import { describe, expect, it } from 'vitest'
import { dismissToast, initialToasts, pushToast, TOAST_LIMIT } from '../src/toast-store'

describe('toast store', () => {
  it('pushes with increasing ids', () => {
    let s = pushToast(initialToasts, 'ok', 'saved')
    s = pushToast(s, 'err', 'failed')
    expect(s.toasts.map((t) => t.id)).toEqual([1, 2])
    expect(s.toasts[1]).toMatchObject({ tone: 'err', message: 'failed' })
  })
  it('keeps only the newest TOAST_LIMIT toasts', () => {
    let s = initialToasts
    for (let i = 0; i < TOAST_LIMIT + 2; i++) s = pushToast(s, 'ok', `m${i}`)
    expect(s.toasts).toHaveLength(TOAST_LIMIT)
    expect(s.toasts[0]!.message).toBe('m2')
  })
  it('dismisses by id and ignores unknown ids', () => {
    let s = pushToast(initialToasts, 'ok', 'a')
    s = pushToast(s, 'ok', 'b')
    s = dismissToast(s, 1)
    expect(s.toasts.map((t) => t.message)).toEqual(['b'])
    expect(dismissToast(s, 99).toasts).toHaveLength(1)
  })
})