updated });
    const { dayNotes } = useTripStore.getState();
    expect(dayNotes['10'][0].text).toBe('Updated text');
  });

  it('FE-WSEVT-DAYNOTE-004: dayNote:deleted removes note from correct day', () => {
    seedData();
    useTripStore.getState().handleRemoteEvent({ type: 'dayNote:deleted', dayId: 10, noteId: 1 });
    const { dayNotes } = useTripStore.getState();
    expect(dayNotes['10']).toHaveLength(0);
  });

  it('FE-WSEVT-DAYNOTE-006: dayNote:updated only replaces the addressed note', () => {
    useTripStore.setState({
      days: [buildDay({ id: 10 })],
      dayNotes: { '10': [buildDayNote({ id: 1, day_id: 10, text: 'keep' }), buildDayNote({ id: 2, day_id: 10, text: 'old' })] },
    });
    useTripStore.getState().handleRemoteEvent({
      type: 'dayNote:updated',
      dayId: 10,
      note: buildDayNote({ id: 2, day_id: 10, text: 'new' }),
    });
    expect(useTripStore.getState().dayNotes['10'].map(n => n.text)).toEqual(['keep', 'new']);
  });

  // A collaborator can add the first note to a day this client never populated.
  describe('days with no dayNotes entry yet', () => {
    const seedBareDay = () => {
      useTripStore.setState({ days: [buildDay({ id: 30 })], dayNotes: {} });
    };

    it('FE-WSEVT-DAYNOTE-007: dayNote:created seeds a fresh day key', () => {
      seedBareDay();
      useTripStore.getState().handleRemoteEvent({
        type: 'dayNote:created',
        dayId: 30,
        note: buildDayNote({ id: 9, day_id: 30 }),
      });
      expect(useTripStore.getState().dayNotes['30'].map(n => n.id)).toEqual([9]);
    });

    it('FE-WSEVT-DAYNOTE-008: dayNote:updated on an unseen day yields an empty list', () => {
      seedBareDay();
      useTripStore.getState().handleRemoteEvent({
        type: 'dayNote:updated',
        dayId: 30,
        note: buildDayNote({ id: 9, day_id: 30 }),
      });
      expect(useTripStore.getState().dayNotes['30']).toEqual([]);
    });

    it('FE-WSEVT-DAYNOTE-009: dayNote:deleted on an unseen day yields an empty list', () => {
      seedBareDay();
      useTripStore.getState().handleRemoteEvent({ type: 'dayNote:deleted', dayId: 30, noteId: 9 });
      expect(useTripStore.getState().dayNotes['30']).toEqual([]);
    });
  });

  it('FE-WSEVT-DAYNOTE-005: operations on day 10 do not affect day 20', () => {
    seedData();
    const newNote = buildDayNote({ id: 50, day_id: 10, text: 'Day 10 note' });
    useTripStore.getState().handleRemoteEvent({ type: 'dayNote:created', dayId: 10, note: newNote });
    const { dayNotes } = useTripStore.getState();
    expect(dayNotes['20']).toHaveLength(0);
  });
});